DLL函数加载失败时显示行号

chocolatl · Oct 24, 2019 · 8fb2b87 · 8fb2b87
1 parent c1d9392
commit 8fb2b87
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Showing 3 changed files with 11 additions and 6 deletions.
diff --git a/api.c b/api.c
@@ -4,10 +4,11 @@
 #include "api.h"
 #undef DEFINE_QL_API
 
+int errorLine;
 bool isLoaded = false;
 HMODULE libHandle;
 
-int loadQQLightAPI(void) {
+int loadQQLightAPI(int* pErrorLine) {
 
     // 一个玄学问题，不加Sleep(1)，只有一个插件时，插件刷新时会崩溃
     Sleep(1);
@@ -18,7 +19,7 @@ int loadQQLightAPI(void) {
         return -1;
     }
 
-    #define GET_DLL_FUNC(dname, ename) if((dname = GetProcAddress(libHandle, ename)) == NULL) goto laodFuncError;
+    #define GET_DLL_FUNC(dname, ename) if((dname = GetProcAddress(libHandle, ename)) == NULL) { errorLine = __LINE__; goto laodFuncError; }
 
     GET_DLL_FUNC(QL_getPluginPath, "Api_GetPath");
     GET_DLL_FUNC(QL_printLog, "Api_SendLog");
@@ -57,5 +58,6 @@ int loadQQLightAPI(void) {
 
     laodFuncError:
     FreeLibrary(libHandle);
+    *pErrorLine = errorLine;
     return -1;
 }
diff --git a/api.h b/api.h
@@ -13,7 +13,7 @@
 #define QLWS_API_H
 
 // loadQQLightAPI 
-EXTERN int loadQQLightAPI(void);
+EXTERN int loadQQLightAPI(int* pErrorLine);
 
 // QQLight API 
 EXTERN const char* __stdcall (*QL_getPluginPath)(const char* authCode);

diff --git a/main.c b/main.c
@@ -864,9 +864,12 @@ DllExport(int) Event_UpdataCookies(void) {
 }
 
 BOOL APIENTRY DllMain(HANDLE hModule, DWORD  ul_reason_for_call, LPVOID lpReserved) {
-
-    if(loadQQLightAPI() != 0) {
-        MessageBox(NULL, "The message.dll load failed", "error", MB_OK);
+    int errorLine;
+    char message[256];
+
+    if(loadQQLightAPI(&errorLine) != 0) {
+        sprintf(message, "The message.dll load failed. l=%d", errorLine);
+        MessageBox(NULL, message, "error", MB_OK);
         return FALSE;
     }