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[PATCH v4 09/10] diffcore-pickaxe: "share" regex error handling code

From
Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Date
Aug 21, 2015, 12:47 UTC
Message-ID
<1440161240-28554-10-git-send-email-pclouds@gmail.com>
In-Reply-To
<1440161240-28554-1-git-send-email-pclouds@gmail.com>

There's another regcomp code block coming in this function. By moving the error handling code out of this block, we don't have to add the same error handling code in the new block.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
---
 diffcore-pickaxe.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/diffcore-pickaxe.c b/diffcore-pickaxe.c
index 185f86b..7a718fc 100644
--- a/diffcore-pickaxe.c
+++ b/diffcore-pickaxe.c
@@ -204,20 +204,13 @@ void diffcore_pickaxe(struct diff_options *o)
 	int opts = o->pickaxe_opts;
 	regex_t regex, *regexp = NULL;
 	kwset_t kws = NULL;
+	int err = 0;
 
 	if (opts & (DIFF_PICKAXE_REGEX | DIFF_PICKAXE_KIND_G)) {
-		int err;
 		int cflags = REG_EXTENDED | REG_NEWLINE;
 		if (DIFF_OPT_TST(o, PICKAXE_IGNORE_CASE))
 			cflags |= REG_ICASE;
 		err = regcomp(&regex, needle, cflags);
-		if (err) {
-			/* The POSIX.2 people are surely sick */
-			char errbuf[1024];
-			regerror(err, &regex, errbuf, 1024);
-			regfree(&regex);
-			die("invalid regex: %s", errbuf);
-		}
 		regexp = &regex;
 	} else {
 		kws = kwsalloc(DIFF_OPT_TST(o, PICKAXE_IGNORE_CASE)
@@ -225,6 +218,13 @@ void diffcore_pickaxe(struct diff_options *o)
 		kwsincr(kws, needle, strlen(needle));
 		kwsprep(kws);
 	}
+	if (err) {
+		/* The POSIX.2 people are surely sick */
+		char errbuf[1024];
+		regerror(err, &regex, errbuf, 1024);
+		regfree(&regex);
+		die("invalid regex: %s", errbuf);
+	}
 
 	/* Might want to warn when both S and G are on; I don't care... */
 	pickaxe(&diff_queued_diff, o, regexp, kws,

-- 
2.3.0.rc1.137.g477eb31
Previous: Nguyễn Thái Ngọc DuyNext: Nguyễn Thái Ngọc Duy
Message 52 of 53 in “Git grep does not support multi-byte characters (like UTF-8)”
  1. Plamen TotevJul 6, 2015
  2. Duy NguyenJul 6, 2015
  3. Plamen TotevJul 7, 2015
  4. Duy NguyenJul 7, 2015
  5. Junio C HamanoJul 7, 2015
  6. Plamen TotevJul 7, 2015
  7. Duy NguyenJul 8, 2015
  8. Junio C HamanoJul 8, 2015
  9. grep: use regcomp() for icase search with non-ascii patternsNguyễn Thái Ngọc Duy, Jul 6, 2015
  10. René ScharfeJul 6, 2015
  11. Duy NguyenJul 6, 2015
  12. Plamen TotevJul 7, 2015
  13. 0/9 icase match on non-asciiNguyễn Thái Ngọc Duy, Jul 8, 2015
  14. 1/9 grep: allow -F -i combinationNguyễn Thái Ngọc Duy, Jul 8, 2015
  15. 2/9 grep: break down an "if" stmt in preparation for next changesNguyễn Thái Ngọc Duy, Jul 8, 2015
  16. 3/9 grep/icase: avoid kwsset on literal non-ascii stringsNguyễn Thái Ngọc Duy, Jul 8, 2015
  17. 4/9 grep/icase: avoid kwsset when -F is specifiedNguyễn Thái Ngọc Duy, Jul 8, 2015
  18. 5/9 grep/pcre: prepare locale-dependent tables for icase matchingNguyễn Thái Ngọc Duy, Jul 8, 2015
  19. Duy NguyenJul 8, 2015
  20. 6/9 gettext: add is_utf8_locale()Nguyễn Thái Ngọc Duy, Jul 8, 2015
  21. 7/9 grep/pcre: support utf-8Nguyễn Thái Ngọc Duy, Jul 8, 2015
  22. Plamen TotevJul 11, 2015
  23. 8/9 diffcore-pickaxe: "share" regex error handling codeNguyễn Thái Ngọc Duy, Jul 8, 2015
  24. 9/9 diffcore-pickaxe: support case insensitive match on non-asciiNguyễn Thái Ngọc Duy, Jul 8, 2015
  25. Eric SunshineJul 9, 2015
  26. Torsten BögershausenJul 8, 2015
  27. Duy NguyenJul 8, 2015
  28. Junio C HamanoJul 8, 2015
  29. Duy NguyenJul 8, 2015
  30. 0/9 icase match on non-asciiNguyễn Thái Ngọc Duy, Jul 14, 2015
  31. 1/9 grep: allow -F -i combinationNguyễn Thái Ngọc Duy, Jul 14, 2015
  32. 2/9 grep: break down an "if" stmt in preparation for next changesNguyễn Thái Ngọc Duy, Jul 14, 2015
  33. 3/9 grep/icase: avoid kwsset on literal non-ascii stringsNguyễn Thái Ngọc Duy, Jul 14, 2015
  34. 4/9 grep/icase: avoid kwsset when -F is specifiedNguyễn Thái Ngọc Duy, Jul 14, 2015
  35. 5/9 grep/pcre: prepare locale-dependent tables for icase matchingNguyễn Thái Ngọc Duy, Jul 14, 2015
  36. 6/9 gettext: add is_utf8_locale()Nguyễn Thái Ngọc Duy, Jul 14, 2015
  37. 7/9 grep/pcre: support utf-8Nguyễn Thái Ngọc Duy, Jul 14, 2015
  38. 8/9 diffcore-pickaxe: "share" regex error handling codeNguyễn Thái Ngọc Duy, Jul 14, 2015
  39. 9/9 diffcore-pickaxe: support case insensitive match on non-asciiNguyễn Thái Ngọc Duy, Jul 14, 2015
  40. Torsten BögershausenJul 14, 2015
  41. Duy NguyenJul 15, 2015
  42. Torsten BögershausenJul 15, 2015
  43. 00/10 icase match on non-asciiNguyễn Thái Ngọc Duy, Aug 21, 2015
  44. 01/10 grep: allow -F -i combinationNguyễn Thái Ngọc Duy, Aug 21, 2015
  45. 02/10 grep: break down an "if" stmt in preparation for next changesNguyễn Thái Ngọc Duy, Aug 21, 2015
  46. 03/10 test-regex: expose full regcomp() to the command lineNguyễn Thái Ngọc Duy, Aug 21, 2015
  47. 04/10 grep/icase: avoid kwsset on literal non-ascii stringsNguyễn Thái Ngọc Duy, Aug 21, 2015
  48. 05/10 grep/icase: avoid kwsset when -F is specifiedNguyễn Thái Ngọc Duy, Aug 21, 2015
  49. 06/10 grep/pcre: prepare locale-dependent tables for icase matchingNguyễn Thái Ngọc Duy, Aug 21, 2015
  50. 07/10 gettext: add is_utf8_locale()Nguyễn Thái Ngọc Duy, Aug 21, 2015
  51. 08/10 grep/pcre: support utf-8Nguyễn Thái Ngọc Duy, Aug 21, 2015
  52. 09/10 diffcore-pickaxe: "share" regex error handling codeNguyễn Thái Ngọc Duy, Aug 21, 2015
  53. 10/10 diffcore-pickaxe: support case insensitive match on non-asciiNguyễn Thái Ngọc Duy, Aug 21, 2015

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