[PATCH 4/4] Replace pointer arithmetic with strbuf

["Vasyl' Vavrychuk" <vvavrychuk@xxxxxxxxx>]

Signed-off-by: Vasyl' Vavrychuk <vvavrychuk@xxxxxxxxx>
---
 builtin/fetch.c |   21 ++++++++++++---------
 1 files changed, 12 insertions(+), 9 deletions(-)

diff --git a/builtin/fetch.c b/builtin/fetch.c
index ddb40c6..eaea475 100644
--- a/builtin/fetch.c
+++ b/builtin/fetch.c
@@ -342,8 +342,9 @@ static int store_updated_refs(const char *raw_url, const char *remote_name,
 {
 	FILE *fp;
 	struct commit *commit;
-	int i, note_len, shown_url = 0, rc = 0;
-	char note[1024], display[1024];
+	int i, shown_url = 0, rc = 0;
+	struct strbuf note = STRBUF_INIT;
+	char display[1024];
 	const char *what, *kind;
 	struct ref *rm;
 	char *url, *filename = dry_run ? "/dev/null" : git_path("FETCH_HEAD");
@@ -394,19 +395,20 @@ static int store_updated_refs(const char *raw_url, const char *remote_name,
 			what = rm->name;
 		}
 
-		note_len = 0;
 		if (*what) {
-			if (*kind)
-				note_len += sprintf(note + note_len, "%s ",
-						    kind);
-			note_len += sprintf(note + note_len, "'%s' of ", what);
+			if (*kind) {
+				strbuf_addstr(&note, kind);
+				strbuf_addch(&note, ' ');
+			}
+			strbuf_addf(&note, "'%s' of ", what);
 		}
-		note[note_len] = '\0';
 		fprintf(fp, "%s\t%s\t%s",
 			sha1_to_hex(commit ? commit->object.sha1 :
 				    rm->old_sha1),
 			rm->merge ? "" : "not-for-merge",
-			note);
+			note.buf);
+		strbuf_reset(&note);
+
 		for (i = 0; url[i]; ++i)
 			if ('\n' == url[i])
 				fputs("\\n", fp);
@@ -431,6 +433,7 @@ static int store_updated_refs(const char *raw_url, const char *remote_name,
 				fprintf(stderr, " %s\n", display);
 		}
 	}
+	strbuf_release(&note);
 	free(url);
 	fclose(fp);
 	if (rc & STORE_REF_ERROR_DF_CONFLICT)
-- 
1.7.1

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