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Use memcpy instead of memmove since no overlaps here (copy from somewhere 

outside of the funciton to our stack).
This commit is contained in:
enami 2001-12-08 00:30:59 +00:00
parent 61551fba00
commit 689d72c0ba
1 changed files with 5 additions and 5 deletions
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10
lib/libc/gen/execvp.c
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@ -1,4 +1,4 @@
/* $NetBSD: execvp.c,v 1.19 2001/09/19 01:14:51 enami Exp $ */
/* $NetBSD: execvp.c,v 1.20 2001/12/08 00:30:59 enami Exp $ */
/*-
* Copyright (c) 1991, 1993
@ -38,7 +38,7 @@
#if 0
static char sccsid[] = "@(#)exec.c 8.1 (Berkeley) 6/4/93";
#else
__RCSID("$NetBSD: execvp.c,v 1.19 2001/09/19 01:14:51 enami Exp $");
__RCSID("$NetBSD: execvp.c,v 1.20 2001/12/08 00:30:59 enami Exp $");
#endif
#endif /* LIBC_SCCS and not lint */
@ -118,9 +118,9 @@ execvp(const char *name, char * const *argv)
(void)write(STDERR_FILENO, ": path too long\n", 16);
continue;
}
memmove(buf, p, lp);
memcpy(buf, p, lp);
buf[lp] = '/';
memmove(buf + lp + 1, name, ln);
memcpy(buf + lp + 1, name, ln);
buf[lp + ln + 1] = '\0';
retry: rwlock_rdlock(&__environ_lock);
@ -139,7 +139,7 @@ retry: rwlock_rdlock(&__environ_lock);
goto done;
memp[0] = _PATH_BSHELL;
memp[1] = bp;
(void)memmove(&memp[2], &argv[1], cnt * sizeof(*memp));
(void)memcpy(&memp[2], &argv[1], cnt * sizeof(*memp));
rwlock_rdlock(&__environ_lock);
(void)execve(_PATH_BSHELL, (char * const *)memp,
environ);