X-Git-Url: http://git.marmaro.de/?p=mmh;a=blobdiff_plain;f=sbr%2Fgetthreadid.c;fp=sbr%2Fgetthreadid.c;h=99a7d67beb4db420331d7082c5c1a5d54bfbbcac;hp=0000000000000000000000000000000000000000;hb=c5368b86d4a3a42f9efe8aa56374d953a7faa9a4;hpb=ca984be73bdba8c9e807aa56be6403a7b790ed21

diff --git a/sbr/getthreadid.c b/sbr/getthreadid.c
new file mode 100644
index 0000000..99a7d67
--- /dev/null
+++ b/sbr/getthreadid.c
@@ -0,0 +1,61 @@
+#include <h/mh.h>
+#include <h/utils.h>
+#include <h/addrsbr.h>
+
+static char *threadid(char *, char *);
+
+char *
+getthreadid(const char *path)
+{
+	char *msgid = NULL;
+	char *referens = NULL;
+	char *ret;
+	struct field f = {{0}};
+	enum state state = FLD2;
+	FILE *file = fopen(path, "r");
+
+	while (state == FLD2 && !msgid && !referens) {
+		switch (state = m_getfld2(state, &f, file)) {
+		case FLD2:
+			if (strncasecmp("message-id", f.name, f.namelen)==0) {
+				msgid = f.value;
+				f.value = NULL;
+			} else if (strncasecmp("references", f.name, f.namelen)==0) {
+				referens = f.value;
+				f.value = NULL;
+			}
+			break;
+		default:
+			fclose(file);
+			break;
+		}
+	}
+
+	ret = threadid(msgid, referens);
+
+	mh_free0(&msgid);
+	mh_free0(&referens);
+
+	return ret;
+}
+
+static char *
+threadid(char *msgid, char *referens)
+{
+	char *threadfrom;
+	char *start, *end;
+	char *cp;
+
+	threadfrom = referens ? referens : msgid;
+
+	start = strchr(threadfrom, '<');
+	end = strchr(start, '>');
+	if (!(*start) || !(*end)) {
+		return NULL;
+	}
+	*end = '\0';
+	cp = mh_xstrdup(start + 1);
+	*end = '>';
+
+	return cp;
+}