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Remove constant conditionals (dead-code).

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Some variables are set and never changed, making them constant.  This
means that code in the 'false' block of the conditional is unreachable.

In chan_skinny and res_config_ldap I used preprocessor directive `#if 0`
as I'm unsure if the unreachable code could be enabled in the future.

Change-Id: I62e2aac353d739fb3c983cf768933120f5fba059
This commit is contained in:
Corey Farrell
2017-12-18 16:36:21 -05:00
parent 11a1e07ad2
commit b3e839debd
5 changed files with 19 additions and 52 deletions
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46
main/stdtime/localtime.c
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@@ -1506,16 +1506,14 @@ static int tzparse(const char *name, struct state *sp, const int lastditch)
}
} else {
long theirstdoffset;
long theirdstoffset;
long theiroffset;
int isdst;
int i;
int j;
if (*name != '\0')
return -1;
/*
** Initial values of theirstdoffset and theirdstoffset.
** Initial values of theirstdoffset.
*/
theirstdoffset = 0;
for (i = 0; i < sp->timecnt; ++i) {
@@ -1526,19 +1524,6 @@ static int tzparse(const char *name, struct state *sp, const int lastditch)
break;
}
}
theirdstoffset = 0;
for (i = 0; i < sp->timecnt; ++i) {
j = sp->types[i];
if (sp->ttis[j].tt_isdst) {
theirdstoffset =
-sp->ttis[j].tt_gmtoff;
break;
}
}
/*
** Initially we're assumed to be in standard time.
*/
isdst = FALSE;
theiroffset = theirstdoffset;
/*
** Now juggle transition times and types
@@ -1550,32 +1535,13 @@ static int tzparse(const char *name, struct state *sp, const int lastditch)
if (sp->ttis[j].tt_ttisgmt) {
/* No adjustment to transition time */
} else {
/*
** If summer time is in effect, and the
** transition time was not specified as
** standard time, add the summer time
** offset to the transition time;
** otherwise, add the standard time
** offset to the transition time.
*/
/*
** Transitions from DST to DDST
** will effectively disappear since
** POSIX provides for only one DST
** offset.
*/
if (isdst && !sp->ttis[j].tt_ttisstd) {
sp->ats[i] += dstoffset -
theirdstoffset;
} else {
sp->ats[i] += stdoffset -
theirstdoffset;
}
/* Add the standard time offset to the transition time. */
sp->ats[i] += stdoffset - theirstdoffset;
}
theiroffset = -sp->ttis[j].tt_gmtoff;
if (sp->ttis[j].tt_isdst)
theirdstoffset = theiroffset;
else theirstdoffset = theiroffset;
if (!sp->ttis[j].tt_isdst) {
theirstdoffset = theiroffset;
}
}
/*
** Finally, fill in ttis.