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#include <time.h>
/* Two custom conversions are used to show a prefix of SHA1 hashes:
**
** %!S Prefix of a length appropriate for URLs
** %S Prefix of a length appropriate for human display
**
** The following macros determine those lengths.
** The following macros help determine those lengths. FOSSIL_HASH_DIGITS
** is the default number of digits to display to humans. This value can
** be overridden using the hash-digits setting. FOSSIL_HASH_DIGITS_URL
** is the minimum number of digits to be used in URLs. The number used
** will always be at least 6 more than the number used for human output,
** or 40 if the number of digits in human output is 34 or more.
*/
#ifndef FOSSIL_SHA1_PREFIX_LEN
# define FOSSIL_SHA1_PREFIX_LEN 10 /* For %S (human display) */
#ifndef FOSSIL_HASH_DIGITS
# define FOSSIL_HASH_DIGITS 10 /* For %S (human display) */
#endif
#ifndef FOSSIL_SHA1_URLPREFIX_LEN
# define FOSSIL_SHA1_URLPREFIX_LEN 16 /* For %!S (embedded in URLs) */
#ifndef FOSSIL_HASH_DIGITS_URL
# define FOSSIL_HASH_DIGITS_URL 16 /* For %!S (embedded in URLs) */
#endif
/*
** Return the number of SHA1 hash digits to display. The number is for
** human output if the bForUrl is false and is destined for a URL if
** bForUrl is false.
*/
static int hashDigits(int bForUrl){
static int nDigitHuman = 0;
static int nDigitUrl = 0;
if( nDigitHuman==0 ){
nDigitHuman = db_get_int("hash-digits", FOSSIL_HASH_DIGITS);
if( nDigitHuman < 6 ) nDigitHuman = 6;
if( nDigitHuman > 40 ) nDigitHuman = 40;
nDigitUrl = nDigitHuman + 6;
if( nDigitUrl < FOSSIL_HASH_DIGITS_URL ) nDigitUrl = FOSSIL_HASH_DIGITS_URL;
if( nDigitUrl > 40 ) nDigitUrl = 40;
}
return bForUrl ? nDigitUrl : nDigitHuman;
}
/*
** Conversion types fall into various categories as defined by the
** following enumeration.
*/
#define etRADIX 1 /* Integer types. %d, %x, %o, and so forth */
#define etFLOAT 2 /* Floating point. %f */
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int limit = flag_alternateform ? va_arg(ap,int) : -1;
bufpt = va_arg(ap,char*);
if( bufpt==0 ){
bufpt = "";
}else if( xtype==etDYNSTRING ){
zExtra = bufpt;
}else if( xtype==etSTRINGID ){
precision = flag_altform2 ? FOSSIL_SHA1_URLPREFIX_LEN :
precision = hashDigits(flag_altform2);
FOSSIL_SHA1_PREFIX_LEN;
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