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path: root/src/libstddjb/ucharn_scan_little.c
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Diffstat (limited to 'src/libstddjb/ucharn_scan_little.c')
-rw-r--r--src/libstddjb/ucharn_scan_little.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/src/libstddjb/ucharn_scan_little.c b/src/libstddjb/ucharn_scan_little.c
new file mode 100644
index 0000000..5b66af5
--- /dev/null
+++ b/src/libstddjb/ucharn_scan_little.c
@@ -0,0 +1,18 @@
+/* ISC license. */
+
+#include <skalibs/fmtscan.h>
+
+unsigned int ucharn_scan_little (char const *s, char *key, unsigned int n)
+{
+ register unsigned int i = 0 ;
+ for (; i < n ; i++)
+ {
+ unsigned char c = fmtscan_num(s[(i<<1)+1], 16) ;
+ if (c > 0xF) return 0 ;
+ key[i] = c << 4 ;
+ c = fmtscan_num(s[i<<1], 16) ;
+ if (c > 0xF) return 0 ;
+ key[i] += c ;
+ }
+ return n << 1 ;
+}