| 1 | /* |
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| 2 | * Copyright (c) 1992-1998 Michael A. Cooper. |
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| 3 | * This software may be freely used and distributed provided it is not |
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| 4 | * sold for profit or used in part or in whole for commercial gain |
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| 5 | * without prior written agreement, and the author is credited |
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| 6 | * appropriately. |
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| 7 | */ |
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| 8 | |
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| 9 | #ifndef lint |
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| 10 | static char *RCSid = "$Revision: 1.1.1.3 $"; |
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| 11 | #endif |
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| 12 | |
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| 13 | /* |
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| 14 | * Definetion functions |
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| 15 | */ |
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| 16 | #include "defs.h" |
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| 17 | |
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| 18 | /* |
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| 19 | * Master list of definetions |
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| 20 | */ |
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| 21 | DefineList_t *Definetions = NULL; |
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| 22 | |
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| 23 | /* |
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| 24 | * Valid list of definetions |
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| 25 | * XXX It would be nice if only those names that are valid for |
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| 26 | * the OS we're run on are defined. |
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| 27 | */ |
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| 28 | static char *ValidDefineList[] = { |
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| 29 | DL_SYSMODEL, DL_KARCH, DL_CPU, DL_OBP, DL_VPD, |
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| 30 | DL_NETTYPE, DL_CATEGORY, DL_PART, DL_TAPEINFO, |
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| 31 | DL_KERNEL, DL_SYSCONF, DL_SCSI_DTYPE, DL_CDSPEED, |
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| 32 | NULL |
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| 33 | }; |
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| 34 | |
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| 35 | /* |
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| 36 | * Make sure Name is valid. |
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| 37 | */ |
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| 38 | int DefValid(Name) |
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| 39 | char *Name; |
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| 40 | { |
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| 41 | register char **cpp; |
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| 42 | int Valid = FALSE; |
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| 43 | |
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| 44 | for (cpp = ValidDefineList; !Valid && cpp && *cpp; ++cpp) |
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| 45 | if (EQ(Name, *cpp)) |
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| 46 | Valid = TRUE; |
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| 47 | |
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| 48 | return(Valid); |
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| 49 | } |
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| 50 | |
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| 51 | /* |
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| 52 | * Add a definetion to the master list. |
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| 53 | */ |
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| 54 | extern void DefAdd(Define, ListName) |
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| 55 | Define_t *Define; |
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| 56 | char *ListName; |
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| 57 | { |
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| 58 | register DefineList_t *ListPtr; |
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| 59 | register DefineList_t *NewList = NULL; |
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| 60 | register Define_t *DefPtr; |
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| 61 | |
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| 62 | /* |
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| 63 | * Find the requested list |
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| 64 | */ |
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| 65 | for (ListPtr = Definetions; ListPtr; ListPtr = ListPtr->Next) |
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| 66 | if (EQ(ListPtr->Name, ListName)) |
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| 67 | break; |
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| 68 | |
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| 69 | /* |
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| 70 | * Create a new list entry if the list doesn't exist already. |
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| 71 | */ |
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| 72 | if (!ListPtr) { |
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| 73 | ListPtr = NewList = (DefineList_t *) xcalloc(1, sizeof(DefineList_t)); |
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| 74 | NewList->Name = strdup(ListName); |
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| 75 | } |
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| 76 | |
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| 77 | /* |
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| 78 | * Add NewList to Definetions |
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| 79 | */ |
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| 80 | if (!Definetions) |
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| 81 | Definetions = NewList; |
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| 82 | else if (NewList) { |
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| 83 | for (ListPtr = Definetions; ListPtr && ListPtr->Next; |
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| 84 | ListPtr = ListPtr->Next); |
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| 85 | ListPtr->Next = NewList; |
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| 86 | ListPtr = NewList; |
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| 87 | } |
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| 88 | |
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| 89 | /* |
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| 90 | * Add Define to the requested list |
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| 91 | */ |
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| 92 | if (!ListPtr->Defines) |
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| 93 | ListPtr->Defines = Define; |
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| 94 | else { |
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| 95 | for (DefPtr = ListPtr->Defines; DefPtr && DefPtr->Next; |
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| 96 | DefPtr = DefPtr->Next); |
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| 97 | DefPtr->Next = Define; |
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| 98 | } |
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| 99 | } |
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| 100 | |
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| 101 | /* |
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| 102 | * Get the Define list for ListName. |
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| 103 | */ |
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| 104 | extern Define_t *DefGetList(ListName) |
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| 105 | char *ListName; |
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| 106 | { |
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| 107 | register DefineList_t *Ptr; |
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| 108 | |
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| 109 | for (Ptr = Definetions; Ptr; Ptr = Ptr->Next) |
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| 110 | if (EQ(Ptr->Name, ListName)) |
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| 111 | return(Ptr->Defines); |
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| 112 | |
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| 113 | return((Define_t *) NULL); |
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| 114 | } |
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| 115 | |
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| 116 | /* |
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| 117 | * Find definetion with key KeyStr and/or KeyNum in list ListName. |
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| 118 | */ |
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| 119 | extern Define_t *DefGet(ListName, KeyStr, KeyNum, Opts) |
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| 120 | char *ListName; |
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| 121 | char *KeyStr; |
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| 122 | long KeyNum; |
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| 123 | int Opts; |
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| 124 | { |
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| 125 | Define_t *List; |
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| 126 | register Define_t *Ptr; |
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| 127 | int StrMatch = FALSE; |
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| 128 | int NumMatch = FALSE; |
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| 129 | |
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| 130 | List = DefGetList(ListName); |
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| 131 | if (!List) { |
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| 132 | SImsg(SIM_DBG, "Invalid list name `%s'.", ListName); |
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| 133 | return((Define_t *) NULL); |
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| 134 | } |
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| 135 | |
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| 136 | for (Ptr = List; Ptr; Ptr = Ptr->Next) { |
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| 137 | if (KeyStr && Ptr->KeyStr) |
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| 138 | if (FLAGS_ON(Opts, DO_REGEX)) { |
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| 139 | strtolower(KeyStr); |
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| 140 | strtolower(Ptr->KeyStr); |
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| 141 | if (REmatch(KeyStr, Ptr->KeyStr, NULL) > 0) |
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| 142 | StrMatch = TRUE; |
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| 143 | } else { |
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| 144 | if (EQ(KeyStr, Ptr->KeyStr)) |
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| 145 | StrMatch = TRUE; |
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| 146 | } |
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| 147 | /* |
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| 148 | * If KeyStr is NULL and the entry key is "-" this implies |
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| 149 | * that we want to match againt none (NULL). |
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| 150 | */ |
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| 151 | if (!StrMatch) |
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| 152 | if (!KeyStr && Ptr->KeyStr && EQ(Ptr->KeyStr, "-")) |
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| 153 | StrMatch = TRUE; |
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| 154 | if ((KeyNum >= 0) && (Ptr->KeyNum >= 0) && KeyNum == Ptr->KeyNum) |
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| 155 | NumMatch = TRUE; |
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| 156 | if (KeyStr && (KeyNum >= 0) && StrMatch && NumMatch) |
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| 157 | return(Ptr); |
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| 158 | if (KeyStr && StrMatch) |
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| 159 | return(Ptr); |
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| 160 | if ((KeyNum >= 0) && NumMatch) |
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| 161 | return(Ptr); |
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| 162 | } |
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| 163 | |
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| 164 | return((Define_t *) NULL); |
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| 165 | } |
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