home *** CD-ROM | disk | FTP | other *** search
- /*********
- * LJUST.C
- *
- * by Tom Rettig
- *
- * Placed in the public domain by Tom Rettig Associates, 10/22/1990.
- *
- * Syntax: LJUST( <expC> )
- * Return: <expC> with leading spaces moved to right end.
- * Return string is same length as <expC>.
- *********/
-
- #include "trlib.h"
-
- TRTYPE ljust()
- {
- char *instr, *ret;
- int i, j, pos;
- static char funcname[] = { "ljust" };
- if ( PCOUNT==1 && ISCHAR(1) )
- {
- instr = _parc(1);
- ret = _tr_allocmem( (unsigned)(_tr_strlen(instr)+1));
-
- if ( ret )
- {
- if ( instr[0]==SPACEC )
- {
- for ( j=0; instr[j]==SPACEC; j++ )
- ;
- pos = j; /* first char past spaces */
-
- /* fill return buffer with chars */
- for ( i=0; instr[j]; i++, j++ )
- ret[i] = instr[j];
-
- /* fill return buffer with spaces */
- for ( j=0; j<pos; i++, j++ )
- ret[i] = instr[j];
-
- ret[i] = NULLC;
-
- _retc( ret );
- }
- else /* return unchanged if no leading spaces */
- _retc( instr );
-
- _tr_freemem( ret,(unsigned)(_tr_strlen(instr)+1) );
- }
- else /* return unchanged if no memory */
- _retc( instr );
- }
- else
- _retc( _tr_errmsgs(funcname,E_SYNTAX) );
- }
-
-