!587 允许静态链接至musl的库调用musl log接口

Merge pull request !587 from Maplestory_zeng/master

porting/linux/user/src/hilog/hilog_adapter.c

@@ -91,7 +91,8 @@ static int SendMessage(HilogMsg *header, const char *tag, uint16_t tagLen, const
     return ret;
 }
 
-static int HiLogAdapterPrintArgs(
+HILOG_LOCAL_API
+int HiLogAdapterPrintArgs(
     const LogType type, const LogLevel level, const unsigned int domain, const char *tag, const char *fmt, va_list ap)
 {
     char buf[MAX_LOG_LEN] = {0};
@@ -112,6 +113,7 @@ static int HiLogAdapterPrintArgs(
     return SendMessage(&header, tag, tagLen + 1, buf, logLen + 1);
 }
 
+HILOG_LOCAL_API
 int HiLogAdapterPrint(LogType type, LogLevel level, unsigned int domain, const char *tag, const char *fmt, ...)
 {
     if (!HiLogAdapterIsLoggable(domain, tag, level)) {

porting/linux/user/src/hilog/vsnprintf_s_p.c

@@ -20,6 +20,8 @@
 #include <stdio.h>
 
 #include "malloc_impl.h"
+/* Do not malloc in vsnprintf, thus the log api can be called inside signal handler*/
+#define HILOG_PROHIBIT_ALLOCATION
 
 /* Define the max length of the string */
 #ifndef SECUREC_STRING_MAX_LEN
@@ -137,8 +139,8 @@ typedef enum {
 #endif
 
 #else
-#define SECUREC_MALLOC(x) (nullptr)
-#define SECUREC_FREE(x)   { printf("Malloc is not allowed, so free should not be possible to execute!"); std::abort(); }
+#define SECUREC_MALLOC(x) (NULL)
+#define SECUREC_FREE(x) {}
 #endif
 
 #if (defined(_WIN32) || defined(_WIN64) || defined(_MSC_VER)) || defined(__ARMCC_VERSION)