| 985 |
|
} |
| 986 |
|
return(NULL); |
| 987 |
|
} |
| 988 |
< |
if (viewfp == NULL) { /* open file */ |
| 988 |
> |
if (viewfp == NULL) { /* open file */ |
| 989 |
|
if ((viewfp = fopen(vval(VIEWFILE), "r")) == NULL) { |
| 990 |
|
perror(vval(VIEWFILE)); |
| 991 |
|
quit(1); |
| 992 |
|
} |
| 993 |
< |
} else if (n < viewnum) { /* rewind file */ |
| 993 |
> |
} else if (n > 0 && n < viewnum) { /* rewind file */ |
| 994 |
|
if (viewnum == 1 && feof(viewfp)) |
| 995 |
|
return(&curview); /* just one view */ |
| 996 |
|
if (fseek(viewfp, 0L, 0) == EOF) { |
| 1000 |
|
copystruct(&curview, &stdview); |
| 1001 |
|
viewnum = 0; |
| 1002 |
|
} |
| 1003 |
+ |
if (n < 0) { /* get next view */ |
| 1004 |
+ |
register int c = getc(viewfp); |
| 1005 |
+ |
if (c == EOF) |
| 1006 |
+ |
return((VIEW *)NULL); /* that's it */ |
| 1007 |
+ |
ungetc(c, viewfp); |
| 1008 |
+ |
n = viewnum + 1; |
| 1009 |
+ |
} |
| 1010 |
|
while (n > viewnum) { /* scan to desired view */ |
| 1011 |
|
if (fgets(linebuf, sizeof(linebuf), viewfp) == NULL) |
| 1012 |
|
return(viewnum==1 ? &curview : (VIEW *)NULL); |
| 1020 |
|
int |
| 1021 |
|
countviews() /* count views in view file */ |
| 1022 |
|
{ |
| 1023 |
< |
register int n = 0; |
| 1023 |
> |
int n; |
| 1024 |
|
|
| 1025 |
< |
while (getview(n+1) != NULL) |
| 1025 |
> |
if (getview(n=1) == NULL) |
| 1026 |
> |
return(0); |
| 1027 |
> |
while (getview(-1) != NULL) |
| 1028 |
|
n++; |
| 1029 |
|
return(n); |
| 1030 |
|
} |
