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-rw-r--r--archive.h15
1 files changed, 13 insertions, 2 deletions
diff --git a/archive.h b/archive.h
index e9d4648..addd94d 100644
--- a/archive.h
+++ b/archive.h
@@ -19,6 +19,7 @@
 #include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 #include <time.h>
 
 #include "imap.h"
@@ -148,17 +149,27 @@ pathUID(char path[static PATH_MAX], uint32_t uid, const char *type) {
 	return path;
 }
 
+static inline const char *pathMangle(const char *messageID) {
+	if (!strchr(messageID, '/')) return messageID;
+	static char buf[PATH_MAX];
+	strlcpy(buf, messageID, sizeof(buf));
+	for (char *ptr = buf; (ptr = strchr(ptr, '/')); ++ptr) {
+		*ptr = ';';
+	}
+	return buf;
+}
+
 static inline char *pathMessage(
 	char path[static PATH_MAX], const char *messageID, const char *type
 ) {
-	snprintf(path, PATH_MAX, "message/%s.%s", messageID, type);
+	snprintf(path, PATH_MAX, "message/%s.%s", pathMangle(messageID), type);
 	return path;
 }
 
 static inline char *pathThread(
 	char path[static PATH_MAX], const char *messageID, const char *type
 ) {
-	snprintf(path, PATH_MAX, "thread/%s.%s", messageID, type);
+	snprintf(path, PATH_MAX, "thread/%s.%s", pathMangle(messageID), type);
 	return path;
 }