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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2009-07-18 20:39:57 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2009-07-18 20:39:57 +0000 |
commit | 4613e35dbbd0b97ee82948b9e3f3aabc90229583 (patch) | |
tree | cbd232cfab1a1f20d1e4a3ebca3d44b8297c28f9 /nuttx/lib | |
parent | 254321e61b0299f2247131f1a331b6b39d13cd93 (diff) | |
download | px4-nuttx-4613e35dbbd0b97ee82948b9e3f3aabc90229583.tar.gz px4-nuttx-4613e35dbbd0b97ee82948b9e3f3aabc90229583.tar.bz2 px4-nuttx-4613e35dbbd0b97ee82948b9e3f3aabc90229583.zip |
Add strpbrk()
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1991 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/lib')
-rw-r--r-- | nuttx/lib/Makefile | 6 | ||||
-rw-r--r-- | nuttx/lib/lib_strpbrk.c | 85 | ||||
-rw-r--r-- | nuttx/lib/lib_strstr.c | 2 |
3 files changed, 89 insertions, 4 deletions
diff --git a/nuttx/lib/Makefile b/nuttx/lib/Makefile index 021688365..221d24266 100644 --- a/nuttx/lib/Makefile +++ b/nuttx/lib/Makefile @@ -47,9 +47,9 @@ STRING_SRCS = lib_checkbase.c lib_isbasedigit.c lib_memset.c lib_memcpy.c \ lib_memcmp.c lib_memmove.c lib_skipspace.c lib_strcasecmp.c \ lib_strcat.c lib_strchr.c lib_strcpy.c lib_strcmp.c lib_strcspn.c \ lib_strdup.c lib_strerror.c lib_strlen.c lib_strncasecmp.c \ - lib_strncat.c lib_strncmp.c lib_strncpy.c lib_strrchr.c \ - lib_strspn.c lib_strstr.c lib_strtok.c lib_strtokr.c lib_strtol.c \ - lib_strtoll.c lib_strtoul.c lib_strtoull.c + lib_strncat.c lib_strncmp.c lib_strncpy.c lib_strpbrk.c \ + lib_strrchr.c lib_strspn.c lib_strstr.c lib_strtok.c lib_strtokr.c \ + lib_strtol.c lib_strtoll.c lib_strtoul.c lib_strtoull.c CTYPE_SRCS = diff --git a/nuttx/lib/lib_strpbrk.c b/nuttx/lib/lib_strpbrk.c new file mode 100644 index 000000000..2c6565d2f --- /dev/null +++ b/nuttx/lib/lib_strpbrk.c @@ -0,0 +1,85 @@ +/**************************************************************************** + * lib/lib_strpbrk.pcs + * + * Copyright (C) 2009 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * + * Redistribution and use str source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions str binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer str + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> +#include <sys/types.h> +#include <string.h> + +/**************************************************************************** + * Global Functions + ****************************************************************************/ + +char *strpbrk(const char *str, const char *charset) +{ + /* Sanity checking */ + +#ifdef CONFIG_DEBUG + if (!str || !charset) + { + return NULL; + } +#endif + + /* Check each character in the string */ + + while (*str) + { + /* Check if the character from the string matches any character in the charset */ + + if (strchr(charset, *str) != NULL) + { + /* Yes, then this position must be the first occurrence in string */ + + return (char*)str; + } + + /* This character from the strings matches none of those in the charset. + * Try the next character from the string. + */ + + str++; + } + + /* We have looked at every character in the string, and none of them match any of + * the characters in charset. + */ + + return NULL; +} + diff --git a/nuttx/lib/lib_strstr.c b/nuttx/lib/lib_strstr.c index 87b4adb9b..3649a6ac8 100644 --- a/nuttx/lib/lib_strstr.c +++ b/nuttx/lib/lib_strstr.c @@ -1,5 +1,5 @@ /**************************************************************************** - * lib/lib_strstr.ch + * lib/lib_strstr.c * * Copyright (C) 2009 Gregory Nutt. All rights reserved. * Author: Gregory Nutt <spudmonkey@racsa.co.cr> |