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[PATCH 11/21] Rewrite error messages; fix up line lengths

From
Johan Herland <johan@herland.net>
Date
Jun 9, 2007, 00:17 UTC
Message-ID
<200706090217.17795.johan@herland.net>
In-Reply-To
<200706090210.36270.johan@herland.net>
Also update selftests to reflect new error messages.
Signed-off-by: Johan Herland <johan@herland.net>
---
 t/t3800-mktag.sh |   22 +++++++++++-----------
 tag.c            |   44 +++++++++++++++++++++++++++++---------------
 2 files changed, 40 insertions(+), 26 deletions(-)
diff --git a/t/t3800-mktag.sh b/t/t3800-mktag.sh
index 0e87d2a..3bce5e0 100755
--- a/t/t3800-mktag.sh
+++ b/t/t3800-mktag.sh
@@ -49,7 +49,7 @@ tag mytag
 EOF
 
 cat >expect.pat <<EOF
-^error: char0: .*"object "$
+^error: .*char 0.*"object ".*$
 EOF
 
 check_verify_failure '"object" line label check'
@@ -64,7 +64,7 @@ tag mytag
 EOF
 
 cat >expect.pat <<EOF
-^error: char7: .*SHA1 hash$
+^error: .*char 7.*SHA1 hash.*$
 EOF
 
 check_verify_failure '"object" line SHA1 check'
@@ -79,7 +79,7 @@ tag mytag
 EOF
 
 cat >expect.pat <<EOF
-^error: char47: .*"[\]ntype "$
+^error: .*char 47.*"[\]ntype ".*$
 EOF
 
 check_verify_failure '"type" line label check'
@@ -91,7 +91,7 @@ echo "object 779e9b33986b1c2670fff52c5067603117b3e895" >tag.sig
 printf "type tagsssssssssssssssssssssssssssssss" >>tag.sig
 
 cat >expect.pat <<EOF
-^error: char48: .*"[\]n"$
+^error: .*char 48.*"[\]n".*$
 EOF
 
 check_verify_failure '"type" line eol check'
@@ -106,7 +106,7 @@ xxx mytag
 EOF
 
 cat >expect.pat <<EOF
-^error: char57: no "tag " found$
+^error: .*char 57.*"tag ".*$
 EOF
 
 check_verify_failure '"tag" line label check #1'
@@ -121,7 +121,7 @@ tag
 EOF
 
 cat >expect.pat <<EOF
-^error: char87: no "tag " found$
+^error: .*char 87.*"tag ".*$
 EOF
 
 check_verify_failure '"tag" line label check #2'
@@ -137,7 +137,7 @@ tagger a
 EOF
 
 cat >expect.pat <<EOF
-^error: char53: type too long$
+^error: .*char 53.*Type too long.*$
 EOF
 
 check_verify_failure '"type" line type-name length check'
@@ -153,7 +153,7 @@ tagger a
 EOF
 
 cat >expect.pat <<EOF
-^error: char7: could not verify object.*$
+^error: .*char 7.*Could not verify tagged object.*$
 EOF
 
 check_verify_failure 'verify object (SHA1/type) check'
@@ -169,7 +169,7 @@ tagger a
 EOF
 
 cat >expect.pat <<EOF
-^error: char67: could not verify tag name$
+^error: .*char 67.*Could not verify tag name.*$
 EOF
 
 check_verify_failure 'verify tag-name check'
@@ -184,7 +184,7 @@ tag mytag
 EOF
 
 cat >expect.pat <<EOF
-^error: char70: could not find "tagger"$
+^error: .*char 70.*Could not find "tagger ".*$
 EOF
 
 check_verify_failure '"tagger" line label check #1'
@@ -200,7 +200,7 @@ tagger
 EOF
 
 cat >expect.pat <<EOF
-^error: char70: could not find "tagger"$
+^error: .*char 70.*Could not find "tagger ".*$
 EOF
 
 check_verify_failure '"tagger" line label check #2'
diff --git a/tag.c b/tag.c
index e12b9fc..c7c75b3 100644
--- a/tag.c
+++ b/tag.c
@@ -72,41 +72,50 @@ int parse_and_verify_tag_buffer(struct tag *item,
 	}
 
 	if (size < 64)
-		return error("failed preliminary size check");
+		return error("Tag object failed preliminary size check");
 
 	/* Verify object line */
 	if (memcmp(data, "object ", 7))
-		return error("char%d: does not start with \"object \"", 0);
+		return error("Tag object (@ char 0): "
+			"Does not start with \"object \"");
 
 	if (get_sha1_hex(data + 7, sha1))
-		return error("char%d: could not get SHA1 hash", 7);
+		return error("Tag object (@ char 7): Could not get SHA1 hash");
 
 	/* Verify type line */
 	type_line = data + 48;
 	if (memcmp(type_line - 1, "\ntype ", 6))
-		return error("char%d: could not find \"\\ntype \"", 47);
+		return error("Tag object (@ char 47): "
+			"Could not find \"\\ntype \"");
 
 	/* Verify tag-line */
 	tag_line = strchr(type_line, '\n');
-	if (!tag_line)
-		return error("char" PD_FMT ": could not find next \"\\n\"", type_line - data);
-	tag_line++;
+	if (!tag_line++)
+		return error("Tag object (@ char " PD_FMT "): "
+			"Could not find \"\\n\" after \"type\"",
+			type_line - data);
 	if (memcmp(tag_line, "tag ", 4) || tag_line[4] == '\n')
-		return error("char" PD_FMT ": no \"tag \" found", tag_line - data);
+		return error("Tag object (@ char " PD_FMT "): "
+			"Could not find \"tag \"", tag_line - data);
 
 	/* Verify the tagger line */
 	tagger_line = strchr(tag_line, '\n');
 	if (!tagger_line++)
-		return error("char" PD_FMT ": could not find next \"\\n\"", tag_line - data);
+		return error("Tag object (@ char " PD_FMT "): "
+			"Could not find \"\\n\" after \"tag\"",
+			tag_line - data);
 	if (thorough_verify) {
 		if (memcmp(tagger_line, "tagger ", 7) || (tagger_line[7] == '\n'))
-			return error("char" PD_FMT ": could not find \"tagger\"", tagger_line - data);
+			return error("Tag object (@ char " PD_FMT "): "
+				"Could not find \"tagger \"",
+				tagger_line - data);
 	}
 
 	/* Get the actual type */
 	type_len = tag_line - type_line - strlen("type \n");
 	if (type_len >= sizeof(type))
-		return error("char" PD_FMT ": type too long", type_line + 5 - data);
+		return error("Tag object (@ char " PD_FMT "): "
+			"Type too long", type_line + 5 - data);
 	memcpy(type, type_line + 5, type_len);
 	type[type_len] = '\0';
 
@@ -115,16 +124,20 @@ int parse_and_verify_tag_buffer(struct tag *item,
 
 		/* Verify that the object matches */
 		if (verify_object(sha1, type))
-			return error("char%d: could not verify object %s", 7, sha1_to_hex(sha1));
+			return error("Tag object (@ char 7): "
+				"Could not verify tagged object %s",
+				sha1_to_hex(sha1));
 
-		/* Verify the tag-name: we don't allow control characters or spaces in it */
+		/* Verify tag name: disallow control characters or spaces */
 		for (i = 4;;) {
 			unsigned char c = tag_line[i++];
 			if (c == '\n')
 				break;
 			if (c > ' ')
 				continue;
-			return error("char" PD_FMT ": could not verify tag name", tag_line + i - data);
+			return error("Tag object (@ char " PD_FMT "): "
+				"Could not verify tag name",
+				tag_line + i - data);
 		}
 
 		/* Verify the tagger line */
@@ -148,7 +161,8 @@ int parse_and_verify_tag_buffer(struct tag *item,
 		} else if (!strcmp(type, tag_type)) {
 			item->tagged = &lookup_tag(sha1)->object;
 		} else {
-			error("Unknown type %s", type);
+			error("Tag object (@ char " PD_FMT "): "
+				"Unknown type '%s'", type_line + 5 - data, type);
 			item->tagged = NULL;
 		}
 
-- 
1.5.2
Previous: Johannes SchindelinNext: Johannes Schindelin
Message 65 of 90 in “error: char103: premature end of data”
  1. Johannes SchindelinJun 7, 2007
  2. Johan HerlandJun 7, 2007
  3. Johannes SchindelinJun 7, 2007
  4. Johan HerlandJun 7, 2007
  5. Johannes SchindelinJun 7, 2007
  6. Fix failed tag parsing when tag object has no body/message (and thus ends with a single '\n')Johan Herland, Jun 8, 2007
  7. Junio C HamanoJun 8, 2007
  8. Johan HerlandJun 8, 2007
  9. Junio C HamanoJun 8, 2007
  10. 0/21 Refactor the tag object (take 2)Johan Herland, Jun 9, 2007
  11. 01/21 Remove unnecessary code and comments on non-existing 8kB tag object restrictionJohan Herland, Jun 9, 2007
  12. 02/21 Return error messages when parsing fails.Johan Herland, Jun 9, 2007
  13. Junio C HamanoJun 9, 2007
  14. Johan HerlandJun 9, 2007
  15. Silence error messages unless 'thorough_verify' is setJohan Herland, Jun 9, 2007
  16. Johannes SchindelinJun 10, 2007
  17. Junio C HamanoJun 10, 2007
  18. Johannes SchindelinJun 10, 2007
  19. Johan HerlandJun 10, 2007
  20. Johannes SchindelinJun 10, 2007
  21. Johan HerlandJun 10, 2007
  22. 0/4 Restructure the tag objectJohan Herland, Jun 10, 2007
  23. 1/4 Make tag names (i.e. the tag object's "tag" line) optionalJohan Herland, Jun 10, 2007
  24. Junio C HamanoJun 10, 2007
  25. Johan HerlandJun 10, 2007
  26. Junio C HamanoJun 11, 2007
  27. 2/4 Introduce optional "keywords" on tag objectsJohan Herland, Jun 10, 2007
  28. Johannes SchindelinJun 10, 2007
  29. Johan HerlandJun 10, 2007
  30. Junio C HamanoJun 10, 2007
  31. Johan HerlandJun 10, 2007
  32. Junio C HamanoJun 11, 2007
  33. 3/4 Documentation/git-mktag: Document the changes in tag object structureJohan Herland, Jun 10, 2007
  34. 4/4 git-mktag tests: Expand on mktag selftests according to the new tag object structureJohan Herland, Jun 10, 2007
  35. Johannes SchindelinJun 10, 2007
  36. 03/21 Refactoring to make verify_tag() and parse_tag_buffer() more similarJohan Herland, Jun 9, 2007
  37. Johannes SchindelinJun 9, 2007
  38. Johan HerlandJun 9, 2007
  39. 04/21 Refactor verification of "tagger" line to be more similar to verification of "type" and "tagger" linesJohan Herland, Jun 9, 2007
  40. Junio C HamanoJun 9, 2007
  41. Johannes SchindelinJun 10, 2007
  42. 05/21 Make parse_tag_buffer_internal() handle item == NULLJohan Herland, Jun 9, 2007
  43. Junio C HamanoJun 9, 2007
  44. Move check for already parsed tag object to parse_tag_buffer() wrapper functionJohan Herland, Jun 10, 2007
  45. Johannes SchindelinJun 10, 2007
  46. 06/21 Refactor tag name verification loop to use index 'i' instead of incrementing pointer 'tag_line'Johan Herland, Jun 9, 2007
  47. Alex RiesenJun 9, 2007
  48. Johan HerlandJun 9, 2007
  49. Johannes SchindelinJun 10, 2007
  50. Johannes SchindelinJun 10, 2007
  51. 07/21 Copy the remaining differences from verify_tag() to parse_tag_buffer_internal()Johan Herland, Jun 9, 2007
  52. Alex RiesenJun 9, 2007
  53. Johan HerlandJun 9, 2007
  54. Johannes SchindelinJun 10, 2007
  55. 08/21 Switch from verify_tag() to parse_and_verify_tag_buffer() for verifying tag objects in git-mktagJohan Herland, Jun 9, 2007
  56. 09/21 Remove unneeded code from mktag.cJohan Herland, Jun 9, 2007
  57. Alex RiesenJun 9, 2007
  58. Johan HerlandJun 9, 2007
  59. 10/21 Free mktag's buffer before dyingJohan Herland, Jun 9, 2007
  60. Alex RiesenJun 9, 2007
  61. Johan HerlandJun 9, 2007
  62. Alex RiesenJun 9, 2007
  63. Johan HerlandJun 9, 2007
  64. Johannes SchindelinJun 10, 2007
  65. 11/21 Rewrite error messages; fix up line lengthsJohan Herland, Jun 9, 2007
  66. Johannes SchindelinJun 10, 2007
  67. 12/21 Use prefixcmp() instead of memcmp() for cleaner code with less magic numbersJohan Herland, Jun 9, 2007
  68. Alex RiesenJun 9, 2007
  69. Johan HerlandJun 9, 2007
  70. Johannes SchindelinJun 10, 2007
  71. 13/21 Collect skipping of header field names and calculation of line lengths in one placeJohan Herland, Jun 9, 2007
  72. Johannes SchindelinJun 10, 2007
  73. 14/21 Add proper parsing of "tagger" line, but only when thorough_verify is setJohan Herland, Jun 9, 2007
  74. Johannes SchindelinJun 10, 2007
  75. Johannes SchindelinJun 10, 2007
  76. 15/21 Make tag names (i.e. the tag object's "tag" line) optionalJohan Herland, Jun 9, 2007
  77. Johannes SchindelinJun 10, 2007
  78. 16/21 Introduce optional "keywords" on tag objectsJohan Herland, Jun 9, 2007
  79. Alex RiesenJun 9, 2007
  80. Johan HerlandJun 9, 2007
  81. Use xstrndup() instead of xmalloc() and memcpy(); fix buglet with generating default item->keywords.Johan Herland, Jun 9, 2007
  82. Junio C HamanoJun 10, 2007
  83. Fail if tag name and keywords is not within "printable ASCII"Johan Herland, Jun 10, 2007
  84. Junio C HamanoJun 10, 2007
  85. 17/21 Update comments on tag objects in mktag.cJohan Herland, Jun 9, 2007
  86. 18/21 git-fsck: Do thorough verification of tag objectsJohan Herland, Jun 9, 2007
  87. 19/21 Documentation/git-mktag: Document the changes in tag object structureJohan Herland, Jun 9, 2007
  88. 20/21 git-mktag tests: Expand on mktag selftests according to the new tag object structureJohan Herland, Jun 9, 2007
  89. 21/21 Add fsck_verify_ref_to_tag_object() to verify that refname matches name stored in tag objectJohan Herland, Jun 9, 2007
  90. Johannes SchindelinJun 7, 2007

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