X-Git-Url: https://git.cameronkatri.com/cgit.git/blobdiff_plain/e3d3fffdd447cdb4551549faae65bae5353a2cab..a22855747e97e55a7b7a2622fe671b8ca9af0981:/ui-ssdiff.c

diff --git a/ui-ssdiff.c b/ui-ssdiff.c
index 2146c71..c456033 100644
--- a/ui-ssdiff.c
+++ b/ui-ssdiff.c
@@ -92,7 +92,7 @@ static char *longest_common_subsequence(char *A, char *B)
 static int line_from_hunk(char *line, char type)
 {
 	char *buf1, *buf2;
-	int len;
+	int len, res;
 
 	buf1 = strchr(line, type);
 	if (buf1 == NULL)
@@ -103,9 +103,8 @@ static int line_from_hunk(char *line, char type)
 		return 0;
 	len = buf2 - buf1;
 	buf2 = xmalloc(len + 1);
-	strncpy(buf2, buf1, len);
-	buf2[len] = '\0';
-	int res = atoi(buf2);
+	strlcpy(buf2, buf1, len + 1);
+	res = atoi(buf2);
 	free(buf2);
 	return res;
 }
@@ -114,11 +113,11 @@ static char *replace_tabs(char *line)
 {
 	char *prev_buf = line;
 	char *cur_buf;
-	int linelen = strlen(line);
+	size_t linelen = strlen(line);
 	int n_tabs = 0;
 	int i;
 	char *result;
-	char *spaces = "        ";
+	int result_len;
 
 	if (linelen == 0) {
 		result = xmalloc(1);
@@ -126,20 +125,24 @@ static char *replace_tabs(char *line)
 		return result;
 	}
 
-	for (i = 0; i < linelen; i++)
+	for (i = 0; i < linelen; i++) {
 		if (line[i] == '\t')
 			n_tabs += 1;
-	result = xmalloc(linelen + n_tabs * 8 + 1);
+	}
+	result_len = linelen + n_tabs * 8;
+	result = xmalloc(result_len + 1);
 	result[0] = '\0';
 
-	while (1) {
+	for (;;) {
 		cur_buf = strchr(prev_buf, '\t');
 		if (!cur_buf) {
-			strcat(result, prev_buf);
+			strncat(result, prev_buf, result_len);
 			break;
 		} else {
 			strncat(result, prev_buf, cur_buf - prev_buf);
-			strncat(result, spaces, 8 - (strlen(result) % 8));
+			linelen = strlen(result);
+			memset(&result[linelen], ' ', 8 - (linelen % 8));
+			result[linelen + 8 - (linelen % 8)] = '\0';
 		}
 		prev_buf = cur_buf + 1;
 	}
@@ -229,12 +232,14 @@ static void print_ssdiff_line(char *class,
 	if (old_line_no > 0) {
 		struct diff_filespec *old_file = cgit_get_current_old_file();
 		char *lineno_str = fmt("n%d", old_line_no);
-		char *id_str = fmt("id=%s#%s", is_null_sha1(old_file->sha1)?"HEAD":sha1_to_hex(old_rev_sha1), lineno_str);
+		char *id_str = fmt("id=%s#%s", is_null_oid(&old_file->oid)?"HEAD":oid_to_hex(old_rev_oid), lineno_str);
+		char *fileurl = cgit_fileurl(ctx.repo->url, "tree", old_file->path, id_str);
 		html("<td class='lineno'><a href='");
-		html(cgit_fileurl(ctx.repo->url, "tree", old_file->path, id_str));
+		html(fileurl);
 		htmlf("' id='%s'>%s</a>", lineno_str, lineno_str + 1);
 		html("</td>");
 		htmlf("<td class='%s'>", class);
+		free(fileurl);
 	} else if (old_line)
 		htmlf("<td class='lineno'></td><td class='%s'>", class);
 	else
@@ -250,12 +255,14 @@ static void print_ssdiff_line(char *class,
 	if (new_line_no > 0) {
 		struct diff_filespec *new_file = cgit_get_current_new_file();
 		char *lineno_str = fmt("n%d", new_line_no);
-		char *id_str = fmt("id=%s#%s", is_null_sha1(new_file->sha1)?"HEAD":sha1_to_hex(new_rev_sha1), lineno_str);
+		char *id_str = fmt("id=%s#%s", is_null_oid(&new_file->oid)?"HEAD":oid_to_hex(new_rev_oid), lineno_str);
+		char *fileurl = cgit_fileurl(ctx.repo->url, "tree", new_file->path, id_str);
 		html("<td class='lineno'><a href='");
-		html(cgit_fileurl(ctx.repo->url, "tree", new_file->path, id_str));
+		html(fileurl);
 		htmlf("' id='%s'>%s</a>", lineno_str, lineno_str + 1);
 		html("</td>");
 		htmlf("<td class='%s'>", class);
+		free(fileurl);
 	} else if (new_line)
 		htmlf("<td class='lineno'></td><td class='%s'>", class);
 	else