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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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9
libc/calls/ioctl-tiocgwinsz-nt.c
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@ -22,6 +22,7 @@
#include "libc/calls/struct/winsize.h"
#include "libc/nt/console.h"
#include "libc/nt/enum/startf.h"
#include "libc/nt/startupinfo.h"
#include "libc/nt/struct/consolescreenbufferinfoex.h"
#include "libc/str/str.h"
#include "libc/sysv/errfuns.h"
@ -29,8 +30,10 @@
textwindows int ioctl_tiocgwinsz_nt(int fd, struct winsize *ws) {
int i, fds[3];
uint32_t mode;
struct NtStartupInfo startinfo;
struct NtConsoleScreenBufferInfoEx sbinfo;
fds[0] = fd, fds[1] = 1, fds[2] = 0;
GetStartupInfo(&startinfo);
for (i = 0; i < ARRAYLEN(fds); ++i) {
if (__isfdkind(fds[i], kFdFile) || __isfdkind(fds[i], kFdConsole)) {
if (GetConsoleMode(g_fds.p[fds[i]].handle, &mode)) {
@ -42,9 +45,9 @@ textwindows int ioctl_tiocgwinsz_nt(int fd, struct winsize *ws) {
ws->ws_xpixel = 0;
ws->ws_ypixel = 0;
return 0;
} else if (__nt_startupinfo.dwFlags & kNtStartfUsecountchars) {
ws->ws_col = __nt_startupinfo.dwXCountChars;
ws->ws_row = __nt_startupinfo.dwYCountChars;
} else if (startinfo.dwFlags & kNtStartfUsecountchars) {
ws->ws_col = startinfo.dwXCountChars;
ws->ws_row = startinfo.dwYCountChars;
ws->ws_xpixel = 0;
ws->ws_ypixel = 0;
return 0;