From: John Hodge <tpg@mutabah.net>
Date: Sat, 7 Sep 2013 15:02:41 +0000 (+0800)
Subject: Usermode/libc - Fixed fflush not handling errors
X-Git-Tag: rel0.15~261
X-Git-Url: https://git.ucc.asn.au/?a=commitdiff_plain;h=263d8c11d3c4a00f03d7215e784fb261a7066715;p=tpg%2Facess2.git

Usermode/libc - Fixed fflush not handling errors
---

diff --git a/Usermode/Libraries/libc.so_src/stdio.c b/Usermode/Libraries/libc.so_src/stdio.c
index 7082f235..315f6985 100644
--- a/Usermode/Libraries/libc.so_src/stdio.c
+++ b/Usermode/Libraries/libc.so_src/stdio.c
@@ -300,9 +300,12 @@ int _fflush_int(FILE *fp)
 	case FILE_FLAG_MODE_APPEND:
 		_SysSeek(fp->FD, fp->BufferOfs, SEEK_SET);
 		len = _SysWrite(fp->FD, fp->Buffer, fp->BufferPos);
-		if( len < fp->BufferPos )
+		if( len != fp->BufferPos )
 			ret = 1;
-		fp->BufferPos -= len;
+		if( len <= fp->BufferPos )
+		{
+			fp->BufferPos -= len;
+		}
 		fp->BufferOfs = _SysTell(fp->FD);
 		break;
 		
@@ -312,7 +315,13 @@ int _fflush_int(FILE *fp)
 		len = _SysWrite(fp->FD, fp->Buffer, fp->BufferPos);
 		if( len != fp->BufferPos )
 			ret = 1;
-		fp->BufferPos -= len;
+		if( len <= fp->BufferPos )
+		{
+			fp->BufferPos -= len;
+		}
+		//else {
+		//	_SysDebug("Flush of %i failed, %s", fp->FD, strerror(errno));
+		//}
 		break;
 	default:
 		break;