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38 lines
850 B
C
38 lines
850 B
C
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/* 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 <argz.h>
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#include <envz.h>
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void
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_DEFUN (envz_remove, (envz, envz_len, name),
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char **envz _AND
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size_t *envz_len _AND
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const char *name)
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{
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char *entry = NULL;
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int len = 0;
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entry = envz_entry (*envz, *envz_len, name);
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if (entry)
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{
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len = strlen(entry) + 1;
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/* Not the last entry. */
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if (*envz + *envz_len != entry + len - 1)
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{
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memmove(entry, entry + len, *envz + *envz_len - entry - len);
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}
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*envz = (char *)realloc(*envz, *envz_len - len);
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*envz_len -= len;
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}
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}
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