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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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ali@5
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#include <bl/mem.h>
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ali@0
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/*
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* A memory allocator that aborts on failure (so that the caller never
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* needs to handle out of memory, which we assume is very unlikely to
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* happen under normal circumstances on any modern machine).
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*/
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void *mem_alloc(size_t nmemb,size_t size)
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{
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void *ptr=malloc(nmemb*size);
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if (!ptr)
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{
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fprintf(stderr,
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"Not enough memory to allocate %lu elements of %lu bytes.\n",
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(unsigned long)nmemb,(unsigned long)size);
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abort();
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}
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return ptr;
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}
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/*
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* As mem_new, but new memory is cleared to zero.
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*/
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void *mem_alloc0(size_t nmemb,size_t size)
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{
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void *ptr=calloc(nmemb,size);
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if (!ptr)
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{
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fprintf(stderr,
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"Not enough memory to allocate %lu elements of %lu bytes.\n",
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(unsigned long)nmemb,(unsigned long)size);
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abort();
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}
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return ptr;
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}
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/*
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* Grow or shrink a memory block, aborting on failure.
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*/
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void *mem_realloc(void *ptr,size_t nmemb,size_t size)
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{
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ptr=realloc(ptr,nmemb*size);
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if (!ptr)
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{
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fprintf(stderr,
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"Not enough memory to allocate %lu elements of %lu bytes.\n",
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ali@0
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(unsigned long)nmemb,(unsigned long)size);
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abort();
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}
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return ptr;
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}
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