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authorRich Felker <dalias@aerifal.cx>2011-09-05 22:23:06 -0400
committerRich Felker <dalias@aerifal.cx>2011-09-05 22:23:06 -0400
commit96cea94ad258be262ecf15b33d13cf775e59720d (patch)
tree533a76158ab9473da5d0017d73e28105680f663e /src/stdlib/wcstoul.c
parent5989dde3459b2ccd304f89e3e875136e5608b8ff (diff)
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fix incorrect overflow errors on strtoul, etc.
Diffstat (limited to 'src/stdlib/wcstoul.c')
-rw-r--r--src/stdlib/wcstoul.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/src/stdlib/wcstoul.c b/src/stdlib/wcstoul.c
index e39faafe..9cbec1a8 100644
--- a/src/stdlib/wcstoul.c
+++ b/src/stdlib/wcstoul.c
@@ -6,8 +6,11 @@
 
 unsigned long wcstoul(const wchar_t *s, wchar_t **p, int base)
 {
-	uintmax_t x = wcstoumax(s, p, base);
-	if (x > ULONG_MAX) {
+ 	intmax_t x;
+	if (sizeof(intmax_t) == sizeof(long))
+		return wcstoumax(s, p, base);
+	x = wcstoimax(s, p, base);
+	if (-x > ULONG_MAX || x > ULONG_MAX) {
 		errno = ERANGE;
 		return ULONG_MAX;
 	}