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Remove Windows executable path guessing logic

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Unlike CMD.EXE, CreateProcess() doesn't care if an executable name ends
with .COM or .EXE. We now have the unbourne shell and bash working well
on Windows, so we don't need DOS anymore. Making this change will grant
us better performance, particularly for builds, because commandv() will
need to make fewer system calls. Path mangling magic still happens with
WinMain() and ntspawn() in order to do things like turn \ into / so the
interop works well at the borders. But all the code in libraries, which
did that, has been removed. It's not possible for libraries to abstract
the differences between paths.
This commit is contained in:
Justine Tunney 2023-09-21 08:13:50 -07:00
parent 0c5dd7b342
commit c88f95a892
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GPG key ID: BE714B4575D6E328
19 changed files with 125 additions and 610 deletions
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20
libc/str/path.h Normal file → Executable file
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@ -1,20 +0,0 @@
#ifndef COSMOPOLITAN_LIBC_STR_PATH_H_
#define COSMOPOLITAN_LIBC_STR_PATH_H_
#define _kPathAbs 1
#define _kPathDev 2
#define _kPathRoot 4
#define _kPathDos 8
#define _kPathWin 16
#define _kPathNt 32
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
int _classifypath(const char *) libcesque nosideeffect;
bool _isabspath(const char *) libcesque strlenesque;
bool _isdirsep(int) libcesque pureconst;
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_STR_PATH_H_ */