From b56d7e7937d0604025833e8c881f96c1d0e4147f Mon Sep 17 00:00:00 2001 From: Thomas Fitzsimmons Date: Fri, 14 Jun 2002 20:51:09 +0000 Subject: * libc/argz: New directory. * libc/argz/*: New files. * libc/argz/argz_add.c: New file. * libc/argz/argz_add_sep.c: New file. * libc/argz/argz_append.c: New file. * libc/argz/argz_count.c: New file. * libc/argz/argz_create.c: New file. * libc/argz/argz_create_sep.c: New file. * libc/argz/argz_delete.c: New file. * libc/argz/argz_extract.c: New file. * libc/argz/argz_insert.c: New file. * libc/argz/argz_next.c: New file. * libc/argz/argz_replace.c: New file. * libc/argz/argz_stringify.c: New file. * libc/argz/buf_findstr.c: New file. * libc/argz/envz_add.c: New file. * libc/argz/envz_entry.c: New file. * libc/argz/envz_get.c: New file. * libc/argz/envz_merge.c: New file. * libc/argz/envz_remove.c: New file. * libc/argz/envz_strip.c: New file. * libc/include/argz.h: New file. * libc/include/envz.h: New file. * Makefile.am (LIBC_OBJECTLISTS): Add libc/argz/objectlist.awk.in. * libc/Makefile.am (SUBDIRS): Add argz. (SUBLIBS): Add argz/libargz.la. * libc/configure.in (AC_OUTPUT): Add argz/Makefile. * libc/include/errno.h: Add error_t typedef. --- newlib/libc/argz/buf_findstr.c | 42 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 newlib/libc/argz/buf_findstr.c (limited to 'newlib/libc/argz/buf_findstr.c') diff --git a/newlib/libc/argz/buf_findstr.c b/newlib/libc/argz/buf_findstr.c new file mode 100644 index 000000000..792706e88 --- /dev/null +++ b/newlib/libc/argz/buf_findstr.c @@ -0,0 +1,42 @@ +/* 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 +#include +#include +#include + +/* 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, const 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; +} -- cgit v1.2.3