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authorUlrich Drepper <drepper@redhat.com>2007-10-04 17:49:25 +0000
committerUlrich Drepper <drepper@redhat.com>2007-10-04 17:49:25 +0000
commitfae56ce808e36e8112d15189bf4337b3a39ee683 (patch)
tree5c2525b2440c851fb0bfc9357761a6d4a7b74b7b /misc
parentb632f9a81640db676905250257e677b415c963f9 (diff)
downloadglibc-fae56ce808e36e8112d15189bf4337b3a39ee683.tar.gz
Specializations of error functions.
Diffstat (limited to 'misc')
-rw-r--r--misc/bits/error.h72
1 files changed, 72 insertions, 0 deletions
diff --git a/misc/bits/error.h b/misc/bits/error.h
new file mode 100644
index 0000000000..7089768c3b
--- /dev/null
+++ b/misc/bits/error.h
@@ -0,0 +1,72 @@
+/* Specializations for error functions.
+ Copyright (C) 2007 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C 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.
+
+ The GNU C 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 the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#ifndef _ERROR_H
+# error "Never include <bits/error2.h> directly; use <error.h> instead."
+#endif
+
+
+extern void __REDIRECT (__error_alias, (int __status, int __errnum,
+ const char *__format, ...),
+ error)
+ __attribute__ ((__format__ (__printf__, 3, 4)));
+extern void __REDIRECT (__error_noreturn, (int __status, int __errnum,
+ const char *__format, ...),
+ error)
+ __attribute__ ((__noreturn__, __format__ (__printf__, 3, 4)));
+
+
+/* If we know the function will never return make sure the compiler
+ realizes that, too. */
+__extern_always_inline void
+error (int __status, int __errnum, const char *__format, ...)
+{
+ if (__builtin_constant_p (__status) && __status != 0)
+ __error_noreturn (__status, __errnum, __format, __va_arg_pack ());
+ else
+ __error_alias (__status, __errnum, __format, __va_arg_pack ());
+}
+
+
+extern void __REDIRECT (__error_at_line_alias, (int __status, int __errnum,
+ const char *__fname,
+ unsigned int __line,
+ const char *__format, ...),
+ error_at_line)
+ __attribute__ ((__format__ (__printf__, 5, 6)));
+extern void __REDIRECT (__error_at_line_noreturn, (int __status, int __errnum,
+ const char *__fname,
+ unsigned int __line,
+ const char *__format, ...),
+ error_at_line)
+ __attribute__ ((__noreturn__, __format__ (__printf__, 5, 6)));
+
+
+/* If we know the function will never return make sure the compiler
+ realizes that, too. */
+__extern_always_inline void
+error_at_line (int __status, int __errnum, const char *__format, ...)
+{
+ if (__builtin_constant_p (__status) && __status != 0)
+ __error_at_line_noreturn (__status, __errnum, __fname, __line, __format,
+ __va_arg_pack ());
+ else
+ __error_at_line_alias (__status, __errnum, __fname, __line,
+ __format, __va_arg_pack ());
+}