#include <stdlib.h>

 #include <stdio.h>

 #include <string.h>

 #include <gclib/mem.h>

 /*

  * A memory allocator that aborts on failure (so that the caller never

  * needs to handle out of memory, which we assume is very unlikely to

  * happen under normal circumstances on any modern machine).

  */

 void *mem_alloc(size_t nmemb,size_t size)

 {

     void *ptr=malloc(nmemb*size);

     if (!ptr)

     {

 	fprintf(stderr,

 	  "Not enough memory to allocate %lu elements of %lu bytes.\n",

 	  (unsigned long)nmemb,(unsigned long)size);

 	abort();

     }

     return ptr;

 }

 /*

  * As mem_new, but new memory is cleared to zero.

  */

 void *mem_alloc0(size_t nmemb,size_t size)

 {

     void *ptr=calloc(nmemb,size);

     if (!ptr)

     {

 	fprintf(stderr,

 	  "Not enough memory to allocate %lu elements of %lu bytes.\n",

 	  (unsigned long)nmemb,(unsigned long)size);

 	abort();

     }

     return ptr;

 }

 /*

  * Grow or shrink a memory block, aborting on failure.

  */

 void *mem_realloc(void *ptr,size_t nmemb,size_t size)

 {

     ptr=realloc(ptr,nmemb*size);

     if (!ptr)

     {

 	fprintf(stderr,

 	  "Not enough memory to allocate %lu elements of %lu bytes.\n",

 	  (unsigned long)nmemb,(unsigned long)size);

 	abort();

     }

     return ptr;

 }