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https://github.com/jart/cosmopolitan.git
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0d748ad58e
This change fixes Cosmopolitan so it has fewer opinions about compiler warnings. The whole repository had to be cleaned up to be buildable in -Werror -Wall mode. This lets us benefit from things like strict const checking. Some actual bugs might have been caught too.
46 lines
2.5 KiB
C
46 lines
2.5 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2021 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/log/libfatal.internal.h"
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#include "libc/runtime/internal.h"
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#include "libc/str/str.h"
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textstartup bool __intercept_flag(int *argc, char *argv[], const char *flag) {
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/* asan isn't initialized yet at runlevel 300 */
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char *a;
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int i, j;
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bool found;
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found = false;
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for (j = i = 1; i <= *argc;) {
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a = argv[j++];
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if (a && !__strcmp(a, flag)) {
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found = true;
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--*argc;
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} else {
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/*
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* e.g. turns ----strace → --strace for execve.
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* todo: update this to allow ------strace etc.
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*/
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if (a && a[0] == '-' && a[1] == '-' && !__strcmp(a + 2, flag)) {
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a = (char *)flag;
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}
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argv[i++] = a;
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}
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}
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return found;
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}
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