diff options
Diffstat (limited to 'gl/xalloc.h')
| -rw-r--r-- | gl/xalloc.h | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/gl/xalloc.h b/gl/xalloc.h index 40dcf4bd..57a13e0a 100644 --- a/gl/xalloc.h +++ b/gl/xalloc.h @@ -37,6 +37,14 @@ extern "C" { # define ATTRIBUTE_NORETURN __attribute__ ((__noreturn__)) # endif +# ifndef ATTRIBUTE_MALLOC +# if __GNUC__ >= 3 +# define ATTRIBUTE_MALLOC __attribute__ ((__malloc__)) +# else +# define ATTRIBUTE_MALLOC +# endif +# endif + /* This function is always triggered when memory is exhausted. It must be defined by the application, either explicitly or by using gnulib's xalloc-die module. This is the @@ -44,13 +52,13 @@ extern "C" { memory allocation failure. */ extern void xalloc_die (void) ATTRIBUTE_NORETURN; -void *xmalloc (size_t s); -void *xzalloc (size_t s); -void *xcalloc (size_t n, size_t s); +void *xmalloc (size_t s) ATTRIBUTE_MALLOC; +void *xzalloc (size_t s) ATTRIBUTE_MALLOC; +void *xcalloc (size_t n, size_t s) ATTRIBUTE_MALLOC; void *xrealloc (void *p, size_t s); void *x2realloc (void *p, size_t *pn); -void *xmemdup (void const *p, size_t s); -char *xstrdup (char const *str); +void *xmemdup (void const *p, size_t s) ATTRIBUTE_MALLOC; +char *xstrdup (char const *str) ATTRIBUTE_MALLOC; /* Return 1 if an array of N objects, each of size S, cannot exist due to size arithmetic overflow. S must be positive and N must be @@ -97,10 +105,10 @@ char *xstrdup (char const *str); # if HAVE_INLINE # define static_inline static inline # else - void *xnmalloc (size_t n, size_t s); + void *xnmalloc (size_t n, size_t s) ATTRIBUTE_MALLOC; void *xnrealloc (void *p, size_t n, size_t s); void *x2nrealloc (void *p, size_t *pn, size_t s); - char *xcharalloc (size_t n); + char *xcharalloc (size_t n) ATTRIBUTE_MALLOC; # endif # ifdef static_inline @@ -108,6 +116,7 @@ char *xstrdup (char const *str); /* Allocate an array of N objects, each with S bytes of memory, dynamically, with error checking. S must be nonzero. */ +static_inline void *xnmalloc (size_t n, size_t s) ATTRIBUTE_MALLOC; static_inline void * xnmalloc (size_t n, size_t s) { @@ -219,6 +228,7 @@ x2nrealloc (void *p, size_t *pn, size_t s) /* Return a pointer to a new buffer of N bytes. This is like xmalloc, except it returns char *. */ +static_inline char *xcharalloc (size_t n) ATTRIBUTE_MALLOC; static_inline char * xcharalloc (size_t n) { |