awesome/util.h

67 lines
1.6 KiB
C

/* See LICENSE file for copyright and license details. */
#ifndef AWESOME_MEM_H
#define AWESOME_MEM_H
#include "config.h"
#define ssizeof(foo) (ssize_t)sizeof(foo)
#define countof(foo) (ssizeof(foo) / ssizeof(foo[0]))
#define p_new(type, count) ((type *)xmalloc(sizeof(type) * (count)))
#define p_clear(p, count) ((void)memset((p), 0, sizeof(*(p)) * (count)))
#define p_realloc(pp, count) xrealloc((void*)(pp) sizeof(**(pp) * (count)))
#ifdef __GNUC__
#define p_delete(mem_pp) \
do { \
typeof(**(mem_pp)) **__ptr = (mem_pp); \
free(*__ptr); \
*__ptr = NULL; \
} while(0)
#else
#define p_delete(mem_p) \
do { \
void *__ptr = (mem_p); \
free(*__ptr); \
*(void **)__ptr = NULL; \
} while (0)
#endif
static inline void * __attribute__ ((malloc)) xmalloc(ssize_t size)
{
void *ptr;
if(size <= 0)
return NULL;
ptr = calloc(1, size);
if(!ptr)
abort();
return ptr;
}
static inline void
xrealloc(void **ptr, ssize_t newsize)
{
if(newsize <= 0)
p_delete(ptr);
else
{
*ptr = realloc(*ptr, newsize);
if(!*ptr)
abort();
}
}
void eprint(const char *, ...) __attribute__ ((noreturn)) __attribute__ ((format(printf, 1, 2)));
void spawn(Display *, awesome_config *, const char *);
#endif