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#include <bits/panic.h>
#include <camellia.h>
#include <camellia/syscalls.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <elfload.h>
int unlink(const char *path) {
hid_t h = camellia_open(path, OPEN_WRITE);
if (h < 0) return errno = -h, -1;
long ret = _sys_remove(h);
if (ret < 0) return errno = -ret, -1;
return 0;
}
int rmdir(const char *path) {
(void)path;
__libc_panic("unimplemented");
}
int execv(const char *path, char *const argv[]) {
return execve(path, argv, NULL);
}
int execvp(const char *path, char *const argv[]) {
// TODO execvp
return execve(path, argv, NULL);
}
int execvpe(const char *path, char *const argv[], char *const envp[]) {
if (path[0] != '/') {
char *exp = malloc(strlen(path) + 6);
int ret;
strcpy(exp, "/bin/");
strcat(exp, path);
ret = execve(exp, argv, envp);
free(exp);
return ret;
}
return execve(path, argv, envp);
}
int execve(const char *path, char *const argv[], char *const envp[]) {
FILE *file = fopen(path, "e");
char hdr[4] = {0};
if (!file) {
return errno = ENOENT, -1;
}
fread(hdr, 1, 4, file);
fseek(file, 0, SEEK_SET);
if (!memcmp("\x7f""ELF", hdr, 4)) {
elf_execf(file, (void*)argv, (void*)envp);
fclose(file);
errno = EINVAL;
} else if (!memcmp("#!", hdr, 2)) {
char buf[256];
fseek(file, 2, SEEK_SET);
if (fgets(buf, sizeof buf, file)) {
const char *argv [] = {buf, path, NULL};
char *endl = strchr(buf, '\n');
if (endl) *endl = '\0';
execve(buf, (void*)argv, envp);
}
} else {
errno = EINVAL;
}
return -1;
}
pid_t getpgrp(void) {
__libc_panic("unimplemented");
}
int getgroups(int size, gid_t list[]) {
(void)size; (void)list;
__libc_panic("unimplemented");
}
int dup(int oldfd) {
return _sys_dup(oldfd, -1, 0);
}
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