From 178b33157aba98e34f641408105be54f42cbe5bc Mon Sep 17 00:00:00 2001
From: Junio C Hamano <gitster@pobox.com>
Date: Thu, 19 Aug 2010 15:31:30 -0700
Subject: compat/regex: get rid of old-style definition

These files mostly used ANSI style function definitions, but with small
number of old-style ones.  Convert them to consistently use ANSI style.

Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/compat/regex/regcomp.c b/compat/regex/regcomp.c
index 4a80056..8c96ed9 100644
--- a/compat/regex/regcomp.c
+++ b/compat/regex/regcomp.c
@@ -230,10 +230,9 @@ btowc (int c)
    are set in BUFP on entry.  */
 
 const char *
-re_compile_pattern (pattern, length, bufp)
-    const char *pattern;
-    size_t length;
-    struct re_pattern_buffer *bufp;
+re_compile_pattern (const char *pattern,
+		    size_t length,
+		    struct re_pattern_buffer *bufp)
 {
   reg_errcode_t ret;
 
@@ -271,8 +270,7 @@ reg_syntax_t re_syntax_options;
    defined in regex.h.  We return the old syntax.  */
 
 reg_syntax_t
-re_set_syntax (syntax)
-    reg_syntax_t syntax;
+re_set_syntax (reg_syntax_t syntax)
 {
   reg_syntax_t ret = re_syntax_options;
 
@@ -284,8 +282,7 @@ weak_alias (__re_set_syntax, re_set_syntax)
 #endif
 
 int
-re_compile_fastmap (bufp)
-    struct re_pattern_buffer *bufp;
+re_compile_fastmap (struct re_pattern_buffer *bufp)
 {
   re_dfa_t *dfa = (re_dfa_t *) bufp->buffer;
   char *fastmap = bufp->fastmap;
@@ -484,10 +481,9 @@ re_compile_fastmap_iter (regex_t *bufp, const re_dfastate_t *init_state,
    the return codes and their meanings.)  */
 
 int
-regcomp (preg, pattern, cflags)
-    regex_t *__restrict preg;
-    const char *__restrict pattern;
-    int cflags;
+regcomp (regex_t *__restrict preg,
+	 const char *__restrict pattern,
+	 int cflags)
 {
   reg_errcode_t ret;
   reg_syntax_t syntax = ((cflags & REG_EXTENDED) ? RE_SYNTAX_POSIX_EXTENDED
@@ -650,8 +646,7 @@ free_dfa_content (re_dfa_t *dfa)
 /* Free dynamically allocated space used by PREG.  */
 
 void
-regfree (preg)
-    regex_t *preg;
+regfree (regex_t *preg)
 {
   re_dfa_t *dfa = (re_dfa_t *) preg->buffer;
   if (BE (dfa != NULL, 1))
diff --git a/compat/regex/regexec.c b/compat/regex/regexec.c
index 0c2b054..b49585a 100644
--- a/compat/regex/regexec.c
+++ b/compat/regex/regexec.c
@@ -218,12 +218,12 @@ static reg_errcode_t extend_buffers (re_match_context_t *mctx)
    We return 0 if we find a match and REG_NOMATCH if not.  */
 
 int
-regexec (preg, string, nmatch, pmatch, eflags)
-    const regex_t *__restrict preg;
-    const char *__restrict string;
-    size_t nmatch;
-    regmatch_t pmatch[];
-    int eflags;
+regexec (
+	const regex_t *__restrict preg,
+	const char *__restrict string,
+	size_t nmatch,
+	regmatch_t pmatch[],
+	int eflags)
 {
   reg_errcode_t err;
   int start, length;
@@ -303,11 +303,11 @@ compat_symbol (libc, __compat_regexec, regexec, GLIBC_2_0);
    match was found and -2 indicates an internal error.  */
 
 int
-re_match (bufp, string, length, start, regs)
-    struct re_pattern_buffer *bufp;
-    const char *string;
-    int length, start;
-    struct re_registers *regs;
+re_match (struct re_pattern_buffer *bufp,
+	  const char *string,
+	  int length,
+	  int start,
+	  struct re_registers *regs)
 {
   return re_search_stub (bufp, string, length, start, 0, length, regs, 1);
 }
@@ -316,11 +316,10 @@ weak_alias (__re_match, re_match)
 #endif
 
 int
-re_search (bufp, string, length, start, range, regs)
-    struct re_pattern_buffer *bufp;
-    const char *string;
-    int length, start, range;
-    struct re_registers *regs;
+re_search (struct re_pattern_buffer *bufp,
+	   const char *string,
+	   int length, int start, int range,
+	   struct re_registers *regs)
 {
   return re_search_stub (bufp, string, length, start, range, length, regs, 0);
 }
@@ -329,11 +328,10 @@ weak_alias (__re_search, re_search)
 #endif
 
 int
-re_match_2 (bufp, string1, length1, string2, length2, start, regs, stop)
-    struct re_pattern_buffer *bufp;
-    const char *string1, *string2;
-    int length1, length2, start, stop;
-    struct re_registers *regs;
+re_match_2 (struct re_pattern_buffer *bufp,
+	    const char *string1, int length1,
+	    const char *string2, int length2, int start,
+	    struct re_registers *regs, int stop)
 {
   return re_search_2_stub (bufp, string1, length1, string2, length2,
 			   start, 0, regs, stop, 1);
@@ -343,11 +341,10 @@ weak_alias (__re_match_2, re_match_2)
 #endif
 
 int
-re_search_2 (bufp, string1, length1, string2, length2, start, range, regs, stop)
-    struct re_pattern_buffer *bufp;
-    const char *string1, *string2;
-    int length1, length2, start, range, stop;
-    struct re_registers *regs;
+re_search_2 (struct re_pattern_buffer *bufp,
+	     const char *string1, int length1,
+	     const char *string2, int length2, int start,
+	     int range, struct re_registers *regs,  int stop)
 {
   return re_search_2_stub (bufp, string1, length1, string2, length2,
 			   start, range, regs, stop, 0);
@@ -357,12 +354,11 @@ weak_alias (__re_search_2, re_search_2)
 #endif
 
 static int
-re_search_2_stub (bufp, string1, length1, string2, length2, start, range, regs,
-		  stop, ret_len)
-    struct re_pattern_buffer *bufp;
-    const char *string1, *string2;
-    int length1, length2, start, range, stop, ret_len;
-    struct re_registers *regs;
+re_search_2_stub (struct re_pattern_buffer *bufp,
+		  const char *string1, int length1,
+		  const char *string2, int length2, int start,
+		  int range, struct re_registers *regs,
+		  int stop, int ret_len)
 {
   const char *str;
   int rval;
@@ -402,11 +398,10 @@ re_search_2_stub (bufp, string1, length1, string2, length2, start, range, regs,
    otherwise the position of the match is returned.  */
 
 static int
-re_search_stub (bufp, string, length, start, range, stop, regs, ret_len)
-    struct re_pattern_buffer *bufp;
-    const char *string;
-    int length, start, range, stop, ret_len;
-    struct re_registers *regs;
+re_search_stub (struct re_pattern_buffer *bufp,
+		const char *string, int length, int start,
+		int range, int stop,
+		struct re_registers *regs, int ret_len)
 {
   reg_errcode_t result;
   regmatch_t *pmatch;
@@ -490,10 +485,9 @@ re_search_stub (bufp, string, length, start, range, stop, regs, ret_len)
 }
 
 static unsigned
-re_copy_regs (regs, pmatch, nregs, regs_allocated)
-    struct re_registers *regs;
-    regmatch_t *pmatch;
-    int nregs, regs_allocated;
+re_copy_regs (struct re_registers *regs,
+	      regmatch_t *pmatch,
+	      int nregs, int regs_allocated)
 {
   int rval = REGS_REALLOCATE;
   int i;
@@ -570,11 +564,11 @@ re_copy_regs (regs, pmatch, nregs, regs_allocated)
    freeing the old data.  */
 
 void
-re_set_registers (bufp, regs, num_regs, starts, ends)
-    struct re_pattern_buffer *bufp;
-    struct re_registers *regs;
-    unsigned num_regs;
-    regoff_t *starts, *ends;
+re_set_registers (struct re_pattern_buffer *bufp,
+		  struct re_registers *regs,
+		  unsigned num_regs,
+		  regoff_t *starts,
+		  regoff_t *ends)
 {
   if (num_regs)
     {
@@ -621,13 +615,11 @@ re_exec (s)
    (START + RANGE >= 0 && START + RANGE <= LENGTH)  */
 
 static reg_errcode_t
-re_search_internal (preg, string, length, start, range, stop, nmatch, pmatch,
-		    eflags)
-    const regex_t *preg;
-    const char *string;
-    int length, start, range, stop, eflags;
-    size_t nmatch;
-    regmatch_t pmatch[];
+re_search_internal (const regex_t *preg,
+		    const char *string,
+		    int length, int start, int range, int stop,
+		    size_t nmatch, regmatch_t pmatch[],
+		    int eflags)
 {
   reg_errcode_t err;
   const re_dfa_t *dfa = (const re_dfa_t *) preg->buffer;
@@ -947,8 +939,7 @@ re_search_internal (preg, string, length, start, range, stop, nmatch, pmatch,
 }
 
 static reg_errcode_t
-prune_impossible_nodes (mctx)
-     re_match_context_t *mctx;
+prune_impossible_nodes (re_match_context_t *mctx)
 {
   const re_dfa_t *const dfa = mctx->dfa;
   int halt_node, match_last;
-- 
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