| 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 | * Device 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 | DevDefine_t *DevDefinetions = NULL; |
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| 22 | |
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| 23 | /* |
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| 24 | * Add a definetion to the master list. |
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| 25 | */ |
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| 26 | extern void DevDefAdd(DevDefine) |
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| 27 | DevDefine_t *DevDefine; |
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| 28 | { |
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| 29 | static DevDefine_t *Last = NULL; |
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| 30 | |
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| 31 | /* |
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| 32 | * Add Define |
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| 33 | */ |
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| 34 | if (!DevDefinetions) |
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| 35 | Last = DevDefinetions = DevDefine; |
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| 36 | else { |
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| 37 | Last->Next = DevDefine; |
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| 38 | Last = DevDefine; |
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| 39 | } |
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| 40 | } |
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| 41 | |
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| 42 | /* |
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| 43 | * Get device data tab entry having a name of "Name" and/or Type + Ident. |
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| 44 | */ |
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| 45 | extern DevDefine_t *DevDefGet(Name, Type, Ident) |
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| 46 | char *Name; |
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| 47 | int Type; |
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| 48 | int Ident; |
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| 49 | { |
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| 50 | register DevDefine_t *Ptr; |
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| 51 | register char **cpp; |
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| 52 | register int i; |
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| 53 | int NameMatch = FALSE; |
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| 54 | int IdentMatch = FALSE; |
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| 55 | |
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| 56 | if (!Name && !Ident) |
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| 57 | return((DevDefine_t *) NULL); |
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| 58 | |
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| 59 | for (Ptr = DevDefinetions; Ptr; Ptr = Ptr->Next) { |
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| 60 | if (Name && Ptr->Name) { |
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| 61 | if (FLAGS_ON(Ptr->Flags, DDT_LENCMP)) { |
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| 62 | if (EQN(Name, Ptr->Name, strlen(Ptr->Name))) |
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| 63 | NameMatch = TRUE; |
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| 64 | } else { |
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| 65 | if (EQ(Name, Ptr->Name)) |
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| 66 | NameMatch = TRUE; |
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| 67 | } |
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| 68 | } |
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| 69 | if (Name && !NameMatch) { |
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| 70 | /* Check name aliases */ |
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| 71 | for (cpp = Ptr->Aliases; !NameMatch && cpp && *cpp; ++cpp) |
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| 72 | if (EQ(Name, *cpp)) |
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| 73 | NameMatch = TRUE; |
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| 74 | } |
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| 75 | |
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| 76 | if (Type && Ident) |
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| 77 | if (Ptr->Type == Type && Ptr->Ident == Ident) |
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| 78 | IdentMatch = TRUE; |
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| 79 | /* |
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| 80 | * If we're suppose to match everything and it does... |
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| 81 | */ |
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| 82 | if ((Name && Type && Ident) && (NameMatch && IdentMatch)) |
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| 83 | return(Ptr); |
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| 84 | /* Just Name checking and it does match */ |
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| 85 | else if (Name && NameMatch) |
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| 86 | return(Ptr); |
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| 87 | /* Just Ident checking and it does match */ |
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| 88 | else if (Type && Ident && IdentMatch) |
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| 89 | return(Ptr); |
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| 90 | } |
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| 91 | |
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| 92 | return((DevDefine_t *) NULL); |
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| 93 | } |
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