less spammy mupdf log

kjk · kjk · commit 6b691cef29dc · 2026-01-16T14:32:22.000+01:00
diff --git a/src/EngineMupdf.cpp b/src/EngineMupdf.cpp
@@ -1574,6 +1574,14 @@ static void fz_unlock_context_cs(void* user, int lock) {
 }
 
 static void fz_print_cb(void* user, const char* msg) {
+    static AtomicBool seenMsg;
+    if (str::Contains(msg, "generic error: couldn't find system font 'serif'")) {
+        // this floods the log in some files
+        if (seenMsg.Get()) {
+            return;
+        }
+        seenMsg.Set(true);
+    }
     if (!str::EndsWith(msg, "\n")) {
         msg = str::JoinTemp(msg, "\n");
     }

Original file line number	Diff line number	Diff line change
`@@ -1574,6 +1574,14 @@ static void fz_unlock_context_cs(void* user, int lock) {`
`1574`	`1574`	`}`
`1575`	`1575`
`1576`	`1576`	`static void fz_print_cb(void* user, const char* msg) {`
	`1577`	`+ static AtomicBool seenMsg;`
	`1578`	`+ if (str::Contains(msg, "generic error: couldn't find system font 'serif'")) {`
	`1579`	`+ // this floods the log in some files`
	`1580`	`+ if (seenMsg.Get()) {`
	`1581`	`+ return;`
	`1582`	`+ }`
	`1583`	`+ seenMsg.Set(true);`
	`1584`	`+ }`
`1577`	`1585`	`if (!str::EndsWith(msg, "\n")) {`
`1578`	`1586`	`msg = str::JoinTemp(msg, "\n");`
`1579`	`1587`	`}`