regex: Make use of reallocf().

Use of reallocf is useful in libraries as we are not certain the
application will exit after NULL.

This somewhat reduces portability but if since you are building
this as part of libc it is likely you have our non-standard
reallocf(3) already.

Reviewed by:	ache
MFC after:	5 days

1 files changed, 6 insertions, 6 deletions

diff --git a/lib/libc/regex/regcomp.c b/lib/libc/regex/regcomp.c
index 55f9c04..f27a65a 100644
--- a/lib/libc/regex/regcomp.c
+++ b/lib/libc/regex/regcomp.c
@@ -1111,7 +1111,7 @@ allocset(struct parse *p)
 {
 	cset *cs, *ncs;
 
-	ncs = realloc(p->g->sets, (p->g->ncsets + 1) * sizeof(*ncs));
+	ncs = reallocf(p->g->sets, (p->g->ncsets + 1) * sizeof(*ncs));
 	if (ncs == NULL) {
 		SETERROR(REG_ESPACE);
 		return (NULL);
@@ -1174,7 +1174,7 @@ CHadd(struct parse *p, cset *cs, wint_t ch)
 	if (ch < NC)
 		cs->bmp[ch >> 3] |= 1 << (ch & 7);
 	else {
-		newwides = realloc(cs->wides, (cs->nwides + 1) *
+		newwides = reallocf(cs->wides, (cs->nwides + 1) *
 		    sizeof(*cs->wides));
 		if (newwides == NULL) {
 			SETERROR(REG_ESPACE);
@@ -1203,7 +1203,7 @@ CHaddrange(struct parse *p, cset *cs, wint_t min, wint_t max)
 		CHadd(p, cs, min);
 	if (min >= max)
 		return;
-	newranges = realloc(cs->ranges, (cs->nranges + 1) *
+	newranges = reallocf(cs->ranges, (cs->nranges + 1) *
 	    sizeof(*cs->ranges));
 	if (newranges == NULL) {
 		SETERROR(REG_ESPACE);
@@ -1227,7 +1227,7 @@ CHaddtype(struct parse *p, cset *cs, wctype_t wct)
 	for (i = 0; i < NC; i++)
 		if (iswctype(i, wct))
 			CHadd(p, cs, i);
-	newtypes = realloc(cs->types, (cs->ntypes + 1) *
+	newtypes = reallocf(cs->types, (cs->ntypes + 1) *
 	    sizeof(*cs->types));
 	if (newtypes == NULL) {
 		SETERROR(REG_ESPACE);
@@ -1350,7 +1350,7 @@ enlarge(struct parse *p, sopno size)
 	if (p->ssize >= size)
 		return 1;
 
-	sp = (sop *)realloc(p->strip, size*sizeof(sop));
+	sp = (sop *)reallocf(p->strip, size*sizeof(sop));
 	if (sp == NULL) {
 		SETERROR(REG_ESPACE);
 		return 0;
@@ -1368,7 +1368,7 @@ static void
 stripsnug(struct parse *p, struct re_guts *g)
 {
 	g->nstates = p->slen;
-	g->strip = (sop *)realloc((char *)p->strip, p->slen * sizeof(sop));
+	g->strip = (sop *)reallocf((char *)p->strip, p->slen * sizeof(sop));
 	if (g->strip == NULL) {
 		SETERROR(REG_ESPACE);
 		g->strip = p->strip;