diff.c: make constant string arguments const

johnkeeping · gitster · commit 32b367e4441f · 2013-02-12T11:42:07.000-08:00
Signed-off-by: John Keeping &lt;john@keeping.me.uk&gt;
Signed-off-by: Junio C Hamano &lt;gitster@pobox.com&gt;
diff --git a/diff.c b/diff.c
@@ -2123,7 +2123,8 @@ static unsigned char *deflate_it(char *data,
 	return deflated;
 }
 
-static void emit_binary_diff_body(FILE *file, mmfile_t *one, mmfile_t *two, char *prefix)
+static void emit_binary_diff_body(FILE *file, mmfile_t *one, mmfile_t *two,
+				  const char *prefix)
 {
 	void *cp;
 	void *delta;
@@ -2184,7 +2185,8 @@ static void emit_binary_diff_body(FILE *file, mmfile_t *one, mmfile_t *two, char
 	free(data);
 }
 
-static void emit_binary_diff(FILE *file, mmfile_t *one, mmfile_t *two, char *prefix)
+static void emit_binary_diff(FILE *file, mmfile_t *one, mmfile_t *two,
+			     const char *prefix)
 {
 	fprintf(file, "%sGIT binary patch\n", prefix);
 	emit_binary_diff_body(file, one, two, prefix);

Original file line number	Diff line number	Diff line change
`@@ -2123,7 +2123,8 @@ static unsigned char deflate_it(char data,`
`2123`	`2123`	`return deflated;`
`2124`	`2124`	`}`
`2125`	`2125`
`2126`		`-static void emit_binary_diff_body(FILE file, mmfile_t one, mmfile_t two, char prefix)`
	`2126`	`+static void emit_binary_diff_body(FILE file, mmfile_t one, mmfile_t *two,`
	`2127`	`+ const char *prefix)`
`2127`	`2128`	`{`
`2128`	`2129`	`void *cp;`
`2129`	`2130`	`void *delta;`
`@@ -2184,7 +2185,8 @@ static void emit_binary_diff_body(FILE file, mmfile_t one, mmfile_t *two, char`
`2184`	`2185`	`free(data);`
`2185`	`2186`	`}`
`2186`	`2187`
`2187`		`-static void emit_binary_diff(FILE file, mmfile_t one, mmfile_t two, char prefix)`
	`2188`	`+static void emit_binary_diff(FILE file, mmfile_t one, mmfile_t *two,`
	`2189`	`+ const char *prefix)`
`2188`	`2190`	`{`
`2189`	`2191`	`fprintf(file, "%sGIT binary patch\n", prefix);`
`2190`	`2192`	`emit_binary_diff_body(file, one, two, prefix);`