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clearerr added into disk reading operations to recover from wrong actions (which sometimes occurs)

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svn-id: r3714
This commit is contained in:
Enrico Rolfi 2002-03-09 13:51:37 +00:00
parent 1f7b48f6df
commit 19b42ea38e
1 changed files with 8 additions and 3 deletions
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11
sys.cpp
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@ -62,7 +62,8 @@ uint32 Scumm::filePos(void *handle) {
void Scumm::fileSeek(void *file, long offs, int whence) {
switch(_fileMode) {
case 1: case 2:
fseek((FILE*)file, offs, whence);
if (fseek((FILE*)file, offs, whence)!=0)
clearerr((FILE*)file);
return;
case 3:
_whereInResToRead = offs;
@ -78,8 +79,10 @@ void Scumm::fileRead(void *file, void *ptr, uint32 size) {
if (size==0)
return;
if ((uint32)fread(ptr2, size, 1, (FILE*)file) != 1)
if ((uint32)fread(ptr2, size, 1, (FILE*)file) != 1) {
clearerr((FILE*)file);
_fileReadFailed = true;
}
do {
*ptr2++ ^= _encbyte;
@ -106,8 +109,10 @@ int Scumm::fileReadByte() {
switch(_fileMode) {
case 1:
if (fread(&b,1,1,(FILE*)_fileHandle) != 1)
if (fread(&b,1,1,(FILE*)_fileHandle) != 1) {
clearerr((FILE*)_fileHandle);
_fileReadFailed = true;
}
return b ^ _encbyte;
case 3: