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Improve dead code elimination

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This commit is contained in:
Justine Tunney 2021-02-08 04:04:42 -08:00
parent 760db8c5ad
commit 0e36cb3ac4
6606 changed files with 9685 additions and 9854 deletions
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7
libc/fmt/strerror_r.c
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@ -294,7 +294,7 @@ XDEV\000\
XFULL\000\
\000";
const char *geterrname(long code) {
static const char *geterrname(long code) {
const long *e;
size_t i, n;
e = &E2BIG;
@ -313,17 +313,16 @@ const char *geterrname(long code) {
*/
int strerror_r(int err, char *buf, size_t size) {
const char *s;
char16_t buf16[100];
int winstate, sysvstate;
if (err == -1 || IsTiny()) {
s = "?";
} else {
s = firstnonnull(geterrname(err), "?");
}
if (!SupportsWindows()) {
DebugBreak();
snprintf(buf, size, "E%s[%d]", s, err);
} else {
char16_t buf16[100];
int winstate, sysvstate;
winstate = GetLastError();
sysvstate = errno;
if (FormatMessage(