From 1a0a832ac8b0cb26b0d67f979cf6e5d3e14d6fe1 Mon Sep 17 00:00:00 2001 From: Paul Eggert Date: Tue, 1 Nov 2005 23:41:56 +0000 Subject: (year): Arg is now syntax_bits rather than allow_century. All usages changed. Reject dates outside the range 1969-1999 if PDS_PRE_2000 is used. --- lib/posixtm.c | 18 +++++++++++------- 1 file changed, 11 insertions(+), 7 deletions(-) (limited to 'lib/posixtm.c') diff --git a/lib/posixtm.c b/lib/posixtm.c index 85936f3c6..5023c3442 100644 --- a/lib/posixtm.c +++ b/lib/posixtm.c @@ -62,8 +62,8 @@ time_t mktime (); (PDS_LEADING_YEAR | PDS_CENTURY | PDS_SECONDS) touch mmddhhmm[YY] FILE... (obsoleted by POSIX 1003.1-2001) - 8 or 10 digits - (PDS_TRAILING_YEAR) + 8 or 10 digits, YY (if present) must be in the range 69-99 + (PDS_TRAILING_YEAR | PDS_PRE_2000) date mmddhhmm[[CC]YY] 8, 10, or 12 digits @@ -72,7 +72,7 @@ time_t mktime (); */ static int -year (struct tm *tm, const int *digit_pair, size_t n, int allow_century) +year (struct tm *tm, const int *digit_pair, size_t n, unsigned int syntax_bits) { switch (n) { @@ -82,11 +82,15 @@ year (struct tm *tm, const int *digit_pair, size_t n, int allow_century) POSIX requires that 00-68 be interpreted as 2000-2068, and that 69-99 be interpreted as 1969-1999. */ if (digit_pair[0] <= 68) - tm->tm_year += 100; + { + if (syntax_bits & PDS_PRE_2000) + return 1; + tm->tm_year += 100; + } break; case 2: - if (!allow_century) + if (! (syntax_bits & PDS_CENTURY)) return 1; tm->tm_year = digit_pair[0] * 100 + digit_pair[1] - 1900; break; @@ -148,7 +152,7 @@ posix_time_parse (struct tm *tm, const char *s, unsigned int syntax_bits) p = pair; if (syntax_bits & PDS_LEADING_YEAR) { - if (year (tm, p, len - 4, syntax_bits & PDS_CENTURY)) + if (year (tm, p, len - 4, syntax_bits)) return 1; p += len - 4; len = 4; @@ -164,7 +168,7 @@ posix_time_parse (struct tm *tm, const char *s, unsigned int syntax_bits) /* Handle any trailing year. */ if (syntax_bits & PDS_TRAILING_YEAR) { - if (year (tm, p, len, syntax_bits & PDS_CENTURY)) + if (year (tm, p, len, syntax_bits)) return 1; } -- cgit v1.2.3-54-g00ecf