diff options
Diffstat (limited to 'lib/stdio.in.h')
| -rw-r--r-- | lib/stdio.in.h | 41 |
1 files changed, 15 insertions, 26 deletions
diff --git a/lib/stdio.in.h b/lib/stdio.in.h index ce00af574a8..b1b543dee72 100644 --- a/lib/stdio.in.h +++ b/lib/stdio.in.h @@ -1,6 +1,6 @@ /* A GNU-like <stdio.h>. - Copyright (C) 2004, 2007-2011 Free Software Foundation, Inc. + Copyright (C) 2004, 2007-2012 Free Software Foundation, Inc. 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 @@ -13,8 +13,7 @@ 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, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + along with this program; if not, see <http://www.gnu.org/licenses/>. */ #if __GNUC__ >= 3 @PRAGMA_SYSTEM_HEADER@ @@ -53,7 +52,8 @@ #include <stddef.h> /* Get off_t and ssize_t. Needed on many systems, including glibc 2.8 - and eglibc 2.11.2. */ + and eglibc 2.11.2. + May also define off_t to a 64-bit type on native Windows. */ #include <sys/types.h> /* The __attribute__ feature is available in gcc versions 2.5 and later. @@ -186,7 +186,7 @@ _GL_CXXALIASWARN (fdopen); #elif defined GNULIB_POSIXCHECK # undef fdopen /* Assume fdopen is always declared. */ -_GL_WARN_ON_USE (fdopen, "fdopen on Win32 platforms is not POSIX compatible - " +_GL_WARN_ON_USE (fdopen, "fdopen on native Windows platforms is not POSIX compliant - " "use gnulib module fdopen for portability"); #endif @@ -259,7 +259,7 @@ _GL_CXXALIASWARN (fopen); #elif defined GNULIB_POSIXCHECK # undef fopen /* Assume fopen is always declared. */ -_GL_WARN_ON_USE (fopen, "fopen on Win32 platforms is not POSIX compatible - " +_GL_WARN_ON_USE (fopen, "fopen on native Windows platforms is not POSIX compliant - " "use gnulib module fopen for portability"); #endif @@ -387,7 +387,7 @@ _GL_CXXALIASWARN (freopen); # undef freopen /* Assume freopen is always declared. */ _GL_WARN_ON_USE (freopen, - "freopen on Win32 platforms is not POSIX compatible - " + "freopen on native Windows platforms is not POSIX compliant - " "use gnulib module freopen for portability"); #endif @@ -699,22 +699,11 @@ _GL_WARN_ON_USE (getline, "getline is unportable - " # endif #endif -#if @GNULIB_GETS@ -# if @REPLACE_STDIO_READ_FUNCS@ && @GNULIB_STDIO_H_NONBLOCKING@ -# if !(defined __cplusplus && defined GNULIB_NAMESPACE) -# undef gets -# define gets rpl_gets -# endif -_GL_FUNCDECL_RPL (gets, char *, (char *s) _GL_ARG_NONNULL ((1))); -_GL_CXXALIAS_RPL (gets, char *, (char *s)); -# else -_GL_CXXALIAS_SYS (gets, char *, (char *s)); -# undef gets -# endif -_GL_CXXALIASWARN (gets); /* It is very rare that the developer ever has full control of stdin, - so any use of gets warrants an unconditional warning. Assume it is - always declared, since it is required by C89. */ + so any use of gets warrants an unconditional warning; besides, C11 + removed it. */ +#undef gets +#if HAVE_RAW_DECL_GETS _GL_WARN_ON_USE (gets, "gets is a security hole - use fgets instead"); #endif @@ -779,7 +768,7 @@ _GL_CXXALIASWARN (pclose); #elif defined GNULIB_POSIXCHECK # undef pclose # if HAVE_RAW_DECL_PCLOSE -_GL_WARN_ON_USE (pclose, "popen is unportable - " +_GL_WARN_ON_USE (pclose, "pclose is unportable - " "use gnulib module pclose for more portability"); # endif #endif @@ -1054,9 +1043,9 @@ _GL_WARN_ON_USE (snprintf, "snprintf is unportable - " # endif #endif -/* Some people would argue that sprintf should be handled like gets - (for example, OpenBSD issues a link warning for both functions), - since both can cause security holes due to buffer overruns. +/* Some people would argue that all sprintf uses should be warned about + (for example, OpenBSD issues a link warning for it), + since it can cause security holes due to buffer overruns. However, we believe that sprintf can be used safely, and is more efficient than snprintf in those safe cases; and as proof of our belief, we use sprintf in several gnulib modules. So this header |