46 lines
1.0 KiB
C
46 lines
1.0 KiB
C
/* Copyright (C) 2002 by Red Hat, Incorporated. All rights reserved.
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*
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* Permission to use, copy, modify, and distribute this software
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* is freely granted, provided that this notice is preserved.
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*/
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#include <errno.h>
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#include <sys/types.h>
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#include <string.h>
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#include <stdlib.h>
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#include <envz.h>
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#include "buf_findstr.h"
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char *
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envz_entry (const char *envz,
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size_t envz_len,
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const char *name)
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{
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char *buf_ptr = (char *)envz;
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size_t buf_len = envz_len;
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while(buf_len)
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{
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if (_buf_findstr(name, &buf_ptr, &buf_len))
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{
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if (buf_ptr)
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{
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if (*buf_ptr == '=' || *buf_ptr == '\0')
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{
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buf_ptr--;
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/* Move buf_ptr back to start of entry. */
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while(*buf_ptr != '\0' && buf_ptr != envz) buf_ptr--;
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if(*buf_ptr == '\0')
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buf_ptr++;
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return (char *)buf_ptr;
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}
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}
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}
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}
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return 0;
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}
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