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authorRich Felker <dalias@aerifal.cx>2011-02-12 00:22:29 -0500
committerRich Felker <dalias@aerifal.cx>2011-02-12 00:22:29 -0500
commit0b44a0315b47dd8eced9f3b7f31580cf14bbfc01 (patch)
tree6eaef0d8a720fa3da580de87b647fff796fe80b3 /src/stdlib/strtoull.c
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initial check-in, version 0.5.0 v0.5.0
Diffstat (limited to 'src/stdlib/strtoull.c')
-rw-r--r--src/stdlib/strtoull.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/src/stdlib/strtoull.c b/src/stdlib/strtoull.c
new file mode 100644
index 00000000..20aa7bde
--- /dev/null
+++ b/src/stdlib/strtoull.c
@@ -0,0 +1,14 @@
+#include <stdlib.h>
+#include <inttypes.h>
+#include <errno.h>
+#include <limits.h>
+
+unsigned long long strtoull(const char *s, char **p, int base)
+{
+	uintmax_t x = strtoumax(s, p, base);
+	if (x > ULLONG_MAX) {
+		errno = ERANGE;
+		return ULLONG_MAX;
+	}
+	return x;
+}