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src/xmalloc.c

 

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/* Error-free versions of some libc routines */

 

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#include <stdio.h>

 

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#include <stdlib.h>

 

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#include <string.h>

 

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#include <sysexits.h>

 

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#include "nls.h"

 

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#include "xmalloc.h"

 

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extern char *progname;

 

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static void

 

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nomem(void) {

 

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        fprintf(stderr, _("%s: out of memory\n"), progname);

 

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        exit(EX_OSERR);

 

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}

 

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void *

 

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xmalloc(size_t sz) {

 

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        void *p = malloc(sz);

 

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        if (p == NULL)

 

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                nomem();

 

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        return p;

 

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}

 

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void *

 

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xrealloc(void *pp, size_t sz) {

 

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        void *p = realloc(pp, sz);

 

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        if (p == NULL)

 

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                nomem();

 

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        return p;

 

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}

 

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char *

 

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xstrdup(char *p) {

 

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        char *q = strdup(p);

 

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        if (q == NULL)

 

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                nomem();

 

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        return q;

 

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}

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