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25611, 25613: protect against two possible NULL dereferences.

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This commit is contained in:
Clint Adams 2008-09-05 00:24:27 +00:00
parent 29680850a0
commit 13f60efbd7
2 changed files with 25 additions and 18 deletions
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40
Src/Modules/curses.c
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@ -874,16 +874,17 @@ zccmd_attr(const char *nam, char **args)
if ((zca = zcurses_attrget(w->win, ptr)) == NULL) {
zwarnnam(nam, "attribute `%s' not known", ptr);
ret = 1;
}
switch(onoff) {
case ZCURSES_ATTRON:
if (wattron(w->win, zca->number) == ERR)
ret = 1;
break;
case ZCURSES_ATTROFF:
if (wattroff(w->win, zca->number) == ERR)
ret = 1;
break;
} else {
switch(onoff) {
case ZCURSES_ATTRON:
if (wattron(w->win, zca->number) == ERR)
ret = 1;
break;
case ZCURSES_ATTROFF:
if (wattroff(w->win, zca->number) == ERR)
ret = 1;
break;
}
}
}
}
@ -948,14 +949,17 @@ zccmd_bg(const char *nam, char **args)
if ((zca = zcurses_attrget(w->win, ptr)) == NULL) {
zwarnnam(nam, "attribute `%s' not known", ptr);
ret = 1;
}
switch(onoff) {
case ZCURSES_ATTRON:
ch |= zca->number;
break;
case ZCURSES_ATTROFF:
ch &= ~zca->number;
break;
} else {
switch(onoff) {
case ZCURSES_ATTRON:
if (wattron(w->win, zca->number) == ERR)
ret = 1;
break;
case ZCURSES_ATTROFF:
if (wattroff(w->win, zca->number) == ERR)
ret = 1;
break;
}
}
}
}