fix: reset client report counters during initialization

CHANGELOG.md

@@ -4,6 +4,7 @@
 
 **Fixes**:
 
+- Reset client report counters during initialization ([#1632](https://github.com/getsentry/sentry-native/pull/1632))
 - macOS: cache VM regions for FP validation in the new unwinder. ([#1634](https://github.com/getsentry/sentry-native/pull/1634))
 
 ## 0.13.6

src/sentry_client_report.c

@@ -64,3 +64,13 @@ sentry__client_report_restore(sentry_client_report_t *report)
     }
     memset(report, 0, sizeof(*report));
 }
+
+void
+sentry__client_report_reset(void)
+{
+    for (int r = 0; r < SENTRY_DISCARD_REASON_MAX; r++) {
+        for (int c = 0; c < SENTRY_DATA_CATEGORY_MAX; c++) {
+            sentry__atomic_store((long *)&g_discard_counts[r][c], 0);
+        }
+    }
+}

src/sentry_client_report.h

@@ -63,4 +63,11 @@ bool sentry__client_report_save(sentry_client_report_t *report);
  */
 void sentry__client_report_restore(sentry_client_report_t *report);
 
+/**
+ * Reset all pending discard counters to zero.
+ * Called during sentry_init() so that stale counts from a previous session
+ * do not leak into the new one.
+ */
+void sentry__client_report_reset(void);
+
 #endif

src/sentry_core.c

@@ -172,6 +172,8 @@ sentry_init(sentry_options_t *options)
 
     sentry_close();
 
+    sentry__client_report_reset();
+
     sentry_logger_t logger = { NULL, NULL, SENTRY_LEVEL_DEBUG };
 
     if (options->debug) {