70 lines
1.3 KiB
C
70 lines
1.3 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 <argz.h>
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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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error_t
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_DEFUN (argz_create_sep, (string, sep, argz, argz_len),
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const char *string _AND
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int sep _AND
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char **argz _AND
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size_t *argz_len)
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{
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int len = 0;
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int i = 0;
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int num_strings = 0;
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char delim[2];
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char *running = 0;
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char *old_running = 0;
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char *token = 0;
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char *iter = 0;
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*argz_len = 0;
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if (!string || string[0] == '\0')
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{
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*argz= NULL;
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return 0;
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}
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delim[0] = sep;
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delim[1] = '\0';
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running = strdup(string);
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old_running = running;
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while ((token = strsep(&running, delim)))
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{
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len = strlen(token);
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*argz_len += (len + 1);
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num_strings++;
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}
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if(!(*argz = (char *)malloc(*argz_len)))
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return ENOMEM;
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free(old_running);
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running = strdup(string);
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old_running = running;
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iter = *argz;
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for (i = 0; i < num_strings; i++)
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{
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token = strsep(&running, delim);
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len = strlen(token) + 1;
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memcpy(iter, token, len);
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iter += len;
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}
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free(old_running);
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return 0;
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}
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