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dired.c
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C/C++ Source or Header
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1988-04-27
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4KB
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196 lines
/* dired module for mg 2a */
/* by Robert A. Larson */
#include "def.h"
#ifndef NO_DIRED
BUFFER *dired_();
/*ARGSUSED*/
dired(f, n)
int f, n;
{
char dirname[NFILEN];
BUFFER *bp;
dirname[0] = '\0';
if(eread("Dired: ", dirname, NFILEN, EFNEW | EFCR) == ABORT)
return ABORT;
if((bp = dired_(dirname)) == NULL) return FALSE;
curbp = bp;
return showbuffer(bp, curwp, WFHARD | WFMODE);
}
/*ARGSUSED*/
d_otherwindow(f, n)
int f, n;
{
char dirname[NFILEN];
BUFFER *bp;
WINDOW *wp;
dirname[0] = '\0';
if(eread("Dired other window: ", dirname, NFILEN, EFNEW | EFCR) == ABORT)
return ABORT;
if((bp = dired_(dirname)) == NULL) return FALSE;
if((wp = popbuf(bp)) == NULL) return FALSE;
curbp = bp;
curwp = wp;
return TRUE;
}
/*ARGSUSED*/
d_del(f, n)
int f, n;
{
if(n < 0) return FALSE;
while(n--) {
if(llength(curwp->w_dotp) > 0)
lputc(curwp->w_dotp, 0, 'D');
if(lforw(curwp->w_dotp) != curbp->b_linep)
curwp->w_dotp = lforw(curwp->w_dotp);
}
curwp->w_flag |= WFEDIT | WFMOVE;
curwp->w_doto = 0;
return TRUE;
}
/*ARGSUSED*/
d_undel(f, n)
int f, n;
{
if(n < 0) return d_undelbak(f, -n);
while(n--) {
if(llength(curwp->w_dotp) > 0)
lputc(curwp->w_dotp, 0, ' ');
if(lforw(curwp->w_dotp) != curbp->b_linep)
curwp->w_dotp = lforw(curwp->w_dotp);
}
curwp->w_flag |= WFEDIT | WFMOVE;
curwp->w_doto = 0;
return TRUE;
}
/*ARGSUSED*/
d_undelbak(f, n)
int f, n;
{
if(n < 0) return d_undel(f, -n);
while(n--) {
if(llength(curwp->w_dotp) > 0)
lputc(curwp->w_dotp, 0, ' ');
if(lback(curwp->w_dotp) != curbp->b_linep)
curwp->w_dotp = lback(curwp->w_dotp);
}
curwp->w_doto = 0;
curwp->w_flag |= WFEDIT | WFMOVE;
return TRUE;
}
/*ARGSUSED*/
d_findfile(f, n)
int f, n;
{
char fname[NFILEN];
register BUFFER *bp;
register int s;
BUFFER *findbuffer();
if((s = d_makename(curwp->w_dotp, fname)) == ABORT) return FALSE;
if ((bp = (s ? dired_(fname) : findbuffer(fname))) == NULL) return FALSE;
curbp = bp;
if (showbuffer(bp, curwp, WFHARD) != TRUE) return FALSE;
if (bp->b_fname[0] != 0) return TRUE;
return readin(fname);
}
/*ARGSUSED*/
d_ffotherwindow(f, n)
int f, n;
{
char fname[NFILEN];
register BUFFER *bp;
register int s;
register WINDOW *wp;
BUFFER *findbuffer();
if((s = d_makename(curwp->w_dotp, fname)) == ABORT) return FALSE;
if ((bp = (s ? dired_(fname) : findbuffer(fname))) == NULL) return FALSE;
if ((wp = popbuf(bp)) == NULL) return FALSE;
curbp = bp;
curwp = wp;
if (bp->b_fname[0] != 0) return TRUE; /* never true for dired buffers */
return readin(fname);
}
/*ARGSUSED*/
d_expunge(f, n)
int f, n;
{
register LINE *lp, *nlp;
char fname[NFILEN];
VOID lfree();
for(lp = lforw(curbp->b_linep); lp != curbp->b_linep; lp = nlp) {
nlp = lforw(lp);
if(llength(lp) && lgetc(lp, 0) == 'D') {
switch(d_makename(lp, fname)) {
case ABORT:
ewprintf("Bad line in dired buffer");
return FALSE;
case FALSE:
if(unlink(fname) < 0) {
ewprintf("Could not delete '%s'", fname);
return FALSE;
}
break;
case TRUE:
if(unlinkdir(fname) < 0) {
ewprintf("Could not delete directory '%s'", fname);
return FALSE;
}
break;
}
lfree(lp);
curwp->w_flag |= WFHARD;
}
}
return TRUE;
}
/*ARGSUSED*/
d_copy(f, n)
int f, n;
{
char frname[NFILEN], toname[NFILEN];
int stat;
if(d_makename(curwp->w_dotp, frname) != FALSE) {
ewprintf("Not a file");
return FALSE;
}
if((stat = eread("Copy %s to: ", toname, NFILEN, EFNEW | EFCR, frname))
!= TRUE) return stat;
return copy(frname, toname) >= 0;
}
/*ARGSUSED*/
d_rename(f, n)
int f, n;
{
char frname[NFILEN], toname[NFILEN];
int stat;
if(d_makename(curwp->w_dotp, frname) != FALSE) {
ewprintf("Not a file");
return FALSE;
}
if((stat = eread("Rename %s to: ", toname, NFILEN, EFNEW | EFCR, frname))
!= TRUE) return stat;
return rename(frname, toname) >= 0;
}
#endif