aboutsummaryrefslogtreecommitdiff
path: root/scan_ulong.c
diff options
context:
space:
mode:
Diffstat (limited to 'scan_ulong.c')
-rw-r--r--scan_ulong.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/scan_ulong.c b/scan_ulong.c
new file mode 100644
index 0000000..d70b334
--- /dev/null
+++ b/scan_ulong.c
@@ -0,0 +1,14 @@
+#include "scan.h"
+
+unsigned int scan_ulong(register const char *s,register unsigned long *u)
+{
+ register unsigned int pos = 0;
+ register unsigned long result = 0;
+ register unsigned long c;
+ while ((c = (unsigned long) (unsigned char) (s[pos] - '0')) < 10) {
+ result = result * 10 + c;
+ ++pos;
+ }
+ *u = result;
+ return pos;
+}