diff options
Diffstat (limited to 'time/tzset.c')
| -rw-r--r-- | time/tzset.c | 48 |
1 files changed, 39 insertions, 9 deletions
diff --git a/time/tzset.c b/time/tzset.c index 45d70518a8..5cde0bfbd5 100644 --- a/time/tzset.c +++ b/time/tzset.c @@ -174,14 +174,26 @@ __tzset_parse_tz (tz) /* Get the standard timezone name. */ tzbuf = strdupa (tz); - if (sscanf (tz, "%[^0-9,+-]", tzbuf) != 1 || - (l = strlen (tzbuf)) < 3) + if (sscanf (tz, "%[A-Za-z]", tzbuf) != 1) + { + /* Check for the quoted version. */ + char *wp = tzbuf; + if (*tz++ != '<') + goto out; + + while (isalnum (*tz) || *tz == '+' || *tz == '-') + *wp++ = *tz++; + if (*tz++ != '>' || wp - tzbuf < 3) + goto out; + *wp = '\0'; + } + else if ((l = strlen (tzbuf)) < 3) goto out; + else + tz += l; tz_rules[0].name = __tzstring (tzbuf); - tz += l; - /* Figure out the standard offset from UTC. */ if (*tz == '\0' || (*tz != '+' && *tz != '-' && !isdigit (*tz))) goto out; @@ -217,13 +229,31 @@ __tzset_parse_tz (tz) if (*tz != '\0') { char *n = tzbuf + strlen (tzbuf) + 1; - if (sscanf (tz, "%[^0-9,+-]", n) != 1 || - (l = strlen (n)) < 3) - goto done_names; /* Punt on name, set up the offsets. */ - tz_rules[1].name = __tzstring (n); + if (sscanf (tz, "%[A-Za-z]", tzbuf) != 1) + { + /* Check for the quoted version. */ + char *wp = tzbuf; + const char *rp = tz; + if (*rp++ != '<') + /* Punt on name, set up the offsets. */ + goto done_names; + + while (isalnum (*rp) || *rp == '+' || *rp == '-') + *wp++ = *rp++; + if (*rp++ != '>' || wp - tzbuf < 3) + /* Punt on name, set up the offsets. */ + goto done_names; + *wp = '\0'; + tz = rp; + } + else if ((l = strlen (tzbuf)) < 3) + /* Punt on name, set up the offsets. */ + goto done_names; + else + tz += l; - tz += l; + tz_rules[1].name = __tzstring (n); /* Figure out the DST offset from GMT. */ if (*tz == '-' || *tz == '+') |