teacl/src/exectw.c

30 lines
982 B
C

/*****************************************************************************
ExeCtW()
This function executes a control-W command.
*****************************************************************************/
#include "zport.h" /* define portability identifiers */
#include "tecoc.h" /* define general identifiers */
#include "defext.h" /* define external global variables */
#include "deferr.h" /* define identifiers for error messages */
DEFAULT ExeCtW() /* execute a ^W (control-W) command */
{
DBGFEN(1,"ExeCtW",NULL);
if (EStTop == EStBot) { /* if no numeric argument */
IniSrM = UPPER;
} else {
if (GetNmA() == FAILURE) { /* get numeric argument */
DBGFEX(1,DbgFNm,"FAILURE");
return FAILURE;
}
if (NArgmt) { /* if it wasn't 0^W */
ErrMsg(ERR_ARG); /* improper arguments */
DBGFEX(1,DbgFNm,"FAILURE");
return FAILURE;
}
IniSrM = NONE;
}
CmdMod = '\0'; /* clear modifiers flags */
DBGFEX(1,DbgFNm,"SUCCESS");
return SUCCESS;
}