diff options
| author | наб <[email protected]> | 2021-05-16 14:26:42 +0200 |
|---|---|---|
| committer | Brian Behlendorf <[email protected]> | 2021-05-20 08:55:31 -0700 |
| commit | 359b6cca0f858808790023c5c5a562dcd92cbf43 (patch) | |
| tree | 3d776c9fd21af4e48642b9ceeec0fbbbc8068124 /cmd/zgenhostid | |
| parent | 6fc3099248f04591d7d7bf05078482f794b38eaa (diff) | |
zgenhostid: use argument path directly
Reviewed-by: John Kennedy <[email protected]>
Reviewed-by: Brian Behlendorf <[email protected]>
Signed-off-by: Ahelenia Ziemiańska <[email protected]>
Closes #12042
Diffstat (limited to 'cmd/zgenhostid')
| -rw-r--r-- | cmd/zgenhostid/zgenhostid.c | 16 |
1 files changed, 3 insertions, 13 deletions
diff --git a/cmd/zgenhostid/zgenhostid.c b/cmd/zgenhostid/zgenhostid.c index 5a9bdad7c..4a4ca80e0 100644 --- a/cmd/zgenhostid/zgenhostid.c +++ b/cmd/zgenhostid/zgenhostid.c @@ -36,8 +36,6 @@ #include <time.h> #include <unistd.h> -static void usage(void); - static void usage(void) { @@ -60,12 +58,11 @@ int main(int argc, char **argv) { /* default file path, can be optionally set by user */ - char path[PATH_MAX] = "/etc/hostid"; + const char *path = "/etc/hostid"; /* holds converted user input or lrand48() generated value */ unsigned long input_i = 0; int opt; - int pathlen; int force_fwrite = 0; while ((opt = getopt_long(argc, argv, "fo:h?", 0, 0)) != -1) { switch (opt) { @@ -73,14 +70,7 @@ main(int argc, char **argv) force_fwrite = 1; break; case 'o': - pathlen = snprintf(path, sizeof (path), "%s", optarg); - if (pathlen >= sizeof (path)) { - fprintf(stderr, "%s\n", strerror(EOVERFLOW)); - exit(EXIT_FAILURE); - } else if (pathlen < 1) { - fprintf(stderr, "%s\n", strerror(EINVAL)); - exit(EXIT_FAILURE); - } + path = optarg; break; case 'h': case '?': @@ -118,7 +108,7 @@ main(int argc, char **argv) if (force_fwrite == 0 && stat(path, &fstat) == 0 && S_ISREG(fstat.st_mode)) { fprintf(stderr, "%s: %s\n", path, strerror(EEXIST)); - exit(EXIT_FAILURE); + exit(EXIT_FAILURE); } /* |