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platform/vfs.c: allow nthome and option path hooks without ending back-slash

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- This actually fixed option loading.

- Ongeki uses forward-slashes for Y:/SDDT/log
This commit is contained in:
Matt Bilker 2020-02-13 03:14:59 +00:00
parent 901cedce89
commit 8108ec2130
2 changed files with 38 additions and 10 deletions
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6
hooklib/path.h
View File

@ -2,6 +2,7 @@
#include <windows.h>
#include <stdbool.h>
#include <stddef.h>
typedef HRESULT (*path_hook_t)(
@ -11,3 +12,8 @@ typedef HRESULT (*path_hook_t)(
HRESULT path_hook_push(path_hook_t hook);
int path_compare_w(const wchar_t *string1, const wchar_t *string2, size_t count);
static inline bool path_is_separator_w(wchar_t c)
{
return c == L'\\' || c == L'/';
}

42
platform/vfs.c
View File

@ -28,10 +28,10 @@ static HRESULT vfs_reg_read_amfs(void *bytes, uint32_t *nbytes);
static HRESULT vfs_reg_read_appdata(void *bytes, uint32_t *nbytes);
static wchar_t vfs_nthome_real[MAX_PATH];
static const wchar_t vfs_nthome[] = L"C:\\Documents and Settings\\AppUser\\";
static const wchar_t vfs_nthome[] = L"C:\\Documents and Settings\\AppUser";
static const size_t vfs_nthome_len = _countof(vfs_nthome) - 1;
static const wchar_t vfs_option[] = L"C:\\Mount\\Option\\";
static const wchar_t vfs_option[] = L"C:\\Mount\\Option";
static const size_t vfs_option_len = _countof(vfs_option) - 1;
static const struct reg_hook_val vfs_reg_vals[] = {
@ -190,7 +190,7 @@ static void vfs_fixup_path(wchar_t *path, size_t max_count)
count = wcslen(path);
}
if (path[count - 1] == L'\\' || path[count - 1] == L'/') {
if (path_is_separator_w(path[count - 1])) {
return;
}
@ -268,7 +268,7 @@ static HRESULT vfs_path_hook(const wchar_t *src, wchar_t *dest, size_t *count)
assert(src != NULL);
assert(count != NULL);
if (src[0] == L'\0' || src[1] != L':' || src[2] != L'\\') {
if (src[0] == L'\0' || src[1] != L':' || !path_is_separator_w(src[2])) {
return S_FALSE;
}
@ -315,6 +315,7 @@ static HRESULT vfs_path_hook_nthome(
{
size_t required;
size_t redir_len;
size_t shift;
assert(src != NULL);
assert(count != NULL);
@ -325,10 +326,20 @@ static HRESULT vfs_path_hook_nthome(
return S_FALSE;
}
/* Cut off the matched prefix, add the replaced prefix, count NUL */
/* Check if the character after vfs_nthome is a separator or the end of
the string */
if (!path_is_separator_w(src[vfs_nthome_len]) &&
src[vfs_nthome_len] != L'\0')
{
return S_FALSE;
}
/* Cut off the matched <prefix>\, add the replaced prefix, count NUL */
shift = path_is_separator_w(src[vfs_nthome_len]) ? 1 : 0;
redir_len = wcslen(vfs_nthome_real);
required = wcslen(src) - vfs_nthome_len + redir_len + 1;
required = wcslen(src) - vfs_nthome_len - shift + redir_len + 1;
if (dest != NULL) {
if (required > *count) {
@ -336,7 +347,7 @@ static HRESULT vfs_path_hook_nthome(
}
wcscpy_s(dest, *count, vfs_nthome_real);
wcscpy_s(dest + redir_len, *count - redir_len, src + vfs_nthome_len);
wcscpy_s(dest + redir_len, *count - redir_len, src + vfs_nthome_len + shift);
}
*count = required;
@ -351,6 +362,7 @@ static HRESULT vfs_path_hook_option(
{
size_t required;
size_t redir_len;
size_t shift;
assert(src != NULL);
assert(count != NULL);
@ -361,10 +373,20 @@ static HRESULT vfs_path_hook_option(
return S_FALSE;
}
/* Cut off the matched prefix, add the replaced prefix, count NUL */
/* Check if the character after vfs_nthome is a separator or the end of
the string */
if (!path_is_separator_w(src[vfs_option_len]) &&
src[vfs_option_len] != L'\0')
{
return S_FALSE;
}
/* Cut off the matched <prefix>\, add the replaced prefix, count NUL */
shift = path_is_separator_w(src[vfs_option_len]) ? 1 : 0;
redir_len = wcslen(vfs_config.option);
required = wcslen(src) - vfs_option_len + redir_len + 1;
required = wcslen(src) - vfs_option_len - shift + redir_len + 1;
if (dest != NULL) {
if (required > *count) {
@ -372,7 +394,7 @@ static HRESULT vfs_path_hook_option(
}
wcscpy_s(dest, *count, vfs_config.option);
wcscpy_s(dest + redir_len, *count - redir_len, src + vfs_option_len);
wcscpy_s(dest + redir_len, *count - redir_len, src + vfs_option_len + shift);
}
*count = required;