Use "SetLastError" for errors in "GetProcAddress".

fancycode · fancycode · commit 536a5978360e · 2013-03-09T00:37:11.000+01:00
diff --git a/MemoryModule.c b/MemoryModule.c
@@ -448,12 +448,14 @@ FARPROC MemoryGetProcAddress(HMEMORYMODULE module, const char *name)
 	PIMAGE_DATA_DIRECTORY directory = GET_HEADER_DICTIONARY((PMEMORYMODULE)module, IMAGE_DIRECTORY_ENTRY_EXPORT);
 	if (directory->Size == 0) {
 		// no export table found
+		SetLastError(ERROR_PROC_NOT_FOUND);
 		return NULL;
 	}
 
 	exports = (PIMAGE_EXPORT_DIRECTORY) (codeBase + directory->VirtualAddress);
 	if (exports->NumberOfNames == 0 || exports->NumberOfFunctions == 0) {
 		// DLL doesn't export anything
+		SetLastError(ERROR_PROC_NOT_FOUND);
 		return NULL;
 	}
 
@@ -469,11 +471,13 @@ FARPROC MemoryGetProcAddress(HMEMORYMODULE module, const char *name)
 
 	if (idx == -1) {
 		// exported symbol not found
+		SetLastError(ERROR_PROC_NOT_FOUND);
 		return NULL;
 	}
 
 	if ((DWORD)idx > exports->NumberOfFunctions) {
 		// name <-> ordinal number don't match
+		SetLastError(ERROR_PROC_NOT_FOUND);
 		return NULL;
 	}
 

Original file line number	Diff line number	Diff line change
`@@ -448,12 +448,14 @@ FARPROC MemoryGetProcAddress(HMEMORYMODULE module, const char *name)`
`448`	`448`	`PIMAGE_DATA_DIRECTORY directory = GET_HEADER_DICTIONARY((PMEMORYMODULE)module, IMAGE_DIRECTORY_ENTRY_EXPORT);`
`449`	`449`	`if (directory->Size == 0) {`
`450`	`450`	`// no export table found`
	`451`	`+ SetLastError(ERROR_PROC_NOT_FOUND);`
`451`	`452`	`return NULL;`
`452`	`453`	`}`
`453`	`454`
`454`	`455`	`exports = (PIMAGE_EXPORT_DIRECTORY) (codeBase + directory->VirtualAddress);`
`455`	`456`	`if (exports->NumberOfNames == 0 \|\| exports->NumberOfFunctions == 0) {`
`456`	`457`	`// DLL doesn't export anything`
	`458`	`+ SetLastError(ERROR_PROC_NOT_FOUND);`
`457`	`459`	`return NULL;`
`458`	`460`	`}`
`459`	`461`
`@@ -469,11 +471,13 @@ FARPROC MemoryGetProcAddress(HMEMORYMODULE module, const char *name)`
`469`	`471`
`470`	`472`	`if (idx == -1) {`
`471`	`473`	`// exported symbol not found`
	`474`	`+ SetLastError(ERROR_PROC_NOT_FOUND);`
`472`	`475`	`return NULL;`
`473`	`476`	`}`
`474`	`477`
`475`	`478`	`if ((DWORD)idx > exports->NumberOfFunctions) {`
`476`	`479`	`// name <-> ordinal number don't match`
	`480`	`+ SetLastError(ERROR_PROC_NOT_FOUND);`
`477`	`481`	`return NULL;`
`478`	`482`	`}`
`479`	`483`