Add printf format attributes & fix the warnings.

tools/winebuild/build.h

@@ -126,14 +126,22 @@ typedef struct
 
 /* global functions */
 
+#ifndef __GNUC__
+#define __attribute__(X)
+#endif
+
 extern void *xmalloc (size_t size);
 extern void *xrealloc (void *ptr, size_t size);
 extern char *xstrdup( const char *str );
 extern char *strupper(char *s);
-extern void fatal_error( const char *msg, ... );
-extern void fatal_perror( const char *msg, ... );
-extern void error( const char *msg, ... );
-extern void warning( const char *msg, ... );
+extern void fatal_error( const char *msg, ... )
+   __attribute__ ((__format__ (__printf__, 1, 2)));
+extern void fatal_perror( const char *msg, ... )
+   __attribute__ ((__format__ (__printf__, 1, 2)));
+extern void error( const char *msg, ... )
+   __attribute__ ((__format__ (__printf__, 1, 2)));
+extern void warning( const char *msg, ... )
+   __attribute__ ((__format__ (__printf__, 1, 2)));
 extern void output_standard_file_header( FILE *outfile );
 extern FILE *open_input_file( const char *srcdir, const char *name );
 extern void close_input_file( FILE *file );

tools/winebuild/res16.c

@@ -173,7 +173,7 @@ void load_res16_file( const char *name )
 
     if ((fd = open( name, O_RDONLY )) == -1) fatal_perror( "Cannot open %s", name );
     if ((fstat( fd, &st ) == -1)) fatal_perror( "Cannot stat %s", name );
-    if (!st.st_size) fatal_error( "%s is an empty file\n" );
+    if (!st.st_size) fatal_error( "%s is an empty file\n", name );
 #ifdef	HAVE_MMAP
     if ((base = mmap( NULL, st.st_size, PROT_READ, MAP_PRIVATE, fd, 0 )) == (void*)-1)
 #endif	/* HAVE_MMAP */

tools/winebuild/res32.c

@@ -216,7 +216,7 @@ int load_res32_file( const char *name )
 
     if ((fd = open( name, O_RDONLY )) == -1) fatal_perror( "Cannot open %s", name );
     if ((fstat( fd, &st ) == -1)) fatal_perror( "Cannot stat %s", name );
-    if (!st.st_size) fatal_error( "%s is an empty file\n" );
+    if (!st.st_size) fatal_error( "%s is an empty file\n", name );
 #ifdef	HAVE_MMAP
     if ((base = mmap( NULL, st.st_size, PROT_READ, MAP_PRIVATE, fd, 0 )) == (void*)-1)
 #endif	/* HAVE_MMAP */