mirror of
https://git.proxmox.com/git/wasi-libc
synced 2025-07-15 13:56:03 +00:00
24 lines
432 B
C
24 lines
432 B
C
#include <unistd.h>
|
|
#include <fcntl.h>
|
|
#include <errno.h>
|
|
|
|
int truncate(const char *path, off_t length)
|
|
{
|
|
int fd = open(path, O_WRONLY | O_CLOEXEC | O_NOCTTY);
|
|
if (fd < 0)
|
|
return -1;
|
|
|
|
int result = ftruncate(fd, length);
|
|
if (result < 0) {
|
|
int save_errno = errno;
|
|
(void)close(fd);
|
|
errno = save_errno;
|
|
return -1;
|
|
}
|
|
|
|
if (close(fd) < 0)
|
|
return -1;
|
|
|
|
return 0;
|
|
}
|