| | 1 | /* This file provides some non-standard functions that are considered |
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| | 2 | * standard by the portable Tads code and thus aren't in the OS-layer. |
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| | 3 | * None of these funtions will be implemented if the system happens to |
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| | 4 | * provide them; in that case, the configure script will generate an |
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| | 5 | * appropriate HAVE_[NAME OF FUNCTION] macro. |
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| | 6 | */ |
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| | 7 | #ifndef MISSING_H |
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| | 8 | #define MISSING_H |
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| | 9 | |
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| | 10 | #include "common.h" |
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| | 11 | |
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| | 12 | #include <stddef.h> /* For size_t. */ |
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| | 13 | |
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| | 14 | #ifdef __cplusplus |
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| | 15 | extern "C" { |
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| | 16 | #endif |
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| | 17 | |
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| | 18 | /* Counted-length case-insensitive string comparison. |
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| | 19 | * |
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| | 20 | * This function always compares 'len' characters, regardless if a '\0' |
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| | 21 | * character has been detected. |
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| | 22 | */ |
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| | 23 | #ifndef HAVE_MEMICMP |
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| | 24 | int |
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| | 25 | memicmp( const void* s1, const void* s2, size_t len ); |
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| | 26 | #endif |
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| | 27 | |
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| | 28 | /* Case-insensitive string comparison. |
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| | 29 | * |
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| | 30 | * We only use this implemention if neither stricmp() nor strcasecmp() |
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| | 31 | * are available. |
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| | 32 | */ |
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| | 33 | #if !defined HAVE_STRICMP && !defined HAVE_STRCASECMP |
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| | 34 | int |
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| | 35 | stricmp( const char* s1, const char* s2 ); |
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| | 36 | #endif |
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| | 37 | |
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| | 38 | /* Length-limited case-insensitive string comparison. |
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| | 39 | * |
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| | 40 | * This function compares at most `n' characters, or until a '\0' |
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| | 41 | * character has been detected. |
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| | 42 | * |
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| | 43 | * We only use this implemention if neither strnicmp() nor strncasecmp() |
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| | 44 | * are available. |
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| | 45 | */ |
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| | 46 | #if !defined HAVE_STRNICMP && !defined HAVE_STRNCASECMP |
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| | 47 | int |
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| | 48 | strnicmp( const char* s1, const char* s2, size_t n ); |
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| | 49 | #endif |
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| | 50 | |
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| | 51 | /* Determine the length of a wide character string. |
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| | 52 | */ |
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| | 53 | #if !HAVE_DECL_WCSLEN |
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| | 54 | size_t |
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| | 55 | wcslen( wchar_t* s ); |
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| | 56 | #endif |
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| | 57 | |
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| | 58 | /* Copy a wide character string. |
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| | 59 | */ |
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| | 60 | #if !HAVE_DECL_WCSCPY |
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| | 61 | wchar_t* |
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| | 62 | wcscpy( wchar_t* dest, const wchar_t* src ); |
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| | 63 | #endif |
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| | 64 | |
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| | 65 | #ifdef __cplusplus |
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| | 66 | } /* extern "C" */ |
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| | 67 | #endif |
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| | 68 | |
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| | 69 | #endif /* MISSING_H */ |
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