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Moved slash conversion to collapse_path, and remove duplicate 

backslashes too.
This commit is contained in:
Alexandre Julliard 2004-03-22 22:59:25 +00:00
parent 075d6a1238
commit 94e3477d7f
1 changed files with 24 additions and 17 deletions
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41
dlls/ntdll/path.c
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@ -323,12 +323,19 @@ ULONG WINAPI RtlDosSearchPath_U(LPCWSTR paths, LPCWSTR search, LPCWSTR ext,
* Helper for RtlGetFullPathName_U.
* Get rid of . and .. components in the path.
*/
static inline void collapse_path( WCHAR *path )
static inline void collapse_path( WCHAR *path, UINT mark )
{
WCHAR *p, *next;
p = path;
/* convert every / into a \ */
for (p = path; *p; p++) if (*p == '/') *p = '\\';
/* collapse duplicate backslashes */
next = path + max( 1, mark );
for (p = next; *p; p++) if (*p != '\\' || next[-1] != '\\') *next++ = *p;
*next = 0;
p = path + mark;
while (*p)
{
if (*p == '.')
@ -337,28 +344,32 @@ static inline void collapse_path( WCHAR *path )
{
case '\\': /* .\ component */
next = p + 2;
while (*next == '\\') next++;
memmove( p, next, (strlenW(next) + 1) * sizeof(WCHAR) );
continue;
case 0: /* final . */
while (p > path && p[-1] == '\\') p--;
if (p > path + mark) p--;
*p = 0;
continue;
case '.':
if (p[2] == '\\') /* ..\ component */
{
next = p + 3;
while (*next == '\\') next++;
while (p > path && p[-1] == '\\') p--;
while (p > path && p[-1] != '\\') p--;
if (p > path + mark)
{
p--;
while (p > path + mark && p[-1] != '\\') p--;
}
memmove( p, next, (strlenW(next) + 1) * sizeof(WCHAR) );
continue;
}
else if (!p[2]) /* final .. */
{
while (p > path && p[-1] == '\\') p--;
while (p > path && p[-1] != '\\') p--;
while (p > path && p[-1] == '\\') p--;
if (p > path + mark)
{
p--;
while (p > path + mark && p[-1] != '\\') p--;
if (p > path + mark) p--;
}
*p = 0;
continue;
}
@ -367,11 +378,10 @@ static inline void collapse_path( WCHAR *path )
}
/* skip to the next component */
while (*p && *p != '\\') p++;
while (*p == '\\') p++;
if (*p == '\\') p++;
}
}
/******************************************************************
* get_full_path_helper
*
@ -382,7 +392,7 @@ static ULONG get_full_path_helper(LPCWSTR name, LPWSTR buffer, ULONG size)
{
ULONG reqsize = 0, mark = 0, dep = 0, deplen;
DOS_PATHNAME_TYPE type;
LPWSTR p, ins_str = NULL;
LPWSTR ins_str = NULL;
LPCWSTR ptr;
const UNICODE_STRING* cd;
WCHAR tmp[4];
@ -524,10 +534,7 @@ static ULONG get_full_path_helper(LPCWSTR name, LPWSTR buffer, ULONG size)
if (ins_str && ins_str != tmp && ins_str != cd->Buffer)
RtlFreeHeap(GetProcessHeap(), 0, ins_str);
/* convert every / into a \ */
for (p = buffer; *p; p++) if (*p == '/') *p = '\\';
collapse_path( buffer + mark );
collapse_path( buffer, mark );
reqsize = strlenW(buffer) * sizeof(WCHAR);
done: