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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.17.0/] [newlib/] [libc/] [argz/] [argz_create_sep.c] - Blame information for rev 262

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Line No. Rev Author Line
1 148 jeremybenn
/* 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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