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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.17.0/] [newlib/] [libc/] [argz/] [buf_findstr.c] - Rev 179
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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 <errno.h> #include <sys/types.h> #include <string.h> #include <stdlib.h> #include "buf_findstr.h" /* Find string str in buffer buf of length buf_len. Point buf to character after string, or set it to NULL if end of buffer is reached. Return 1 if found, 0 if not. */ int _buf_findstr(const char *str, char **buf, size_t *buf_len) { int i = 0; int j = 0; for (i = 0; i < *buf_len; i++) { if (str[0] == (*buf)[i]) { j = i; while (str[j - i] && (str[j - i] == (*buf)[j])) j++; if(str[j - i] == '\0') { *buf += j; *buf_len -= j; return 1; } } } if (i == *buf_len) { *buf += *buf_len; *buf_len = 0; } return 0; }
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