39 lines
1.2 KiB
C
39 lines
1.2 KiB
C
/*****************************************************************************
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ExeV()
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This function executes a V command. The V command is for "viewing"
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some lines around the cursor.
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nV do 1-nTnT
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m,nV do 1-mTnT
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*****************************************************************************/
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#include "zport.h" /* define portability identifiers */
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#include "tecoc.h" /* define general identifiers */
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#include "defext.h" /* define external global variables */
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DEFAULT ExeV() /* execute an V command */
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{
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LONG firstarg;
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DBGFEN(1,"ExeV",NULL);
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if (EStTop == EStBot) { /* if no numeric argument */
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NArgmt = 1; /* default is 1V */
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} else {
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UMinus(); /* if it's -V, make it -1V */
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if (GetNmA() == FAILURE) { /* get numeric argument */
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DBGFEX(1,DbgFNm,"FAILURE");
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return FAILURE;
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}
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}
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firstarg = 1 - ((CmdMod & MARGIS) ? MArgmt : NArgmt);
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if (firstarg <= 0) {
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TypBuf(GapBeg+Ln2Chr(firstarg), GapBeg);
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} else {
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TypBuf(GapEnd+1, GapEnd+Ln2Chr(firstarg)+1);
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}
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if (NArgmt <= 0) {
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TypBuf(GapBeg+Ln2Chr(NArgmt), GapBeg);
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} else {
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TypBuf(GapEnd+1, GapEnd+Ln2Chr(NArgmt)+1);
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}
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CmdMod = '\0'; /* clear modifiers flags */
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DBGFEX(1,DbgFNm,"SUCCESS");
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return SUCCESS;
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}
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