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[PATCH v2 08/25] upload-pack: use skip_prefix() instead of starts_with() when possible

From
Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Date
Feb 4, 2016, 09:03 UTC
Message-ID
<1454576641-29615-9-git-send-email-pclouds@gmail.com>
In-Reply-To
<1454576641-29615-1-git-send-email-pclouds@gmail.com>
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
---
 upload-pack.c | 26 +++++++++++++++-----------
 1 file changed, 15 insertions(+), 11 deletions(-)
diff --git a/upload-pack.c b/upload-pack.c
index bfb7985..257ad48 100644
--- a/upload-pack.c
+++ b/upload-pack.c
@@ -276,7 +276,7 @@ static void create_pack_file(void)
 	die("git upload-pack: %s", abort_msg);
 }
 
-static int got_sha1(char *hex, unsigned char *sha1)
+static int got_sha1(const char *hex, unsigned char *sha1)
 {
 	struct object *o;
 	int we_knew_they_have = 0;
@@ -382,6 +382,8 @@ static int get_common_commits(void)
 
 	for (;;) {
 		char *line = packet_read_line(0, NULL);
+		const char *arg;
+
 		reset_timeout();
 
 		if (!line) {
@@ -403,8 +405,8 @@ static int get_common_commits(void)
 			got_other = 0;
 			continue;
 		}
-		if (starts_with(line, "have ")) {
-			switch (got_sha1(line+5, sha1)) {
+		if (skip_prefix(line, "have ", &arg)) {
+			switch (got_sha1(arg, sha1)) {
 			case -1: /* they have what we do not */
 				got_other = 1;
 				if (multi_ack && ok_to_give_up()) {
@@ -616,14 +618,16 @@ static void receive_needs(void)
 		const char *features;
 		unsigned char sha1_buf[20];
 		char *line = packet_read_line(0, NULL);
+		const char *arg;
+
 		reset_timeout();
 		if (!line)
 			break;
 
-		if (starts_with(line, "shallow ")) {
+		if (skip_prefix(line, "shallow ", &arg)) {
 			unsigned char sha1[20];
 			struct object *object;
-			if (get_sha1_hex(line + 8, sha1))
+			if (get_sha1_hex(arg, sha1))
 				die("invalid shallow line: %s", line);
 			object = parse_object(sha1);
 			if (!object)
@@ -636,19 +640,19 @@ static void receive_needs(void)
 			}
 			continue;
 		}
-		if (starts_with(line, "deepen ")) {
+		if (skip_prefix(line, "deepen ", &arg)) {
 			char *end;
-			depth = strtol(line + 7, &end, 0);
-			if (end == line + 7 || depth <= 0)
+			depth = strtol(arg, &end, 0);
+			if (end == arg || depth <= 0)
 				die("Invalid deepen: %s", line);
 			continue;
 		}
-		if (!starts_with(line, "want ") ||
-		    get_sha1_hex(line+5, sha1_buf))
+		if (!skip_prefix(line, "want ", &arg) ||
+		    get_sha1_hex(arg, sha1_buf))
 			die("git upload-pack: protocol error, "
 			    "expected to get sha, not '%s'", line);
 
-		features = line + 45;
+		features = arg + 40;
 
 		if (parse_feature_request(features, "multi_ack_detailed"))
 			multi_ack = 2;
-- 
2.7.0.377.g4cd97dd
Previous: Junio C HamanoNext: Junio C Hamano
Message 17 of 63 in “More flexibility in making shallow clones”
  1. 00/25 More flexibility in making shallow clonesNguyễn Thái Ngọc Duy, Feb 4, 2016
  2. 01/25 remote-curl.c: convert fetch_git() to use argv_arrayNguyễn Thái Ngọc Duy, Feb 4, 2016
  3. Junio C HamanoFeb 4, 2016
  4. 02/25 transport-helper.c: refactor set_helper_option()Nguyễn Thái Ngọc Duy, Feb 4, 2016
  5. Junio C HamanoFeb 4, 2016
  6. 03/25 transport-helper.c: do not send null option to remote helperNguyễn Thái Ngọc Duy, Feb 4, 2016
  7. Junio C HamanoFeb 4, 2016
  8. Duy NguyenFeb 6, 2016
  9. Junio C HamanoFeb 8, 2016
  10. 04/25 upload-pack: move shallow deepen code out of receive_needs()Nguyễn Thái Ngọc Duy, Feb 4, 2016
  11. Junio C HamanoFeb 4, 2016
  12. 05/25 upload-pack: move "shallow" sending code out of deepen()Nguyễn Thái Ngọc Duy, Feb 4, 2016
  13. 06/25 upload-pack: remove unused variable "backup"Nguyễn Thái Ngọc Duy, Feb 4, 2016
  14. Junio C HamanoFeb 4, 2016
  15. 07/25 upload-pack: move "unshallow" sending code out of deepen()Nguyễn Thái Ngọc Duy, Feb 4, 2016
  16. Junio C HamanoFeb 4, 2016
  17. 08/25 upload-pack: use skip_prefix() instead of starts_with() when possibleNguyễn Thái Ngọc Duy, Feb 4, 2016
  18. Junio C HamanoFeb 4, 2016
  19. 09/25 upload-pack: tighten number parsing at "deepen" linesNguyễn Thái Ngọc Duy, Feb 4, 2016
  20. Junio C HamanoFeb 4, 2016
  21. Duy NguyenFeb 15, 2016
  22. 10/25 upload-pack: move rev-list code out of check_non_tip()Nguyễn Thái Ngọc Duy, Feb 4, 2016
  23. 11/25 fetch-pack: use skip_prefix() instead of starts_with() when possibleNguyễn Thái Ngọc Duy, Feb 4, 2016
  24. Junio C HamanoFeb 4, 2016
  25. 12/25 fetch-pack: use a common function for verbose printingNguyễn Thái Ngọc Duy, Feb 4, 2016
  26. Junio C HamanoFeb 5, 2016
  27. Eric SunshineFeb 5, 2016
  28. 13/25 fetch-pack: use a separate flag for fetch in deepening modeNguyễn Thái Ngọc Duy, Feb 4, 2016
  29. Junio C HamanoFeb 5, 2016
  30. Eric SunshineFeb 5, 2016
  31. 14/25 shallow.c: implement a generic shallow boundary finder based on rev-listNguyễn Thái Ngọc Duy, Feb 4, 2016
  32. Junio C HamanoFeb 8, 2016
  33. Duy NguyenFeb 15, 2016
  34. Duy NguyenFeb 19, 2016
  35. 15/25 upload-pack: add deepen-since to cut shallow repos based on timeNguyễn Thái Ngọc Duy, Feb 4, 2016
  36. Junio C HamanoFeb 8, 2016
  37. 16/25 fetch: define shallow boundary with --shallow-sinceNguyễn Thái Ngọc Duy, Feb 4, 2016
  38. 17/25 clone: define shallow clone boundary based on time with --shallow-sinceNguyễn Thái Ngọc Duy, Feb 4, 2016
  39. Junio C HamanoFeb 8, 2016
  40. 18/25 t5500, t5539: tests for shallow depth since a specific dateNguyễn Thái Ngọc Duy, Feb 4, 2016
  41. Junio C HamanoFeb 8, 2016
  42. Duy NguyenFeb 15, 2016
  43. 19/25 refs: add expand_ref()Nguyễn Thái Ngọc Duy, Feb 4, 2016
  44. Junio C HamanoFeb 8, 2016
  45. 20/25 upload-pack: support define shallow boundary by excluding revisionsNguyễn Thái Ngọc Duy, Feb 4, 2016
  46. Eric SunshineFeb 5, 2016
  47. Junio C HamanoFeb 8, 2016
  48. Eric SunshineFeb 5, 2016
  49. Duy NguyenFeb 15, 2016
  50. 21/25 fetch: define shallow boundary with --shallow-excludeNguyễn Thái Ngọc Duy, Feb 4, 2016
  51. Eric SunshineFeb 5, 2016
  52. Duy NguyenFeb 15, 2016
  53. Eric SunshineFeb 15, 2016
  54. Eric SunshineFeb 15, 2016
  55. Duy NguyenFeb 15, 2016
  56. Eric SunshineFeb 19, 2016
  57. 22/25 clone: define shallow clone boundary with --shallow-excludeNguyễn Thái Ngọc Duy, Feb 4, 2016
  58. 23/25 t5500, t5539: tests for shallow depth excluding a refNguyễn Thái Ngọc Duy, Feb 4, 2016
  59. 24/25 upload-pack: make check_reachable_object() return unreachable list if askedNguyễn Thái Ngọc Duy, Feb 4, 2016
  60. Eric SunshineFeb 5, 2016
  61. 25/25 fetch, upload-pack: --deepen=N extends shallow boundary by N commitsNguyễn Thái Ngọc Duy, Feb 4, 2016
  62. Junio C HamanoFeb 8, 2016
  63. Duy NguyenFeb 12, 2016

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