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Convert extended UNC paths to standard UNC format in windows_realpath

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This commit is contained in:
Andrea Mazzoleni 2026-08-16 21:37:32 +02:00
parent f9626f6e3e
commit f48e406d52
1 changed files with 12 additions and 3 deletions
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15
os/mingw.c
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@ -2047,9 +2047,18 @@ char* windows_realpath(const char* path, char* resolved_path)
resolved_path = u16tou8(resolved_path, conv_buf);
/* Windows prefixes paths with "\\?\" (UNC). Skip it if you want a standard path */
if (strncmp(resolved_path, "\\\\?\\", 4) == 0) {
memmove(resolved_path, resolved_path + 4, strlen(resolved_path) - 3);
/*
* Windows prefixes normalized paths with "\\?\" (for local drives)
* or "\\?\UNC\" (for network shares). Convert them to standard format.
*/
if (strncmp(resolved_path, "\\\\?\\UNC\\", 8) == 0) {
/* replace "\\?\UNC\" with "\\" */
resolved_path[0] = '\\';
resolved_path[1] = '\\';
memmove(resolved_path + 2, resolved_path + 8, strlen(resolved_path + 8) + 1);
} else if (strncmp(resolved_path, "\\\\?\\", 4) == 0) {
/* skip "\\?\" */
memmove(resolved_path, resolved_path + 4, strlen(resolved_path + 4) + 1);
}
return resolved_path;