diff options
| -rw-r--r-- | procps/sysctl.c | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/procps/sysctl.c b/procps/sysctl.c index 5303460f9..6d77185ca 100644 --- a/procps/sysctl.c +++ b/procps/sysctl.c @@ -56,9 +56,32 @@ enum { static void sysctl_dots_to_slashes(char *name) { - char *cptr, *last_good, *end; + char *cptr, *last_good, *end, *slash; char end_ch; + end = strchrnul(name, '='); + + slash = strchrnul(name, '/'); + if (slash < end + && strchrnul(name, '.') < slash + ) { + /* There are both dots and slashes, and 1st dot is + * before 1st slash. + * (IOW: not raw, unmangled a/b/c.d format) + * + * procps supports this syntax for names with dots: + * net.ipv4.conf.eth0/100.mc_forwarding + * (dots and slashes are simply swapped) + */ + while (end != name) { + end--; + if (*end == '.') *end = '/'; + else if (*end == '/') *end = '.'; + } + return; + } + /* else: use our old behavior: */ + /* Convert minimum number of '.' to '/' so that * we end up with existing file's name. * @@ -77,7 +100,6 @@ static void sysctl_dots_to_slashes(char *name) * * To set up testing: modprobe 8021q; vconfig add eth0 100 */ - end = strchrnul(name, '='); end_ch = *end; *end = '.'; /* trick the loop into trying full name too */ @@ -114,6 +136,8 @@ static int sysctl_act_on_setting(char *setting) while (*cptr) { if (*cptr == '/') *cptr = '.'; + else if (*cptr == '.') + *cptr = '/'; cptr++; } |