diff options
| -rw-r--r-- | lib/unistr/u-strstr.h | 51 | ||||
| -rw-r--r-- | lib/unistr/u16-strstr.c | 30 | ||||
| -rw-r--r-- | lib/unistr/u32-strstr.c | 28 | ||||
| -rw-r--r-- | lib/unistr/u8-strstr.c | 30 | ||||
| -rw-r--r-- | modules/unistr/u16-strstr | 24 | ||||
| -rw-r--r-- | modules/unistr/u32-strstr | 24 | ||||
| -rw-r--r-- | modules/unistr/u8-strstr | 24 |
7 files changed, 211 insertions, 0 deletions
diff --git a/lib/unistr/u-strstr.h b/lib/unistr/u-strstr.h new file mode 100644 index 0000000000..1c2e4cb607 --- /dev/null +++ b/lib/unistr/u-strstr.h @@ -0,0 +1,51 @@ +/* Substring test for UTF-8/UTF-16/UTF-32 strings. + Copyright (C) 1999, 2002, 2006 Free Software Foundation, Inc. + Written by Bruno Haible <bruno@clisp.org>, 2002. + + This program is free software; you can redistribute it and/or modify it + under the terms of the GNU Library General Public License as published + by the Free Software Foundation; either version 2, 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, + USA. */ + +UNIT * +FUNC (const UNIT *haystack, const UNIT *needle) +{ + UNIT first = needle[0]; + + /* Is needle empty? */ + if (first == 0) + return (UNIT *) haystack; + + /* Is needle nearly empty? */ + if (needle[1] == 0) + return U_STRCHR (haystack, first); + + /* Search for needle's first unit. */ + for (; *haystack != 0; haystack++) + if (*haystack == first) + { + /* Compare with needle's remaining units. */ + const UNIT *hptr = haystack + 1; + const UNIT *nptr = needle + 1; + for (;;) + { + if (*hptr != *nptr) + break; + hptr++; nptr++; + if (*nptr == 0) + return (UNIT *) haystack; + } + } + + return NULL; +} diff --git a/lib/unistr/u16-strstr.c b/lib/unistr/u16-strstr.c new file mode 100644 index 0000000000..eca5ad6768 --- /dev/null +++ b/lib/unistr/u16-strstr.c @@ -0,0 +1,30 @@ +/* Substring test for UTF-16 strings. + Copyright (C) 1999, 2002, 2006 Free Software Foundation, Inc. + Written by Bruno Haible <bruno@clisp.org>, 2002. + + This program is free software; you can redistribute it and/or modify it + under the terms of the GNU Library General Public License as published + by the Free Software Foundation; either version 2, 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, + USA. */ + +#include <config.h> + +/* Specification. */ +#include "unistr.h" + +/* FIXME: Maybe walking the string via u16_mblen is a win? */ + +#define FUNC u16_strstr +#define UNIT uint16_t +#define U_STRCHR u16_strchr +#include "u-strstr.h" diff --git a/lib/unistr/u32-strstr.c b/lib/unistr/u32-strstr.c new file mode 100644 index 0000000000..4bcb3bea95 --- /dev/null +++ b/lib/unistr/u32-strstr.c @@ -0,0 +1,28 @@ +/* Substring test for UTF-32 strings. + Copyright (C) 1999, 2002, 2006 Free Software Foundation, Inc. + Written by Bruno Haible <bruno@clisp.org>, 2002. + + This program is free software; you can redistribute it and/or modify it + under the terms of the GNU Library General Public License as published + by the Free Software Foundation; either version 2, 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, + USA. */ + +#include <config.h> + +/* Specification. */ +#include "unistr.h" + +#define FUNC u32_strstr +#define UNIT uint32_t +#define U_STRCHR u32_strchr +#include "u-strstr.h" diff --git a/lib/unistr/u8-strstr.c b/lib/unistr/u8-strstr.c new file mode 100644 index 0000000000..a818e3ef0f --- /dev/null +++ b/lib/unistr/u8-strstr.c @@ -0,0 +1,30 @@ +/* Substring test for UTF-8 strings. + Copyright (C) 1999, 2002, 2006 Free Software Foundation, Inc. + Written by Bruno Haible <bruno@clisp.org>, 2002. + + This program is free software; you can redistribute it and/or modify it + under the terms of the GNU Library General Public License as published + by the Free Software Foundation; either version 2, 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, + USA. */ + +#include <config.h> + +/* Specification. */ +#include "unistr.h" + +/* FIXME: Maybe walking the string via u8_mblen is a win? */ + +#define FUNC u8_strstr +#define UNIT uint8_t +#define U_STRCHR u8_strchr +#include "u-strstr.h" diff --git a/modules/unistr/u16-strstr b/modules/unistr/u16-strstr new file mode 100644 index 0000000000..c98dc71748 --- /dev/null +++ b/modules/unistr/u16-strstr @@ -0,0 +1,24 @@ +Description: +Substring test for UTF-16 strings. + +Files: +lib/unistr/u16-strstr.c +lib/unistr/u-strstr.h + +Depends-on: +unistr/base + +configure.ac: + +Makefile.am: +lib_SOURCES += unistr/u16-strstr.c + +Include: +"unistr.h" + +License: +LGPL + +Maintainer: +Bruno Haible + diff --git a/modules/unistr/u32-strstr b/modules/unistr/u32-strstr new file mode 100644 index 0000000000..a24e6061db --- /dev/null +++ b/modules/unistr/u32-strstr @@ -0,0 +1,24 @@ +Description: +Substring test for UTF-32 strings. + +Files: +lib/unistr/u32-strstr.c +lib/unistr/u-strstr.h + +Depends-on: +unistr/base + +configure.ac: + +Makefile.am: +lib_SOURCES += unistr/u32-strstr.c + +Include: +"unistr.h" + +License: +LGPL + +Maintainer: +Bruno Haible + diff --git a/modules/unistr/u8-strstr b/modules/unistr/u8-strstr new file mode 100644 index 0000000000..ea9c6ce61b --- /dev/null +++ b/modules/unistr/u8-strstr @@ -0,0 +1,24 @@ +Description: +Substring test for UTF-8 strings. + +Files: +lib/unistr/u8-strstr.c +lib/unistr/u-strstr.h + +Depends-on: +unistr/base + +configure.ac: + +Makefile.am: +lib_SOURCES += unistr/u8-strstr.c + +Include: +"unistr.h" + +License: +LGPL + +Maintainer: +Bruno Haible + |