valter/dosbox-staging
1
0
Fork 0
Code Releases Activity

Added check, if file is already opened

Browse source 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@667
This commit is contained in:
Ulf Wohlers 2003-02-16 14:49:11 +00:00
parent a24eb6e286
commit ed773d7c46
1 changed files with 14 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

14
src/dos/dos_files.cpp
View file

@ -342,6 +342,20 @@ bool DOS_OpenFile(char * name,Bit8u flags,Bit16u * entry) {
} else {
/* First check if the name is correct */
if (!DOS_MakeName(name,fullname,&drive)) return false;
/* Check, if file is already opened */
for (i=0;i<DOS_FILES;i++) {
if (Files[i] && Files[i]->IsOpen() && Files[i]->IsName(fullname)) {
*entry = psp.FindEntryByHandle(i);
if (*entry==0xFF) {
// This shouldnt happen
LOG_ERROR("DOS: File %s is opened but has no psp entry.",name);
return false;
}
return true;
}
}
/* Check for a free file handle */
for (i=0;i<DOS_FILES;i++) {
if (!Files[i]) {