local synctex change: _synctex_error has a printf-like format, so use the proper gcc extensions to check its arguments (doing nothing for other compilers)

add the change as local patch 04-gcc-specify-printf-format.diff

svn path=/trunk/KDE/kdegraphics/okular/; revision=1003104

generators/poppler/synctex/patches/04-gcc-specify-printf-format.diff

@@ -0,0 +1,26 @@
+Index: synctex/synctex_parser_utils.h
+===================================================================
+--- synctex.orig/synctex_parser_utils.h	2009-07-27 19:10:23.000000000 +0200
++++ synctex/synctex_parser_utils.h	2009-07-27 19:13:43.000000000 +0200
+@@ -58,6 +58,12 @@
+ #		define SYNCTEX_IS_PATH_SEPARATOR(c) ('/' == c)
+ #	endif
+ 
++#	ifdef __GNUC__
++#		define SYNCTEX_PRINTF_FORMAT(si, ftc) __attribute__ ((format (printf, si, ftc)))
++#	else
++#		define SYNCTEX_PRINTF_FORMAT(si, ftc)
++#	endif
++
+ /*  This custom malloc functions initializes to 0 the newly allocated memory.
+  *  There is no bzero function on windows. */
+ void *_synctex_malloc(size_t size);
+@@ -65,7 +71,7 @@
+ /*  This is used to log some informational message to the standard error stream.
+  *  On Windows, the stderr stream is not exposed and another method is used.
+  *	The return value is the number of characters printed.	*/
+-int _synctex_error(const char * reason,...);
++int _synctex_error(const char * reason,...) SYNCTEX_PRINTF_FORMAT(1, 2);
+ 
+ /*  strip the last extension of the given string, this string is modified!
+  *  This function depends on the OS because the path separator may differ.

generators/poppler/synctex/patches/series

@@ -1,3 +1,4 @@
 01-fix-win32-define.diff
 02-fix-_synctex_error.diff
 03-fix-_synctex_scan_named.diff
+04-gcc-specify-printf-format.diff

generators/poppler/synctex/synctex_parser_utils.h

@@ -58,6 +58,12 @@ extern "C" {
 #		define SYNCTEX_IS_PATH_SEPARATOR(c) ('/' == c)
 #	endif
 
+#	ifdef __GNUC__
+#		define SYNCTEX_PRINTF_FORMAT(si, ftc) __attribute__ ((format (printf, si, ftc)))
+#	else
+#		define SYNCTEX_PRINTF_FORMAT(si, ftc)
+#	endif
+
 /*  This custom malloc functions initializes to 0 the newly allocated memory.
  *  There is no bzero function on windows. */
 void *_synctex_malloc(size_t size);
@@ -65,7 +71,7 @@ void *_synctex_malloc(size_t size);
 /*  This is used to log some informational message to the standard error stream.
  *  On Windows, the stderr stream is not exposed and another method is used.
  *	The return value is the number of characters printed.	*/
-int _synctex_error(const char * reason,...);
+int _synctex_error(const char * reason,...) SYNCTEX_PRINTF_FORMAT(1, 2);
 
 /*  strip the last extension of the given string, this string is modified!
  *  This function depends on the OS because the path separator may differ.