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sysctl: do slash/dot conversions only on name, not value part

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function                                             old     new   delta
sysctl_dots_to_slashes                                71      86     +15

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2019-02-08 16:02:39 +01:00
parent 1422ba6dea
commit 78301861ef
1 changed files with 5 additions and 3 deletions
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8
procps/sysctl.c
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@ -57,6 +57,7 @@ enum {
static void sysctl_dots_to_slashes(char *name) static void sysctl_dots_to_slashes(char *name)
{ {
char *cptr, *last_good, *end; char *cptr, *last_good, *end;
char end_ch;
/* Convert minimum number of '.' to '/' so that /* Convert minimum number of '.' to '/' so that
* we end up with existing file's name. * we end up with existing file's name.
@ -76,10 +77,11 @@ static void sysctl_dots_to_slashes(char *name)
* *
* To set up testing: modprobe 8021q; vconfig add eth0 100 * To set up testing: modprobe 8021q; vconfig add eth0 100
*/ */
end = name + strlen(name); end = strchrnul(name, '=');
last_good = name - 1; end_ch = *end;
*end = '.'; /* trick the loop into trying full name too */ *end = '.'; /* trick the loop into trying full name too */
last_good = name - 1;
again: again:
cptr = end; cptr = end;
while (cptr > last_good) { while (cptr > last_good) {
@ -96,7 +98,7 @@ static void sysctl_dots_to_slashes(char *name)
} }
cptr--; cptr--;
} }
*end = '\0'; *end = end_ch;
} }
static int sysctl_act_on_setting(char *setting) static int sysctl_act_on_setting(char *setting)