From 080105f79f73512f4a30820403821e416affe98e Mon Sep 17 00:00:00 2001
From: Zeev Suraski <zeev@php.net>
Date: Sat, 22 May 1999 11:20:56 +0000
Subject: [PATCH] Give more information and save log lines in memory leak
 reports

---
 Zend/zend.h             |  1 +
 Zend/zend_alloc.c       | 29 ++++++++++++++++++++++++++---
 Zend/zend_execute_API.c |  5 ++---
 3 files changed, 29 insertions(+), 6 deletions(-)

diff --git a/Zend/zend.h b/Zend/zend.h
index 2a397b9a53..4318c5dd21 100644
--- a/Zend/zend.h
+++ b/Zend/zend.h
@@ -221,5 +221,6 @@ extern zend_utility_values zend_uv;
 #define ZMSG_FAILED_REQUIRE_FOPEN		3L
 #define ZMSG_FAILED_HIGHLIGHT_FOPEN		4L
 #define ZMSG_MEMORY_LEAK_DETECTED		5L
+#define ZMSG_MEMORY_LEAK_REPEATED		6L
 
 #endif /* _ZEND_H */
diff --git a/Zend/zend_alloc.c b/Zend/zend_alloc.c
index 1848388c70..d54f00608b 100644
--- a/Zend/zend_alloc.c
+++ b/Zend/zend_alloc.c
@@ -340,6 +340,11 @@ ZEND_API void start_memory_manager(void)
 ZEND_API void shutdown_memory_manager(int silent, int clean_cache)
 {
 	mem_header *p, *t;
+#if ZEND_DEBUG
+	char *last_filename = NULL;
+	uint last_lineno = 0;
+	uint leak_count=0, total_bytes=0;
+#endif
 	ALS_FETCH();
 
 	p=AG(head);
@@ -348,10 +353,23 @@ ZEND_API void shutdown_memory_manager(int silent, int clean_cache)
 		if (!t->cached || clean_cache) {
 #if ZEND_DEBUG
 			if (!t->cached) {
-				/* does not use zend_error() *intentionally* */
-				if (!silent) {
-					zend_message_dispatcher(ZMSG_MEMORY_LEAK_DETECTED, t);
+				if (last_filename != t->filename || last_lineno!=t->lineno) {
+					/* flush old leak */
+					if (leak_count>0) {
+						if (!silent && leak_count>1) {
+							zend_message_dispatcher(ZMSG_MEMORY_LEAK_REPEATED, (void *) leak_count-1);
+						}
+						leak_count=0;
+						total_bytes=0;
+					}
+					last_filename = t->filename;
+					last_lineno = t->lineno;
+					if (!silent) {
+						zend_message_dispatcher(ZMSG_MEMORY_LEAK_DETECTED, t);
+					}
 				}
+				leak_count++;
+				total_bytes += t->size;
 			}
 #endif
 			p = t->pNext;
@@ -362,6 +380,11 @@ ZEND_API void shutdown_memory_manager(int silent, int clean_cache)
 			t = t->pNext;
 		}
 	}
+#if ZEND_DEBUG
+	if (!silent && leak_count>1) {
+		zend_message_dispatcher(ZMSG_MEMORY_LEAK_REPEATED, (void *) leak_count-1);
+	}
+#endif
 }
 
 
diff --git a/Zend/zend_execute_API.c b/Zend/zend_execute_API.c
index 180462ed2d..526b965906 100644
--- a/Zend/zend_execute_API.c
+++ b/Zend/zend_execute_API.c
@@ -35,16 +35,15 @@ static void (*original_sigsegv_handler)(int);
 static void zend_handle_sigsegv(int dummy)
 {
 	fflush(stdout);
+	fflush(stderr);
 	signal(SIGSEGV, original_sigsegv_handler);
-/*
-	printf("SIGSEGV caught on opcode %d on opline %d of %s() at %s:%d\n\n",
+	fprintf(stderr, "SIGSEGV caught on opcode %d on opline %d of %s() at %s:%d\n\n",
 			active_opline->opcode,
 			active_opline-EG(active_op_array)->opcodes,
 			get_active_function_name(),
 			zend_get_executed_filename(),
 			zend_get_executed_lineno());
 	original_sigsegv_handler(dummy);
-*/
 }
 
 
-- 
2.40.0