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#include <string.h> // for memcpy
#include "utilmem.h"
#include "utillog.h"
#ifndef util_memerr
# if defined(_WIN64) || defined(__MINGW32__)
# define util_memerr(size) { loggerf("ooops, not enough memory (%I64u)", ((unsigned long long)(size))); abort(); }
# else
# define util_memerr(size) { loggerf("ooops, not enough memory (%llu)", ((unsigned long long)(size))); abort(); }
# endif
#endif
void * util_malloc (size_t size)
{
void *m;
if ((m = malloc(size)) == NULL)
util_memerr(size);
return m;
}
void * util_calloc (size_t num, size_t size)
{
void *m;
if ((m = calloc(num, size)) == NULL)
util_memerr(size);
return m;
}
void * util_realloc (void *m, size_t size)
{
if ((m = realloc(m, size)) == NULL)
util_memerr(size);
return m;
}
/* common array resizer
data -- the beginning of array
unit -- sizeof array element
size -- current array size
extra -- requested extra size
space -- pointer to available space
allocated -- flag indicating if *data has been allocated (with malloc)
*/
void util_resize (void **data, size_t unit, size_t size, size_t extra, size_t *space, int allocated)
{
if (*space == 0)
*space = 4; // ... better keep *space non-zero to avoid it
do { *space <<= 1; }
while (size + extra > *space);
if (allocated)
{
*data = util_realloc(*data, *space * unit);
}
else
{
void *newdata = util_malloc(*space * unit);
if (*data != NULL)
memcpy(newdata, *data, size * unit);
*data = newdata;
}
}
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