Fix xStrdup debug build failure & allow Clang to use ((nonnull))

This commit is contained in:
Explorer09 2016-06-03 10:14:27 +08:00
parent f9c1db514d
commit c0e37bc5f5
2 changed files with 14 additions and 5 deletions

View File

@ -5,12 +5,12 @@
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif
#include <assert.h>
#include <err.h>
#include <stdlib.h>
#include <string.h>
/*{
#include <assert.h>
#include <stdlib.h>
}*/
@ -52,9 +52,13 @@ void* xRealloc(void* ptr, size_t size) {
# define xStrdup(str_) (assert(str_), xStrdup_(str_))
#endif
#if ((__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 3))
#ifndef __has_attribute // Clang's macro
# define __has_attribute(x) 0
#endif
#if (__has_attribute(nonnull) || \
((__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 3)))
char* xStrdup_(const char* str) __attribute__((nonnull));
#endif // GNU C 3.3 or later
#endif // __has_attribute(nonnull) || GNU C 3.3 or later
char* xStrdup_(const char* str) {
char* data = strdup(str);

View File

@ -7,6 +7,7 @@
#define _GNU_SOURCE
#endif
#include <assert.h>
#include <stdlib.h>
void* xMalloc(size_t size);
@ -23,9 +24,13 @@ void* xRealloc(void* ptr, size_t size);
# define xStrdup(str_) (assert(str_), xStrdup_(str_))
#endif
#if ((__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 3))
#ifndef __has_attribute // Clang's macro
# define __has_attribute(x) 0
#endif
#if (__has_attribute(nonnull) || \
((__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 3)))
char* xStrdup_(const char* str) __attribute__((nonnull));
#endif // GNU C 3.3 or later
#endif // __has_attribute(nonnull) || GNU C 3.3 or later
char* xStrdup_(const char* str);