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Subversion Repositories openrisc_2011-10-31
[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.18.0/] [newlib/] [libc/] [argz/] [argz_create_sep.c] - Rev 540
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/* Copyright (C) 2002 by Red Hat, Incorporated. All rights reserved. * * Permission to use, copy, modify, and distribute this software * is freely granted, provided that this notice is preserved. */ #include <argz.h> #include <errno.h> #include <sys/types.h> #include <string.h> #include <stdlib.h> error_t _DEFUN (argz_create_sep, (string, sep, argz, argz_len), const char *string _AND int sep _AND char **argz _AND size_t *argz_len) { int len = 0; int i = 0; int num_strings = 0; char delim[2]; char *running = 0; char *old_running = 0; char *token = 0; char *iter = 0; *argz_len = 0; if (!string || string[0] == '\0') { *argz= NULL; return 0; } delim[0] = sep; delim[1] = '\0'; running = strdup(string); old_running = running; while ((token = strsep(&running, delim))) { len = strlen(token); *argz_len += (len + 1); num_strings++; } if(!(*argz = (char *)malloc(*argz_len))) return ENOMEM; free(old_running); running = strdup(string); old_running = running; iter = *argz; for (i = 0; i < num_strings; i++) { token = strsep(&running, delim); len = strlen(token) + 1; memcpy(iter, token, len); iter += len; } free(old_running); return 0; }
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