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- #48746, revert previous about volume. Fix volume support to allow all mounted points (with or without drives)

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This commit is contained in:
Pierre Joye 2009-09-01 17:50:59 +00:00
parent d23c3869e0
commit fd6f91ffed
1 changed files with 23 additions and 21 deletions
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44
TSRM/tsrm_virtual_cwd.c
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@ -671,6 +671,7 @@ static int tsrm_realpath_r(char *path, int start, int len, int *ll, time_t *t, i
int bufindex = 0, rname_len = 0, isabsolute = 0;
wchar_t * reparsetarget;
WCHAR szVolumePathNames[MAX_PATH];
BOOL isVolume = FALSE;
if(++(*ll) > LINK_MAX) {
return -1;
@ -718,35 +719,36 @@ static int tsrm_realpath_r(char *path, int start, int len, int *ll, time_t *t, i
}
if(isabsolute && rname_len > 4) {
/* Skip first 4 characters if they are "\\?\" and fetch the drive name */
if ((reparsetarget[rname_off] == L'\\' && reparsetarget[rname_off + 1] == L'\\' &&
reparsetarget[rname_off + 2] == L'?' && reparsetarget[rname_off + 3] == L'\\')) {
BOOL res;
res = GetVolumePathNameW(reparsetarget, szVolumePathNames, MAX_PATH);
if (!res) {
return -1;
}
reparsetarget = szVolumePathNames;
rname_off = 0;
rname_len = wcslen(szVolumePathNames);
/* Do not resolve volumes (for now). A mounted point can
target a volume without a drive, it is not certain that
all IO functions we use in php and its deps support
path with volume GUID instead of the DOS way, like:
d:\test\mnt\foo
\\?\Volume{62d1c3f8-83b9-11de-b108-806e6f6e6963}\foo
*/
if (wcsncmp(reparsetarget, L"\\??\\Volume{",11) == 0
|| wcsncmp(reparsetarget, L"\\\\?\\Volume{",11) == 0) {
isVolume = TRUE;
} else
/* Skip first 4 characters if they are "\??\"*/
if (reparsetarget[rname_off] == L'\\' && reparsetarget[rname_off + 1] == L'?' &&
reparsetarget[rname_off + 2] == L'?' && reparsetarget[rname_off + 3] == L'\\') {
/* do not use the \??\ and \\?\ prefix*/
if (wcsncmp(reparsetarget, L"\\??\\", 4) == 0
|| wcsncmp(reparsetarget, L"\\\\?\\", 4) == 0) {
rname_off += 4;
rname_len -= 4;
}
}
if (!isVolume) {
/* Convert wide string to narrow string */
for(bufindex = 0; bufindex < rname_len; bufindex++) {
*(path + bufindex) = (char)(reparsetarget[rname_off + bufindex]);
}
/* Convert wide string to narrow string */
for(bufindex = 0; bufindex < rname_len; bufindex++) {
*(path + bufindex) = (char)(reparsetarget[rname_off + bufindex]);
*(path + bufindex) = 0;
j = bufindex;
} else {
j = rname_len + 1;
}
*(path + bufindex) = 0;
tsrm_free_alloca(pbuffer, use_heap_large);
j = bufindex;
if(isabsolute == 1) {
if (!((j == 3) && (path[1] == ':') && (path[2] == '\\'))) {