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authorLaurent Bercot <ska-skaware@skarnet.org>2014-09-18 18:55:44 +0000
committerLaurent Bercot <ska-skaware@skarnet.org>2014-09-18 18:55:44 +0000
commit3534b428629be185e096be99e3bd5fdfe32d5544 (patch)
tree210ef3198ed66bc7f7b7bf6a85e4579f455e5a36 /src/libstddjb/ucharn_scan.c
downloadskalibs-3534b428629be185e096be99e3bd5fdfe32d5544.tar.xz
initial commit with rc for skalibs-2.0.0.0
Diffstat (limited to 'src/libstddjb/ucharn_scan.c')
-rw-r--r--src/libstddjb/ucharn_scan.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/src/libstddjb/ucharn_scan.c b/src/libstddjb/ucharn_scan.c
new file mode 100644
index 0000000..cdcc403
--- /dev/null
+++ b/src/libstddjb/ucharn_scan.c
@@ -0,0 +1,18 @@
+/* ISC license. */
+
+#include <skalibs/fmtscan.h>
+
+unsigned int ucharn_scan (char const *s, char *key, unsigned int n)
+{
+ register unsigned int i = 0 ;
+ for (; i < n ; i++)
+ {
+ unsigned char c = fmtscan_num(s[2*i], 16) ;
+ if (c > 0xF) return 0 ;
+ key[i] = c << 4 ;
+ c = fmtscan_num(s[2*i+1], 16) ;
+ if (c > 0xF) return 0 ;
+ key[i] += c ;
+ }
+ return n << 1 ;
+}