liblinux/src/liblinux.c

57 lines
1.1 KiB
C

#include <liblinux.h>
#include <liblinux/syscall.h>
FILE __stdin_FILE = {
.fd = 0
};
FILE *stdin = &__stdin_FILE;
FILE __stdout_FILE = {
.fd = 1
};
FILE *stdout = &__stdout_FILE;
FILE __stderr_FILE = {
.fd = 2
};
FILE *stderr = &__stderr_FILE;
_Noreturn void sys_exit(int status) {
syscall(__NR_exit, status);
}
int sys_open(const char *pathname, int flags) {
return syscall(__NR_open, pathname, flags);
}
int sys_close(int fd) {
return syscall(__NR_close, fd);
}
ssize_t sys_write(int fd, const void *buf, size_t count) {
return syscall(__NR_write, fd, buf, count);
}
ssize_t sys_read(int fd, void *buf, size_t count) {
return syscall(__NR_read, fd, buf, count);
}
void *sys_mmap(void *addr, size_t len, int prot, int flags, int fildes, off_t off) {
return (void*)syscall(__NR_mmap, addr, len, prot, flags, fildes, off);
}
int sys_munmap(void *addr, size_t len) {
return syscall(__NR_munmap, addr, len);
}
int sys_rename(const char *old, const char *new) {
return syscall(__NR_rename, old, new);
}
ssize_t sys_getrandom(void *buf, size_t buflen, unsigned int flags) {
return syscall(__NR_getrandom, buf, buflen, flags);
}