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authorBjörn-Egil Dahlberg <[email protected]>2013-02-22 16:42:40 +0100
committerBjörn-Egil Dahlberg <[email protected]>2013-02-22 17:22:45 +0100
commit2c6fc163c4d20f813c692f80ffe401e8bd810496 (patch)
tree30cc2caa573c1621378c549278ec9eba9827f38f /erts/emulator/drivers/win32/win_efile.c
parentc8651ed773be1b8b222338c50f680a3164ce517c (diff)
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erts: Use correct type for ReadFile bytes read
Using a 64bit type for bytes read will not always clear the higher bits.
Diffstat (limited to 'erts/emulator/drivers/win32/win_efile.c')
-rw-r--r--erts/emulator/drivers/win32/win_efile.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/erts/emulator/drivers/win32/win_efile.c b/erts/emulator/drivers/win32/win_efile.c
index f2b0c8a843..1059fa5c3a 100644
--- a/erts/emulator/drivers/win32/win_efile.c
+++ b/erts/emulator/drivers/win32/win_efile.c
@@ -1159,8 +1159,11 @@ char* buf; /* Buffer to read into. */
size_t count; /* Number of bytes to read. */
size_t* pBytesRead; /* Where to return number of bytes read. */
{
- if (!ReadFile((HANDLE) fd, buf, count, (DWORD *) pBytesRead, NULL))
+ DWORD nbytes = 0;
+ if (!ReadFile((HANDLE) fd, buf, count, &nbytes, NULL))
return set_error(errInfo);
+
+ *pBytesRead = nbytes;
return 1;
}