proot/test/symlink.c

30 lines
673 B
C

#include <unistd.h> /* syscall(2), */
#include <stdio.h> /* perror(3), fprintf(3), */
#include <stdlib.h> /* exit(3), */
#include <sys/syscall.h> /* SYS_symlink, */
#include <fcntl.h> /* AT_FDCWD */
int main(int argc, char *argv[])
{
int status;
if (argc != 3) {
fprintf(stderr, "usage: symlink REFEREE REFERER\n");
exit(EXIT_FAILURE);
}
#if defined(SYS_symlink)
status = syscall(SYS_symlink, argv[1], argv[2]);
#elif defined(SYS_symlinkat)
status = syscall(SYS_symlinkat, argv[1], AT_FDCWD, argv[2]);
#else
#error "SYS_symlink and SYS_symlinkat doesn't exists"
#endif
if (status < 0) {
perror("symlink()");
exit(EXIT_FAILURE);
}
exit(EXIT_SUCCESS);
}