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[PATCH v3 11/12] trace2: trim_trailing_newline followed by trim is a no-op

From
Junio C Hamano <gitster@pobox.com>
Date
Aug 3, 2025, 06:53 UTC
Message-ID
<20250803065304.3325286-12-gitster@pobox.com>
In-Reply-To
<20250803065304.3325286-1-gitster@pobox.com>

strbuf_trim_trailing_newline() removes a LF or a CRLF from the tail of a string. If the code plans to call strbuf_trim() immediately after doing so, the code is better off skipping the EOL trimming in the first place. After all, LF/CRLF at the end is a mere special case of whitespaces at the end of the string, which will be removed by strbuf_rtrim() anyway.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
---
 trace2/tr2_cfg.c | 2 --
 1 file changed, 2 deletions(-)
diff --git a/trace2/tr2_cfg.c b/trace2/tr2_cfg.c
index 22a99a0682..2b7cfcd10c 100644
--- a/trace2/tr2_cfg.c
+++ b/trace2/tr2_cfg.c
@@ -39,7 +39,6 @@ static int tr2_cfg_load_patterns(void)
 
 		if (buf->len && buf->buf[buf->len - 1] == ',')
 			strbuf_setlen(buf, buf->len - 1);
-		strbuf_trim_trailing_newline(*s);
 		strbuf_trim(*s);
 	}
 
@@ -78,7 +77,6 @@ static int tr2_load_env_vars(void)
 
 		if (buf->len && buf->buf[buf->len - 1] == ',')
 			strbuf_setlen(buf, buf->len - 1);
-		strbuf_trim_trailing_newline(*s);
 		strbuf_trim(*s);
 	}
 
-- 
2.50.1-633-g69dfdd50af
Previous: Junio C HamanoNext: Junio C Hamano
Message 71 of 72 in “string_list_split*() updates”
  1. 0/5 string_list_split*() updatesJunio C Hamano, Jul 31, 2025
  2. 1/5 string-list: report programming error with BUGJunio C Hamano, Jul 31, 2025
  3. Eric SunshineJul 31, 2025
  4. Junio C HamanoJul 31, 2025
  5. 2/5 string-list: align string_list_split() with its _in_place() counterpartJunio C Hamano, Jul 31, 2025
  6. Eric SunshineJul 31, 2025
  7. 3/5 string-list: unify string_list_split* functionsJunio C Hamano, Jul 31, 2025
  8. 4/5 string-list: optionally trim string pieces split by string_list_split()Junio C Hamano, Jul 31, 2025
  9. 5/5 diff: simplify parsing of diff.colormovedwsJunio C Hamano, Jul 31, 2025
  10. Eric SunshineJul 31, 2025
  11. 0/7 string_list_split*() updatesJunio C Hamano, Jul 31, 2025
  12. 1/7 string-list: report programming error with BUGJunio C Hamano, Jul 31, 2025
  13. 2/7 string-list: align string_list_split() with its _in_place() counterpartJunio C Hamano, Jul 31, 2025
  14. shejialuoAug 1, 2025
  15. Junio C HamanoAug 1, 2025
  16. shejialuoAug 1, 2025
  17. Junio C HamanoAug 1, 2025
  18. 3/7 string-list: unify string_list_split* functionsJunio C Hamano, Jul 31, 2025
  19. shejialuoAug 1, 2025
  20. 4/7 string-list: optionally trim string pieces split by string_list_split*()Junio C Hamano, Jul 31, 2025
  21. shejialuoAug 1, 2025
  22. Junio C HamanoAug 1, 2025
  23. shejialuoAug 1, 2025
  24. Junio C HamanoAug 1, 2025
  25. shejialuoAug 2, 2025
  26. Patrick SteinhardtAug 1, 2025
  27. Junio C HamanoAug 1, 2025
  28. 5/7 diff: simplify parsing of diff.colormovedwsJunio C Hamano, Jul 31, 2025
  29. Patrick SteinhardtAug 1, 2025
  30. 6/7 string-list: optionally omit empty string pieces in string_list_split*()Junio C Hamano, Jul 31, 2025
  31. Eric SunshineJul 31, 2025
  32. shejialuoAug 1, 2025
  33. Patrick SteinhardtAug 1, 2025
  34. Junio C HamanoAug 1, 2025
  35. 7/7 string-list: split-then-remove-empty can be done while splittingJunio C Hamano, Jul 31, 2025
  36. Patrick SteinhardtAug 1, 2025
  37. 0/7 string_list_split*() updatesJunio C Hamano, Aug 1, 2025
  38. 1/7 string-list: report programming error with BUGJunio C Hamano, Aug 1, 2025
  39. 2/7 string-list: align string_list_split() with its _in_place() counterpartJunio C Hamano, Aug 1, 2025
  40. Jeff KingAug 2, 2025
  41. Junio C HamanoAug 2, 2025
  42. Jeff KingAug 2, 2025
  43. 3/7 string-list: unify string_list_split* functionsJunio C Hamano, Aug 1, 2025
  44. 4/7 string-list: optionally trim string pieces split by string_list_split*()Junio C Hamano, Aug 1, 2025
  45. Jeff KingAug 2, 2025
  46. Junio C HamanoAug 2, 2025
  47. Jeff KingAug 2, 2025
  48. 5/7 diff: simplify parsing of diff.colormovedwsJunio C Hamano, Aug 1, 2025
  49. 6/7 string-list: optionally omit empty string pieces in string_list_split*()Junio C Hamano, Aug 1, 2025
  50. 7/7 string-list: split-then-remove-empty can be done while splittingJunio C Hamano, Aug 1, 2025
  51. 0/7 string_list_split*() updatesJunio C Hamano, Aug 3, 2025
  52. 1/7 string-list: report programming error with BUGJunio C Hamano, Aug 3, 2025
  53. 2/7 string-list: align string_list_split() with its _in_place() counterpartJunio C Hamano, Aug 3, 2025
  54. 3/7 string-list: unify string_list_split* functionsJunio C Hamano, Aug 3, 2025
  55. 4/7 string-list: optionally trim string pieces split by string_list_split*()Junio C Hamano, Aug 3, 2025
  56. 5/7 diff: simplify parsing of diff.colormovedwsJunio C Hamano, Aug 3, 2025
  57. 6/7 string-list: optionally omit empty string pieces in string_list_split*()Junio C Hamano, Aug 3, 2025
  58. 7/7 string-list: split-then-remove-empty can be done while splittingJunio C Hamano, Aug 3, 2025
  59. Patrick SteinhardtAug 4, 2025
  60. 00/12 do not overuse strbuf_split*()Junio C Hamano, Aug 3, 2025
  61. 01/12 wt-status: avoid strbuf_split*()Junio C Hamano, Aug 3, 2025
  62. 02/12 clean: do not pass strbuf by valueJunio C Hamano, Aug 3, 2025
  63. 03/12 clean: do not use strbuf_split*() [part 1]Junio C Hamano, Aug 3, 2025
  64. 04/12 clean: do not pass the whole structure when it is not necessaryJunio C Hamano, Aug 3, 2025
  65. 05/12 clean: do not use strbuf_split*() [part 2]Junio C Hamano, Aug 3, 2025
  66. 06/12 merge-tree: do not use strbuf_split*()Junio C Hamano, Aug 3, 2025
  67. 07/12 notes: do not use strbuf_split*()Junio C Hamano, Aug 3, 2025
  68. 08/12 config: do not use strbuf_split()Junio C Hamano, Aug 3, 2025
  69. 09/12 environment: do not use strbuf_split*()Junio C Hamano, Aug 3, 2025
  70. 10/12 sub-process: do not use strbuf_split*()Junio C Hamano, Aug 3, 2025
  71. 11/12 trace2: trim_trailing_newline followed by trim is a no-opJunio C Hamano, Aug 3, 2025
  72. 12/12 trace2: do not use strbuf_split*()Junio C Hamano, Aug 3, 2025

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