From 9d36aad4571b288f5208d35425e1720c6f145376 Mon Sep 17 00:00:00 2001 From: Alexandre Julliard <julliard@winehq.org> Date: Fri, 15 Dec 2017 10:48:48 +0100 Subject: [PATCH] libport: Add a replacement implementation for strnlen. Signed-off-by: Alexandre Julliard <julliard@winehq.org> --- configure | 1 + configure.ac | 1 + include/config.h.in | 3 +++ include/wine/port.h | 5 +++++ libs/port/Makefile.in | 1 + libs/port/strnlen.c | 31 +++++++++++++++++++++++++++++++ 6 files changed, 42 insertions(+) create mode 100644 libs/port/strnlen.c diff --git a/configure b/configure index 95c367cb4cf..132499b7db2 100755 --- a/configure +++ b/configure @@ -15747,6 +15747,7 @@ for ac_func in \ strdup \ strerror \ strncasecmp \ + strnlen \ strtold \ strtoll \ strtoull \ diff --git a/configure.ac b/configure.ac index 00413bcba2d..62ad8db4e91 100644 --- a/configure.ac +++ b/configure.ac @@ -2125,6 +2125,7 @@ AC_CHECK_FUNCS(\ strdup \ strerror \ strncasecmp \ + strnlen \ strtold \ strtoll \ strtoull \ diff --git a/include/config.h.in b/include/config.h.in index aff5f35033b..9224837393a 100644 --- a/include/config.h.in +++ b/include/config.h.in @@ -921,6 +921,9 @@ /* Define to 1 if you have the `strncasecmp' function. */ #undef HAVE_STRNCASECMP +/* Define to 1 if you have the `strnlen' function. */ +#undef HAVE_STRNLEN + /* Define to 1 if you have the <stropts.h> header file. */ #undef HAVE_STROPTS_H diff --git a/include/wine/port.h b/include/wine/port.h index addece04484..fb7251edd6c 100644 --- a/include/wine/port.h +++ b/include/wine/port.h @@ -344,6 +344,10 @@ int strncasecmp(const char *str1, const char *str2, size_t n); # endif #endif /* !defined(HAVE_STRNCASECMP) */ +#ifndef HAVE_STRNLEN +size_t strnlen( const char *str, size_t maxlen ); +#endif /* !defined(HAVE_STRNLEN) */ + #ifndef HAVE_STRERROR const char *strerror(int err); #endif /* !defined(HAVE_STRERROR) */ @@ -538,6 +542,7 @@ extern __int64 interlocked_cmpxchg64( __int64 *dest, __int64 xchg, __int64 compa #define strcasecmp __WINE_NOT_PORTABLE(strcasecmp) #define strerror __WINE_NOT_PORTABLE(strerror) #define strncasecmp __WINE_NOT_PORTABLE(strncasecmp) +#define strnlen __WINE_NOT_PORTABLE(strnlen) #define usleep __WINE_NOT_PORTABLE(usleep) #endif /* NO_LIBWINE_PORT */ diff --git a/libs/port/Makefile.in b/libs/port/Makefile.in index 7fefda150a7..c87b99de6d0 100644 --- a/libs/port/Makefile.in +++ b/libs/port/Makefile.in @@ -102,6 +102,7 @@ C_SRCS = \ strcasecmp.c \ strerror.c \ strncasecmp.c \ + strnlen.c \ symlink.c \ usleep.c \ utf8.c \ diff --git a/libs/port/strnlen.c b/libs/port/strnlen.c new file mode 100644 index 00000000000..ab6668d3466 --- /dev/null +++ b/libs/port/strnlen.c @@ -0,0 +1,31 @@ +/* + * strnlen function + * + * Copyright 2017 Alexandre Julliard + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA + */ + +#include "config.h" +#include "wine/port.h" + +#ifndef HAVE_STRNLEN +size_t strnlen( const char *str, size_t maxlen ) +{ + const char *ptr = memchr( str, 0, maxlen ); + if (!ptr) return maxlen; + return ptr - str; +} +#endif /* HAVE_STRNLEN */ -- GitLab