54 lines
1.1 KiB
C
54 lines
1.1 KiB
C
/** @file
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* Memory allocation routines that will cause
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* fatal error if allocation fails.
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*/
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#include <stdlib.h>
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#include "debug.h"
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#include "global.h"
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#include "alloc.h"
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#include "io.h"
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/** Allocate "sz" bytes on the heap with description
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* "descr", raise a fatal error if it cannot be
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* allocated. Returns a pointer to the newly allocated
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* block.
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*/
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char *Malloc(size sz, char *descr)
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{
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register char *new = malloc((unsigned int) (sz));
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if (new == (char *) 0 && descr != (char *) 0)
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fatal("Cannot allocate %s", descr);
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#ifdef DB_MALLOC /* from debug.h */
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/* fill area with recognizable garbage */
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{ register char *p = new;
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register size i = sz;
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register char ch = 0252;
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if (p) {
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while (i--) {
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*p++ = ch;
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ch = ~ch;
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}
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}
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}
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#endif /* DB_MALLOC */
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return new;
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}
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/** Reallocates an "old" memory block with new size
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* "sz" in bytes. Raise a fatal error if the block
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* cannot be reallocated.
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*
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*/
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char *Realloc(char *old, size sz, char *descr)
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{
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register char *new = realloc(old, (unsigned int) (sz));
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if (new == (char *) 0)
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fatal("Cannot reallocate %s", descr);
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return new;
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}
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