{
static char bufs[2][PATH_MAX + 1], *buf = bufs[0], *next_buf = bufs[1];
char cwd[1024] = "";
- int buf_index = 1, len;
+ int buf_index = 1;
int depth = MAXDEPTH;
char *last_elem = NULL;
if (*buf) {
if (!*cwd && !getcwd(cwd, sizeof(cwd)))
- die ("Could not get current working directory");
+ die_errno ("Could not get current working directory");
if (chdir(buf))
- die ("Could not switch to '%s'", buf);
+ die_errno ("Could not switch to '%s'", buf);
}
if (!getcwd(buf, PATH_MAX))
- die ("Could not get current working directory");
+ die_errno ("Could not get current working directory");
if (last_elem) {
- int len = strlen(buf);
+ size_t len = strlen(buf);
if (len + strlen(last_elem) + 2 > PATH_MAX)
die ("Too long path name: '%s/%s'",
buf, last_elem);
- buf[len] = '/';
- strcpy(buf + len + 1, last_elem);
+ if (len && buf[len-1] != '/')
+ buf[len++] = '/';
+ strcpy(buf + len, last_elem);
free(last_elem);
last_elem = NULL;
}
if (!lstat(buf, &st) && S_ISLNK(st.st_mode)) {
- len = readlink(buf, next_buf, PATH_MAX);
+ ssize_t len = readlink(buf, next_buf, PATH_MAX);
if (len < 0)
- die ("Invalid symlink: %s", buf);
+ die_errno ("Invalid symlink '%s'", buf);
if (PATH_MAX <= len)
die("symbolic link too long: %s", buf);
next_buf[len] = '\0';
}
if (*cwd && chdir(cwd))
- die ("Could not change back to '%s'", cwd);
+ die_errno ("Could not change back to '%s'", cwd);
return buf;
}
} else {
const char *cwd = get_pwd_cwd();
if (!cwd)
- die("Cannot determine the current working directory");
+ die_errno("Cannot determine the current working directory");
if (snprintf(buf, PATH_MAX, "%s/%s", cwd, path) >= PATH_MAX)
die("Too long path: %.*s", 60, path);
}