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/*
* 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);
}
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