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-rw-r--r--src/SFileReadFile.cpp1
-rw-r--r--src/StormPort.h1
2 files changed, 2 insertions, 0 deletions
diff --git a/src/SFileReadFile.cpp b/src/SFileReadFile.cpp
index f91d2af..3831165 100644
--- a/src/SFileReadFile.cpp
+++ b/src/SFileReadFile.cpp
@@ -868,6 +868,7 @@ DWORD WINAPI SFileSetFilePointer(HANDLE hFile, LONG lFilePos, LONG * plFilePosHi
if((LONGLONG)DeltaPos < 0)
{
if(NewPosition > FileSize) // Position is negative
+ SetLastError(ERROR_NEGATIVE_SEEK);
return SFILE_INVALID_POS;
}
diff --git a/src/StormPort.h b/src/StormPort.h
index 40e418c..1da974b 100644
--- a/src/StormPort.h
+++ b/src/StormPort.h
@@ -211,6 +211,7 @@
#define ERROR_NOT_ENOUGH_MEMORY ENOMEM
#define ERROR_NOT_SUPPORTED ENOTSUP
#define ERROR_INVALID_PARAMETER EINVAL
+ #define ERROR_NEGATIVE_SEEK EINVAL
#define ERROR_DISK_FULL ENOSPC
#define ERROR_ALREADY_EXISTS EEXIST
#define ERROR_INSUFFICIENT_BUFFER ENOBUFS