uml: don't use a too long string literal

uml uses a concatenated string literal to store the contents of .config, but .config file content is varaible, it can be very long. Use an array of string literals instead. Signed-off-by: WANG Cong <[email protected]> Cc: Jeff Dike <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
faux123 · Apr 1, 2009 · dc71768 · dc71768
1 parent 792dd4f
commit dc71768
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Showing 2 changed files with 9 additions and 5 deletions.
diff --git a/arch/um/kernel/Makefile b/arch/um/kernel/Makefile
@@ -28,17 +28,17 @@ $(obj)/config.tmp: $(objtree)/.config FORCE
 	$(call if_changed,quote1)
 
 quiet_cmd_quote1 = QUOTE   $@
-      cmd_quote1 = sed -e 's/"/\\"/g' -e 's/^/"/' -e 's/$$/\\n"/' \
+      cmd_quote1 = sed -e 's/"/\\"/g' -e 's/^/"/' -e 's/$$/\\n",/' \
 		   $< > $@
 
 $(obj)/config.c: $(src)/config.c.in $(obj)/config.tmp FORCE
 	$(call if_changed,quote2)
 
 quiet_cmd_quote2 = QUOTE   $@
       cmd_quote2 = sed -e '/CONFIG/{'          \
-		  -e 's/"CONFIG"\;/""/'        \
+		  -e 's/"CONFIG"//'            \
 		  -e 'r $(obj)/config.tmp'     \
 		  -e 'a \'                     \
-		  -e '""\;'                    \
+		  -e '""'                      \
 		  -e '}'                       \
 		  $< > $@
diff --git a/arch/um/kernel/config.c.in b/arch/um/kernel/config.c.in
@@ -7,11 +7,15 @@
 #include <stdlib.h>
 #include "init.h"
 
-static __initdata char *config = "CONFIG";
+static __initdata const char *config[] = {
+"CONFIG"
+};
 
 static int __init print_config(char *line, int *add)
 {
-	printf("%s", config);
+	int i;
+	for (i = 0; i < sizeof(config)/sizeof(config[0]); i++)
+		printf("%s", config[i]);
 	exit(0);
 }