name-rev.c: use strbuf_getline instead of limited size buffer

Using a buffer limited to 2048 is unnecessarily limiting. Switch to
using a string buffer to read in stdin for annotation.

Signed-off-by: "John Cai" <[email protected]>
Signed-off-by: Junio C Hamano <[email protected]>

Author: john-cai

builtin/name-rev.c

@@ -623,14 +623,13 @@ int cmd_name_rev(int argc, const char **argv, const char *prefix)
 	name_tips();
 
 	if (annotate_stdin) {
-		char buffer[2048];
+		struct strbuf sb = STRBUF_INIT;
 
-		while (!feof(stdin)) {
-			char *p = fgets(buffer, sizeof(buffer), stdin);
-			if (!p)
-				break;
-			name_rev_line(p, &data);
+		while (strbuf_getline(&sb, stdin) != EOF) {
+			strbuf_addch(&sb, '\n');
+			name_rev_line(sb.buf, &data);
 		}
+		strbuf_release(&sb);
 	} else if (all) {
 		int i, max;