Changeset 762

Timestamp:

07/14/06 01:11:45 (6 years ago)

Author:

wd

Message:

Add recursion protection to log.c

File:

• branches/ithildin-1.1/source/log.c (modified) (3 diffs)

branches/ithildin-1.1/source/log.c

@@ -83 +83 @@
 }
 
+/* Recursion protection for logged messages.  If we log_*() and then hook an
+ * event which generates a log_*() we can end up in serious trouble. :) */
+#define LOG_RECURSE_MAX 10
+static uint32_t log_recursed;
+
 void log_vmsg(enum logtypes type, const char *mod, const char *msg,
         va_list ap) {
@@ -91 +96 @@
         return; /* avoid doing anything for debug messages when we don't
                    want to */
+
+    log_recursed++;
+    if (log_recursed == LOG_RECURSE_MAX) {
+        log_recursed--;
+        return;
+    }
 
     vsnprintf(logmsg, LOG_MSG_MAXLEN, msg, ap);
@@ -115 +126 @@
             break;
     }
+
+    log_recursed--;
 }