src/usr.bin/mail/head.c - diff

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Diff for /src/usr.bin/mail/head.c between version 1.5 and 1.6

version 1.5, 1997/11/14 00:23:48

version 1.6, 2001/01/19 04:11:28

Line 163

* 'a' A lower case char

* ' ' A space

* '0' A digit

* 'O' An optional digit or space

* 'O' A digit or space

* 'p' A punctuation char

* 'P' A punctuation char or space

* ':' A colon

* 'N' A new line

char ctype[] = "Aaa Aaa O0 00:00:00 0000";

char tmztype[] = "Aaa Aaa O0 00:00:00 AAA 0000";

* Yuck. If the mail file is created by Sys V (Solaris),

* there are no seconds in the time...

char SysV_ctype[] = "Aaa Aaa O0 00:00 0000";

char SysV_tmztype[] = "Aaa Aaa O0 00:00 AAA 0000";

* If the mail is created by another program such as imapd, it might

* have timezone as <-|+>nnnn (-0800 for instance) at the end.

static char *date_formats[] = {

"Aaa Aaa O0 00:00:00 0000", /* Mon Jan 01 23:59:59 2001 */

"Aaa Aaa O0 00:00:00 AAA 0000", /* Mon Jan 01 23:59:59 PST 2001 */

"Aaa Aaa O0 00:00:00 0000 p0000", /* Mon Jan 01 23:59:59 2001 -0800 */

"Aaa Aaa O0 00:00 0000", /* Mon Jan 01 23:59 2001 */

"Aaa Aaa O0 00:00 AAA 0000", /* Mon Jan 01 23:59 PST 2001 */

"Aaa Aaa O0 00:00 0000 p0000", /* Mon Jan 01 23:59 2001 -0800 */

};

int

isdate(date)

char date[];

{

int i;

return(cmatch(date, ctype) || cmatch(date, tmztype)

for(i = 0; *date_formats[i]; i++) {

|| cmatch(date, SysV_tmztype) || cmatch(date, SysV_ctype));

if (cmatch(date, date_formats[i]))

return 1;

}

return 0;

}

Line 214

Line 232

break;

case 'O':

if (*cp != ' ' && !isdigit(*cp))

return(0);

cp++;

break;

case 'p':

if (!ispunct(*cp++))

return(0);

break;

case 'P':

if (*cp != ' ' && !ispunct(*cp))

return(0);

cp++;

break;