mirror of
https://github.com/torvalds/linux.git
synced 2024-11-19 02:21:47 +00:00
38 lines
883 B
C
38 lines
883 B
C
|
#include "cache.h"
|
||
|
|
||
|
static const char *get_pwd_cwd(void)
|
||
|
{
|
||
|
static char cwd[PATH_MAX + 1];
|
||
|
char *pwd;
|
||
|
struct stat cwd_stat, pwd_stat;
|
||
|
if (getcwd(cwd, PATH_MAX) == NULL)
|
||
|
return NULL;
|
||
|
pwd = getenv("PWD");
|
||
|
if (pwd && strcmp(pwd, cwd)) {
|
||
|
stat(cwd, &cwd_stat);
|
||
|
if (!stat(pwd, &pwd_stat) &&
|
||
|
pwd_stat.st_dev == cwd_stat.st_dev &&
|
||
|
pwd_stat.st_ino == cwd_stat.st_ino) {
|
||
|
strlcpy(cwd, pwd, PATH_MAX);
|
||
|
}
|
||
|
}
|
||
|
return cwd;
|
||
|
}
|
||
|
|
||
|
const char *make_nonrelative_path(const char *path)
|
||
|
{
|
||
|
static char buf[PATH_MAX + 1];
|
||
|
|
||
|
if (is_absolute_path(path)) {
|
||
|
if (strlcpy(buf, path, PATH_MAX) >= PATH_MAX)
|
||
|
die("Too long path: %.*s", 60, path);
|
||
|
} else {
|
||
|
const char *cwd = get_pwd_cwd();
|
||
|
if (!cwd)
|
||
|
die("Cannot determine the current working directory");
|
||
|
if (snprintf(buf, PATH_MAX, "%s/%s", cwd, path) >= PATH_MAX)
|
||
|
die("Too long path: %.*s", 60, path);
|
||
|
}
|
||
|
return buf;
|
||
|
}
|