1 file changed, 8 insertions, 10 deletions

diff --git a/source/ui-log.c b/source/ui-log.c
index bbfeb67..5b5dd32 100644
--- a/source/ui-log.c
+++ b/source/ui-log.c
@@ -337,7 +337,7 @@ static char *next_token(char **src)
 {
 	char *token;
 
-	if (!src || !*src)
+	if (!*src)
 		return NULL;
 	while (isspace((unsigned char)**src))
 		(*src)++;
@@ -398,7 +398,6 @@ void cgit_print_commit_decorations(struct commit *commit)
 	const struct name_decoration *deco;
 	static char buf[1024];
 
-	buf[sizeof(buf) - 1] = 0;
 	deco = get_name_decoration(&commit->object);
 	if (!deco)
 		return;
@@ -463,10 +462,9 @@ void cgit_print_log(const char *tip, int ofs, int cnt, char *grep,
 	tip = disambiguate_ref(tip, &must_free_tip);
 	if (tip && tip[0] == '-') {
 		// setup_revisions() reads a leading-dash argument as an
-		// option, so a tip arriving as the id= value "--output=<path>"
-		// would be handled by git as a request to write an arbitrary
-		// file. No valid ref or object name begins with a dash, so
-		// refuse it.
+		// option, so a tip like "--output=<path>" would become a
+		// request to write an arbitrary file. No valid ref or object
+		// name begins with a dash, so refuse it.
 		cgit_print_error_page(400, "Bad Request", "Invalid revision");
 		if (must_free_tip)
 			free((char *)tip);
@@ -484,10 +482,10 @@ void cgit_print_log(const char *tip, int ofs, int cnt, char *grep,
 			char *arg;
 
 			// Each whitespace separated token is taken as a
-			// revision expression and nothing else, since anything
-			// starting with a dash would reach setup_revisions as
-			// a rev-list option. The tip pushed above goes away
-			// because the range supersedes it.
+			// revision expression only, since a leading dash
+			// would reach setup_revisions as a rev-list option.
+			// The tip pushed above goes away, since the range
+			// supersedes it.
 			strvec_pop(&rev_argv);
 			while ((arg = next_token(&pattern))) {
 				if (*arg == '-') {