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Make improvements

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- Expand redbean UNIX module
- Expand redbean documentation
- Ensure Lua copyright is embedded in binary
- Increase the PATH_MAX limit especially on NT
- Use column major sorting for linenoise completions
- Fix some suboptimalities in redbean's new UNIX API
- Figured out right flags for Multics newline in raw mode
This commit is contained in:
Justine Tunney 2022-04-24 09:59:22 -07:00
parent cf3174dc74
commit 2046c0d2ae
305 changed files with 6602 additions and 4221 deletions
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15
libc/calls/setresuid.c
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@ -18,6 +18,7 @@
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/calls.h"
#include "libc/calls/internal.h"
#include "libc/calls/strace.internal.h"
/**
* Sets real, effective, and "saved" user ids.
@ -25,9 +26,17 @@
* @param real sets real user id or -1 to do nothing
* @param effective sets effective user id or -1 to do nothing
* @param saved sets saved user id or -1 to do nothing
* @see setreuid(), getauxval(AT_SECURE)
* @see setresgid(), getauxval(AT_SECURE)
* @raise ENOSYS on Windows NT
*/
int setresuid(uint32_t real, uint32_t effective, uint32_t saved) {
if (saved == -1) return setreuid(real, effective);
return sys_setresuid(real, effective, saved);
int rc;
if (saved != -1) {
rc = sys_setresuid(real, effective, saved);
} else {
// polyfill xnu and netbsd
rc = sys_setreuid(real, effective);
}
STRACE("setresuid(%d, %d, %d) → %d% m", real, effective, saved, rc);
return rc;
}