arduino/esp8266
1
0
Fork 0
mirror of https://github.com/esp8266/Arduino.git synced 2025-04-22 21:23:07 +03:00
Code

WiFiClientSecure: don't panic if memory allocation fails

Browse Source 
If it fails due to a malloc somewhere in bigint.c, we will still crash (although with a less obvious crash message). If it fails in increase_bm_data_size, axTLS will handle this and report that connection has been aborted. This error will be passed on to the user, so that an application can recover and attempt to reconnect.
This commit is contained in:
Ivan Grokhotkov 2016-02-26 18:41:04 +03:00
parent fcf9c0d7ce
commit fbe58b7b14
1 changed files with 0 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
libraries/ESP8266WiFi/src/WiFiClientSecure.cpp
View File

@ -532,10 +532,8 @@ extern "C" int ax_get_file(const char *filename, uint8_t **buf) {
extern "C" void* ax_port_malloc(size_t size, const char* file, int line) {
void* result = malloc(size);
if (result == nullptr) {
DEBUG_TLS_MEM_PRINT("%s:%d malloc %d failed, left %d\r\n", file, line, size, ESP.getFreeHeap());
panic();
}
if (size >= 1024) {
DEBUG_TLS_MEM_PRINT("%s:%d malloc %d, left %d\r\n", file, line, size, ESP.getFreeHeap());
@ -553,7 +551,6 @@ extern "C" void* ax_port_realloc(void* ptr, size_t size, const char* file, int l
void* result = realloc(ptr, size);
if (result == nullptr) {
DEBUG_TLS_MEM_PRINT("%s:%d realloc %d failed, left %d\r\n", file, line, size, ESP.getFreeHeap());
panic();
}
if (size >= 1024) {
DEBUG_TLS_MEM_PRINT("%s:%d realloc %d, left %d\r\n", file, line, size, ESP.getFreeHeap());
@ -563,9 +560,4 @@ extern "C" void* ax_port_realloc(void* ptr, size_t size, const char* file, int l
extern "C" void ax_port_free(void* ptr) {
free(ptr);
uint32_t *p = (uint32_t*) ptr;
size_t size = p[-3];
if (size >= 1024) {
DEBUG_TLS_MEM_PRINT("free %d, left %d\r\n", p[-3], ESP.getFreeHeap());
}
}