char* FAST_FUNC xmalloc_realpath_coreutils(const char *path)
{
char *buf;
errno = 0;
buf = xmalloc_realpath(path);
/*
* There is one case when "readlink -f" and
* "realpath" from coreutils succeed,
* even though file does not exist, such as:
* /tmp/file_does_not_exist
* (the directory must exist).
*/
if (!buf && errno == ENOENT) {
char *last_slash = strrchr(path, '/');
if (last_slash) {
*last_slash++ = '\0';
buf = xmalloc_realpath(path);
if (buf) {
unsigned len = strlen(buf);
buf = xrealloc(buf, len + strlen(last_slash) + 2);
buf[len++] = '/';
strcpy(buf + len, last_slash);
}
}
}
return buf;
}
int realpath_main(int argc UNUSED_PARAM, char **argv)
{
int retval = EXIT_SUCCESS;
if (!*++argv) {
bb_show_usage();
}
do {
char *resolved_path = xmalloc_realpath(*argv);
if (resolved_path != NULL) {
puts(resolved_path);
free(resolved_path);
} else {
retval = EXIT_FAILURE;
bb_simple_perror_msg(*argv);
}
} while (*++argv);
fflush_stdout_and_exit(retval);
}
