Pull is_numerical_keyid() into crypt.c.

A subsequent patch (re?)-introduces a call to is_numerical_keyid inside
find_keys().  Rather than duplicate the function, this patch pulls it
into crypt.c, where find_keys() and pgp_findKeys() can both call it.

1 files changed, 22 insertions, 0 deletions

diff --git a/crypt.c b/crypt.c
index 446352b0..0d5f456c 100644
--- a/crypt.c
+++ b/crypt.c
@@ -997,3 +997,25 @@ const char* crypt_get_fingerprint_or_id (char *p, const char **pphint,
   *pps = ps;
   return pfcopy;
 }
+
+
+/*
+ * Used by pgp_findKeys and find_keys to check if a crypt-hook
+ * value is a key id.
+ */
+
+short crypt_is_numerical_keyid (const char *s)
+{
+  /* or should we require the "0x"? */
+  if (strncmp (s, "0x", 2) == 0)
+    s += 2;
+  if (strlen (s) % 8)
+    return 0;
+  while (*s)
+    if (strchr ("0123456789ABCDEFabcdef", *s++) == NULL)
+      return 0;
+
+  return 1;
+}
+
+