54 lines
1.5 KiB
C++
54 lines
1.5 KiB
C++
/*
|
|
* Copyright (c) 2015 Andrew Kelley
|
|
*
|
|
* This file is part of zig, which is MIT licensed.
|
|
* See http://opensource.org/licenses/MIT
|
|
*/
|
|
|
|
#include "os.hpp"
|
|
#include "util.hpp"
|
|
|
|
#include <unistd.h>
|
|
#include <errno.h>
|
|
|
|
void os_spawn_process(const char *exe, ZigList<const char *> &args, bool detached) {
|
|
pid_t pid = fork();
|
|
if (pid == -1)
|
|
zig_panic("fork failed");
|
|
if (pid != 0)
|
|
return;
|
|
if (detached) {
|
|
if (setsid() == -1)
|
|
zig_panic("process detach failed");
|
|
}
|
|
|
|
const char **argv = allocate<const char *>(args.length + 2);
|
|
argv[0] = exe;
|
|
argv[args.length + 1] = nullptr;
|
|
for (int i = 0; i < args.length; i += 1) {
|
|
argv[i + 1] = args.at(i);
|
|
}
|
|
execvp(exe, const_cast<char * const *>(argv));
|
|
zig_panic("execvp failed: %s", strerror(errno));
|
|
}
|
|
|
|
void os_path_split(Buf *full_path, Buf *out_dirname, Buf *out_basename) {
|
|
if (buf_len(full_path) <= 2)
|
|
zig_panic("TODO full path small");
|
|
int last_index = buf_len(full_path) - 1;
|
|
if (buf_ptr(full_path)[buf_len(full_path) - 1] == '/') {
|
|
last_index = buf_len(full_path) - 2;
|
|
}
|
|
for (int i = last_index; i >= 0; i -= 1) {
|
|
uint8_t c = buf_ptr(full_path)[i];
|
|
if (c == '/') {
|
|
buf_init_from_mem(out_dirname, buf_ptr(full_path), i);
|
|
buf_init_from_mem(out_basename, buf_ptr(full_path) + i + 1, buf_len(full_path) - (i + 1));
|
|
return;
|
|
}
|
|
}
|
|
buf_init_from_mem(out_dirname, ".", 1);
|
|
buf_init_from_buf(out_basename, full_path);
|
|
}
|
|
|