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If it isn't possible to determine the realpath() of ".", then simply 

give up on attempting to resolve any relative path - there's no hope.
This commit is contained in:
kre 2023-05-25 17:24:17 +00:00
parent 0ca4a2096b
commit d736f87f8e
1 changed files with 6 additions and 2 deletions
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8
usr.bin/realpath/realpath.c
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@ -1,4 +1,4 @@
/* $NetBSD: realpath.c,v 1.2 2022/07/21 09:47:31 kre Exp $ */ /* $NetBSD: realpath.c,v 1.3 2023/05/25 17:24:17 kre Exp $ */
/*- /*-
* SPDX-License-Identifier: BSD-3-Clause * SPDX-License-Identifier: BSD-3-Clause
* *
@ -35,7 +35,7 @@
#if 0 #if 0
__FBSDID("$FreeBSD: head/bin/realpath/realpath.c 326025 2017-11-20 19:49:47Z pfg $"); __FBSDID("$FreeBSD: head/bin/realpath/realpath.c 326025 2017-11-20 19:49:47Z pfg $");
#else #else
__RCSID("$NetBSD: realpath.c,v 1.2 2022/07/21 09:47:31 kre Exp $"); __RCSID("$NetBSD: realpath.c,v 1.3 2023/05/25 17:24:17 kre Exp $");
#endif #endif
#endif /* not lint */ #endif /* not lint */
@ -132,6 +132,10 @@ process(char *path)
if (p == NULL) { if (p == NULL) {
p = realpath(".", buf); p = realpath(".", buf);
if (p == NULL) {
warnx("relative path; current location unknown");
return false;
}
if ((size_t)snprintf(buf2, sizeof buf2, "%s/%s", buf, path) if ((size_t)snprintf(buf2, sizeof buf2, "%s/%s", buf, path)
>= sizeof buf2) { >= sizeof buf2) {
if (!qflag) if (!qflag)