mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-02-01 03:53:33 +00:00
af645fcbec
- Add Lua backtraces to redbean! - Wipe serving keys after redbean forks - Audit redbean to remove free via exit - Log SSL client ciphersuite preferences - Increase ASAN malloc() backtrace depth - Make GetSslRoots() behave as a singleton - Move leaks.c from LIBC_TESTLIB to LIBC_LOG - Add undocumented %n to printf() for newlines - Fix redbean memory leak reindexing inode change - Fix redbean memory leak with Fetch() DNS object - Restore original environ after __cxa_finalize() - Make backtrace always work after __cxa_finalize() - Introduce COUNTEXPR() diagnostic / benchmark tool - Fix a few more instances of errno being clobbered - Consolidate the ANSI color disabling internal APIs
67 lines
3 KiB
C
67 lines
3 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 2020 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/bits/bits.h"
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#include "libc/calls/calls.h"
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#include "libc/runtime/runtime.h"
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#include "libc/runtime/symbols.internal.h"
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#include "libc/str/str.h"
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static char *g_comdbg;
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static char g_comdbg_buf[PATH_MAX + 1];
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static optimizesize textstartup void g_comdbg_init() {
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char *p;
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size_t n;
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static bool once;
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if (!once) {
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if (!(g_comdbg = getenv("COMDBG"))) {
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p = program_executable_name;
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n = strlen(p);
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if (n > 4 && READ32LE(p + n - 4) == READ32LE(".dbg")) {
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g_comdbg = p;
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} else if (n > 4 && READ32LE(p + n - 4) == READ32LE(".com") &&
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n + 4 <= PATH_MAX) {
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mempcpy(mempcpy(g_comdbg_buf, p, n), ".dbg", 5);
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if (fileexists(g_comdbg_buf)) {
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g_comdbg = g_comdbg_buf;
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}
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} else if (n + 8 <= PATH_MAX) {
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mempcpy(mempcpy(g_comdbg_buf, p, n), ".com.dbg", 9);
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if (fileexists(g_comdbg_buf)) {
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g_comdbg = g_comdbg_buf;
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}
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}
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}
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once = true;
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}
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}
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/**
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* Returns path of binary with the debug information, or null.
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*
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* @return path to debug binary, or NULL
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*/
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const char *FindDebugBinary(void) {
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g_comdbg_init();
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return g_comdbg;
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}
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const void *const g_comdbg_ctor[] initarray = {
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g_comdbg_init,
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};
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