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Incorporate more small improvements

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This commit is contained in:
Justine Tunney 2023-07-23 10:57:18 -07:00
parent 1d4eb08fa1
commit f83eb440f7
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GPG key ID: BE714B4575D6E328
20 changed files with 121 additions and 256 deletions
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12
libc/sysv/errno.c
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@ -17,6 +17,7 @@
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/errno.h"
#include "libc/thread/tls.h"
/**
* Global variable for last error.
@ -31,3 +32,14 @@
* @see __errno_location() stable abi
*/
errno_t __errno;
/**
* Returns address of `errno` variable.
*/
errno_t *__errno_location(void) {
if (__tls_enabled) {
return &__get_tls()->tib_errno;
} else {
return &__errno;
}
}