diff options
Diffstat (limited to 'lib-src/fakemail.c')
| -rw-r--r-- | lib-src/fakemail.c | 19 |
1 files changed, 8 insertions, 11 deletions
diff --git a/lib-src/fakemail.c b/lib-src/fakemail.c index 2c2b462e366..6b8634f34ab 100644 --- a/lib-src/fakemail.c +++ b/lib-src/fakemail.c @@ -53,7 +53,6 @@ main () #include "ntlib.h" #endif -#include <limits.h> #include <stdio.h> #include <string.h> #include <ctype.h> @@ -71,15 +70,13 @@ main () #define true 1 #define false 0 -/* True if TM_YEAR is a struct tm's tm_year value that is acceptable - to asctime. Glibc asctime returns a useful string unless TM_YEAR - is nearly INT_MAX, but the C Standard lets C libraries overrun a - buffer if TM_YEAR needs more than 4 bytes. */ -#ifdef __GLIBC__ -# define TM_YEAR_IN_ASCTIME_RANGE(tm_year) ((tm_year) <= INT_MAX - 1900) -#else +#define TM_YEAR_BASE 1900 + +/* Nonzero if TM_YEAR is a struct tm's tm_year value that causes + asctime to have well-defined behavior. */ +#ifndef TM_YEAR_IN_ASCTIME_RANGE # define TM_YEAR_IN_ASCTIME_RANGE(tm_year) \ - (-999 - 1900 <= (tm_year) && (tm_year) <= 9999 - 1900) + (1000 - TM_YEAR_BASE <= (tm_year) && (tm_year) <= 9999 - TM_YEAR_BASE) #endif /* Various lists */ @@ -378,9 +375,9 @@ make_file_preface () Don't use 'ctime', as that might dump core if the hardware clock is set to a bizarre value. */ tm = localtime (&idiotic_interface); - if (! (tm && TM_YEAR_IN_ASCTIME_RANGE (tm->tm_year))) + if (! (tm && TM_YEAR_IN_ASCTIME_RANGE (tm->tm_year) + && (the_date = asctime (tm)))) fatal ("current time is out of range", 0); - the_date = asctime (tm); /* the_date has an unwanted newline at the end */ date_length = strlen (the_date) - 1; the_date[date_length] = '\0'; |