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Perform better fixups of NT paths in execve()

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This change ensures we do a better job translating /c/foo.bar paths into
c:/foo.bar paths on Windows when generating the CreateProcess() cmd line
thus fixing a regression that happened in the last two months when using
the help() feature of Actually Portable Python in the CMD.EXE shell.
This commit is contained in:
Justine Tunney 2022-06-08 18:17:08 -07:00
parent cfb5d3e406
commit 701564de19
4 changed files with 50 additions and 10 deletions
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6
libc/calls/mkntenvblock.c
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@ -72,12 +72,14 @@ static textwindows void FixPath(char *path) {
// turn \c\... into c:\...
p = path;
if (p[0] == '/' && IsAlpha(p[1]) && p[2] == '/') {
if ((p[0] == '/' | p[0] == '\\') && IsAlpha(p[1]) &&
(p[2] == '/' || p[2] == '\\')) {
p[0] = p[1];
p[1] = ':';
}
for (; *p; ++p) {
if (p[0] == ';' && p[1] == '/' && IsAlpha(p[2]) && p[3] == '/') {
if (p[0] == ';' && (p[1] == '/' || p[1] == '\\') && IsAlpha(p[2]) &&
(p[3] == '/' || p[3] == '\\')) {
p[1] = p[2];
p[2] = ':';
}