X-Git-Url: http://git.ipfire.org/?a=blobdiff_plain;f=tag.c;h=ecf7c1e9ce889514e04765695298ef11f28edab6;hb=c597ba801048be45d168b1f6335e91bab165448f;hp=28641cf85a0d32357269129f0e8b92bb9e21f399;hpb=3089c2b97a4d73866375a0ba815fc2fa4e2a1c1e;p=thirdparty%2Fgit.git

diff --git a/tag.c b/tag.c
index 28641cf85a..ecf7c1e9ce 100644
--- a/tag.c
+++ b/tag.c
@@ -4,6 +4,9 @@
 #include "tree.h"
 #include "blob.h"
 
+#define PGP_SIGNATURE "-----BEGIN PGP SIGNATURE-----"
+#define PGP_MESSAGE "-----BEGIN PGP MESSAGE-----"
+
 const char *tag_type = "tag";
 
 struct object *deref_tag(struct object *o, const char *warn, int warnlen)
@@ -53,7 +56,7 @@ static unsigned long parse_tag_date(const char *buf, const char *tail)
 	return strtoul(dateptr, NULL, 10);
 }
 
-int parse_tag_buffer(struct tag *item, void *data, unsigned long size)
+int parse_tag_buffer(struct tag *item, const void *data, unsigned long size)
 {
 	unsigned char sha1[20];
 	char type[20];
@@ -133,3 +136,15 @@ int parse_tag(struct tag *item)
 	free(data);
 	return ret;
 }
+
+size_t parse_signature(const char *buf, unsigned long size)
+{
+	char *eol;
+	size_t len = 0;
+	while (len < size && prefixcmp(buf + len, PGP_SIGNATURE) &&
+			prefixcmp(buf + len, PGP_MESSAGE)) {
+		eol = memchr(buf + len, '\n', size - len);
+		len += eol ? eol - (buf + len) + 1 : size - len;
+	}
+	return len;
+}