e9355c432
Michael Tokarev
2013-12-17
Subject
hostname: do not use gethostbyname() for "hostname -s"
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Commit Diff GitHub →
networking/hostname.c+5 -2
| @@ -106,7 +106,7 @@ int hostname_main(int argc UNUSED_PARAM, char **argv) | |
| OPT_i = 0x4, | |
| OPT_s = 0x8, | |
| OPT_F = 0x10, | |
| - | OPT_dfis = 0xf, |
| + | OPT_dfi = 0x7, |
| }; | |
| unsigned opts; | |
| @@ -134,7 +134,7 @@ int hostname_main(int argc UNUSED_PARAM, char **argv) | |
| if (applet_name[0] == 'd') /* dnsdomainname? */ | |
| opts = OPT_d; | |
| - | if (opts & OPT_dfis) { |
| + | if (opts & OPT_dfi) { |
| /* Cases when we need full hostname (or its part) */ | |
| struct hostent *hp; | |
| char *p; | |
| @@ -159,6 +159,9 @@ int hostname_main(int argc UNUSED_PARAM, char **argv) | |
| bb_putchar('\n'); | |
| } | |
| } | |
| + | } else if (opts & OPT_s) { |
| + | strchrnul(buf, '.')[0] = '\0'; |
| + | puts(buf); |
| } else if (opts & OPT_F) { | |
| /* Set the hostname */ | |
| do_sethostname(hostname_str, 1); | |