1 | /* vmsish.h |
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2 | * |
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3 | * VMS-specific C header file for perl5. |
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4 | * |
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5 | * Last revised: 16-Sep-1998 by Charles Bailey bailey@newman.upenn.edu |
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6 | * Version: 5.5.2 |
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7 | */ |
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8 | |
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9 | #ifndef __vmsish_h_included |
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10 | #define __vmsish_h_included |
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11 | |
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12 | #include <descrip.h> /* for dirent struct definitions */ |
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13 | #include <libdef.h> /* status codes for various places */ |
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14 | #include <rmsdef.h> /* at which errno and vaxc$errno are */ |
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15 | #include <ssdef.h> /* explicitly set in the perl source code */ |
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16 | #include <stsdef.h> /* bitmasks for exit status testing */ |
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17 | |
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18 | /* Suppress compiler warnings from DECC for VMS-specific extensions: |
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19 | * ADDRCONSTEXT,NEEDCONSTEXT: initialization of data with non-constant values |
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20 | * (e.g. pointer fields of descriptors) |
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21 | */ |
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22 | #ifdef __DECC |
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23 | # pragma message disable (ADDRCONSTEXT,NEEDCONSTEXT) |
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24 | #endif |
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25 | |
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26 | /* DEC's C compilers and gcc use incompatible definitions of _to(upp|low)er() */ |
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27 | #ifdef _toupper |
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28 | # undef _toupper |
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29 | #endif |
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30 | #define _toupper(c) (((c) < 'a' || (c) > 'z') ? (c) : (c) & ~040) |
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31 | #ifdef _tolower |
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32 | # undef _tolower |
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33 | #endif |
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34 | #define _tolower(c) (((c) < 'A' || (c) > 'Z') ? (c) : (c) | 040) |
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35 | /* DECC 1.3 has a funny definition of abs; it's fixed in DECC 4.0, so this |
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36 | * can go away once DECC 1.3 isn't in use any more. */ |
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37 | #if defined(__ALPHA) && defined(__DECC) |
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38 | #undef abs |
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39 | #define abs(__x) __ABS(__x) |
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40 | #undef labs |
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41 | #define labs(__x) __LABS(__x) |
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42 | #endif /* __ALPHA && __DECC */ |
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43 | |
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44 | /* Assorted things to look like Unix */ |
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45 | #ifdef __GNUC__ |
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46 | #ifndef _IOLBF /* gcc's stdio.h doesn't define this */ |
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47 | #define _IOLBF 1 |
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48 | #endif |
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49 | #endif |
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50 | #include <processes.h> /* for vfork() */ |
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51 | #include <unixio.h> |
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52 | #include <unixlib.h> |
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53 | #include <file.h> /* it's not <sys/file.h>, so don't use I_SYS_FILE */ |
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54 | #if defined(__DECC) && defined(__DECC_VER) && __DECC_VER > 20000000 |
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55 | # include <unistd.h> /* DECC has this; VAXC and gcc don't */ |
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56 | #endif |
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57 | |
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58 | /* VAXC doesn't have a unary plus operator, so we need to get there indirectly */ |
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59 | #if defined(VAXC) && !defined(__DECC) |
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60 | # define NO_UNARY_PLUS |
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61 | #endif |
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62 | |
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63 | #ifdef NO_PERL_TYPEDEFS /* a2p; we don't want Perl's special routines */ |
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64 | # define DONT_MASK_RTL_CALLS |
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65 | #endif |
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66 | |
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67 | /* Note that we do, in fact, have this */ |
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68 | #define HAS_GETENV_SV |
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69 | #define HAS_GETENV_LEN |
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70 | |
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71 | #ifndef DONT_MASK_RTL_CALLS |
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72 | # ifdef getenv |
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73 | # undef getenv |
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74 | # endif |
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75 | /* getenv used for regular logical names */ |
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76 | # define getenv(v) my_getenv(v,TRUE) |
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77 | #endif |
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78 | #ifdef getenv_len |
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79 | # undef getenv_len |
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80 | #endif |
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81 | #define getenv_len(v,l) my_getenv_len(v,l,TRUE) |
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82 | |
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83 | /* DECC introduces this routine in the RTL as of VMS 7.0; for now, |
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84 | * we'll use ours, since it gives us the full VMS exit status. */ |
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85 | #define waitpid my_waitpid |
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86 | |
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87 | /* Don't redeclare standard RTL routines in Perl's header files; |
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88 | * VMS history or extensions makes some of the formal protoypes |
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89 | * differ from the common Unix forms. |
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90 | */ |
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91 | #define DONT_DECLARE_STD 1 |
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92 | |
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93 | /* Our own contribution to PerlShr's global symbols . . . */ |
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94 | #define vmstrnenv Perl_vmstrnenv |
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95 | #define my_trnlnm Perl_my_trnlnm |
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96 | #define my_getenv_len Perl_my_getenv_len |
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97 | #define prime_env_iter Perl_prime_env_iter |
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98 | #define vmssetenv Perl_vmssetenv |
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99 | #if !defined(PERL_IMPLICIT_CONTEXT) |
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100 | #define my_setenv Perl_my_setenv |
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101 | #define my_getenv Perl_my_getenv |
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102 | #else |
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103 | #define my_setenv(a,b) Perl_my_setenv(aTHX_ a,b) |
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104 | #define my_getenv(a,b) Perl_my_getenv(aTHX_ a,b) |
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105 | #endif |
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106 | #define my_crypt Perl_my_crypt |
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107 | #define my_waitpid Perl_my_waitpid |
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108 | #define my_gconvert Perl_my_gconvert |
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109 | #define do_rmdir Perl_do_rmdir |
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110 | #define kill_file Perl_kill_file |
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111 | #define my_mkdir Perl_my_mkdir |
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112 | #define my_utime Perl_my_utime |
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113 | #define rmsexpand Perl_rmsexpand |
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114 | #define rmsexpand_ts Perl_rmsexpand_ts |
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115 | #define fileify_dirspec Perl_fileify_dirspec |
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116 | #define fileify_dirspec_ts Perl_fileify_dirspec_ts |
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117 | #define pathify_dirspec Perl_pathify_dirspec |
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118 | #define pathify_dirspec_ts Perl_pathify_dirspec_ts |
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119 | #define tounixspec Perl_tounixspec |
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120 | #define tounixspec_ts Perl_tounixspec_ts |
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121 | #define tovmsspec Perl_tovmsspec |
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122 | #define tovmsspec_ts Perl_tovmsspec_ts |
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123 | #define tounixpath Perl_tounixpath |
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124 | #define tounixpath_ts Perl_tounixpath_ts |
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125 | #define tovmspath Perl_tovmspath |
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126 | #define tovmspath_ts Perl_tovmspath_ts |
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127 | #define vms_image_init Perl_vms_image_init |
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128 | #define opendir Perl_opendir |
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129 | #define readdir Perl_readdir |
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130 | #define telldir Perl_telldir |
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131 | #define seekdir Perl_seekdir |
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132 | #define closedir Perl_closedir |
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133 | #define vmsreaddirversions Perl_vmsreaddirversions |
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134 | #define my_gmtime Perl_my_gmtime |
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135 | #define my_localtime Perl_my_localtime |
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136 | #define my_time Perl_my_time |
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137 | #define my_sigemptyset Perl_my_sigemptyset |
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138 | #define my_sigfillset Perl_my_sigfillset |
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139 | #define my_sigaddset Perl_my_sigaddset |
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140 | #define my_sigdelset Perl_my_sigdelset |
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141 | #define my_sigismember Perl_my_sigismember |
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142 | #define my_sigprocmask Perl_my_sigprocmask |
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143 | #define cando_by_name Perl_cando_by_name |
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144 | #define flex_fstat Perl_flex_fstat |
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145 | #define flex_stat Perl_flex_stat |
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146 | #define trim_unixpath Perl_trim_unixpath |
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147 | #define my_vfork Perl_my_vfork |
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148 | #define vms_do_aexec Perl_vms_do_aexec |
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149 | #define vms_do_exec Perl_vms_do_exec |
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150 | #define do_aspawn Perl_do_aspawn |
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151 | #define do_spawn Perl_do_spawn |
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152 | #define my_fwrite Perl_my_fwrite |
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153 | #define my_flush Perl_my_flush |
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154 | #define my_getpwnam Perl_my_getpwnam |
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155 | #define my_getpwuid Perl_my_getpwuid |
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156 | #define my_getpwent Perl_my_getpwent |
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157 | #define my_endpwent Perl_my_endpwent |
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158 | #define my_getlogin Perl_my_getlogin |
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159 | #define rmscopy Perl_rmscopy |
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160 | #define init_os_extras Perl_init_os_extras |
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161 | |
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162 | /* Delete if at all possible, changing protections if necessary. */ |
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163 | #define unlink kill_file |
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164 | |
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165 | /* |
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166 | * Intercept calls to fork, so we know whether subsequent calls to |
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167 | * exec should be handled in VMSish or Unixish style. |
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168 | */ |
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169 | #define fork my_vfork |
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170 | #ifndef DONT_MASK_RTL_CALLS /* #defined in vms.c so we see real vfork */ |
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171 | # ifdef vfork |
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172 | # undef vfork |
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173 | # endif |
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174 | # define vfork my_vfork |
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175 | #endif |
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176 | |
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177 | /* BIG_TIME: |
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178 | * This symbol is defined if Time_t is an unsigned type on this system. |
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179 | */ |
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180 | #define BIG_TIME |
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181 | |
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182 | /* ACME_MESS: |
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183 | * This symbol, if defined, indicates that error messages should be |
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184 | * should be generated in a format that allows the use of the Acme |
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185 | * GUI/editor's autofind feature. |
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186 | */ |
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187 | #undef ACME_MESS /**/ |
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188 | |
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189 | /* ALTERNATE_SHEBANG: |
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190 | * This symbol, if defined, contains a "magic" string which may be used |
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191 | * as the first line of a Perl program designed to be executed directly |
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192 | * by name, instead of the standard Unix #!. If ALTERNATE_SHEBANG |
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193 | * begins with a character other then #, then Perl will only treat |
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194 | * it as a command line if if finds the string "perl" in the first |
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195 | * word; otherwise it's treated as the first line of code in the script. |
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196 | * (IOW, Perl won't hand off to another interpreter via an alternate |
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197 | * shebang sequence that might be legal Perl code.) |
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198 | */ |
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199 | #define ALTERNATE_SHEBANG "$" |
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200 | |
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201 | /* Lower case entry points for these are missing in some earlier RTLs |
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202 | * so we borrow the defines and declares from errno.h and upcase them. |
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203 | */ |
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204 | #if defined(VMS_WE_ARE_CASE_SENSITIVE) && (__DECC_VER < 50500000) |
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205 | # define errno (*CMA$TIS_ERRNO_GET_ADDR()) |
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206 | # define vaxc$errno (*CMA$TIS_VMSERRNO_GET_ADDR()) |
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207 | int *CMA$TIS_ERRNO_GET_ADDR (void); /* UNIX style error code */ |
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208 | int *CMA$TIS_VMSERRNO_GET_ADDR (void); /* VMS error (errno == EVMSERR) */ |
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209 | #endif |
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210 | |
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211 | /* Macros to set errno using the VAX thread-safe calls, if present */ |
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212 | #if (defined(__DECC) || defined(__DECCXX)) && !defined(__ALPHA) |
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213 | # define set_errno(v) (cma$tis_errno_set_value(v)) |
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214 | void cma$tis_errno_set_value(int __value); /* missing in some errno.h */ |
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215 | # define set_vaxc_errno(v) (vaxc$errno = (v)) |
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216 | #else |
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217 | # define set_errno(v) (errno = (v)) |
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218 | # define set_vaxc_errno(v) (vaxc$errno = (v)) |
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219 | #endif |
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220 | |
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221 | /* Support for 'vmsish' behaviors enabled with C<use vmsish> pragma */ |
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222 | |
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223 | #define COMPLEX_STATUS 1 /* We track both "POSIX" and VMS values */ |
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224 | |
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225 | #define HINT_V_VMSISH 24 |
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226 | #define HINT_M_VMSISH_HUSHED 0x20000000 /* stifle error msgs on exit */ |
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227 | #define HINT_M_VMSISH_STATUS 0x40000000 /* system, $? return VMS status */ |
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228 | #define HINT_M_VMSISH_TIME 0x80000000 /* times are local, not UTC */ |
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229 | #define NATIVE_HINTS (PL_hints >> HINT_V_VMSISH) /* used in op.c */ |
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230 | |
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231 | #define TEST_VMSISH(h) (PL_curcop->op_private & ((h) >> HINT_V_VMSISH)) |
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232 | #define VMSISH_HUSHED TEST_VMSISH(HINT_M_VMSISH_HUSHED) |
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233 | #define VMSISH_STATUS TEST_VMSISH(HINT_M_VMSISH_STATUS) |
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234 | #define VMSISH_TIME TEST_VMSISH(HINT_M_VMSISH_TIME) |
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235 | |
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236 | /* Flags for vmstrnenv() */ |
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237 | #define PERL__TRNENV_SECURE 0x01 |
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238 | |
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239 | /* Handy way to vet calls to VMS system services and RTL routines. */ |
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240 | #define _ckvmssts(call) STMT_START { register unsigned long int __ckvms_sts; \ |
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241 | if (!((__ckvms_sts=(call))&1)) { \ |
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242 | set_errno(EVMSERR); set_vaxc_errno(__ckvms_sts); \ |
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243 | Perl_croak(aTHX_ "Fatal VMS error (status=%d) at %s, line %d", \ |
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244 | __ckvms_sts,__FILE__,__LINE__); } } STMT_END |
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245 | |
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246 | /* Same thing, but don't call back to Perl's croak(); useful for errors |
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247 | * occurring during startup, before Perl's state is initialized */ |
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248 | #define _ckvmssts_noperl(call) STMT_START { register unsigned long int __ckvms_sts; \ |
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249 | if (!((__ckvms_sts=(call))&1)) { \ |
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250 | set_errno(EVMSERR); set_vaxc_errno(__ckvms_sts); \ |
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251 | fprintf(Perl_debug_log,"Fatal VMS error (status=%d) at %s, line %d", \ |
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252 | __ckvms_sts,__FILE__,__LINE__); lib$signal(__ckvms_sts); } } STMT_END |
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253 | |
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254 | #ifdef VMS_DO_SOCKETS |
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255 | #include "sockadapt.h" |
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256 | #endif |
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257 | |
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258 | #define BIT_BUCKET "_NLA0:" |
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259 | #define PERL_SYS_INIT(c,v) vms_image_init((c),(v)); MALLOC_INIT |
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260 | #define PERL_SYS_TERM() OP_REFCNT_TERM; MALLOC_TERM |
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261 | #define dXSUB_SYS |
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262 | #define HAS_KILL |
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263 | #define HAS_WAIT |
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264 | |
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265 | #define PERL_FS_VER_FMT "%d_%d_%d" |
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266 | /* Temporary; we need to add support for this to Configure.Com */ |
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267 | #ifdef PERL_INC_VERSION_LIST |
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268 | # undef PERL_INC_VERSION_LIST |
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269 | #endif |
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270 | |
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271 | /* VMS: |
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272 | * This symbol, if defined, indicates that the program is running under |
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273 | * VMS. It's a symbol automagically defined by all VMS C compilers I've seen. |
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274 | * Just in case, however . . . */ |
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275 | #ifndef VMS |
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276 | #define VMS /**/ |
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277 | #endif |
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278 | |
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279 | /* HAS_IOCTL: |
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280 | * This symbol, if defined, indicates that the ioctl() routine is |
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281 | * available to set I/O characteristics |
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282 | */ |
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283 | #undef HAS_IOCTL /**/ |
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284 | |
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285 | /* HAS_UTIME: |
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286 | * This symbol, if defined, indicates that the routine utime() is |
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287 | * available to update the access and modification times of files. |
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288 | */ |
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289 | #define HAS_UTIME /**/ |
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290 | |
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291 | /* HAS_GROUP |
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292 | * This symbol, if defined, indicates that the getgrnam() and |
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293 | * getgrgid() routines are available to get group entries. |
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294 | * The getgrent() has a separate definition, HAS_GETGRENT. |
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295 | */ |
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296 | #undef HAS_GROUP /**/ |
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297 | |
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298 | /* HAS_PASSWD |
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299 | * This symbol, if defined, indicates that the getpwnam() and |
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300 | * getpwuid() routines are available to get password entries. |
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301 | * The getpwent() has a separate definition, HAS_GETPWENT. |
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302 | */ |
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303 | #define HAS_PASSWD /**/ |
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304 | |
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305 | #define HAS_KILL |
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306 | #define HAS_WAIT |
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307 | |
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308 | /* USEMYBINMODE |
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309 | * This symbol, if defined, indicates that the program should |
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310 | * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure |
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311 | * that a file is in "binary" mode -- that is, that no translation |
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312 | * of bytes occurs on read or write operations. |
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313 | */ |
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314 | #undef USEMYBINMODE |
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315 | |
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316 | /* Stat_t: |
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317 | * This symbol holds the type used to declare buffers for information |
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318 | * returned by stat(). It's usually just struct stat. It may be necessary |
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319 | * to include <sys/stat.h> and <sys/types.h> to get any typedef'ed |
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320 | * information. |
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321 | */ |
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322 | /* VMS: |
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323 | * We need this typedef to point to the new type even if DONT_MASK_RTL_CALLS |
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324 | * is in effect, since Perl's thread.h embeds one of these structs in its |
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325 | * thread data struct, and our struct mystat is a different size from the |
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326 | * regular struct stat (cf. note above about having to pad struct to work |
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327 | * around bug in compiler.) |
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328 | * It's OK to pass one of these to the RTL's stat(), though, since the |
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329 | * fields it fills are the same in each struct. |
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330 | */ |
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331 | #define Stat_t struct mystat |
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332 | |
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333 | /* USE_STAT_RDEV: |
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334 | * This symbol is defined if this system has a stat structure declaring |
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335 | * st_rdev |
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336 | * VMS: Field exists in POSIXish version of struct stat(), but is not used. |
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337 | */ |
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338 | #undef USE_STAT_RDEV /**/ |
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339 | |
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340 | /* |
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341 | * fwrite1() should be a routine with the same calling sequence as fwrite(), |
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342 | * but which outputs all of the bytes requested as a single stream (unlike |
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343 | * fwrite() itself, which on some systems outputs several distinct records |
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344 | * if the number_of_items parameter is >1). |
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345 | */ |
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346 | #define fwrite1 my_fwrite |
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347 | |
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348 | /* By default, flush data all the way to disk, not just to RMS buffers */ |
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349 | #define Fflush(fp) my_flush(fp) |
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350 | |
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351 | /* Use our own rmdir() */ |
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352 | #define rmdir(name) do_rmdir(name) |
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353 | |
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354 | /* Assorted fiddling with sigs . . . */ |
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355 | # include <signal.h> |
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356 | #define ABORT() abort() |
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357 | /* VAXC's signal.h doesn't #define SIG_ERR, but provides BADSIG instead. */ |
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358 | #if !defined(SIG_ERR) && defined(BADSIG) |
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359 | # define SIG_ERR BADSIG |
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360 | #endif |
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361 | |
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362 | |
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363 | /* Used with our my_utime() routine in vms.c */ |
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364 | struct utimbuf { |
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365 | time_t actime; |
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366 | time_t modtime; |
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367 | }; |
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368 | #define utime my_utime |
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369 | |
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370 | /* This is what times() returns, but <times.h> calls it tbuffer_t on VMS |
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371 | * prior to v7.0. We check the DECC manifest to see whether it's already |
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372 | * done this for us, relying on the fact that perl.h #includes <time.h> |
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373 | * before it #includes "vmsish.h". |
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374 | */ |
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375 | |
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376 | #ifndef __TMS |
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377 | struct tms { |
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378 | clock_t tms_utime; /* user time */ |
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379 | clock_t tms_stime; /* system time - always 0 on VMS */ |
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380 | clock_t tms_cutime; /* user time, children */ |
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381 | clock_t tms_cstime; /* system time, children - always 0 on VMS */ |
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382 | }; |
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383 | #else |
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384 | /* The new headers change the times() prototype to tms from tbuffer */ |
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385 | # define tbuffer_t struct tms |
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386 | #endif |
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387 | |
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388 | /* Substitute our own routines for gmtime(), localtime(), and time(), |
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389 | * which allow us to implement the vmsish 'time' pragma, and work |
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390 | * around absence of system-level UTC support on old versions of VMS. |
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391 | */ |
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392 | #define gmtime(t) my_gmtime(t) |
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393 | #define localtime(t) my_localtime(t) |
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394 | #define time(t) my_time(t) |
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395 | |
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396 | /* If we're using an older version of VMS whose Unix signal emulation |
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397 | * isn't very POSIXish, then roll our own. |
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398 | */ |
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399 | #if __VMS_VER < 70000000 || __DECC_VER < 50200000 |
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400 | # define HOMEGROWN_POSIX_SIGNALS |
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401 | #endif |
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402 | #ifdef HOMEGROWN_POSIX_SIGNALS |
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403 | # define sigemptyset(t) my_sigemptyset(t) |
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404 | # define sigfillset(t) my_sigfillset(t) |
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405 | # define sigaddset(t, u) my_sigaddset(t, u) |
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406 | # define sigdelset(t, u) my_sigdelset(t, u) |
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407 | # define sigismember(t, u) my_sigismember(t, u) |
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408 | # define sigprocmask(t, u, v) my_sigprocmask(t, u, v) |
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409 | # ifndef _SIGSET_T |
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410 | typedef int sigset_t; |
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411 | # endif |
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412 | /* The tools for sigprocmask() are there, just not the routine itself */ |
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413 | # ifndef SIG_UNBLOCK |
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414 | # define SIG_UNBLOCK 1 |
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415 | # endif |
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416 | # ifndef SIG_BLOCK |
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417 | # define SIG_BLOCK 2 |
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418 | # endif |
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419 | # ifndef SIG_SETMASK |
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420 | # define SIG_SETMASK 3 |
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421 | # endif |
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422 | # define sigaction sigvec |
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423 | # define sa_flags sv_onstack |
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424 | # define sa_handler sv_handler |
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425 | # define sa_mask sv_mask |
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426 | # define sigsuspend(set) sigpause(*set) |
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427 | # define sigpending(a) (not_here("sigpending"),0) |
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428 | #endif |
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429 | |
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430 | /* VMS doesn't use a real sys_nerr, but we need this when scanning for error |
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431 | * messages in text strings . . . |
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432 | */ |
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433 | |
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434 | #define sys_nerr EVMSERR /* EVMSERR is as high as we can go. */ |
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435 | |
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436 | /* Look up new %ENV values on the fly */ |
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437 | #define DYNAMIC_ENV_FETCH 1 |
---|
438 | #define ENV_HV_NAME "%EnV%VmS%" |
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439 | /* Special getenv function for retrieving %ENV elements. */ |
---|
440 | #define ENVgetenv(v) my_getenv(v,FALSE) |
---|
441 | #define ENVgetenv_len(v,l) my_getenv_len(v,l,FALSE) |
---|
442 | |
---|
443 | |
---|
444 | /* Thin jacket around cuserid() tomatch Unix' calling sequence */ |
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445 | #define getlogin my_getlogin |
---|
446 | |
---|
447 | /* Ditto for sys$hash_passwrod() . . . */ |
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448 | #define crypt my_crypt |
---|
449 | |
---|
450 | /* Tweak arg to mkdir first, so we can tolerate trailing /. */ |
---|
451 | #define Mkdir(dir,mode) my_mkdir((dir),(mode)) |
---|
452 | |
---|
453 | /* Use our own stat() clones, which handle Unix-style directory names */ |
---|
454 | #define Stat(name,bufptr) flex_stat(name,bufptr) |
---|
455 | #define Fstat(fd,bufptr) flex_fstat(fd,bufptr) |
---|
456 | |
---|
457 | /* Setup for the dirent routines: |
---|
458 | * opendir(), closedir(), readdir(), seekdir(), telldir(), and |
---|
459 | * vmsreaddirversions(), and preprocessor stuff on which these depend: |
---|
460 | * Written by Rich $alz, <rsalz@bbn.com> in August, 1990. |
---|
461 | */ |
---|
462 | /* Data structure returned by READDIR(). */ |
---|
463 | struct dirent { |
---|
464 | char d_name[256]; /* File name */ |
---|
465 | int d_namlen; /* Length of d_name */ |
---|
466 | int vms_verscount; /* Number of versions */ |
---|
467 | int vms_versions[20]; /* Version numbers */ |
---|
468 | }; |
---|
469 | |
---|
470 | /* Handle returned by opendir(), used by the other routines. You |
---|
471 | * are not supposed to care what's inside this structure. */ |
---|
472 | typedef struct _dirdesc { |
---|
473 | long context; |
---|
474 | int vms_wantversions; |
---|
475 | unsigned long int count; |
---|
476 | char *pattern; |
---|
477 | struct dirent entry; |
---|
478 | struct dsc$descriptor_s pat; |
---|
479 | } DIR; |
---|
480 | |
---|
481 | #define rewinddir(dirp) seekdir((dirp), 0) |
---|
482 | |
---|
483 | /* used for our emulation of getpw* */ |
---|
484 | struct passwd { |
---|
485 | char *pw_name; /* Username */ |
---|
486 | char *pw_passwd; |
---|
487 | Uid_t pw_uid; /* UIC member number */ |
---|
488 | Gid_t pw_gid; /* UIC group number */ |
---|
489 | char *pw_comment; /* Default device/directory (Unix-style) */ |
---|
490 | char *pw_gecos; /* Owner */ |
---|
491 | char *pw_dir; /* Default device/directory (VMS-style) */ |
---|
492 | char *pw_shell; /* Default CLI name (eg. DCL) */ |
---|
493 | }; |
---|
494 | #define pw_unixdir pw_comment /* Default device/directory (Unix-style) */ |
---|
495 | #define getpwnam my_getpwnam |
---|
496 | #define getpwuid my_getpwuid |
---|
497 | #define getpwent my_getpwent |
---|
498 | #define endpwent my_endpwent |
---|
499 | #define setpwent my_endpwent |
---|
500 | |
---|
501 | /* Our own stat_t substitute, since we play with st_dev and st_ino - |
---|
502 | * we want atomic types so Unix-bound code which compares these fields |
---|
503 | * for two files will work most of the time under VMS. |
---|
504 | * N.B. 1. The st_ino hack assumes that sizeof(unsigned short[3]) == |
---|
505 | * sizeof(unsigned) + sizeof(unsigned short). We can't use a union type |
---|
506 | * to map the unsigned int we want and the unsigned short[3] the CRTL |
---|
507 | * returns into the same member, since gcc has different ideas than DECC |
---|
508 | * and VAXC about sizing union types. |
---|
509 | * N.B 2. The routine cando() in vms.c assumes that &stat.st_ino is the |
---|
510 | * address of a FID. |
---|
511 | */ |
---|
512 | /* First, grab the system types, so we don't clobber them later */ |
---|
513 | #include <stat.h> |
---|
514 | /* Since we've got to match the size of the CRTL's stat_t, we need |
---|
515 | * to mimic DECC's alignment settings. |
---|
516 | */ |
---|
517 | #if defined(__DECC) || defined(__DECCXX) |
---|
518 | # pragma __member_alignment __save |
---|
519 | # pragma __nomember_alignment |
---|
520 | #endif |
---|
521 | #if defined(__DECC) |
---|
522 | # pragma __message __save |
---|
523 | # pragma __message disable (__MISALGNDSTRCT) |
---|
524 | # pragma __message disable (__MISALGNDMEM) |
---|
525 | #endif |
---|
526 | struct mystat |
---|
527 | { |
---|
528 | char *st_devnam; /* pointer to device name */ |
---|
529 | unsigned st_ino; /* hack - CRTL uses unsigned short[3] for */ |
---|
530 | unsigned short rvn; /* FID (num,seq,rvn) */ |
---|
531 | unsigned short st_mode; /* file "mode" i.e. prot, dir, reg, etc. */ |
---|
532 | int st_nlink; /* for compatibility - not really used */ |
---|
533 | unsigned st_uid; /* from ACP - QIO uic field */ |
---|
534 | unsigned short st_gid; /* group number extracted from st_uid */ |
---|
535 | dev_t st_rdev; /* for compatibility - always zero */ |
---|
536 | off_t st_size; /* file size in bytes */ |
---|
537 | unsigned st_atime; /* file access time; always same as st_mtime */ |
---|
538 | unsigned st_mtime; /* last modification time */ |
---|
539 | unsigned st_ctime; /* file creation time */ |
---|
540 | char st_fab_rfm; /* record format */ |
---|
541 | char st_fab_rat; /* record attributes */ |
---|
542 | char st_fab_fsz; /* fixed header size */ |
---|
543 | unsigned st_dev; /* encoded device name */ |
---|
544 | /* Pad struct out to integral number of longwords, since DECC 5.6/VAX |
---|
545 | * has a bug in dealing with offsets in structs in which are embedded |
---|
546 | * other structs whose size is an odd number of bytes. (An even |
---|
547 | * number of bytes is enough to make it happy, but we go for natural |
---|
548 | * alignment anyhow.) |
---|
549 | */ |
---|
550 | char st_fill1[sizeof(void *) - (3*sizeof(unsigned short) + 3*sizeof(char))%sizeof(void *)]; |
---|
551 | }; |
---|
552 | typedef unsigned mydev_t; |
---|
553 | typedef unsigned myino_t; |
---|
554 | |
---|
555 | /* |
---|
556 | * DEC C previous to 6.0 corrupts the behavior of the /prefix |
---|
557 | * qualifier with the extern prefix pragma. This provisional |
---|
558 | * hack circumvents this prefix pragma problem in previous |
---|
559 | * precompilers. |
---|
560 | */ |
---|
561 | #if defined(__VMS_VER) && __VMS_VER >= 70000000 |
---|
562 | # if defined(VMS_WE_ARE_CASE_SENSITIVE) && (__DECC_VER < 60000000) |
---|
563 | # pragma __extern_prefix save |
---|
564 | # pragma __extern_prefix "" /* set to empty to prevent prefixing */ |
---|
565 | # define geteuid decc$__unix_geteuid |
---|
566 | # define getuid decc$__unix_getuid |
---|
567 | # define stat(__p1,__p2) decc$__utc_stat(__p1,__p2) |
---|
568 | # define fstat(__p1,__p2) decc$__utc_fstat(__p1,__p2) |
---|
569 | # pragma __extern_prefix restore |
---|
570 | # endif |
---|
571 | #endif |
---|
572 | |
---|
573 | #ifndef DONT_MASK_RTL_CALLS /* defined for vms.c so we can see RTL calls */ |
---|
574 | # ifdef stat |
---|
575 | # undef stat |
---|
576 | # endif |
---|
577 | # define stat mystat |
---|
578 | # define dev_t mydev_t |
---|
579 | # define ino_t myino_t |
---|
580 | #endif |
---|
581 | #if defined(__DECC) || defined(__DECCXX) |
---|
582 | # pragma __member_alignment __restore |
---|
583 | #endif |
---|
584 | #if defined(__DECC) |
---|
585 | # pragma __message __restore |
---|
586 | #endif |
---|
587 | /* Cons up a 'delete' bit for testing access */ |
---|
588 | #define S_IDUSR (S_IWUSR | S_IXUSR) |
---|
589 | #define S_IDGRP (S_IWGRP | S_IXGRP) |
---|
590 | #define S_IDOTH (S_IWOTH | S_IXOTH) |
---|
591 | |
---|
592 | |
---|
593 | /* Prototypes for functions unique to vms.c. Don't include replacements |
---|
594 | * for routines in the mainline source files excluded by #ifndef VMS; |
---|
595 | * their prototypes are already in proto.h. |
---|
596 | * |
---|
597 | * In order to keep Gen_ShrFls.Pl happy, functions which are to be made |
---|
598 | * available to images linked to PerlShr.Exe must be declared between the |
---|
599 | * __VMS_PROTOTYPES__ and __VMS_SEPYTOTORP__ lines, and must be in the form |
---|
600 | * <data type><TAB>name<WHITESPACE>(<prototype args>); |
---|
601 | */ |
---|
602 | |
---|
603 | #ifdef NO_PERL_TYPEDEFS |
---|
604 | /* We don't have Perl typedefs available (e.g. when building a2p), so |
---|
605 | we fake them here. N.B. There is *no* guarantee that the faked |
---|
606 | prototypes will actually match the real routines. If you want to |
---|
607 | call Perl routines, include perl.h to get the real typedefs. */ |
---|
608 | # ifndef bool |
---|
609 | # define bool int |
---|
610 | # define __MY_BOOL_TYPE_FAKE |
---|
611 | # endif |
---|
612 | # ifndef I32 |
---|
613 | # define I32 int |
---|
614 | # define __MY_I32_TYPE_FAKE |
---|
615 | # endif |
---|
616 | # ifndef SV |
---|
617 | # define SV void /* Since we only see SV * in prototypes */ |
---|
618 | # define __MY_SV_TYPE_FAKE |
---|
619 | # endif |
---|
620 | #endif |
---|
621 | |
---|
622 | void prime_env_iter (void); |
---|
623 | void init_os_extras (); |
---|
624 | /* prototype section start marker; `typedef' passes through cpp */ |
---|
625 | typedef char __VMS_PROTOTYPES__; |
---|
626 | int vmstrnenv (const char *, char *, unsigned long int, struct dsc$descriptor_s **, unsigned long int); |
---|
627 | int my_trnlnm (const char *, char *, unsigned long int); |
---|
628 | #if !defined(PERL_IMPLICIT_CONTEXT) |
---|
629 | char * Perl_my_getenv (const char *, bool); |
---|
630 | #else |
---|
631 | char * Perl_my_getenv (pTHX_ const char *, bool); |
---|
632 | #endif |
---|
633 | char * my_getenv_len (const char *, unsigned long *, bool); |
---|
634 | int vmssetenv (char *, char *, struct dsc$descriptor_s **); |
---|
635 | char * my_crypt (const char *, const char *); |
---|
636 | Pid_t my_waitpid (Pid_t, int *, int); |
---|
637 | char * my_gconvert (double, int, int, char *); |
---|
638 | int do_rmdir (char *); |
---|
639 | int kill_file (char *); |
---|
640 | int my_mkdir (char *, Mode_t); |
---|
641 | int my_utime (char *, struct utimbuf *); |
---|
642 | char * rmsexpand (char *, char *, char *, unsigned); |
---|
643 | char * rmsexpand_ts (char *, char *, char *, unsigned); |
---|
644 | char * fileify_dirspec (char *, char *); |
---|
645 | char * fileify_dirspec_ts (char *, char *); |
---|
646 | char * pathify_dirspec (char *, char *); |
---|
647 | char * pathify_dirspec_ts (char *, char *); |
---|
648 | char * tounixspec (char *, char *); |
---|
649 | char * tounixspec_ts (char *, char *); |
---|
650 | char * tovmsspec (char *, char *); |
---|
651 | char * tovmsspec_ts (char *, char *); |
---|
652 | char * tounixpath (char *, char *); |
---|
653 | char * tounixpath_ts (char *, char *); |
---|
654 | char * tovmspath (char *, char *); |
---|
655 | char * tovmspath_ts (char *, char *); |
---|
656 | void vms_image_init (int *, char ***); |
---|
657 | DIR * opendir (char *); |
---|
658 | struct dirent * readdir (DIR *); |
---|
659 | long telldir (DIR *); |
---|
660 | void seekdir (DIR *, long); |
---|
661 | void closedir (DIR *); |
---|
662 | void vmsreaddirversions (DIR *, int); |
---|
663 | struct tm * my_gmtime (const time_t *); |
---|
664 | struct tm * my_localtime (const time_t *); |
---|
665 | time_t my_time (time_t *); |
---|
666 | #ifdef HOMEGROWN_POSIX_SIGNALS |
---|
667 | int my_sigemptyset (sigset_t *); |
---|
668 | int my_sigfillset (sigset_t *); |
---|
669 | int my_sigaddset (sigset_t *, int); |
---|
670 | int my_sigdelset (sigset_t *, int); |
---|
671 | int my_sigismember (sigset_t *, int); |
---|
672 | int my_sigprocmask (int, sigset_t *, sigset_t *); |
---|
673 | #endif |
---|
674 | I32 cando_by_name (I32, Uid_t, char *); |
---|
675 | int flex_fstat (int, Stat_t *); |
---|
676 | int flex_stat (const char *, Stat_t *); |
---|
677 | int trim_unixpath (char *, char*, int); |
---|
678 | int my_vfork (); |
---|
679 | bool vms_do_aexec (SV *, SV **, SV **); |
---|
680 | bool vms_do_exec (char *); |
---|
681 | unsigned long int do_aspawn (void *, void **, void **); |
---|
682 | unsigned long int do_spawn (char *); |
---|
683 | int my_fwrite (void *, size_t, size_t, FILE *); |
---|
684 | int my_flush (FILE *); |
---|
685 | struct passwd * my_getpwnam (char *name); |
---|
686 | struct passwd * my_getpwuid (Uid_t uid); |
---|
687 | struct passwd * my_getpwent (); |
---|
688 | void my_endpwent (); |
---|
689 | char * my_getlogin (); |
---|
690 | int rmscopy (char *, char *, int); |
---|
691 | typedef char __VMS_SEPYTOTORP__; |
---|
692 | /* prototype section end marker; `typedef' passes through cpp */ |
---|
693 | |
---|
694 | #ifdef NO_PERL_TYPEDEFS /* We'll try not to scramble later files */ |
---|
695 | # ifdef __MY_BOOL_TYPE_FAKE |
---|
696 | # undef bool |
---|
697 | # undef __MY_BOOL_TYPE_FAKE |
---|
698 | # endif |
---|
699 | # ifdef __MY_I32_TYPE_FAKE |
---|
700 | # undef I32 |
---|
701 | # undef __MY_I32_TYPE_FAKE |
---|
702 | # endif |
---|
703 | # ifdef __MY_SV_TYPE_FAKE |
---|
704 | # undef SV |
---|
705 | # undef __MY_SV_TYPE_FAKE |
---|
706 | # endif |
---|
707 | #endif |
---|
708 | |
---|
709 | #ifndef VMS_DO_SOCKETS |
---|
710 | /* This relies on tricks in perl.h to pick up that these manifest constants |
---|
711 | * are undefined and set up conversion routines. It will then redefine |
---|
712 | * these manifest constants, so the actual values will match config.h |
---|
713 | */ |
---|
714 | #undef HAS_HTONS |
---|
715 | #undef HAS_NTOHS |
---|
716 | #undef HAS_HTONL |
---|
717 | #undef HAS_NTOHL |
---|
718 | #endif |
---|
719 | |
---|
720 | /* The C RTL manual says to undef the macro for DEC C 5.2 and lower. */ |
---|
721 | #if defined(fileno) && defined(__DECC_VER) && __DECC_VER < 50300000 |
---|
722 | # undef fileno |
---|
723 | #endif |
---|
724 | |
---|
725 | #endif /* __vmsish_h_included */ |
---|