Xargon/Duckstation
1
0
Fork 0
mirror of https://github.com/RetroDECK/Duckstation.git synced 2025-01-19 06:45:39 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

ISOReader: Fix recursing into subdirectories

Browse source
This commit is contained in:
Connor McLaughlin 2021-03-02 01:37:14 +10:00
parent 93861f2977
commit f6b8e2121b
1 changed files with 19 additions and 7 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

26
src/common/iso_reader.cpp
View file

@ -1,6 +1,6 @@
#include "iso_reader.h"
#include "log.h"
#include "cd_image.h"
#include "log.h"
#include <cctype>
Log_SetChannel(ISOReader);
@ -84,12 +84,12 @@ std::optional<ISOReader::ISODirectoryEntry> ISOReader::LocateFile(const char* pa
// strip any leading slashes
const char* path_component_start = path;
while (*path_component_start == '/')
while (*path_component_start == '/' || *path_component_start == '\\')
path_component_start++;
u32 path_component_length = 0;
const char* path_component_end = path_component_start;
while (*path_component_end != '\0' && *path_component_end != '/')
while (*path_component_end != '\0' && *path_component_end != '/' && *path_component_end != '\\')
{
path_component_length++;
path_component_end++;
@ -133,11 +133,23 @@ std::optional<ISOReader::ISODirectoryEntry> ISOReader::LocateFile(const char* pa
if (de->filename_length < path_component_length)
continue;
// compare filename
if (!FilenamesEqual(de_filename, path_component_start, path_component_length) ||
de_filename[path_component_length] != ';')
if (de->flags & ISODirectoryEntryFlag_Directory)
{
continue;
// directories don't have the version? so check the length instead
if (de->filename_length != path_component_length ||
!FilenamesEqual(de_filename, path_component_start, path_component_length))
{
continue;
}
}
else
{
// compare filename
if (!FilenamesEqual(de_filename, path_component_start, path_component_length) ||
de_filename[path_component_length] != ';')
{
continue;
}
}
// found it. is this the file we're looking for?