diff --git a/http-fetch.c b/http-fetch.c
index ad59f1cce6..3cd6ef91af 100644
--- a/http-fetch.c
+++ b/http-fetch.c
@@ -658,7 +658,7 @@ static int fetch_indices(struct alt_base *repo)
 		switch (data[i]) {
 		case 'P':
 			i++;
-			if (i + 52 < buffer.posn &&
+			if (i + 52 <= buffer.posn &&
 			    !strncmp(data + i, " pack-", 6) &&
 			    !strncmp(data + i + 46, ".pack\n", 6)) {
 				get_sha1_hex(data + i + 6, sha1);
@@ -667,7 +667,7 @@ static int fetch_indices(struct alt_base *repo)
 				break;
 			}
 		default:
-			while (data[i] != '\n')
+			while (i < buffer.posn && data[i] != '\n')
 				i++;
 		}
 		i++;
diff --git a/index-pack.c b/index-pack.c
index 785fe71a6f..d4ce3af587 100644
--- a/index-pack.c
+++ b/index-pack.c
@@ -440,7 +440,7 @@ int main(int argc, char **argv)
 		if (len < 5 || strcmp(pack_name + len - 5, ".pack"))
 			die("packfile name '%s' does not end with '.pack'",
 			    pack_name);
-		index_name_buf = xmalloc(len - 1);
+		index_name_buf = xmalloc(len);
 		memcpy(index_name_buf, pack_name, len - 5);
 		strcpy(index_name_buf + len - 5, ".idx");
 		index_name = index_name_buf;
diff --git a/quote.c b/quote.c
index 76eb144265..7218a7080d 100644
--- a/quote.c
+++ b/quote.c
@@ -126,8 +126,10 @@ static int quote_c_style_counted(const char *name, int namelen,
 
 	if (!no_dq)
 		EMIT('"');
-	for (sp = name; (ch = *sp++) && (sp - name) <= namelen; ) {
-
+	for (sp = name; sp < name + namelen; sp++) {
+		ch = *sp;
+		if (!ch)
+			break;
 		if ((ch < ' ') || (ch == '"') || (ch == '\\') ||
 		    (ch == 0177)) {
 			needquote = 1;
diff --git a/send-pack.c b/send-pack.c
index a41bbe5ecf..5bc2f017bc 100644
--- a/send-pack.c
+++ b/send-pack.c
@@ -272,7 +272,7 @@ static int send_pack(int in, int out, int nr_refspec, char **refspec)
 	packet_flush(out);
 	if (new_refs)
 		pack_objects(out, remote_refs);
-	else
+	else if (ret == 0)
 		fprintf(stderr, "Everything up-to-date\n");
 	close(out);
 	return ret;
diff --git a/server-info.c b/server-info.c
index df19e49b5b..05bce7da3b 100644
--- a/server-info.c
+++ b/server-info.c
@@ -99,7 +99,10 @@ static int read_pack_info_file(const char *infofile)
 	while (fgets(line, sizeof(line), fp)) {
 		int len = strlen(line);
 		if (line[len-1] == '\n')
-			line[len-1] = 0;
+			line[--len] = 0;
+
+		if (!len)
+			continue;
 
 		switch (line[0]) {
 		case 'P': /* P name */
@@ -200,6 +203,7 @@ static void write_pack_info_file(FILE *fp)
 	int i;
 	for (i = 0; i < num_pack; i++)
 		fprintf(fp, "P %s\n", info[i]->p->pack_name + objdirlen + 6);
+	fputc('\n', fp);
 }
 
 static int update_info_packs(int force)