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https://github.com/jart/cosmopolitan.git
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e16a7d8f3b
`et` means `expandtab`. ```sh rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\) et\(.*\) :vi/vi: \1 xoet\2:vi/' rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\)noet\(.*\):vi/vi: \1et\2 :vi/' rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\)xoet\(.*\):vi/vi: \1noet\2:vi/' ```
63 lines
2.8 KiB
C
63 lines
2.8 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│ vi: set et ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi │
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2022 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/mem/mem.h"
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#include "libc/runtime/runtime.h"
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#include "libc/str/str.h"
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#include "libc/x/x.h"
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static inline int IsAlpha(int c) {
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return ('A' <= c && c <= 'Z') || ('a' <= c && c <= 'z');
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}
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/**
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* Fixes $PATH environment variable on Windows.
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*/
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void xfixpath(void) {
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size_t i;
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char *p, *path;
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path = strdup(getenv("PATH"));
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if (strstr(path, "C:\\") && strstr(path, ";")) {
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// turn backslash into slash
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for (p = path; *p; ++p) {
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if (*p == '\\') *p = '/';
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}
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// turn c:/... into /c/...
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if (IsAlpha(path[0]) && path[1] == ':' && path[2] == '/') {
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path[1] = path[0];
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path[0] = '/';
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}
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for (p = path, i = 0; p[i]; ++i) {
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if (p[i + 0] == ';' && IsAlpha(p[i + 1]) && p[i + 2] == ':' &&
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p[i + 3] == '/') {
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p[i + 2] = p[i + 1];
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p[i + 1] = '/';
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}
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}
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// turn semicolon into colon
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for (p = path; *p; ++p) {
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if (*p == ';') *p = ':';
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}
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setenv("PATH", path, true);
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}
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free(path);
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}
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