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Check for alloc_size attribute in configure.ac

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This commit is contained in:
Benny Baumann
2021-06-27 12:44:01 +02:00
committed by BenBE
parent 3da142b4b6
commit 44d1200ca4
2 changed files with 26 additions and 4 deletions
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16
Macros.h
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@ -37,8 +37,6 @@
#define ATTR_NONNULL __attribute__((nonnull))
#define ATTR_NORETURN __attribute__((noreturn))
#define ATTR_UNUSED __attribute__((unused))
#define ATTR_ALLOC_SIZE1(a) __attribute__((alloc_size (a)))
#define ATTR_ALLOC_SIZE2(a, b) __attribute__((alloc_size (a, b)))
#define ATTR_MALLOC __attribute__((malloc))
#else /* __GNUC__ */
@ -47,12 +45,22 @@
#define ATTR_NONNULL
#define ATTR_NORETURN
#define ATTR_UNUSED
#define ATTR_ALLOC_SIZE1(a)
#define ATTR_ALLOC_SIZE2(a, b)
#define ATTR_MALLOC
#endif /* __GNUC__ */
#ifdef HAVE_ATTR_ALLOC_SIZE
#define ATTR_ALLOC_SIZE1(a) __attribute__((alloc_size (a)))
#define ATTR_ALLOC_SIZE2(a, b) __attribute__((alloc_size (a, b)))
#else
#define ATTR_ALLOC_SIZE1(a)
#define ATTR_ALLOC_SIZE2(a, b)
#endif /* HAVE_ATTR_ALLOC_SIZE */
// ignore casts discarding const specifier, e.g.
// const char [] -> char * / void *
// const char *[2]' -> char *const *