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Improve linenoise and get it working on Windows

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Some progress has been made on introducing completion but there's been
difficulties using the Python C API to get local shell variables.
This commit is contained in:
Justine Tunney 2021-08-15 00:05:27 -07:00
parent 968474d291
commit 5029e20bef
23 changed files with 408 additions and 209 deletions
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1
libc/x/x.h
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@ -53,6 +53,7 @@ void *xunbinga(size_t, const char16_t *) attributeallocalign((1)) _XMAL _XRET;
void *xunbing(const char16_t *) _XMAL _XRET;
char16_t *utf8toutf16(const char *, size_t, size_t *) nodiscard;
char *utf16toutf8(const char16_t *, size_t, size_t *) nodiscard;
char *xhomedir(void) nodiscard;
/*───────────────────────────────────────────────────────────────────────────│─╗
│ cosmopolitan § eXtended apis » files ─╬─│┼

43
libc/x/xhomedir.c Normal file
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@ -0,0 +1,43 @@
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2021 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/dce.h"
#include "libc/runtime/runtime.h"
#include "libc/x/x.h"
/**
* Returns home directory.
*/
char *xhomedir(void) {
int fd;
const char *a, *b;
if ((a = getenv("HOME"))) {
b = "";
} else if (IsWindows()) {
a = getenv("HOMEDRIVE");
b = getenv("HOMEPATH");
if (!a || !b) {
a = "C:";
b = "";
}
} else {
a = ".";
b = "";
}
return xasprintf("%s%s", a, b);
}