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catch use of pre-C99 non-standard functions

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nhmall
2023-02-01 09:22:16 -05:00
parent 56f1201e43
commit 14962a5a33
1 changed files with 11 additions and 0 deletions
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include/tradstdc.h
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@@ -459,5 +459,16 @@ typedef genericptr genericptr_t; /* (void *) or (char *) */
#define NONNULL #define NONNULL
#endif #endif
/*
* Allow gcc to catch the use of non-C99 functions that NetHack
* has replaced with a C99 standard function. The old non-C99
* function will cause a link failure on non-Unix platforms,
* so it is preferrable to catch it early, during compile.
*/
#if defined(__GNUC__) || defined(__CLANG__)
inline char *index(const char *s, int c) __attribute__ ((unavailable));
inline char *rindex(const char *s, int c) __attribute__ ((unavailable));
#endif
#endif /* TRADSTDC_H */ #endif /* TRADSTDC_H */