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..\ is valid if the result ends up in the root dir. Thanks ripsaw

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@3659
This commit is contained in:
Peter Veenstra 2010-11-09 08:35:57 +00:00
parent d7597b8dd8
commit c85116940e
1 changed files with 5 additions and 1 deletions
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6
src/dos/dos_files.cpp
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@ -206,11 +206,15 @@ bool DOS_ChangeDir(char const * const dir) {
const char * testdir=dir;
if (strlen(testdir) && testdir[1]==':') testdir+=2;
size_t len=strlen(testdir);
if (!len || (len>1 && testdir[len-1]=='\\')) {
if (!len) {
DOS_SetError(DOSERR_PATH_NOT_FOUND);
return false;
}
if (!DOS_MakeName(dir,fulldir,&drive)) return false;
if (strlen(fulldir) && testdir[len-1]=='\\') {
DOS_SetError(DOSERR_PATH_NOT_FOUND);
return false;
}
if (Drives[drive]->TestDir(fulldir)) {
strcpy(Drives[drive]->curdir,fulldir);