From e2742c43aa8f8dd4f4ce6738169af07972f8d538 Mon Sep 17 00:00:00 2001 From: Mattias Andrée Date: Tue, 1 Sep 2015 01:25:57 +0200 Subject: add index and rindex MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Mattias Andrée --- include/strings.h | 19 +++++++++++++++++++ src/strings/index.c | 43 +++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 62 insertions(+) create mode 100644 src/strings/index.c diff --git a/include/strings.h b/include/strings.h index 15b8b1a..2044fa6 100644 --- a/include/strings.h +++ b/include/strings.h @@ -95,6 +95,25 @@ int strncasecmp(const char*, const char*, size_t) __GCC_ONLY(__attribute__((warn_unused_result, nonnull))); +/** + * This function is identical to `strchr`. + * + * This is a deprecated BSD extension. + */ +char* index(const char*, int) + __deprecated("Use 'strchr' instead.") + __GCC_ONLY(__attribute__((warn_unused_result, nonnull))); + +/** + * This function is identical to `strrchr`. + * + * This is a deprecated BSD extension. + */ +char* rindex(const char*, int) + __deprecated("Use 'strrchr' instead.") + __GCC_ONLY(__attribute__((warn_unused_result, nonnull))); + + #endif diff --git a/src/strings/index.c b/src/strings/index.c new file mode 100644 index 0000000..82126f5 --- /dev/null +++ b/src/strings/index.c @@ -0,0 +1,43 @@ +/** + * slibc — Yet another C library + * Copyright © 2015 Mattias Andrée (maandree@member.fsf.org) + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ +#include +#include + + + +/** + * This function is identical to `strchr`. + * + * This is a deprecated BSD extension. + */ +char* index(const char* string, int c) +{ + return strchr(string, c); +} + + +/** + * This function is identical to `strrchr`. + * + * This is a deprecated BSD extension. + */ +char* rindex(const char* string, int c) +{ + return strrchr(string, c); +} + -- cgit v1.2.3-70-g09d2