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Diffstat (limited to 'time/tzset.c')
-rw-r--r--time/tzset.c21
1 files changed, 9 insertions, 12 deletions
diff --git a/time/tzset.c b/time/tzset.c
index 5cde0bfbd5..883a7ba1f0 100644
--- a/time/tzset.c
+++ b/time/tzset.c
@@ -163,7 +163,6 @@ __tzset_parse_tz (tz)
const char *tz;
{
register size_t l;
- char *tzbuf;
unsigned short int hh, mm, ss;
unsigned short int whichrule;
@@ -172,22 +171,22 @@ __tzset_parse_tz (tz)
tz_rules[0].name = tz_rules[1].name = "";
/* Get the standard timezone name. */
- tzbuf = strdupa (tz);
+ char *tzbuf = strdupa (tz);
if (sscanf (tz, "%[A-Za-z]", tzbuf) != 1)
{
/* Check for the quoted version. */
char *wp = tzbuf;
- if (*tz++ != '<')
+ if (__builtin_expect (*tz++ != '<', 0))
goto out;
while (isalnum (*tz) || *tz == '+' || *tz == '-')
*wp++ = *tz++;
- if (*tz++ != '>' || wp - tzbuf < 3)
+ if (__builtin_expect (*tz++ != '>' || wp - tzbuf < 3, 0))
goto out;
*wp = '\0';
}
- else if ((l = strlen (tzbuf)) < 3)
+ else if (__builtin_expect ((l = strlen (tzbuf)) < 3, 0))
goto out;
else
tz += l;
@@ -219,7 +218,7 @@ __tzset_parse_tz (tz)
for (l = 0; l < 3; ++l)
{
- while (isdigit(*tz))
+ while (isdigit (*tz))
++tz;
if (l < 2 && *tz == ':')
++tz;
@@ -228,32 +227,30 @@ __tzset_parse_tz (tz)
/* Get the DST timezone name (if any). */
if (*tz != '\0')
{
- char *n = tzbuf + strlen (tzbuf) + 1;
-
if (sscanf (tz, "%[A-Za-z]", tzbuf) != 1)
{
/* Check for the quoted version. */
char *wp = tzbuf;
const char *rp = tz;
- if (*rp++ != '<')
+ if (__builtin_expect (*rp++ != '<', 0))
/* Punt on name, set up the offsets. */
goto done_names;
while (isalnum (*rp) || *rp == '+' || *rp == '-')
*wp++ = *rp++;
- if (*rp++ != '>' || wp - tzbuf < 3)
+ if (__builtin_expect (*rp++ != '>' || wp - tzbuf < 3, 0))
/* Punt on name, set up the offsets. */
goto done_names;
*wp = '\0';
tz = rp;
}
- else if ((l = strlen (tzbuf)) < 3)
+ else if (__builtin_expect ((l = strlen (tzbuf)) < 3, 0))
/* Punt on name, set up the offsets. */
goto done_names;
else
tz += l;
- tz_rules[1].name = __tzstring (n);
+ tz_rules[1].name = __tzstring (tzbuf);
/* Figure out the DST offset from GMT. */
if (*tz == '-' || *tz == '+')