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Make more libc improvements

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- Make memmem() faster
- Make readdir() thread safe
- Remove 64kb limit from mkdeps.com
- Add old crypt() function from Musl
- Improve new fix-third-party.py tool
- Improve libc/isystem/ headers and fix bugs
This commit is contained in:
Justine Tunney 2022-08-06 17:18:40 -07:00
parent a8cf0f7e89
commit 6a5717a48f
50 changed files with 3783 additions and 280 deletions
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6
libc/log/backtrace2.c
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@ -120,18 +120,16 @@ static int PrintBacktraceUsingAddr2line(int fd, const struct StackFrame *bp) {
j += uint64toarray_radix16(addr - 1, buf + j) + 1;
}
argv[i++] = NULL;
if (sys_pipe(pipefds) == -1) {
if (sys_pipe2(pipefds, O_CLOEXEC) == -1) {
return -1;
}
if ((pid = vfork()) == -1) {
if ((pid = fork()) == -1) {
sys_close(pipefds[0]);
sys_close(pipefds[1]);
return -1;
}
if (!pid) {
sys_dup2(pipefds[1], 1);
if (pipefds[0] != 1) sys_close(pipefds[0]);
if (pipefds[1] != 1) sys_close(pipefds[1]);
sys_execve(addr2line, argv, environ);
_Exit(127);
}