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Diffstat (limited to 'usr.sbin/fdformat/fdformat.c')
-rw-r--r--usr.sbin/fdformat/fdformat.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/usr.sbin/fdformat/fdformat.c b/usr.sbin/fdformat/fdformat.c
index 341a161..b7bab86 100644
--- a/usr.sbin/fdformat/fdformat.c
+++ b/usr.sbin/fdformat/fdformat.c
@@ -95,7 +95,7 @@ verify_track(int fd, int track, int tracksize)
if (bufsz < tracksize)
buf = realloc(buf, bufsz = tracksize);
- if (buf == 0)
+ if (buf == NULL)
errx(EX_UNAVAILABLE, "out of memory");
if (lseek (fd, (long) track * tracksize, 0) < 0)
rv = -1;
@@ -205,7 +205,7 @@ main(int argc, char **argv)
if (stat(argv[optind], &sb) == -1 && errno == ENOENT) {
/* try prepending _PATH_DEV */
device = malloc(strlen(argv[optind]) + sizeof(_PATH_DEV) + 1);
- if (device == 0)
+ if (device == NULL)
errx(EX_UNAVAILABLE, "out of memory");
strcpy(device, _PATH_DEV);
strcat(device, argv[optind]);
@@ -252,7 +252,7 @@ main(int argc, char **argv)
if (format) {
getname(type, &name, &descr);
fdtp = get_fmt(format, type);
- if (fdtp == 0)
+ if (fdtp == NULL)
errx(EX_USAGE,
"unknown format %d KB for drive type %s",
format, name);
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