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76a2ee78b6
argument. * libc/argz/argz_append.c (argz_append): Handle empty buf argument. * libc/argz/argz_create_sep.c (argz_create_sep): Return (NULL, 0) on empty input strings. * libc/argz/argz_extract.c (argz_extract): Check argz_len before looping through argz. * libc/argz/argz_stringify.c (argz_stringify): Ditto.
37 lines
801 B
C
37 lines
801 B
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 <stdlib.h>
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#include <string.h>
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#include <argz.h>
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error_t
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_DEFUN (argz_add_sep, (argz, argz_len, str, sep),
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char **argz _AND
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size_t *argz_len _AND
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const char *str _AND
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int sep)
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{
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char *str_argz = 0;
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size_t str_argz_len = 0;
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size_t last = *argz_len;
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argz_create_sep (str, sep, &str_argz, &str_argz_len);
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if (str_argz_len)
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{
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*argz_len += str_argz_len;
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if(!(*argz = (char *)realloc(*argz, *argz_len)))
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return ENOMEM;
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memcpy(*argz + last, str_argz, str_argz_len);
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}
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return 0;
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}
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