Remove compiler warnings when building Bionic.
Also add missing declarations to misc. functions.
Fix clearerr() implementation (previous was broken).
Handle feature test macros like _POSIX_C_SOURCE properly.
Change-Id: Icdc973a6b9d550a166fc2545f727ea837fe800c4
diff --git a/libc/regex/regerror.c b/libc/regex/regerror.c
index 894a939..838ec8f 100644
--- a/libc/regex/regerror.c
+++ b/libc/regex/regerror.c
@@ -78,7 +78,7 @@
size_t
regerror(int errcode, const regex_t *preg, char *errbuf, size_t errbuf_size)
{
- struct rerr *r;
+ const struct rerr *r;
size_t len;
int target = errcode &~ REG_ITOA;
char *s;
@@ -117,7 +117,7 @@
static char *
regatoi(const regex_t *preg, char *localbuf, int localbufsize)
{
- struct rerr *r;
+ const struct rerr *r;
for (r = rerrs; r->code != 0; r++)
if (strcmp(r->name, preg->re_endp) == 0)