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Make fatcosmocc good enough to build Lua 5.4.6

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make all test CC=fatcosmocc AR='fatcosmoar rcu'

This change introduces a program named mktemper.com which provides more
reliable and secure temporary file name generation for scripts. It also
makes our ar.com program more permissive in what commands it'll accept.
The cosmocc command is improved by this change too.
This commit is contained in:
Justine Tunney 2023-08-12 16:44:04 -07:00
parent 566cb5963f
commit 399d14aadf
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GPG key ID: BE714B4575D6E328
17 changed files with 612 additions and 629 deletions
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11
libc/runtime/cocmd.c
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@ -578,20 +578,25 @@ static int Env(void) {
return 0;
}
static int Exec(void) {
static wontreturn void Exec(void) {
Shift(1);
return ShellExec();
if (!ShellExec()) {
_Exit(0); // can happen for builtins
} else {
perror("exec");
_Exit(127); // sh exec never returns
}
}
static int TryBuiltin(void) {
if (!n) return exitstatus;
if (!strcmp(args[0], "exit")) Exit();
if (!strcmp(args[0], "exec")) Exec();
if (!strcmp(args[0], "cd")) return Cd();
if (!strcmp(args[0], "rm")) return Rm();
if (!strcmp(args[0], "[")) return Test();
if (!strcmp(args[0], "cat")) return Cat();
if (!strcmp(args[0], "env")) return Env();
if (!strcmp(args[0], "exec")) return Exec();
if (!strcmp(args[0], "wait")) return Wait();
if (!strcmp(args[0], "echo")) return Echo();
if (!strcmp(args[0], "read")) return Read();