Merge branch 'cygwin-3_5-branch'

This is more like an experiment, to see what v3.5.5 will bring when it
lands. And hoping that some of the gifts might have the result of fixing
those hangs/deadlocks I frequently experience when trying to Ctrl+C
something in a `tmux` session.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

newlib/libc/posix/collate.c

@@ -58,8 +58,9 @@ struct __collate_st_chain_pri __collate_chain_pri_table[TABLE_SIZE];
 void __collate_err(int ex, const char *f);
 
 int
-__collate_load_tables(encoding)
-	char *encoding;
+__collate_load_tables(
+	char *encoding
+)
 {
 	char buf[PATH_MAX];
 	FILE *fp;
@@ -113,8 +114,9 @@ __collate_load_tables(encoding)
 }
 
 u_char *
-__collate_substitute(s)
-	const u_char *s;
+__collate_substitute(
+	const u_char *s
+)
 {
 	int dest_len, len, nlen;
 	int delta = strlen((const char *) s);
@@ -143,9 +145,12 @@ __collate_substitute(s)
 }
 
 void
-__collate_lookup(t, len, prim, sec)
-	const u_char *t;
-	int *len, *prim, *sec;
+__collate_lookup(
+	const u_char *t,
+	int *len,
+	int *prim,
+	int *sec
+)
 {
 	struct __collate_st_chain_pri *p2;
 
@@ -165,8 +170,7 @@ __collate_lookup(t, len, prim, sec)
 }
 
 u_char *
-__collate_strdup(s)
-	u_char *s;
+__collate_strdup(u_char *s)
 {
 	u_char *t = (u_char *) strdup((const char *) s);
 

newlib/libc/posix/collcmp.c

@@ -40,8 +40,10 @@
  * "[a-z]"-type ranges with national characters.
  */
 
-int __collate_range_cmp (c1, c2)
-	int c1, c2;
+int __collate_range_cmp (
+	int c1,
+	int c2
+)
 {
 	static char s1[2], s2[2];
 	int ret;

newlib/libc/posix/engine.c

@@ -135,12 +135,13 @@ static char *pchar(int ch);
  ==	size_t nmatch, regmatch_t pmatch[], int eflags);
  */
 static int			/* 0 success, REG_NOMATCH failure */
-matcher(g, string, nmatch, pmatch, eflags)
-struct re_guts *g;
-char *string;
-size_t nmatch;
-regmatch_t pmatch[];
-int eflags;
+matcher(
+	struct re_guts *g,
+	char *string,
+	size_t nmatch,
+	regmatch_t pmatch[],
+	int eflags
+)
 {
 	char *endp;
 	int i;
@@ -346,12 +347,13 @@ int eflags;
  ==	char *stop, sopno startst, sopno stopst);
  */
 static char *			/* == stop (success) always */
-dissect(m, start, stop, startst, stopst)
-struct match *m;
-char *start;
-char *stop;
-sopno startst;
-sopno stopst;
+dissect(
+	struct match *m,
+	char *start,
+	char *stop,
+	sopno startst,
+	sopno stopst
+)
 {
 	int i;
 	sopno ss;		/* start sop of current subRE */
@@ -539,13 +541,14 @@ sopno stopst;
  ==	char *stop, sopno startst, sopno stopst, sopno lev);
  */
 static char *			/* == stop (success) or NULL (failure) */
-backref(m, start, stop, startst, stopst, lev)
-struct match *m;
-char *start;
-char *stop;
-sopno startst;
-sopno stopst;
-sopno lev;			/* PLUS nesting level */
+backref(
+	struct match *m,
+	char *start,
+	char *stop,
+	sopno startst,
+	sopno stopst,
+	sopno lev			/* PLUS nesting level */
+)
 {
 	int i;
 	sopno ss;		/* start sop of current subRE */
@@ -744,12 +747,13 @@ sopno lev;			/* PLUS nesting level */
  ==	char *stop, sopno startst, sopno stopst);
  */
 static char *			/* where tentative match ended, or NULL */
-fast(m, start, stop, startst, stopst)
-struct match *m;
-char *start;
-char *stop;
-sopno startst;
-sopno stopst;
+fast(
+	struct match *m,
+	char *start,
+	char *stop,
+	sopno startst,
+	sopno stopst
+)
 {
 	states st = m->st;
 	states fresh = m->fresh;
@@ -835,12 +839,13 @@ sopno stopst;
  ==	char *stop, sopno startst, sopno stopst);
  */
 static char *			/* where it ended */
-slow(m, start, stop, startst, stopst)
-struct match *m;
-char *start;
-char *stop;
-sopno startst;
-sopno stopst;
+slow(
+	struct match *m,
+	char *start,
+	char *stop,
+	sopno startst,
+	sopno stopst
+)
 {
 	states st = m->st;
 	states empty = m->empty;
@@ -931,13 +936,14 @@ sopno stopst;
  == #define	NNONCHAR	(CODEMAX-CHAR_MAX)
  */
 static states
-step(g, start, stop, bef, ch, aft)
-struct re_guts *g;
-sopno start;			/* start state within strip */
-sopno stop;			/* state after stop state within strip */
-states bef;			/* states reachable before */
-int ch;				/* character or NONCHAR code */
-states aft;			/* states already known reachable after */
+step(
+	struct re_guts *g,
+	sopno start,			/* start state within strip */
+	sopno stop,			/* state after stop state within strip */
+	states bef,			/* states reachable before */
+	int ch,				/* character or NONCHAR code */
+	states aft			/* states already known reachable after */
+)
 {
 	cset *cs;
 	sop s;

newlib/libc/posix/fnmatch.c

@@ -163,11 +163,12 @@ fnmatch(pattern, string, flags)
 }
 
 static int
-rangematch(pattern, test, flags, newp)
-	const char *pattern;
-	char test;
-	int flags;
-	char **newp;
+rangematch(
+	const char *pattern,
+	char test,
+	int flags,
+	char **newp
+)
 {
 	int negate, ok;
 	char c, c2;