diff options
Diffstat (limited to 'libc/string/strtok.c')
-rw-r--r-- | libc/string/strtok.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/libc/string/strtok.c b/libc/string/strtok.c new file mode 100644 index 0000000..665c08d --- /dev/null +++ b/libc/string/strtok.c @@ -0,0 +1,45 @@ +/****************************************************************************** + * Copyright (c) 2004, 2008 IBM Corporation + * All rights reserved. + * This program and the accompanying materials + * are made available under the terms of the BSD License + * which accompanies this distribution, and is available at + * http://www.opensource.org/licenses/bsd-license.php + * + * Contributors: + * IBM Corporation - initial implementation + *****************************************************************************/ + +#include <string.h> + +char * +strtok(char *src, const char *pattern) +{ + static char *nxtTok; + char *retVal = NULL; + + if (!src) + src = nxtTok; + + while (*src) { + const char *pp = pattern; + while (*pp) { + if (*pp == *src) { + break; + } + pp++; + } + if (!*pp) { + if (!retVal) + retVal = src; + else if (!src[-1]) + break; + } else + *src = '\0'; + src++; + } + + nxtTok = src; + + return retVal; +} |