On Aug 21, 2009, at 2:49 PM, Shaun Seckman (Firaxis) wrote: > This is great! Exactly what I was looking for. Do you by any chance > know the function name of the standard collation used for string > comparisons? I'd like to use that as a foundation for building a new > one. >
/* ** This is the default collating function named "BINARY" which is always ** available. ** ** If the padFlag argument is not NULL then space padding at the end ** of strings is ignored. This implements the RTRIM collation. */ static int binCollFunc( void *padFlag, int nKey1, const void *pKey1, int nKey2, const void *pKey2 ){ int rc, n; n = nKey1<nKey2 ? nKey1 : nKey2; rc = memcmp(pKey1, pKey2, n); if( rc==0 ){ if( padFlag && allSpaces(((char*)pKey1)+n, nKey1-n) && allSpaces(((char*)pKey2)+n, nKey2-n) ){ /* Leave rc unchanged at 0 */ }else{ rc = nKey1 - nKey2; } } return rc; } D. Richard Hipp d...@hwaci.com _______________________________________________ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users