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Fix nt path format check (#744)

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Joshua Wierenga 2023-02-23 13:42:13 +11:00 • committed by GitHub
parent 94dcf81954
commit 08fef9b277
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1 changed files with 2 additions and 2 deletions
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4
libc/calls/mkntpath.c
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@ -79,7 +79,7 @@ textwindows int __mkntpath2(const char *path,
* 1. Need +1 for NUL-terminator * 1. Need +1 for NUL-terminator
* 2. Need +1 for UTF-16 overflow * 2. Need +1 for UTF-16 overflow
* 3. Need ≥2 for SetCurrentDirectory trailing slash requirement * 3. Need ≥2 for SetCurrentDirectory trailing slash requirement
* 5. Need ≥13 for mkdir() i.e. 1+8+3+1, e.g. "\\ffffffff.xxx\0" * 4. Need ≥13 for mkdir() i.e. 1+8+3+1, e.g. "\\ffffffff.xxx\0"
* which is an "8.3 filename" from the DOS days * which is an "8.3 filename" from the DOS days
*/ */
const char *q; const char *q;
@ -119,7 +119,7 @@ textwindows int __mkntpath2(const char *path,
q += 2; q += 2;
z -= 7; z -= 7;
x = 7; x = 7;
} else if (IsSlash(q[0]) && IsAlpha(q[1]) && IsSlash(q[2])) { } else if (IsAlpha(q[0]) && q[1] == ':' && IsSlash(q[2])) {
z = MIN(32767, PATH_MAX); z = MIN(32767, PATH_MAX);
// turn "c:\foo" into "\\?\c:\foo" // turn "c:\foo" into "\\?\c:\foo"
p[0] = '\\'; p[0] = '\\';