[18223] | 1 | /* |
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| 2 | * Copyright (C) 2001, 2002 Red Hat Inc. |
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| 3 | * |
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| 4 | * This program is free software; you can redistribute it and/or |
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| 5 | * modify it under the terms of the GNU General Public License as |
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| 6 | * published by the Free Software Foundation; either version 2 of the |
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| 7 | * License, or (at your option) any later version. |
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| 8 | * |
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| 9 | * This program is distributed in the hope that it will be useful, but |
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| 10 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 12 | * General Public License for more details. |
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| 13 | * |
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| 14 | * You should have received a copy of the GNU General Public License |
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| 15 | * along with this program; if not, write to the Free Software |
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| 16 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA |
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| 17 | * 02111-1307, USA. |
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| 18 | */ |
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| 19 | |
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| 20 | |
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[17208] | 21 | #ifdef HAVE_CONFIG_H |
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| 22 | #include "config.h" |
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| 23 | #endif |
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| 24 | |
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| 25 | #include "pkg.h" |
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| 26 | #include "parse.h" |
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| 27 | |
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| 28 | #ifdef HAVE_ALLOCA_H |
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| 29 | # include <alloca.h> |
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| 30 | #else |
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| 31 | # ifdef _AIX |
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| 32 | # pragma alloca |
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| 33 | # endif |
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| 34 | #endif |
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| 35 | |
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| 36 | #include <sys/types.h> |
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| 37 | #include <dirent.h> |
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| 38 | #include <string.h> |
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| 39 | #include <errno.h> |
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| 40 | #include <stdio.h> |
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| 41 | #ifdef HAVE_UNISTD_H |
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| 42 | #include <unistd.h> |
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| 43 | #endif |
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| 44 | #include <stdlib.h> |
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| 45 | #include <ctype.h> |
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| 46 | |
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| 47 | #ifdef G_OS_WIN32 |
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| 48 | /* No hardcoded paths in the binary, thanks */ |
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| 49 | #undef PKGLIBDIR |
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| 50 | /* It's OK to leak this, as PKGLIBDIR is invoked only once */ |
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| 51 | #define PKGLIBDIR g_strconcat (g_win32_get_package_installation_directory (PACKAGE, NULL), "\\lib\\pkgconfig", NULL) |
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| 52 | #endif |
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| 53 | |
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| 54 | static void verify_package (Package *pkg); |
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| 55 | |
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| 56 | static GHashTable *packages = NULL; |
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| 57 | static GHashTable *locations = NULL; |
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| 58 | static GHashTable *path_positions = NULL; |
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| 59 | static GHashTable *globals = NULL; |
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| 60 | static GSList *search_dirs = NULL; |
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| 61 | static int scanned_dir_count = 0; |
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| 62 | |
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| 63 | gboolean disable_uninstalled = FALSE; |
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| 64 | |
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| 65 | void |
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| 66 | add_search_dir (const char *path) |
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| 67 | { |
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| 68 | search_dirs = g_slist_append (search_dirs, g_strdup (path)); |
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| 69 | } |
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| 70 | |
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| 71 | #ifdef G_OS_WIN32 |
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| 72 | /* Guard against .pc file being installed with UPPER CASE name */ |
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| 73 | # define FOLD(x) tolower(x) |
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| 74 | # define FOLDCMP(a, b) g_ascii_strcasecmp (a, b) |
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| 75 | #else |
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| 76 | # define FOLD(x) (x) |
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| 77 | # define FOLDCMP(a, b) strcmp (a, b) |
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| 78 | #endif |
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| 79 | |
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| 80 | #define EXT_LEN 3 |
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| 81 | |
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| 82 | static gboolean |
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| 83 | ends_in_dotpc (const char *str) |
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| 84 | { |
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| 85 | int len = strlen (str); |
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| 86 | |
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| 87 | if (len > EXT_LEN && |
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| 88 | str[len - 3] == '.' && |
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| 89 | FOLD (str[len - 2]) == 'p' && |
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| 90 | FOLD (str[len - 1]) == 'c') |
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| 91 | return TRUE; |
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| 92 | else |
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| 93 | return FALSE; |
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| 94 | } |
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| 95 | |
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| 96 | /* strlen ("uninstalled") */ |
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| 97 | #define UNINSTALLED_LEN 11 |
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| 98 | |
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| 99 | gboolean |
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| 100 | name_ends_in_uninstalled (const char *str) |
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| 101 | { |
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| 102 | int len = strlen (str); |
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| 103 | |
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| 104 | if (len > UNINSTALLED_LEN && |
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| 105 | FOLDCMP ((str + len - UNINSTALLED_LEN), "uninstalled") == 0) |
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| 106 | return TRUE; |
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| 107 | else |
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| 108 | return FALSE; |
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| 109 | } |
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| 110 | |
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| 111 | |
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| 112 | /* Look for .pc files in the given directory and add them into |
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| 113 | * locations, ignoring duplicates |
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| 114 | */ |
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| 115 | static void |
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| 116 | scan_dir (const char *dirname) |
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| 117 | { |
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| 118 | DIR *dir; |
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| 119 | struct dirent *dent; |
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| 120 | int dirnamelen = strlen (dirname); |
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| 121 | /* Use a copy of dirname cause Win32 opendir doesn't like |
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| 122 | * superfluous trailing (back)slashes in the directory name. |
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| 123 | */ |
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[18223] | 124 | char *dirname_copy = g_strdup (dirname); |
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[17208] | 125 | |
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| 126 | if (dirnamelen > 1 && dirname[dirnamelen-1] == G_DIR_SEPARATOR) |
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| 127 | { |
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| 128 | dirnamelen--; |
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[18223] | 129 | dirname_copy[dirnamelen] = '\0'; |
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[17208] | 130 | } |
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| 131 | |
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| 132 | dir = opendir (dirname_copy); |
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| 133 | free (dirname_copy); |
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| 134 | if (!dir) |
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| 135 | { |
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| 136 | debug_spew ("Cannot open directory '%s' in package search path: %s\n", |
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| 137 | dirname, g_strerror (errno)); |
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| 138 | return; |
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| 139 | } |
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| 140 | |
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| 141 | debug_spew ("Scanning directory '%s'\n", dirname); |
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| 142 | |
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| 143 | scanned_dir_count += 1; |
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| 144 | |
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| 145 | while ((dent = readdir (dir))) |
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| 146 | { |
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| 147 | int len = strlen (dent->d_name); |
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| 148 | |
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| 149 | if (ends_in_dotpc (dent->d_name)) |
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| 150 | { |
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| 151 | char *pkgname = malloc (len - 2); |
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| 152 | |
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| 153 | debug_spew ("File '%s' appears to be a .pc file\n", dent->d_name); |
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| 154 | |
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| 155 | strncpy (pkgname, dent->d_name, len - EXT_LEN); |
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| 156 | pkgname[len-EXT_LEN] = '\0'; |
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| 157 | |
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| 158 | if (g_hash_table_lookup (locations, pkgname)) |
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| 159 | { |
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| 160 | debug_spew ("File '%s' ignored, we already know about package '%s'\n", dent->d_name, pkgname); |
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| 161 | g_free (pkgname); |
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| 162 | } |
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| 163 | else |
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| 164 | { |
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| 165 | char *filename = g_malloc (dirnamelen + 1 + len + 1); |
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| 166 | strncpy (filename, dirname, dirnamelen); |
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| 167 | filename[dirnamelen] = G_DIR_SEPARATOR; |
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| 168 | strcpy (filename + dirnamelen + 1, dent->d_name); |
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| 169 | |
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| 170 | g_hash_table_insert (locations, pkgname, filename); |
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| 171 | g_hash_table_insert (path_positions, pkgname, |
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| 172 | GINT_TO_POINTER (scanned_dir_count)); |
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| 173 | |
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| 174 | debug_spew ("Will find package '%s' in file '%s'\n", |
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| 175 | pkgname, filename); |
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| 176 | } |
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| 177 | } |
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| 178 | else |
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| 179 | { |
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| 180 | debug_spew ("Ignoring file '%s' in search directory; not a .pc file\n", |
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| 181 | dent->d_name); |
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| 182 | } |
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| 183 | } |
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| 184 | } |
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| 185 | |
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| 186 | void |
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| 187 | package_init () |
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| 188 | { |
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| 189 | static gboolean initted = FALSE; |
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| 190 | |
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| 191 | if (!initted) |
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| 192 | { |
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| 193 | initted = TRUE; |
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| 194 | |
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| 195 | packages = g_hash_table_new (g_str_hash, g_str_equal); |
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| 196 | locations = g_hash_table_new (g_str_hash, g_str_equal); |
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| 197 | path_positions = g_hash_table_new (g_str_hash, g_str_equal); |
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| 198 | |
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| 199 | g_slist_foreach (search_dirs, (GFunc)scan_dir, NULL); |
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| 200 | scan_dir (PKGLIBDIR); |
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| 201 | } |
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| 202 | } |
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| 203 | |
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| 204 | static gboolean |
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| 205 | file_readable (const char *path) |
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| 206 | { |
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| 207 | FILE *f = fopen (path, "r"); |
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| 208 | |
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| 209 | if (f != NULL) |
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| 210 | { |
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| 211 | fclose (f); |
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| 212 | return TRUE; |
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| 213 | } |
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| 214 | else |
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| 215 | return FALSE; |
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| 216 | } |
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| 217 | |
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| 218 | |
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| 219 | static Package * |
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| 220 | internal_get_package (const char *name, gboolean warn, gboolean check_compat) |
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| 221 | { |
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| 222 | Package *pkg = NULL; |
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| 223 | const char *location; |
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| 224 | |
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| 225 | pkg = g_hash_table_lookup (packages, name); |
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| 226 | |
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| 227 | if (pkg) |
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| 228 | return pkg; |
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| 229 | |
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| 230 | debug_spew ("Looking for package '%s'\n", name); |
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| 231 | |
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| 232 | /* treat "name" as a filename if it ends in .pc and exists */ |
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| 233 | if ( ends_in_dotpc (name) ) |
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| 234 | { |
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| 235 | debug_spew ("Considering '%s' to be a filename rather than a package name\n", name); |
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| 236 | location = name; |
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| 237 | } |
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| 238 | else |
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| 239 | { |
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| 240 | /* See if we should auto-prefer the uninstalled version */ |
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| 241 | if (!disable_uninstalled && |
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| 242 | !name_ends_in_uninstalled (name)) |
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| 243 | { |
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| 244 | char *un; |
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| 245 | |
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| 246 | un = g_strconcat (name, "-uninstalled", NULL); |
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| 247 | |
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| 248 | pkg = internal_get_package (un, FALSE, FALSE); |
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| 249 | |
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| 250 | g_free (un); |
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| 251 | |
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| 252 | if (pkg) |
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| 253 | { |
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| 254 | debug_spew ("Preferring uninstalled version of package '%s'\n", name); |
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| 255 | return pkg; |
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| 256 | } |
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| 257 | } |
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| 258 | |
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| 259 | location = g_hash_table_lookup (locations, name); |
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| 260 | } |
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| 261 | |
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| 262 | if (location == NULL && check_compat) |
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| 263 | { |
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| 264 | pkg = get_compat_package (name); |
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| 265 | |
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| 266 | if (pkg) |
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| 267 | { |
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| 268 | debug_spew ("Returning values for '%s' from a legacy -config script\n", |
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| 269 | name); |
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| 270 | |
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| 271 | return pkg; |
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| 272 | } |
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| 273 | } |
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| 274 | |
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| 275 | if (location == NULL) |
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| 276 | { |
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| 277 | if (warn) |
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| 278 | verbose_error ("Package %s was not found in the pkg-config search path.\n" |
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| 279 | "Perhaps you should add the directory containing `%s.pc'\n" |
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| 280 | "to the PKG_CONFIG_PATH environment variable\n", |
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| 281 | name, name); |
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| 282 | |
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| 283 | return NULL; |
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| 284 | } |
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| 285 | |
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| 286 | debug_spew ("Reading '%s' from file '%s'\n", name, location); |
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| 287 | pkg = parse_package_file (location); |
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| 288 | |
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| 289 | if (pkg == NULL) |
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| 290 | { |
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| 291 | debug_spew ("Failed to parse '%s'\n", location); |
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| 292 | return NULL; |
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| 293 | } |
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| 294 | |
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| 295 | if (strstr (location, "uninstalled.pc")) |
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| 296 | pkg->uninstalled = TRUE; |
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| 297 | |
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| 298 | if (location != name) |
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| 299 | pkg->key = g_strdup (name); |
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| 300 | else |
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| 301 | { |
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| 302 | /* need to strip package name out of the filename */ |
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| 303 | int len = strlen (name); |
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| 304 | const char *end = name + (len - EXT_LEN); |
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| 305 | const char *start = end; |
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| 306 | |
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| 307 | while (start != name && *start != G_DIR_SEPARATOR) |
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| 308 | --start; |
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| 309 | |
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| 310 | g_assert (end >= start); |
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| 311 | |
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| 312 | pkg->key = g_strndup (start, end - start); |
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| 313 | } |
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| 314 | |
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[18223] | 315 | pkg->path_position = |
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| 316 | GPOINTER_TO_INT (g_hash_table_lookup (path_positions, pkg->key)); |
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| 317 | |
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| 318 | debug_spew ("Path position of '%s' is %d\n", |
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| 319 | pkg->name, pkg->path_position); |
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| 320 | |
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[17208] | 321 | verify_package (pkg); |
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| 322 | |
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| 323 | debug_spew ("Adding '%s' to list of known packages, returning as package '%s'\n", |
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| 324 | pkg->key, name); |
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| 325 | |
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| 326 | g_hash_table_insert (packages, pkg->key, pkg); |
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| 327 | |
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| 328 | return pkg; |
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| 329 | } |
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| 330 | |
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| 331 | Package * |
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| 332 | get_package (const char *name) |
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| 333 | { |
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| 334 | return internal_get_package (name, TRUE, TRUE); |
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| 335 | } |
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| 336 | |
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| 337 | static GSList* |
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| 338 | string_list_strip_duplicates (GSList *list) |
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| 339 | { |
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| 340 | GHashTable *table; |
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| 341 | GSList *tmp; |
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| 342 | GSList *nodups = NULL; |
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| 343 | |
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| 344 | table = g_hash_table_new (g_str_hash, g_str_equal); |
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| 345 | |
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| 346 | tmp = list; |
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| 347 | while (tmp != NULL) |
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| 348 | { |
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| 349 | if (g_hash_table_lookup (table, tmp->data) == NULL) |
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| 350 | { |
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| 351 | nodups = g_slist_prepend (nodups, tmp->data); |
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| 352 | g_hash_table_insert (table, tmp->data, tmp->data); |
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| 353 | } |
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[18223] | 354 | else |
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| 355 | { |
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| 356 | debug_spew (" removing duplicate \"%s\"\n", tmp->data); |
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| 357 | } |
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[17208] | 358 | |
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| 359 | tmp = g_slist_next (tmp); |
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| 360 | } |
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| 361 | |
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| 362 | nodups = g_slist_reverse (nodups); |
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| 363 | |
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| 364 | g_hash_table_destroy (table); |
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| 365 | |
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| 366 | return nodups; |
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| 367 | } |
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| 368 | |
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| 369 | static GSList* |
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| 370 | string_list_strip_duplicates_from_back (GSList *list) |
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| 371 | { |
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| 372 | GHashTable *table; |
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| 373 | GSList *tmp; |
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| 374 | GSList *nodups = NULL; |
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| 375 | GSList *reversed; |
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| 376 | |
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| 377 | table = g_hash_table_new (g_str_hash, g_str_equal); |
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| 378 | |
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| 379 | reversed = g_slist_reverse (g_slist_copy (list)); |
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| 380 | |
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| 381 | tmp = reversed; |
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| 382 | while (tmp != NULL) |
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| 383 | { |
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| 384 | if (g_hash_table_lookup (table, tmp->data) == NULL) |
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| 385 | { |
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| 386 | /* This unreverses the reversed list */ |
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| 387 | nodups = g_slist_prepend (nodups, tmp->data); |
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| 388 | g_hash_table_insert (table, tmp->data, tmp->data); |
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| 389 | } |
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[18223] | 390 | else |
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| 391 | { |
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| 392 | debug_spew (" removing duplicate (from back) \"%s\"\n", tmp->data); |
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| 393 | } |
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| 394 | |
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[17208] | 395 | tmp = g_slist_next (tmp); |
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| 396 | } |
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| 397 | |
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| 398 | g_slist_free (reversed); |
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| 399 | |
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| 400 | g_hash_table_destroy (table); |
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| 401 | |
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| 402 | return nodups; |
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| 403 | } |
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| 404 | |
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| 405 | static char * |
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| 406 | string_list_to_string (GSList *list) |
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| 407 | { |
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| 408 | GSList *tmp; |
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| 409 | GString *str = g_string_new (""); |
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| 410 | char *retval; |
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| 411 | |
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| 412 | tmp = list; |
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| 413 | while (tmp != NULL) |
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| 414 | { |
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| 415 | g_string_append (str, tmp->data); |
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| 416 | g_string_append_c (str, ' '); |
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| 417 | |
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| 418 | tmp = g_slist_next (tmp); |
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| 419 | } |
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| 420 | |
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| 421 | retval = str->str; |
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| 422 | g_string_free (str, FALSE); |
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| 423 | |
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| 424 | return retval; |
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| 425 | } |
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| 426 | |
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| 427 | typedef GSList *(* GetListFunc) (Package *pkg); |
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| 428 | |
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| 429 | static GSList * |
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| 430 | get_l_libs (Package *pkg) |
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| 431 | { |
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| 432 | return pkg->l_libs; |
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| 433 | } |
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| 434 | |
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| 435 | static GSList * |
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| 436 | get_L_libs (Package *pkg) |
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| 437 | { |
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| 438 | return pkg->L_libs; |
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| 439 | } |
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| 440 | |
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[18223] | 441 | static GSList* |
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| 442 | get_other_libs (Package *pkg) |
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| 443 | { |
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| 444 | return pkg->other_libs; |
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| 445 | } |
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| 446 | |
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[17208] | 447 | static GSList * |
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| 448 | get_I_cflags (Package *pkg) |
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| 449 | { |
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| 450 | return pkg->I_cflags; |
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| 451 | } |
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| 452 | |
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| 453 | static GSList * |
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[18223] | 454 | get_other_cflags (Package *pkg) |
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| 455 | { |
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| 456 | return pkg->other_cflags; |
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| 457 | } |
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| 458 | |
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| 459 | static GSList * |
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[17208] | 460 | get_conflicts (Package *pkg) |
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| 461 | { |
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| 462 | return pkg->conflicts; |
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| 463 | } |
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| 464 | |
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| 465 | static GSList * |
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| 466 | get_requires (Package *pkg) |
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| 467 | { |
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| 468 | return pkg->requires; |
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| 469 | } |
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| 470 | |
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| 471 | static int |
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| 472 | pathposcmp (gconstpointer a, gconstpointer b) |
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| 473 | { |
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| 474 | const Package *pa = a; |
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| 475 | const Package *pb = b; |
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[18223] | 476 | |
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[17208] | 477 | if (pa->path_position < pb->path_position) |
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| 478 | return -1; |
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| 479 | else if (pa->path_position > pb->path_position) |
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| 480 | return 1; |
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| 481 | else |
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| 482 | return 0; |
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| 483 | } |
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| 484 | |
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[18223] | 485 | static void |
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| 486 | spew_package_list (const char *name, |
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| 487 | GSList *list) |
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| 488 | { |
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| 489 | GSList *tmp; |
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| 490 | |
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| 491 | debug_spew (" %s: ", name); |
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| 492 | |
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| 493 | tmp = list; |
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| 494 | while (tmp != NULL) |
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| 495 | { |
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| 496 | Package *pkg = tmp->data; |
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| 497 | debug_spew (" %s ", pkg->name); |
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| 498 | tmp = tmp->next; |
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| 499 | } |
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| 500 | debug_spew ("\n"); |
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| 501 | } |
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| 502 | |
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| 503 | static void |
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| 504 | spew_string_list (const char *name, |
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| 505 | GSList *list) |
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| 506 | { |
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| 507 | GSList *tmp; |
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| 508 | |
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| 509 | debug_spew (" %s: ", name); |
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| 510 | |
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| 511 | tmp = list; |
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| 512 | while (tmp != NULL) |
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| 513 | { |
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| 514 | debug_spew (" %s ", tmp->data); |
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| 515 | tmp = tmp->next; |
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| 516 | } |
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| 517 | debug_spew ("\n"); |
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| 518 | } |
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| 519 | |
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[17208] | 520 | static GSList* |
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| 521 | packages_sort_by_path_position (GSList *list) |
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| 522 | { |
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| 523 | return g_slist_sort (list, pathposcmp); |
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| 524 | } |
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| 525 | |
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| 526 | static void |
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| 527 | fill_one_level (Package *pkg, GetListFunc func, GSList **listp) |
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| 528 | { |
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| 529 | GSList *copy; |
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| 530 | |
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| 531 | copy = g_slist_copy ((*func)(pkg)); |
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| 532 | |
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| 533 | *listp = g_slist_concat (*listp, copy); |
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| 534 | } |
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| 535 | |
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| 536 | static void |
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| 537 | recursive_fill_list (Package *pkg, GetListFunc func, GSList **listp) |
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| 538 | { |
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| 539 | GSList *tmp; |
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| 540 | |
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| 541 | fill_one_level (pkg, func, listp); |
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| 542 | |
---|
| 543 | tmp = pkg->requires; |
---|
| 544 | |
---|
| 545 | while (tmp != NULL) |
---|
| 546 | { |
---|
| 547 | recursive_fill_list (tmp->data, func, listp); |
---|
| 548 | |
---|
| 549 | tmp = g_slist_next (tmp); |
---|
| 550 | } |
---|
| 551 | } |
---|
| 552 | |
---|
| 553 | static void |
---|
[18223] | 554 | fill_list_single_package (Package *pkg, GetListFunc func, |
---|
| 555 | GSList **listp, gboolean in_path_order) |
---|
[17208] | 556 | { |
---|
| 557 | /* First we get the list in natural/recursive order, then |
---|
| 558 | * stable sort by path position |
---|
| 559 | */ |
---|
| 560 | GSList *packages; |
---|
| 561 | GSList *tmp; |
---|
[18223] | 562 | |
---|
| 563 | /* Get list of packages */ |
---|
| 564 | packages = NULL; |
---|
[17208] | 565 | packages = g_slist_append (packages, pkg); |
---|
| 566 | recursive_fill_list (pkg, get_requires, &packages); |
---|
[18223] | 567 | |
---|
| 568 | if (in_path_order) |
---|
| 569 | { |
---|
| 570 | spew_package_list ("original", packages); |
---|
| 571 | |
---|
| 572 | packages = packages_sort_by_path_position (packages); |
---|
| 573 | |
---|
| 574 | spew_package_list ("sorted", packages); |
---|
| 575 | } |
---|
| 576 | |
---|
| 577 | /* Convert package list to string list */ |
---|
[17208] | 578 | tmp = packages; |
---|
| 579 | while (tmp != NULL) |
---|
| 580 | { |
---|
| 581 | fill_one_level (tmp->data, func, listp); |
---|
| 582 | |
---|
| 583 | tmp = tmp->next; |
---|
| 584 | } |
---|
| 585 | |
---|
| 586 | g_slist_free (packages); |
---|
| 587 | } |
---|
| 588 | |
---|
| 589 | static void |
---|
[18223] | 590 | fill_list (GSList *packages, GetListFunc func, |
---|
| 591 | GSList **listp, gboolean in_path_order) |
---|
[17208] | 592 | { |
---|
| 593 | GSList *tmp; |
---|
| 594 | GSList *expanded; |
---|
| 595 | |
---|
| 596 | expanded = NULL; |
---|
| 597 | tmp = packages; |
---|
| 598 | while (tmp != NULL) |
---|
| 599 | { |
---|
| 600 | expanded = g_slist_append (expanded, tmp->data); |
---|
| 601 | recursive_fill_list (tmp->data, get_requires, &expanded); |
---|
| 602 | |
---|
| 603 | tmp = tmp->next; |
---|
| 604 | } |
---|
| 605 | |
---|
[18223] | 606 | if (in_path_order) |
---|
| 607 | { |
---|
| 608 | spew_package_list ("original", expanded); |
---|
| 609 | |
---|
| 610 | expanded = packages_sort_by_path_position (expanded); |
---|
| 611 | |
---|
| 612 | spew_package_list ("sorted", expanded); |
---|
| 613 | } |
---|
| 614 | |
---|
[17208] | 615 | tmp = expanded; |
---|
| 616 | while (tmp != NULL) |
---|
| 617 | { |
---|
| 618 | fill_one_level (tmp->data, func, listp); |
---|
| 619 | |
---|
| 620 | tmp = tmp->next; |
---|
| 621 | } |
---|
| 622 | |
---|
| 623 | g_slist_free (expanded); |
---|
| 624 | } |
---|
| 625 | |
---|
| 626 | static gint |
---|
| 627 | compare_req_version_names (gconstpointer a, gconstpointer b) |
---|
| 628 | { |
---|
| 629 | const RequiredVersion *ver_a = a; |
---|
| 630 | const RequiredVersion *ver_b = b; |
---|
| 631 | |
---|
| 632 | return strcmp (ver_a->name, ver_b->name); |
---|
| 633 | } |
---|
| 634 | |
---|
| 635 | static gint |
---|
| 636 | compare_package_keys (gconstpointer a, gconstpointer b) |
---|
| 637 | { |
---|
| 638 | const Package *pkg_a = a; |
---|
| 639 | const Package *pkg_b = b; |
---|
| 640 | |
---|
| 641 | return strcmp (pkg_a->key, pkg_b->key); |
---|
| 642 | } |
---|
| 643 | |
---|
[18223] | 644 | static GSList * |
---|
| 645 | add_env_variable_to_list (GSList *list, const gchar *env) |
---|
| 646 | { |
---|
| 647 | gchar **values; |
---|
| 648 | gint i; |
---|
| 649 | |
---|
| 650 | /* FIXME: the separator should be a ';' on Windows |
---|
| 651 | */ |
---|
| 652 | values = g_strsplit (env, ":", 0); |
---|
| 653 | for (i = 0; values[i] != NULL; i++) |
---|
| 654 | { |
---|
| 655 | list = g_slist_append (list, g_strdup (values[i])); |
---|
| 656 | } |
---|
| 657 | g_strfreev (values); |
---|
| 658 | |
---|
| 659 | return list; |
---|
| 660 | } |
---|
| 661 | |
---|
[17208] | 662 | static void |
---|
| 663 | verify_package (Package *pkg) |
---|
| 664 | { |
---|
| 665 | GSList *requires = NULL; |
---|
| 666 | GSList *conflicts = NULL; |
---|
[18223] | 667 | GSList *system_directories = NULL; |
---|
[17208] | 668 | GSList *iter; |
---|
| 669 | GSList *requires_iter; |
---|
[18223] | 670 | GSList *conflicts_iter; |
---|
| 671 | GSList *system_dir_iter = NULL; |
---|
[17208] | 672 | int count; |
---|
[18223] | 673 | gchar *c_include_path; |
---|
| 674 | |
---|
[17208] | 675 | /* Be sure we have the required fields */ |
---|
| 676 | |
---|
| 677 | if (pkg->key == NULL) |
---|
| 678 | { |
---|
| 679 | fprintf (stderr, |
---|
| 680 | "Internal pkg-config error, package with no key, please file a bug report\n"); |
---|
| 681 | exit (1); |
---|
| 682 | } |
---|
| 683 | |
---|
| 684 | if (pkg->name == NULL) |
---|
| 685 | { |
---|
| 686 | verbose_error ("Package '%s' has no Name: field\n", |
---|
| 687 | pkg->key); |
---|
| 688 | exit (1); |
---|
| 689 | } |
---|
| 690 | |
---|
| 691 | if (pkg->version == NULL) |
---|
| 692 | { |
---|
| 693 | verbose_error ("Package '%s' has no Version: field\n", |
---|
| 694 | pkg->name); |
---|
| 695 | exit (1); |
---|
| 696 | } |
---|
| 697 | |
---|
| 698 | if (pkg->description == NULL) |
---|
| 699 | { |
---|
| 700 | verbose_error ("Package '%s' has no Description: field\n", |
---|
| 701 | pkg->description); |
---|
| 702 | exit (1); |
---|
| 703 | } |
---|
| 704 | |
---|
| 705 | /* Make sure we have the right version for all requirements */ |
---|
| 706 | |
---|
| 707 | iter = pkg->requires; |
---|
| 708 | |
---|
| 709 | while (iter != NULL) |
---|
| 710 | { |
---|
| 711 | Package *req = iter->data; |
---|
| 712 | RequiredVersion *ver = NULL; |
---|
| 713 | |
---|
| 714 | if (pkg->required_versions) |
---|
| 715 | ver = g_hash_table_lookup (pkg->required_versions, |
---|
| 716 | req->key); |
---|
| 717 | |
---|
| 718 | if (ver) |
---|
| 719 | { |
---|
| 720 | if (!version_test (ver->comparison, req->version, ver->version)) |
---|
| 721 | { |
---|
| 722 | verbose_error ("Package '%s' requires '%s %s %s' but version of %s is %s\n", |
---|
| 723 | pkg->name, req->key, |
---|
| 724 | comparison_to_str (ver->comparison), |
---|
| 725 | ver->version, |
---|
| 726 | req->name, |
---|
| 727 | req->version); |
---|
| 728 | |
---|
| 729 | exit (1); |
---|
| 730 | } |
---|
| 731 | } |
---|
| 732 | |
---|
| 733 | iter = g_slist_next (iter); |
---|
| 734 | } |
---|
| 735 | |
---|
| 736 | /* Make sure we didn't drag in any conflicts via Requires |
---|
| 737 | * (inefficient algorithm, who cares) |
---|
| 738 | */ |
---|
| 739 | |
---|
| 740 | recursive_fill_list (pkg, get_requires, &requires); |
---|
| 741 | recursive_fill_list (pkg, get_conflicts, &conflicts); |
---|
| 742 | |
---|
| 743 | requires_iter = requires; |
---|
| 744 | while (requires_iter != NULL) |
---|
| 745 | { |
---|
| 746 | Package *req = requires_iter->data; |
---|
| 747 | |
---|
| 748 | conflicts_iter = conflicts; |
---|
| 749 | |
---|
| 750 | while (conflicts_iter != NULL) |
---|
| 751 | { |
---|
| 752 | RequiredVersion *ver = conflicts_iter->data; |
---|
| 753 | |
---|
| 754 | if (version_test (ver->comparison, |
---|
| 755 | req->version, |
---|
| 756 | ver->version)) |
---|
| 757 | { |
---|
| 758 | verbose_error ("Version %s of %s creates a conflict.\n" |
---|
| 759 | "(%s %s %s conflicts with %s %s)\n", |
---|
| 760 | req->version, req->name, |
---|
| 761 | ver->name, |
---|
| 762 | comparison_to_str (ver->comparison), |
---|
| 763 | ver->version, |
---|
| 764 | ver->owner->name, |
---|
| 765 | ver->owner->version); |
---|
| 766 | |
---|
| 767 | exit (1); |
---|
| 768 | } |
---|
| 769 | |
---|
| 770 | conflicts_iter = g_slist_next (conflicts_iter); |
---|
| 771 | } |
---|
| 772 | |
---|
| 773 | requires_iter = g_slist_next (requires_iter); |
---|
| 774 | } |
---|
| 775 | |
---|
| 776 | g_slist_free (requires); |
---|
| 777 | g_slist_free (conflicts); |
---|
| 778 | |
---|
[18223] | 779 | /* We make a list of system directories that gcc expects so we can remove |
---|
| 780 | * them. |
---|
| 781 | */ |
---|
| 782 | system_directories = g_slist_append (NULL, g_strdup ("/usr/include")); |
---|
| 783 | |
---|
| 784 | c_include_path = g_getenv ("C_INCLUDE_PATH"); |
---|
| 785 | if (c_include_path != NULL) |
---|
| 786 | { |
---|
| 787 | system_directories = add_env_variable_to_list (system_directories, c_include_path); |
---|
| 788 | } |
---|
| 789 | |
---|
| 790 | c_include_path = g_getenv ("CPLUS_INCLUDE_PATH"); |
---|
| 791 | if (c_include_path != NULL) |
---|
| 792 | { |
---|
| 793 | system_directories = add_env_variable_to_list (system_directories, c_include_path); |
---|
| 794 | } |
---|
| 795 | |
---|
[17208] | 796 | count = 0; |
---|
| 797 | iter = pkg->I_cflags; |
---|
| 798 | while (iter != NULL) |
---|
| 799 | { |
---|
[18223] | 800 | gint offset = 0; |
---|
[17208] | 801 | /* we put things in canonical -I/usr/include (vs. -I /usr/include) format, |
---|
| 802 | * but if someone changes it later we may as well be robust |
---|
| 803 | */ |
---|
[18223] | 804 | if (((strncmp (iter->data, "-I", 2) == 0) && (offset = 2))|| |
---|
| 805 | ((strncmp (iter->data, "-I ", 3) == 0) && (offset = 3))) |
---|
[17208] | 806 | { |
---|
[18223] | 807 | if (offset == 0) |
---|
| 808 | { |
---|
| 809 | iter = iter->next; |
---|
| 810 | continue; |
---|
| 811 | } |
---|
| 812 | |
---|
| 813 | system_dir_iter = system_directories; |
---|
| 814 | while (system_dir_iter != NULL) |
---|
| 815 | { |
---|
| 816 | if (strcmp (system_dir_iter->data, iter->data + offset) == 0) |
---|
| 817 | { |
---|
| 818 | debug_spew ("Package %s has %s in Cflags\n", |
---|
| 819 | pkg->name, (gchar *)iter->data); |
---|
| 820 | if (g_getenv ("PKG_CONFIG_ALLOW_SYSTEM_CFLAGS") == NULL) |
---|
| 821 | { |
---|
| 822 | debug_spew ("Removing %s from cflags for %s\n", iter->data, pkg->key); |
---|
| 823 | ++count; |
---|
| 824 | iter->data = NULL; |
---|
| 825 | |
---|
| 826 | break; |
---|
| 827 | } |
---|
| 828 | } |
---|
| 829 | system_dir_iter = system_dir_iter->next; |
---|
| 830 | } |
---|
[17208] | 831 | } |
---|
| 832 | |
---|
| 833 | iter = iter->next; |
---|
| 834 | } |
---|
| 835 | |
---|
| 836 | while (count) |
---|
| 837 | { |
---|
| 838 | pkg->I_cflags = g_slist_remove (pkg->I_cflags, NULL); |
---|
| 839 | --count; |
---|
| 840 | } |
---|
| 841 | |
---|
[18223] | 842 | g_slist_foreach (system_directories, (GFunc) g_free, NULL); |
---|
| 843 | g_slist_free (system_directories); |
---|
| 844 | |
---|
[17208] | 845 | count = 0; |
---|
| 846 | iter = pkg->L_libs; |
---|
| 847 | while (iter != NULL) |
---|
| 848 | { |
---|
| 849 | if (strcmp (iter->data, "-L/usr/lib") == 0 || |
---|
| 850 | strcmp (iter->data, "-L /usr/lib") == 0) |
---|
| 851 | { |
---|
| 852 | debug_spew ("Package %s has -L/usr/lib in Libs\n", |
---|
| 853 | pkg->name); |
---|
| 854 | if (g_getenv ("PKG_CONFIG_ALLOW_SYSTEM_LIBS") == NULL) |
---|
| 855 | { |
---|
| 856 | iter->data = NULL; |
---|
| 857 | ++count; |
---|
[18223] | 858 | debug_spew ("Removing -L/usr/lib from libs for %s\n", pkg->key); |
---|
[17208] | 859 | } |
---|
| 860 | } |
---|
| 861 | |
---|
| 862 | iter = iter->next; |
---|
| 863 | } |
---|
| 864 | |
---|
| 865 | while (count) |
---|
| 866 | { |
---|
| 867 | pkg->L_libs = g_slist_remove (pkg->L_libs, NULL); |
---|
| 868 | --count; |
---|
| 869 | } |
---|
| 870 | } |
---|
| 871 | |
---|
| 872 | static char* |
---|
[18223] | 873 | get_merged (Package *pkg, GetListFunc func, gboolean in_path_order) |
---|
[17208] | 874 | { |
---|
| 875 | GSList *list; |
---|
| 876 | GSList *dups_list = NULL; |
---|
| 877 | char *retval; |
---|
| 878 | |
---|
[18223] | 879 | fill_list_single_package (pkg, func, &dups_list, in_path_order); |
---|
[17208] | 880 | |
---|
| 881 | list = string_list_strip_duplicates (dups_list); |
---|
| 882 | |
---|
| 883 | g_slist_free (dups_list); |
---|
| 884 | |
---|
| 885 | retval = string_list_to_string (list); |
---|
| 886 | |
---|
| 887 | g_slist_free (list); |
---|
| 888 | |
---|
| 889 | return retval; |
---|
| 890 | } |
---|
| 891 | |
---|
| 892 | static char* |
---|
[18223] | 893 | get_merged_from_back (Package *pkg, GetListFunc func, gboolean in_path_order) |
---|
[17208] | 894 | { |
---|
| 895 | GSList *list; |
---|
| 896 | GSList *dups_list = NULL; |
---|
| 897 | char *retval; |
---|
| 898 | |
---|
[18223] | 899 | fill_list_single_package (pkg, func, &dups_list, in_path_order); |
---|
[17208] | 900 | |
---|
| 901 | list = string_list_strip_duplicates_from_back (dups_list); |
---|
| 902 | |
---|
| 903 | g_slist_free (dups_list); |
---|
| 904 | |
---|
| 905 | retval = string_list_to_string (list); |
---|
| 906 | |
---|
| 907 | g_slist_free (list); |
---|
| 908 | |
---|
| 909 | return retval; |
---|
| 910 | } |
---|
| 911 | |
---|
| 912 | static char* |
---|
[18223] | 913 | get_multi_merged (GSList *pkgs, GetListFunc func, gboolean in_path_order) |
---|
[17208] | 914 | { |
---|
| 915 | GSList *tmp; |
---|
| 916 | GSList *dups_list = NULL; |
---|
| 917 | GSList *list; |
---|
| 918 | char *retval; |
---|
| 919 | |
---|
[18223] | 920 | fill_list (pkgs, func, &dups_list, in_path_order); |
---|
[17208] | 921 | |
---|
| 922 | list = string_list_strip_duplicates (dups_list); |
---|
| 923 | |
---|
| 924 | g_slist_free (dups_list); |
---|
| 925 | |
---|
| 926 | retval = string_list_to_string (list); |
---|
| 927 | |
---|
| 928 | g_slist_free (list); |
---|
| 929 | |
---|
| 930 | return retval; |
---|
| 931 | } |
---|
| 932 | |
---|
| 933 | static char* |
---|
[18223] | 934 | get_multi_merged_from_back (GSList *pkgs, GetListFunc func, gboolean in_path_order) |
---|
[17208] | 935 | { |
---|
| 936 | GSList *tmp; |
---|
| 937 | GSList *dups_list = NULL; |
---|
| 938 | GSList *list; |
---|
| 939 | char *retval; |
---|
| 940 | |
---|
[18223] | 941 | fill_list (pkgs, func, &dups_list, in_path_order); |
---|
[17208] | 942 | |
---|
| 943 | list = string_list_strip_duplicates_from_back (dups_list); |
---|
| 944 | |
---|
| 945 | g_slist_free (dups_list); |
---|
| 946 | |
---|
| 947 | retval = string_list_to_string (list); |
---|
| 948 | |
---|
| 949 | g_slist_free (list); |
---|
| 950 | |
---|
| 951 | return retval; |
---|
| 952 | } |
---|
| 953 | |
---|
| 954 | char * |
---|
| 955 | package_get_l_libs (Package *pkg) |
---|
| 956 | { |
---|
[18223] | 957 | /* We don't want these in search path order, rather in dependency |
---|
| 958 | * order, so static linking works. |
---|
| 959 | */ |
---|
[17208] | 960 | if (pkg->l_libs_merged == NULL) |
---|
[18223] | 961 | pkg->l_libs_merged = get_merged_from_back (pkg, get_l_libs, FALSE); |
---|
[17208] | 962 | |
---|
| 963 | return pkg->l_libs_merged; |
---|
| 964 | } |
---|
| 965 | |
---|
| 966 | char * |
---|
| 967 | packages_get_l_libs (GSList *pkgs) |
---|
| 968 | { |
---|
[18223] | 969 | return get_multi_merged_from_back (pkgs, get_l_libs, FALSE); |
---|
[17208] | 970 | } |
---|
| 971 | |
---|
| 972 | char * |
---|
| 973 | package_get_L_libs (Package *pkg) |
---|
| 974 | { |
---|
[18223] | 975 | /* We want these in search path order so the -L flags don't override PKG_CONFIG_PATH */ |
---|
[17208] | 976 | if (pkg->L_libs_merged == NULL) |
---|
[18223] | 977 | pkg->L_libs_merged = get_merged (pkg, get_L_libs, TRUE); |
---|
[17208] | 978 | |
---|
| 979 | return pkg->L_libs_merged; |
---|
| 980 | } |
---|
| 981 | |
---|
| 982 | char * |
---|
| 983 | packages_get_L_libs (GSList *pkgs) |
---|
| 984 | { |
---|
[18223] | 985 | return get_multi_merged (pkgs, get_L_libs, TRUE); |
---|
[17208] | 986 | } |
---|
| 987 | |
---|
| 988 | char * |
---|
| 989 | package_get_other_libs (Package *pkg) |
---|
| 990 | { |
---|
[18223] | 991 | if (pkg->other_libs_merged == NULL) |
---|
| 992 | pkg->other_libs_merged = get_merged (pkg, get_other_libs, TRUE); |
---|
| 993 | |
---|
| 994 | return pkg->other_libs_merged; |
---|
[17208] | 995 | } |
---|
| 996 | |
---|
| 997 | char * |
---|
| 998 | packages_get_other_libs (GSList *pkgs) |
---|
| 999 | { |
---|
[18223] | 1000 | return get_multi_merged (pkgs, get_other_libs, TRUE); |
---|
[17208] | 1001 | } |
---|
| 1002 | |
---|
| 1003 | char * |
---|
| 1004 | packages_get_all_libs (GSList *pkgs) |
---|
| 1005 | { |
---|
| 1006 | char *l_libs; |
---|
| 1007 | char *L_libs; |
---|
| 1008 | char *other_libs; |
---|
| 1009 | GString *str; |
---|
| 1010 | char *retval; |
---|
| 1011 | |
---|
| 1012 | str = g_string_new (""); |
---|
| 1013 | |
---|
| 1014 | other_libs = packages_get_other_libs (pkgs); |
---|
| 1015 | L_libs = packages_get_L_libs (pkgs); |
---|
| 1016 | l_libs = packages_get_l_libs (pkgs); |
---|
| 1017 | |
---|
| 1018 | if (other_libs) |
---|
| 1019 | g_string_append (str, other_libs); |
---|
| 1020 | |
---|
| 1021 | if (L_libs) |
---|
| 1022 | g_string_append (str, L_libs); |
---|
| 1023 | |
---|
| 1024 | if (l_libs) |
---|
| 1025 | g_string_append (str, l_libs); |
---|
| 1026 | |
---|
| 1027 | g_free (l_libs); |
---|
| 1028 | g_free (L_libs); |
---|
| 1029 | g_free (other_libs); |
---|
| 1030 | |
---|
| 1031 | retval = str->str; |
---|
| 1032 | |
---|
| 1033 | g_string_free (str, FALSE); |
---|
| 1034 | |
---|
| 1035 | return retval; |
---|
| 1036 | } |
---|
| 1037 | |
---|
| 1038 | char * |
---|
| 1039 | package_get_I_cflags (Package *pkg) |
---|
| 1040 | { |
---|
[18223] | 1041 | /* sort by path position so PKG_CONFIG_PATH affects -I flag order */ |
---|
[17208] | 1042 | if (pkg->I_cflags_merged == NULL) |
---|
[18223] | 1043 | pkg->I_cflags_merged = get_merged (pkg, get_I_cflags, TRUE); |
---|
[17208] | 1044 | |
---|
| 1045 | return pkg->I_cflags_merged; |
---|
| 1046 | } |
---|
| 1047 | |
---|
| 1048 | char * |
---|
| 1049 | packages_get_I_cflags (GSList *pkgs) |
---|
| 1050 | { |
---|
[18223] | 1051 | /* sort by path position so PKG_CONFIG_PATH affects -I flag order */ |
---|
| 1052 | return get_multi_merged (pkgs, get_I_cflags, TRUE); |
---|
[17208] | 1053 | } |
---|
| 1054 | |
---|
| 1055 | char * |
---|
| 1056 | package_get_other_cflags (Package *pkg) |
---|
| 1057 | { |
---|
[18223] | 1058 | if (pkg->other_cflags_merged == NULL) |
---|
| 1059 | pkg->other_cflags_merged = get_merged (pkg, get_other_cflags, TRUE); |
---|
| 1060 | |
---|
| 1061 | return pkg->other_cflags_merged; |
---|
[17208] | 1062 | } |
---|
| 1063 | |
---|
| 1064 | char * |
---|
| 1065 | packages_get_other_cflags (GSList *pkgs) |
---|
| 1066 | { |
---|
[18223] | 1067 | return get_multi_merged (pkgs, get_other_cflags, TRUE); |
---|
[17208] | 1068 | } |
---|
| 1069 | |
---|
| 1070 | char * |
---|
| 1071 | package_get_cflags (Package *pkg) |
---|
| 1072 | { |
---|
| 1073 | |
---|
| 1074 | g_assert_not_reached (); |
---|
| 1075 | return NULL; |
---|
| 1076 | } |
---|
| 1077 | |
---|
| 1078 | char * |
---|
| 1079 | packages_get_all_cflags (GSList *pkgs) |
---|
| 1080 | { |
---|
| 1081 | char *I_cflags; |
---|
| 1082 | char *other_cflags; |
---|
| 1083 | GString *str; |
---|
| 1084 | char *retval; |
---|
| 1085 | |
---|
| 1086 | str = g_string_new (""); |
---|
| 1087 | |
---|
| 1088 | other_cflags = packages_get_other_cflags (pkgs); |
---|
| 1089 | I_cflags = packages_get_I_cflags (pkgs); |
---|
| 1090 | |
---|
| 1091 | if (other_cflags) |
---|
| 1092 | g_string_append (str, other_cflags); |
---|
| 1093 | |
---|
| 1094 | if (I_cflags) |
---|
| 1095 | g_string_append (str, I_cflags); |
---|
| 1096 | |
---|
| 1097 | g_free (I_cflags); |
---|
| 1098 | g_free (other_cflags); |
---|
| 1099 | |
---|
| 1100 | retval = str->str; |
---|
| 1101 | |
---|
| 1102 | g_string_free (str, FALSE); |
---|
| 1103 | |
---|
| 1104 | return retval; |
---|
| 1105 | } |
---|
| 1106 | |
---|
| 1107 | |
---|
| 1108 | void |
---|
| 1109 | define_global_variable (const char *varname, |
---|
| 1110 | const char *varval) |
---|
| 1111 | { |
---|
| 1112 | if (globals == NULL) |
---|
| 1113 | globals = g_hash_table_new (g_str_hash, g_str_equal); |
---|
| 1114 | |
---|
| 1115 | if (g_hash_table_lookup (globals, varname)) |
---|
| 1116 | { |
---|
| 1117 | verbose_error ("Variable '%s' defined twice globally\n", varname); |
---|
| 1118 | exit (1); |
---|
| 1119 | } |
---|
| 1120 | |
---|
| 1121 | g_hash_table_insert (globals, g_strdup (varname), g_strdup (varval)); |
---|
| 1122 | |
---|
| 1123 | debug_spew ("Global variable definition '%s' = '%s'\n", |
---|
| 1124 | varname, varval); |
---|
| 1125 | } |
---|
| 1126 | |
---|
| 1127 | char * |
---|
| 1128 | package_get_var (Package *pkg, |
---|
| 1129 | const char *var) |
---|
| 1130 | { |
---|
| 1131 | char *varval = NULL; |
---|
| 1132 | |
---|
| 1133 | if (globals) |
---|
| 1134 | varval = g_hash_table_lookup (globals, var); |
---|
| 1135 | |
---|
| 1136 | if (varval == NULL && pkg->vars) |
---|
| 1137 | varval = g_strdup (g_hash_table_lookup (pkg->vars, var)); |
---|
| 1138 | |
---|
| 1139 | /* Magic "pcfiledir" variable */ |
---|
| 1140 | if (varval == NULL && pkg->pcfiledir && strcmp (var, "pcfiledir") == 0) |
---|
| 1141 | varval = g_strdup (pkg->pcfiledir); |
---|
| 1142 | |
---|
| 1143 | return varval; |
---|
| 1144 | } |
---|
| 1145 | |
---|
| 1146 | char * |
---|
| 1147 | packages_get_var (GSList *pkgs, |
---|
| 1148 | const char *varname) |
---|
| 1149 | { |
---|
| 1150 | GSList *tmp; |
---|
| 1151 | GString *str; |
---|
| 1152 | char *retval; |
---|
| 1153 | |
---|
| 1154 | str = g_string_new (""); |
---|
| 1155 | |
---|
| 1156 | tmp = pkgs; |
---|
| 1157 | while (tmp != NULL) |
---|
| 1158 | { |
---|
| 1159 | Package *pkg = tmp->data; |
---|
| 1160 | char *var; |
---|
| 1161 | |
---|
| 1162 | var = package_get_var (pkg, varname); |
---|
| 1163 | |
---|
| 1164 | if (var) |
---|
| 1165 | { |
---|
| 1166 | g_string_append (str, var); |
---|
| 1167 | g_string_append_c (str, ' '); |
---|
| 1168 | g_free (var); |
---|
| 1169 | } |
---|
| 1170 | |
---|
| 1171 | tmp = g_slist_next (tmp); |
---|
| 1172 | } |
---|
| 1173 | |
---|
| 1174 | /* chop last space */ |
---|
| 1175 | str->str[str->len - 1] = '\0'; |
---|
| 1176 | retval = str->str; |
---|
| 1177 | g_string_free (str, FALSE); |
---|
| 1178 | |
---|
| 1179 | return retval; |
---|
| 1180 | } |
---|
| 1181 | |
---|
| 1182 | |
---|
| 1183 | |
---|
| 1184 | /* Stolen verbatim from rpm/lib/misc.c |
---|
| 1185 | RPM is Copyright (c) 1998 by Red Hat Software, Inc., |
---|
| 1186 | and may be distributed under the terms of the GPL and LGPL. |
---|
| 1187 | */ |
---|
| 1188 | /* compare alpha and numeric segments of two versions */ |
---|
| 1189 | /* return 1: a is newer than b */ |
---|
| 1190 | /* 0: a and b are the same version */ |
---|
| 1191 | /* -1: b is newer than a */ |
---|
| 1192 | static int rpmvercmp(const char * a, const char * b) { |
---|
| 1193 | char oldch1, oldch2; |
---|
| 1194 | char * str1, * str2; |
---|
| 1195 | char * one, * two; |
---|
| 1196 | int rc; |
---|
| 1197 | int isnum; |
---|
| 1198 | |
---|
| 1199 | /* easy comparison to see if versions are identical */ |
---|
| 1200 | if (!strcmp(a, b)) return 0; |
---|
| 1201 | |
---|
| 1202 | str1 = alloca(strlen(a) + 1); |
---|
| 1203 | str2 = alloca(strlen(b) + 1); |
---|
| 1204 | |
---|
| 1205 | strcpy(str1, a); |
---|
| 1206 | strcpy(str2, b); |
---|
| 1207 | |
---|
| 1208 | one = str1; |
---|
| 1209 | two = str2; |
---|
| 1210 | |
---|
| 1211 | /* loop through each version segment of str1 and str2 and compare them */ |
---|
| 1212 | while (*one && *two) { |
---|
| 1213 | while (*one && !isalnum((guchar)*one)) one++; |
---|
| 1214 | while (*two && !isalnum((guchar)*two)) two++; |
---|
| 1215 | |
---|
| 1216 | str1 = one; |
---|
| 1217 | str2 = two; |
---|
| 1218 | |
---|
| 1219 | /* grab first completely alpha or completely numeric segment */ |
---|
| 1220 | /* leave one and two pointing to the start of the alpha or numeric */ |
---|
| 1221 | /* segment and walk str1 and str2 to end of segment */ |
---|
| 1222 | if (isdigit((guchar)*str1)) { |
---|
| 1223 | while (*str1 && isdigit((guchar)*str1)) str1++; |
---|
| 1224 | while (*str2 && isdigit((guchar)*str2)) str2++; |
---|
| 1225 | isnum = 1; |
---|
| 1226 | } else { |
---|
| 1227 | while (*str1 && isalpha((guchar)*str1)) str1++; |
---|
| 1228 | while (*str2 && isalpha((guchar)*str2)) str2++; |
---|
| 1229 | isnum = 0; |
---|
| 1230 | } |
---|
| 1231 | |
---|
| 1232 | /* save character at the end of the alpha or numeric segment */ |
---|
| 1233 | /* so that they can be restored after the comparison */ |
---|
| 1234 | oldch1 = *str1; |
---|
| 1235 | *str1 = '\0'; |
---|
| 1236 | oldch2 = *str2; |
---|
| 1237 | *str2 = '\0'; |
---|
| 1238 | |
---|
| 1239 | /* take care of the case where the two version segments are */ |
---|
| 1240 | /* different types: one numeric and one alpha */ |
---|
| 1241 | if (one == str1) return -1; /* arbitrary */ |
---|
| 1242 | if (two == str2) return -1; |
---|
| 1243 | |
---|
| 1244 | if (isnum) { |
---|
| 1245 | /* this used to be done by converting the digit segments */ |
---|
| 1246 | /* to ints using atoi() - it's changed because long */ |
---|
| 1247 | /* digit segments can overflow an int - this should fix that. */ |
---|
| 1248 | |
---|
| 1249 | /* throw away any leading zeros - it's a number, right? */ |
---|
| 1250 | while (*one == '0') one++; |
---|
| 1251 | while (*two == '0') two++; |
---|
| 1252 | |
---|
| 1253 | /* whichever number has more digits wins */ |
---|
| 1254 | if (strlen(one) > strlen(two)) return 1; |
---|
| 1255 | if (strlen(two) > strlen(one)) return -1; |
---|
| 1256 | } |
---|
| 1257 | |
---|
| 1258 | /* strcmp will return which one is greater - even if the two */ |
---|
| 1259 | /* segments are alpha or if they are numeric. don't return */ |
---|
| 1260 | /* if they are equal because there might be more segments to */ |
---|
| 1261 | /* compare */ |
---|
| 1262 | rc = strcmp(one, two); |
---|
| 1263 | if (rc) return rc; |
---|
| 1264 | |
---|
| 1265 | /* restore character that was replaced by null above */ |
---|
| 1266 | *str1 = oldch1; |
---|
| 1267 | one = str1; |
---|
| 1268 | *str2 = oldch2; |
---|
| 1269 | two = str2; |
---|
| 1270 | } |
---|
| 1271 | |
---|
| 1272 | /* this catches the case where all numeric and alpha segments have */ |
---|
| 1273 | /* compared identically but the segment sepparating characters were */ |
---|
| 1274 | /* different */ |
---|
| 1275 | if ((!*one) && (!*two)) return 0; |
---|
| 1276 | |
---|
| 1277 | /* whichever version still has characters left over wins */ |
---|
| 1278 | if (!*one) return -1; else return 1; |
---|
| 1279 | } |
---|
| 1280 | |
---|
| 1281 | int |
---|
| 1282 | compare_versions (const char * a, const char *b) |
---|
| 1283 | { |
---|
| 1284 | return rpmvercmp (a, b); |
---|
| 1285 | } |
---|
| 1286 | |
---|
| 1287 | gboolean |
---|
| 1288 | version_test (ComparisonType comparison, |
---|
| 1289 | const char *a, |
---|
| 1290 | const char *b) |
---|
| 1291 | { |
---|
| 1292 | switch (comparison) |
---|
| 1293 | { |
---|
| 1294 | case LESS_THAN: |
---|
| 1295 | return compare_versions (a, b) < 0; |
---|
| 1296 | break; |
---|
| 1297 | |
---|
| 1298 | case GREATER_THAN: |
---|
| 1299 | return compare_versions (a, b) > 0; |
---|
| 1300 | break; |
---|
| 1301 | |
---|
| 1302 | case LESS_THAN_EQUAL: |
---|
| 1303 | return compare_versions (a, b) <= 0; |
---|
| 1304 | break; |
---|
| 1305 | |
---|
| 1306 | case GREATER_THAN_EQUAL: |
---|
| 1307 | return compare_versions (a, b) >= 0; |
---|
| 1308 | break; |
---|
| 1309 | |
---|
| 1310 | case EQUAL: |
---|
| 1311 | return compare_versions (a, b) == 0; |
---|
| 1312 | break; |
---|
| 1313 | |
---|
| 1314 | case NOT_EQUAL: |
---|
| 1315 | return compare_versions (a, b) != 0; |
---|
| 1316 | break; |
---|
| 1317 | |
---|
| 1318 | case ALWAYS_MATCH: |
---|
| 1319 | return TRUE; |
---|
| 1320 | break; |
---|
| 1321 | |
---|
| 1322 | default: |
---|
| 1323 | g_assert_not_reached (); |
---|
| 1324 | break; |
---|
| 1325 | } |
---|
| 1326 | |
---|
| 1327 | return FALSE; |
---|
| 1328 | } |
---|
| 1329 | |
---|
| 1330 | const char * |
---|
| 1331 | comparison_to_str (ComparisonType comparison) |
---|
| 1332 | { |
---|
| 1333 | switch (comparison) |
---|
| 1334 | { |
---|
| 1335 | case LESS_THAN: |
---|
| 1336 | return "<"; |
---|
| 1337 | break; |
---|
| 1338 | |
---|
| 1339 | case GREATER_THAN: |
---|
| 1340 | return ">"; |
---|
| 1341 | break; |
---|
| 1342 | |
---|
| 1343 | case LESS_THAN_EQUAL: |
---|
| 1344 | return "<="; |
---|
| 1345 | break; |
---|
| 1346 | |
---|
| 1347 | case GREATER_THAN_EQUAL: |
---|
| 1348 | return ">="; |
---|
| 1349 | break; |
---|
| 1350 | |
---|
| 1351 | case EQUAL: |
---|
| 1352 | return "="; |
---|
| 1353 | break; |
---|
| 1354 | |
---|
| 1355 | case NOT_EQUAL: |
---|
| 1356 | return "!="; |
---|
| 1357 | break; |
---|
| 1358 | |
---|
| 1359 | case ALWAYS_MATCH: |
---|
| 1360 | return "(any)"; |
---|
| 1361 | break; |
---|
| 1362 | |
---|
| 1363 | default: |
---|
| 1364 | g_assert_not_reached (); |
---|
| 1365 | break; |
---|
| 1366 | } |
---|
| 1367 | |
---|
| 1368 | return "???"; |
---|
| 1369 | } |
---|
| 1370 | |
---|
| 1371 | static void |
---|
| 1372 | max_len_foreach (gpointer key, gpointer value, gpointer data) |
---|
| 1373 | { |
---|
| 1374 | int *mlen = data; |
---|
| 1375 | |
---|
| 1376 | *mlen = MAX (*mlen, strlen (key)); |
---|
| 1377 | } |
---|
| 1378 | |
---|
| 1379 | static void |
---|
| 1380 | packages_foreach (gpointer key, gpointer value, gpointer data) |
---|
| 1381 | { |
---|
| 1382 | Package *pkg = get_package (key); |
---|
| 1383 | |
---|
| 1384 | if (pkg != NULL) |
---|
| 1385 | { |
---|
| 1386 | char *pad; |
---|
| 1387 | |
---|
| 1388 | pad = g_strnfill (GPOINTER_TO_INT (data) - strlen (pkg->key), ' '); |
---|
| 1389 | |
---|
| 1390 | printf ("%s%s%s - %s\n", |
---|
| 1391 | pkg->key, pad, pkg->name, pkg->description); |
---|
| 1392 | |
---|
| 1393 | g_free (pad); |
---|
| 1394 | } |
---|
| 1395 | } |
---|
| 1396 | |
---|
| 1397 | void |
---|
| 1398 | print_package_list (void) |
---|
| 1399 | { |
---|
| 1400 | int mlen = 0; |
---|
| 1401 | |
---|
| 1402 | g_hash_table_foreach (locations, max_len_foreach, &mlen); |
---|
| 1403 | g_hash_table_foreach (locations, packages_foreach, GINT_TO_POINTER (mlen + 1)); |
---|
| 1404 | } |
---|
| 1405 | |
---|