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Annotation of 43BSD/ingres/source/monitor/clrline.c, revision 1.1

1.1     ! root        1: # include      "monitor.h"
        !             2: # include      <ingres.h>
        !             3: # include      <aux.h>
        !             4: # include      <sccs.h>
        !             5: 
        !             6: SCCSID(@(#)clrline.c   8.1     12/31/84)
        !             7: 
        !             8: 
        !             9: 
        !            10: /*
        !            11: **  Clear Input Line
        !            12: **
        !            13: **     This routine removes the newline following a monitor command
        !            14: **     (such as \t, \g,  etc.)  Any other characters are processed.
        !            15: **     Hence, \t\g\t will work.  It also maintains the
        !            16: **     Newline flag on command lines.  It will make certain that
        !            17: **     the current line in the query buffer ends with a newline.
        !            18: **
        !            19: **     The flag 'noprompt' if will disable the prompt character if set.
        !            20: **     Otherwise, it is automatically printed out.
        !            21: **
        !            22: **     Uses trace flag 8
        !            23: */
        !            24: 
        !            25: clrline(noprompt)
        !            26: int    noprompt;
        !            27: {
        !            28:        register char   c;
        !            29: 
        !            30:        if (!Newline)
        !            31:                putc('\n', Qryiop);
        !            32:        Newline = TRUE;
        !            33:        /* if char following is a newline, throw it away */
        !            34:        c = getch();
        !            35:        Prompt = c == '\n';
        !            36:        if (!Prompt)
        !            37:        {
        !            38:                ungetc(c, Input);
        !            39:        }
        !            40:        else
        !            41:        {
        !            42:                if (!noprompt)
        !            43:                        prompt(0);
        !            44:        }
        !            45:        return;
        !            46: }

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