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Win32: non-ASCII names in ngx_fs_bsize(), ngx_fs_available().

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This fixes potentially incorrect cache size calculations and non-working
"min_free" when using cache in directories with non-ASCII names.
This commit is contained in:
Maxim Dounin 2023-02-23 20:50:03 +03:00
parent acf3f86572
commit f4c0711c86
1 changed files with 42 additions and 4 deletions
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46
src/os/win32/ngx_files.c
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@ -967,12 +967,31 @@ ngx_directio_off(ngx_fd_t fd)
size_t
ngx_fs_bsize(u_char *name)
{
u_long sc, bs, nfree, ncl;
u_long sc, bs, nfree, ncl;
size_t len;
u_short *u;
u_short utf16[NGX_UTF16_BUFLEN];
if (GetDiskFreeSpace((const char *) name, &sc, &bs, &nfree, &ncl) == 0) {
len = NGX_UTF16_BUFLEN;
u = ngx_utf8_to_utf16(utf16, name, &len, 0);
if (u == NULL) {
return 512;
}
if (GetDiskFreeSpaceW(u, &sc, &bs, &nfree, &ncl) == 0) {
if (u != utf16) {
ngx_free(u);
}
return 512;
}
if (u != utf16) {
ngx_free(u);
}
return sc * bs;
}
@ -980,12 +999,31 @@ ngx_fs_bsize(u_char *name)
off_t
ngx_fs_available(u_char *name)
{
ULARGE_INTEGER navail;
size_t len;
u_short *u;
ULARGE_INTEGER navail;
u_short utf16[NGX_UTF16_BUFLEN];
if (GetDiskFreeSpaceEx((const char *) name, &navail, NULL, NULL) == 0) {
len = NGX_UTF16_BUFLEN;
u = ngx_utf8_to_utf16(utf16, name, &len, 0);
if (u == NULL) {
return NGX_MAX_OFF_T_VALUE;
}
if (GetDiskFreeSpaceExW(u, &navail, NULL, NULL) == 0) {
if (u != utf16) {
ngx_free(u);
}
return NGX_MAX_OFF_T_VALUE;
}
if (u != utf16) {
ngx_free(u);
}
return (off_t) navail.QuadPart;
}