global: fix libc constness warnings

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

5 files changed, 10 insertions, 7 deletions

diff --git a/filter.c b/filter.c
index cb01d32..c778d05 100644
--- a/filter.c
+++ b/filter.c
@@ -402,7 +402,7 @@ static const struct {
 
 struct cgit_filter *cgit_new_filter(const char *cmd, filter_type filtertype)
 {
-	char *colon;
+	const char *colon;
 	int i;
 	size_t len;
 	int argument_count;
diff --git a/parsing.c b/parsing.c
index 115ce81..bdaed25 100644
--- a/parsing.c
+++ b/parsing.c
@@ -19,7 +19,7 @@
  */
 void cgit_parse_url(const char *url)
 {
-	char *c, *cmd, *p;
+	char *c, *cmd, *p, *buf;
 	struct cgit_repo *repo;
 
 	if (!url || url[0] == '\0')
@@ -32,11 +32,12 @@ void cgit_parse_url(const char *url)
 		return;
 	}
 
+	buf = xstrdup(url);
 	cmd = NULL;
-	c = strchr(url, '/');
+	c = strchr(buf, '/');
 	while (c) {
 		c[0] = '\0';
-		repo = cgit_get_repoinfo(url);
+		repo = cgit_get_repoinfo(buf);
 		if (repo) {
 			ctx.repo = repo;
 			cmd = c;
@@ -56,6 +57,7 @@ void cgit_parse_url(const char *url)
 		if (cmd[1])
 			ctx.qry.page = xstrdup(cmd + 1);
 	}
+	free(buf);
 }
 
 static char *substr(const char *head, const char *tail)
diff --git a/shared.c b/shared.c
index 8173eb8..a39394d 100644
--- a/shared.c
+++ b/shared.c
@@ -551,7 +551,8 @@ char *expand_macros(const char *txt)
 
 char *get_mimetype_for_filename(const char *filename)
 {
-	char *ext, *mimetype, line[1024];
+	const char *ext;
+	char *mimetype, line[1024];
 	struct string_list list = STRING_LIST_INIT_NODUP;
 	int i;
 	FILE *file;
diff --git a/ui-blame.c b/ui-blame.c
index 9c575ef..5c6f36e 100644
--- a/ui-blame.c
+++ b/ui-blame.c
@@ -263,7 +263,7 @@ static int walk_tree(const struct object_id *oid, struct strbuf *base,
 
 static int basedir_len(const char *path)
 {
-	char *p = strrchr(path, '/');
+	const char *p = strrchr(path, '/');
 	if (p)
 		return p - path + 1;
 	return 0;
diff --git a/ui-plain.c b/ui-plain.c
index 0301439..a2a4087 100644
--- a/ui-plain.c
+++ b/ui-plain.c
@@ -157,7 +157,7 @@ static int walk_tree(const struct object_id *oid, struct strbuf *base,
 
 static int basedir_len(const char *path)
 {
-	char *p = strrchr(path, '/');
+	const char *p = strrchr(path, '/');
 	if (p)
 		return p - path + 1;
 	return 0;