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[PATCH v2 23/29] grep: change internal *pcre* variable & function names to be *pcre1*

From
Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Date
May 13, 2017, 23:15 UTC
Message-ID
<20170513231509.7834-24-avarab@gmail.com>
In-Reply-To
<20170513231509.7834-1-avarab@gmail.com>

Change the internal PCRE variable & function names to have a "1" suffix. This is for preparation for libpcre2 support, where having non-versioned names would be confusing.

An earlier change in this series ("grep: change the internal PCRE macro names to be PCRE1", 2017-04-07) elaborates on the motivations behind this change.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
---
 grep.c | 52 ++++++++++++++++++++++++++--------------------------
 grep.h |  8 ++++----
 2 files changed, 30 insertions(+), 30 deletions(-)
diff --git a/grep.c b/grep.c
index 854f2404be..07512346b1 100644
--- a/grep.c
+++ b/grep.c
@@ -178,23 +178,23 @@ static void grep_set_pattern_type_option(enum grep_pattern_type pattern_type, st
 
 	case GREP_PATTERN_TYPE_BRE:
 		opt->fixed = 0;
-		opt->pcre = 0;
+		opt->pcre1 = 0;
 		break;
 
 	case GREP_PATTERN_TYPE_ERE:
 		opt->fixed = 0;
-		opt->pcre = 0;
+		opt->pcre1 = 0;
 		opt->regflags |= REG_EXTENDED;
 		break;
 
 	case GREP_PATTERN_TYPE_FIXED:
 		opt->fixed = 1;
-		opt->pcre = 0;
+		opt->pcre1 = 0;
 		break;
 
 	case GREP_PATTERN_TYPE_PCRE:
 		opt->fixed = 0;
-		opt->pcre = 1;
+		opt->pcre1 = 1;
 		break;
 	}
 }
@@ -334,7 +334,7 @@ static int has_null(const char *s, size_t len)
 }
 
 #ifdef USE_LIBPCRE1
-static void compile_pcre_regexp(struct grep_pat *p, const struct grep_opt *opt)
+static void compile_pcre1_regexp(struct grep_pat *p, const struct grep_opt *opt)
 {
 	const char *error;
 	int erroffset;
@@ -342,23 +342,23 @@ static void compile_pcre_regexp(struct grep_pat *p, const struct grep_opt *opt)
 
 	if (opt->ignore_case) {
 		if (has_non_ascii(p->pattern))
-			p->pcre_tables = pcre_maketables();
+			p->pcre1_tables = pcre_maketables();
 		options |= PCRE_CASELESS;
 	}
 	if (is_utf8_locale() && has_non_ascii(p->pattern))
 		options |= PCRE_UTF8;
 
-	p->pcre_regexp = pcre_compile(p->pattern, options, &error, &erroffset,
-				      p->pcre_tables);
-	if (!p->pcre_regexp)
+	p->pcre1_regexp = pcre_compile(p->pattern, options, &error, &erroffset,
+				      p->pcre1_tables);
+	if (!p->pcre1_regexp)
 		compile_regexp_failed(p, error);
 
-	p->pcre_extra_info = pcre_study(p->pcre_regexp, 0, &error);
-	if (!p->pcre_extra_info && error)
+	p->pcre1_extra_info = pcre_study(p->pcre1_regexp, 0, &error);
+	if (!p->pcre1_extra_info && error)
 		die("%s", error);
 }
 
-static int pcrematch(struct grep_pat *p, const char *line, const char *eol,
+static int pcre1match(struct grep_pat *p, const char *line, const char *eol,
 		regmatch_t *match, int eflags)
 {
 	int ovector[30], ret, flags = 0;
@@ -366,7 +366,7 @@ static int pcrematch(struct grep_pat *p, const char *line, const char *eol,
 	if (eflags & REG_NOTBOL)
 		flags |= PCRE_NOTBOL;
 
-	ret = pcre_exec(p->pcre_regexp, p->pcre_extra_info, line, eol - line,
+	ret = pcre_exec(p->pcre1_regexp, p->pcre1_extra_info, line, eol - line,
 			0, flags, ovector, ARRAY_SIZE(ovector));
 	if (ret < 0 && ret != PCRE_ERROR_NOMATCH)
 		die("pcre_exec failed with error code %d", ret);
@@ -379,25 +379,25 @@ static int pcrematch(struct grep_pat *p, const char *line, const char *eol,
 	return ret;
 }
 
-static void free_pcre_regexp(struct grep_pat *p)
+static void free_pcre1_regexp(struct grep_pat *p)
 {
-	pcre_free(p->pcre_regexp);
-	pcre_free(p->pcre_extra_info);
-	pcre_free((void *)p->pcre_tables);
+	pcre_free(p->pcre1_regexp);
+	pcre_free(p->pcre1_extra_info);
+	pcre_free((void *)p->pcre1_tables);
 }
 #else /* !USE_LIBPCRE1 */
-static void compile_pcre_regexp(struct grep_pat *p, const struct grep_opt *opt)
+static void compile_pcre1_regexp(struct grep_pat *p, const struct grep_opt *opt)
 {
 	die("cannot use Perl-compatible regexes when not compiled with USE_LIBPCRE");
 }
 
-static int pcrematch(struct grep_pat *p, const char *line, const char *eol,
+static int pcre1match(struct grep_pat *p, const char *line, const char *eol,
 		regmatch_t *match, int eflags)
 {
 	return 1;
 }
 
-static void free_pcre_regexp(struct grep_pat *p)
+static void free_pcre1_regexp(struct grep_pat *p)
 {
 }
 #endif /* !USE_LIBPCRE1 */
@@ -477,8 +477,8 @@ static void compile_regexp(struct grep_pat *p, struct grep_opt *opt)
 		return;
 	}
 
-	if (opt->pcre) {
-		compile_pcre_regexp(p, opt);
+	if (opt->pcre1) {
+		compile_pcre1_regexp(p, opt);
 		return;
 	}
 
@@ -834,8 +834,8 @@ void free_grep_patterns(struct grep_opt *opt)
 		case GREP_PATTERN_BODY:
 			if (p->kws)
 				kwsfree(p->kws);
-			else if (p->pcre_regexp)
-				free_pcre_regexp(p);
+			else if (p->pcre1_regexp)
+				free_pcre1_regexp(p);
 			else
 				regfree(&p->regexp);
 			free(p->pattern);
@@ -914,8 +914,8 @@ static int patmatch(struct grep_pat *p, char *line, char *eol,
 
 	if (p->fixed)
 		hit = !fixmatch(p, line, eol, match);
-	else if (p->pcre_regexp)
-		hit = !pcrematch(p, line, eol, match, eflags);
+	else if (p->pcre1_regexp)
+		hit = !pcre1match(p, line, eol, match, eflags);
 	else
 		hit = !regexec_buf(&p->regexp, line, eol - line, 1, match,
 				   eflags);
diff --git a/grep.h b/grep.h
index 073b0e4c92..38ac82b638 100644
--- a/grep.h
+++ b/grep.h
@@ -46,9 +46,9 @@ struct grep_pat {
 	size_t patternlen;
 	enum grep_header_field field;
 	regex_t regexp;
-	pcre *pcre_regexp;
-	pcre_extra *pcre_extra_info;
-	const unsigned char *pcre_tables;
+	pcre *pcre1_regexp;
+	pcre_extra *pcre1_extra_info;
+	const unsigned char *pcre1_tables;
 	kwset_t kws;
 	unsigned fixed:1;
 	unsigned ignore_case:1;
@@ -111,7 +111,7 @@ struct grep_opt {
 	int allow_textconv;
 	int extended;
 	int use_reflog_filter;
-	int pcre;
+	int pcre1;
 	int relative;
 	int pathname;
 	int null_following_name;
-- 
2.11.0
Previous: Ævar Arnfjörð BjarmasonNext: Ævar Arnfjörð Bjarmason
Message 33 of 42 in “Easy to review grep & pre-PCRE changes”
  1. 00/29 Easy to review grep & pre-PCRE changesÆvar Arnfjörð Bjarmason, May 13, 2017
  2. 01/29 Makefile & configure: reword inaccurate comment about PCREÆvar Arnfjörð Bjarmason, May 13, 2017
  3. 02/29 grep & rev-list doc: stop promising libpcre for --perl-regexpÆvar Arnfjörð Bjarmason, May 13, 2017
  4. 04/29 log: add exhaustive tests for pattern style options & configÆvar Arnfjörð Bjarmason, May 13, 2017
  5. Junio C HamanoMay 15, 2017
  6. Ævar Arnfjörð BjarmasonMay 15, 2017
  7. Junio C HamanoMay 16, 2017
  8. 05/29 grep: add a test asserting that --perl-regexp dies when !PCREÆvar Arnfjörð Bjarmason, May 13, 2017
  9. 03/29 test-lib: rename the LIBPCRE prerequisite to PCREÆvar Arnfjörð Bjarmason, May 13, 2017
  10. 06/29 grep: add a test for backreferences in PCRE patternsÆvar Arnfjörð Bjarmason, May 13, 2017
  11. 07/29 grep: change non-ASCII -i test to stop using --debugÆvar Arnfjörð Bjarmason, May 13, 2017
  12. 08/29 grep: add tests for --threads=N and grep.threadsÆvar Arnfjörð Bjarmason, May 13, 2017
  13. 09/29 grep: amend submodule recursion test for regex engine testingÆvar Arnfjörð Bjarmason, May 13, 2017
  14. 10/29 grep: add tests for grep pattern types being passed to submodulesÆvar Arnfjörð Bjarmason, May 13, 2017
  15. 11/29 grep: add a test helper function for less verbose -f \0 testsÆvar Arnfjörð Bjarmason, May 13, 2017
  16. 12/29 grep: prepare for testing binary regexes containing rx metacharactersÆvar Arnfjörð Bjarmason, May 13, 2017
  17. 13/29 grep: add tests to fix blind spots with \0 patternsÆvar Arnfjörð Bjarmason, May 13, 2017
  18. 14/29 perf: add a GIT_PERF_MAKE_COMMAND for when *_MAKE_OPTS won't doÆvar Arnfjörð Bjarmason, May 13, 2017
  19. 15/29 perf: emit progress output when unpacking & buildingÆvar Arnfjörð Bjarmason, May 13, 2017
  20. 16/29 perf: add a performance comparison test of grep -G, -E and -PÆvar Arnfjörð Bjarmason, May 13, 2017
  21. 18/29 grep: catch a missing enum in switch statementÆvar Arnfjörð Bjarmason, May 13, 2017
  22. Junio C HamanoMay 15, 2017
  23. Ævar Arnfjörð BjarmasonMay 15, 2017
  24. 17/29 perf: add a performance comparison of fixed-string grepÆvar Arnfjörð Bjarmason, May 13, 2017
  25. 20/29 grep: remove redundant `regflags &= ~REG_EXTENDED` assignmentsÆvar Arnfjörð Bjarmason, May 13, 2017
  26. Junio C HamanoMay 15, 2017
  27. Ævar Arnfjörð BjarmasonMay 15, 2017
  28. 19/29 grep: remove redundant regflags assignment under PCREÆvar Arnfjörð Bjarmason, May 13, 2017
  29. 21/29 grep: factor test for \0 in grep patterns into a functionÆvar Arnfjörð Bjarmason, May 13, 2017
  30. Junio C HamanoMay 15, 2017
  31. Ævar Arnfjörð BjarmasonMay 15, 2017
  32. 22/29 grep: change the internal PCRE macro names to be PCRE1Ævar Arnfjörð Bjarmason, May 13, 2017
  33. 23/29 grep: change internal *pcre* variable & function names to be *pcre1*Ævar Arnfjörð Bjarmason, May 13, 2017
  34. 25/29 test-lib: add a PTHREADS prerequisiteÆvar Arnfjörð Bjarmason, May 13, 2017
  35. 26/29 pack-objects & index-pack: add test for --threads warningÆvar Arnfjörð Bjarmason, May 13, 2017
  36. 24/29 grep: move is_fixed() earlier to avoid forward declarationÆvar Arnfjörð Bjarmason, May 13, 2017
  37. 27/29 pack-objects: fix buggy warning about threadsÆvar Arnfjörð Bjarmason, May 13, 2017
  38. Junio C HamanoMay 15, 2017
  39. Ævar Arnfjörð BjarmasonMay 15, 2017
  40. 28/29 grep: given --threads with NO_PTHREADS=YesPlease, warnÆvar Arnfjörð Bjarmason, May 13, 2017
  41. 29/29 grep: assert that threading is enabled when calling grep_{lock,unlock}Ævar Arnfjörð Bjarmason, May 13, 2017
  42. Junio C HamanoMay 15, 2017

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