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authorLaurent Bercot <ska-skaware@skarnet.org>2018-03-21 11:29:24 +0000
committerLaurent Bercot <ska-skaware@skarnet.org>2018-03-21 11:29:24 +0000
commit66ce7fde43f8e8306aecda5f8e52d9aef88e7765 (patch)
tree08662cf0e069877287704912165e69b1a633e75f /src/libstddjb/sig_scan.c
parent72a273ad3faeb9888a87264d0dd24b9f217aa557 (diff)
downloadskalibs-66ce7fde43f8e8306aecda5f8e52d9aef88e7765.tar.xz
Add sig_scan, sig0_scan
Diffstat (limited to 'src/libstddjb/sig_scan.c')
-rw-r--r--src/libstddjb/sig_scan.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/src/libstddjb/sig_scan.c b/src/libstddjb/sig_scan.c
new file mode 100644
index 0000000..f037d8c
--- /dev/null
+++ b/src/libstddjb/sig_scan.c
@@ -0,0 +1,34 @@
+/* ISC license. */
+
+#include <string.h>
+#include <strings.h>
+#include <skalibs/types.h>
+#include <skalibs/sig.h>
+
+static size_t sig_scan_norec (char const *s, int *sig)
+{
+ int r = sig_number(s) ;
+ if (r)
+ {
+ *sig = r ;
+ return strlen(s) ;
+ }
+ {
+ unsigned int u ;
+ size_t len = uint_scan(s, &u) ;
+ if (len) *sig = u ;
+ return len ;
+ }
+}
+
+size_t sig_scan (char const *s, int *sig)
+{
+ size_t len = sig_scan_norec(s, sig) ;
+ if (len) return len ;
+ if (!strncasecmp(s, "SIG", 3))
+ {
+ len = sig_scan_norec(s+3, sig) ;
+ if (len) return 3+len ;
+ }
+ return 0 ;
+}