1#include "cache.h"
2
3static const char *get_pwd_cwd(void)
4{
5	static char cwd[PATH_MAX + 1];
6	char *pwd;
7	struct stat cwd_stat, pwd_stat;
8	if (getcwd(cwd, PATH_MAX) == NULL)
9		return NULL;
10	pwd = getenv("PWD");
11	if (pwd && strcmp(pwd, cwd)) {
12		stat(cwd, &cwd_stat);
13		if (!stat(pwd, &pwd_stat) &&
14		    pwd_stat.st_dev == cwd_stat.st_dev &&
15		    pwd_stat.st_ino == cwd_stat.st_ino) {
16			strlcpy(cwd, pwd, PATH_MAX);
17		}
18	}
19	return cwd;
20}
21
22const char *make_nonrelative_path(const char *path)
23{
24	static char buf[PATH_MAX + 1];
25
26	if (is_absolute_path(path)) {
27		if (strlcpy(buf, path, PATH_MAX) >= PATH_MAX)
28			die("Too long path: %.*s", 60, path);
29	} else {
30		const char *cwd = get_pwd_cwd();
31		if (!cwd)
32			die("Cannot determine the current working directory");
33		if (snprintf(buf, PATH_MAX, "%s/%s", cwd, path) >= PATH_MAX)
34			die("Too long path: %.*s", 60, path);
35	}
36	return buf;
37}
38