glibc/include/sys/cdefs.h
Ulrich Drepper ec09c1c410 Optimize xmalloc, xcalloc, xrealloc, and xstrdup
Add alloc_size attribute and apply consistently the malloc attribute
to xmalloc, xcalloc, xrealloc, and xstrdup.
2012-01-08 21:19:43 -05:00

23 lines
596 B
C

#ifndef _SYS_CDEFS_H
#include <misc/sys/cdefs.h>
/* The compiler will optimize based on the knowledge the parameter is
not NULL. This will omit tests. A robust implementation cannot allow
this so when compiling glibc itself we ignore this attribute. */
#undef __nonnull
#define __nonnull(params)
extern void __chk_fail (void) __attribute__ ((__noreturn__));
libc_hidden_proto (__chk_fail)
rtld_hidden_proto (__chk_fail)
#if __GNUC_PREREQ (4,3)
# define __attribute_alloc_size(...) __attribute__ ((alloc_size (__VA_ARGS__)))
#else
# define __attribute_alloc_size(...)
#endif
#endif