Author: delphij
Date: Mon May 11 07:20:37 2020
New Revision: 360892
URL: https://svnweb.freebsd.org/changeset/base/360892
Log:
MFC r360619:
- Fix logic error in swapoff case: follow same handling of p and
linelen in the swapon case.
- Use strlcpy instead of strncpy.
Modified:
stable/12/sbin/swapon/swapon.c
Directory Properties:
stable/12/ (props changed)
Modified: stable/12/sbin/swapon/swapon.c
==============================================================================
--- stable/12/sbin/swapon/swapon.c Mon May 11 07:01:10 2020
(r360891)
+++ stable/12/sbin/swapon/swapon.c Mon May 11 07:20:37 2020
(r360892)
@@ -548,8 +548,7 @@ swap_on_off_md(const char *name, char *mntops, int doi
ret = NULL;
goto err;
}
- strncpy(linebuf, p, linelen);
- linebuf[linelen - 1] = '\0';
+ strlcpy(linebuf, p, linelen);
errno = 0;
ul = strtoul(linebuf, &p, 10);
if (errno == 0) {
@@ -604,14 +603,13 @@ swap_on_off_md(const char *name, char *mntops, int doi
goto err;
}
p = fgetln(sfd, &linelen);
- if (p == NULL &&
- (linelen < 2 || linelen > sizeof(linebuf) - 1)) {
+ if (p == NULL ||
+ (linelen < 2 || linelen > sizeof(linebuf))) {
warn("mdconfig (list) unexpected output");
ret = NULL;
goto err;
}
- strncpy(linebuf, p, linelen);
- linebuf[linelen - 1] = '\0';
+ strlcpy(linebuf, p, linelen);
p = strchr(linebuf, ' ');
if (p != NULL)
*p = '\0';
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