asukamikoto/segatools
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fixed AMFS path redirect with no E:/ drive present

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Dniel97 2024-02-27 16:49:27 +01:00
parent 629ded4018
commit f570869946
Signed by untrusted user: Dniel97
GPG Key ID: 6180B3C768FB2E08
2 changed files with 10 additions and 4 deletions
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2
README.md
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@ -1,6 +1,6 @@
# Segatools # Segatools
Version: `2024-02-22` Version: `2024-02-27`
Loaders and hardware emulators for SEGA games that run on the Nu and ALLS platforms. Loaders and hardware emulators for SEGA games that run on the Nu and ALLS platforms.

12
platform/vfs.c
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@ -277,11 +277,12 @@ static HRESULT vfs_path_hook(const wchar_t *src, wchar_t *dest, size_t *count)
const wchar_t *redir; const wchar_t *redir;
size_t required; size_t required;
size_t redir_len; size_t redir_len;
size_t src_len;
assert(src != NULL); assert(src != NULL);
assert(count != NULL); assert(count != NULL);
if (src[0] == L'\0' || src[1] != L':' || !path_is_separator_w(src[2])) { if (src[0] == L'\0' || src[1] != L':') {
return S_FALSE; return S_FALSE;
} }
@ -304,10 +305,15 @@ static HRESULT vfs_path_hook(const wchar_t *src, wchar_t *dest, size_t *count)
return S_FALSE; return S_FALSE;
} }
/* GetFileAttributesW would request the src "E:", so fix the src_len in
in order to redirect the drive letter successfully */
src_len = path_is_separator_w(src[2]) ? 3 : 2;
/* Cut off <prefix>\, replace with redir path, count NUL terminator */ /* Cut off <prefix>\, replace with redir path, count NUL terminator */
redir_len = wcslen(redir); redir_len = wcslen(redir);
required = wcslen(src) - 3 + redir_len + 1; required = wcslen(src) - src_len + redir_len + 1;
if (dest != NULL) { if (dest != NULL) {
if (required > *count) { if (required > *count) {
@ -315,7 +321,7 @@ static HRESULT vfs_path_hook(const wchar_t *src, wchar_t *dest, size_t *count)
} }
wcscpy_s(dest, *count, redir); wcscpy_s(dest, *count, redir);
wcscpy_s(dest + redir_len, *count - redir_len, src + 3); wcscpy_s(dest + redir_len, *count - redir_len, src + src_len);
} }
*count = required; *count = required;