ali@0: #include <stdlib.h>
ali@0: #include <stdio.h>
ali@0: #include <string.h>
ali@0: #include <gclib/mem.h>
ali@0: 
ali@0: /*
ali@0:  * A memory allocator that aborts on failure (so that the caller never
ali@0:  * needs to handle out of memory, which we assume is very unlikely to
ali@0:  * happen under normal circumstances on any modern machine).
ali@0:  */
ali@0: void *mem_alloc(size_t nmemb,size_t size)
ali@0: {
ali@0:     void *ptr=malloc(nmemb*size);
ali@0:     if (!ptr)
ali@0:     {
ali@0: 	fprintf(stderr,
ali@0: 	  "Not enough memory to allocate %lu elements of %lu bytes.\n",
ali@0: 	  (unsigned long)nmemb,(unsigned long)size);
ali@0: 	abort();
ali@0:     }
ali@0:     return ptr;
ali@0: }
ali@0: 
ali@0: /*
ali@0:  * As mem_new, but new memory is cleared to zero.
ali@0:  */
ali@0: void *mem_alloc0(size_t nmemb,size_t size)
ali@0: {
ali@0:     void *ptr=calloc(nmemb,size);
ali@0:     if (!ptr)
ali@0:     {
ali@0: 	fprintf(stderr,
ali@0: 	  "Not enough memory to allocate %lu elements of %lu bytes.\n",
ali@0: 	  (unsigned long)nmemb,(unsigned long)size);
ali@0: 	abort();
ali@0:     }
ali@0:     return ptr;
ali@0: }
ali@0: 
ali@0: /*
ali@0:  * Grow or shrink a memory block, aborting on failure.
ali@0:  */
ali@0: void *mem_realloc(void *ptr,size_t nmemb,size_t size)
ali@0: {
ali@0:     ptr=realloc(ptr,nmemb*size);
ali@0:     if (!ptr)
ali@0:     {
ali@0: 	fprintf(stderr,
ali@0: 	  "Not enough memory to allocate %lu elements of %lu bytes.\n",
ali@0: 	  (unsigned long)nmemb,(unsigned long)size);
ali@0: 	abort();
ali@0:     }
ali@0:     return ptr;
ali@0: }