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POSIX.1/stopgap measure: if "" is to be executed, fail with ENOENT 

immediately as there is no way for namei() to deal with this when
traversing $PATH.
This commit is contained in:
kleink 1997-04-24 18:55:51 +00:00
parent 753977f439
commit 44864185e6
1 changed files with 7 additions and 2 deletions
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9
lib/libc/gen/execvp.c
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@ -1,4 +1,4 @@
/* $NetBSD: execvp.c,v 1.1 1996/07/03 21:41:54 jtc Exp $ */
/* $NetBSD: execvp.c,v 1.2 1997/04/24 18:55:51 kleink Exp $ */
/*-
* Copyright (c) 1991, 1993
@ -37,7 +37,7 @@
#if 0
static char sccsid[] = "@(#)exec.c 8.1 (Berkeley) 6/4/93";
#else
static char rcsid[] = "$NetBSD: execvp.c,v 1.1 1996/07/03 21:41:54 jtc Exp $";
static char rcsid[] = "$NetBSD: execvp.c,v 1.2 1997/04/24 18:55:51 kleink Exp $";
#endif
#endif /* LIBC_SCCS and not lint */
@ -63,6 +63,11 @@ execvp(name, argv)
int eacces = 0, etxtbsy = 0;
char *bp, *cur, *path, buf[PATH_MAX];
/* "" is not a valid filename; check this before traversing PATH. */
if (name[0] == '\0') {
errno = ENOENT;
goto done;
}
/* If it's an absolute or relative path name, it's easy. */
if (strchr(name, '/')) {
bp = (char *)name;