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address #H4266 - build problem with clang Modules

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Report states that using OSX Xcode IDE results in use of 'clang
Modules', whatever those are, and role.c's 'filter' struct ends up
conflicting with a function declared by <curses.h> (or possibly
<ncurses.h> since one includes the other).  src/role.c does not
include <curses.h>, so this smacks of the problems caused by using
precompiled headers on pre-OSX Mac.

Instead of trying to import nethack into Xcode, I temporarily
inserted '#include <curses.h>' at the end of unixconf.h.  gcc did
complain about 'filter' in role.c (but not in invent.c, despite
-Wshadow), and then complained about termcap.c using TRUE when it
wasn't defined (after in had been #undef'd, where there's a comment
stating that it won't be used in the rest of that file), and also
complained about static function winch() in wintty.c conflicting
with external winch() in curses.

This renames 'filter' and 'winch()' to things that won't conflict.
Also, our winch() is a signal handler but had the wrong signature
for one.  And the troublesome use of TRUE was in code that was
supposed to be dealing with int rather than boolean.
This commit is contained in:
PatR
2016-03-02 00:37:56 -08:00
parent 3c5c4708e0
commit 7a5fb72787
5 changed files with 54 additions and 38 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
doc/fixes36.1
View File

@@ -182,6 +182,8 @@ tty: specifying all four of role, race, gender, and alignment still prompted
for confirmation with "Is this ok?" before starting play
tty: responding with <return> or <enter> during role, race, &c selection
behaved same as <escape> to quit; now it will pick [random] instead
tty: rename struct variable 'filter' (role.c) and function 'winch()' (wintty.c)
to avoid conflicts with <curses.h>
unix/X11: in top level Makefile, some commented out definitions of VARDATND
misspelled pilemark.xbm (as pilemark.xpm)
unix: options file with CR+LF line ends and an invalid option line resulted in

10
src/invent.c
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@@ -1,4 +1,4 @@
/* NetHack 3.6 invent.c $NHDT-Date: 1456354616 2016/02/24 22:56:56 $ $NHDT-Branch: NetHack-3.6.0 $:$NHDT-Revision: 1.195 $ */
/* NetHack 3.6 invent.c $NHDT-Date: 1456907837 2016/03/02 08:37:17 $ $NHDT-Branch: NetHack-3.6.0 $:$NHDT-Revision: 1.196 $ */
/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
/* NetHack may be freely redistributed. See license for details. */
@@ -1437,7 +1437,7 @@ boolean combo; /* combination menu flag */
unsigned *resultflags;
{
int FDECL((*ckfn), (OBJ_P)) = (int FDECL((*), (OBJ_P))) 0;
boolean FDECL((*filter), (OBJ_P)) = (boolean FDECL((*), (OBJ_P))) 0;
boolean FDECL((*ofilter), (OBJ_P)) = (boolean FDECL((*), (OBJ_P))) 0;
boolean takeoff, ident, allflag, m_seen;
int itemcount;
int oletct, iletct, unpaid, oc_of_sym;
@@ -1455,13 +1455,13 @@ unsigned *resultflags;
add_valid_menu_class(0); /* reset */
if (taking_off(word)) {
takeoff = TRUE;
filter = is_worn;
ofilter = is_worn;
} else if (!strcmp(word, "identify")) {
ident = TRUE;
filter = not_fully_identified;
ofilter = not_fully_identified;
}
iletct = collect_obj_classes(ilets, invent, FALSE, filter, &itemcount);
iletct = collect_obj_classes(ilets, invent, FALSE, ofilter, &itemcount);
unpaid = count_unpaid(invent);
if (ident && !iletct) {

44
src/role.c
View File

@@ -1,4 +1,4 @@
/* NetHack 3.6 role.c $NHDT-Date: 1453514597 2016/01/23 02:03:17 $ $NHDT-Branch: NetHack-3.6.0 $:$NHDT-Revision: 1.36 $ */
/* NetHack 3.6 role.c $NHDT-Date: 1456907852 2016/03/02 08:37:32 $ $NHDT-Branch: NetHack-3.6.0 $:$NHDT-Revision: 1.37 $ */
/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985-1999. */
/* NetHack may be freely redistributed. See license for details. */
@@ -768,7 +768,7 @@ const struct Align aligns[] = {
static struct {
boolean roles[SIZE(roles)];
short mask;
} filter;
} rfilter;
STATIC_DCL int NDECL(randrole_filtered);
STATIC_DCL char *FDECL(promptsep, (char *, int));
@@ -1046,7 +1046,7 @@ int rolenum, racenum, gendnum, alignnum;
short allow;
if (rolenum >= 0 && rolenum < SIZE(roles) - 1) {
if (filter.roles[rolenum])
if (rfilter.roles[rolenum])
return FALSE;
allow = roles[rolenum].allow;
if (racenum >= 0 && racenum < SIZE(races) - 1
@@ -1062,7 +1062,7 @@ int rolenum, racenum, gendnum, alignnum;
} else {
/* random; check whether any selection is possible */
for (i = 0; i < SIZE(roles) - 1; i++) {
if (filter.roles[i])
if (rfilter.roles[i])
continue;
allow = roles[i].allow;
if (racenum >= 0 && racenum < SIZE(races) - 1
@@ -1114,7 +1114,7 @@ int rolenum, racenum, gendnum, alignnum;
short allow;
if (racenum >= 0 && racenum < SIZE(races) - 1) {
if (filter.mask & races[racenum].selfmask)
if (rfilter.mask & races[racenum].selfmask)
return FALSE;
allow = races[racenum].allow;
if (rolenum >= 0 && rolenum < SIZE(roles) - 1
@@ -1130,7 +1130,7 @@ int rolenum, racenum, gendnum, alignnum;
} else {
/* random; check whether any selection is possible */
for (i = 0; i < SIZE(races) - 1; i++) {
if (filter.mask & races[i].selfmask)
if (rfilter.mask & races[i].selfmask)
continue;
allow = races[i].allow;
if (rolenum >= 0 && rolenum < SIZE(roles) - 1
@@ -1187,7 +1187,7 @@ int alignnum UNUSED;
short allow;
if (gendnum >= 0 && gendnum < ROLE_GENDERS) {
if (filter.mask & genders[gendnum].allow)
if (rfilter.mask & genders[gendnum].allow)
return FALSE;
allow = genders[gendnum].allow;
if (rolenum >= 0 && rolenum < SIZE(roles) - 1
@@ -1200,7 +1200,7 @@ int alignnum UNUSED;
} else {
/* random; check whether any selection is possible */
for (i = 0; i < ROLE_GENDERS; i++) {
if (filter.mask & genders[i].allow)
if (rfilter.mask & genders[i].allow)
continue;
allow = genders[i].allow;
if (rolenum >= 0 && rolenum < SIZE(roles) - 1
@@ -1256,7 +1256,7 @@ int alignnum;
short allow;
if (alignnum >= 0 && alignnum < ROLE_ALIGNS) {
if (filter.mask & aligns[alignnum].allow)
if (rfilter.mask & aligns[alignnum].allow)
return FALSE;
allow = aligns[alignnum].allow;
if (rolenum >= 0 && rolenum < SIZE(roles) - 1
@@ -1269,7 +1269,7 @@ int alignnum;
} else {
/* random; check whether any selection is possible */
for (i = 0; i < ROLE_ALIGNS; i++) {
if (filter.mask & aligns[i].allow)
if (rfilter.mask & aligns[i].allow)
return FALSE;
allow = aligns[i].allow;
if (rolenum >= 0 && rolenum < SIZE(roles) - 1
@@ -1356,13 +1356,13 @@ const char *bufp;
boolean reslt = TRUE;
if ((i = str2role(bufp)) != ROLE_NONE && i != ROLE_RANDOM)
filter.roles[i] = TRUE;
rfilter.roles[i] = TRUE;
else if ((i = str2race(bufp)) != ROLE_NONE && i != ROLE_RANDOM)
filter.mask |= races[i].selfmask;
rfilter.mask |= races[i].selfmask;
else if ((i = str2gend(bufp)) != ROLE_NONE && i != ROLE_RANDOM)
filter.mask |= genders[i].allow;
rfilter.mask |= genders[i].allow;
else if ((i = str2align(bufp)) != ROLE_NONE && i != ROLE_RANDOM)
filter.mask |= aligns[i].allow;
rfilter.mask |= aligns[i].allow;
else
reslt = FALSE;
return reslt;
@@ -1373,10 +1373,10 @@ gotrolefilter()
{
int i;
if (filter.mask)
if (rfilter.mask)
return TRUE;
for (i = 0; i < SIZE(roles); ++i)
if (filter.roles[i])
if (rfilter.roles[i])
return TRUE;
return FALSE;
}
@@ -1387,8 +1387,8 @@ clearrolefilter()
int i;
for (i = 0; i < SIZE(roles); ++i)
filter.roles[i] = FALSE;
filter.mask = 0;
rfilter.roles[i] = FALSE;
rfilter.mask = 0;
}
#define BP_ALIGN 0
@@ -1836,7 +1836,7 @@ boolean preselect;
what = "role";
f = r;
for (i = 0; i < SIZE(roles); ++i)
if (i != f && !filter.roles[i])
if (i != f && !rfilter.roles[i])
break;
if (i == SIZE(roles)) {
constrainer = "filter";
@@ -1855,7 +1855,7 @@ boolean preselect;
constrainer = "role";
forcedvalue = races[c].noun;
} else if (f >= 0
&& (allowmask & ~filter.mask) == races[f].selfmask) {
&& (allowmask & ~rfilter.mask) == races[f].selfmask) {
/* if there is only one race choice available due to user
options disallowing others, race menu entry is disabled */
constrainer = "filter";
@@ -1877,7 +1877,7 @@ boolean preselect;
constrainer = "role";
forcedvalue = genders[g].adj;
} else if (f >= 0
&& (allowmask & ~filter.mask) == genders[f].allow) {
&& (allowmask & ~rfilter.mask) == genders[f].allow) {
/* if there is only one gender choice available due to user
options disallowing other, gender menu entry is disabled */
constrainer = "filter";
@@ -1912,7 +1912,7 @@ boolean preselect;
constrainer = "race";
}
if (f >= 0 && !constrainer
&& (ROLE_ALIGNMASK & ~filter.mask) == aligns[f].allow) {
&& (ROLE_ALIGNMASK & ~rfilter.mask) == aligns[f].allow) {
/* if there is only one alignment choice available due to user
options disallowing others, algn menu entry is disabled */
constrainer = "filter";

14
win/tty/termcap.c
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@@ -1,4 +1,4 @@
/* NetHack 3.6 termcap.c $NHDT-Date: 1447234979 2015/11/11 09:42:59 $ $NHDT-Branch: master $:$NHDT-Revision: 1.23 $ */
/* NetHack 3.6 termcap.c $NHDT-Date: 1456907853 2016/03/02 08:37:33 $ $NHDT-Branch: NetHack-3.6.0 $:$NHDT-Revision: 1.24 $ */
/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
/* NetHack may be freely redistributed. See license for details. */
@@ -1246,6 +1246,7 @@ int color;
xputs(hilites[color]);
}
/* not to be confused with has_colors() in unixtty.c */
int
has_color(color)
int color;
@@ -1253,23 +1254,24 @@ int color;
#ifdef X11_GRAPHICS
/* XXX has_color() should be added to windowprocs */
if (windowprocs.name != NULL && !strcmpi(windowprocs.name, "X11"))
return TRUE;
return 1;
#endif
#ifdef GEM_GRAPHICS
/* XXX has_color() should be added to windowprocs */
if (windowprocs.name != NULL && !strcmpi(windowprocs.name, "Gem"))
return TRUE;
return 1;
#endif
#ifdef QT_GRAPHICS
/* XXX has_color() should be added to windowprocs */
if (windowprocs.name != NULL && !strcmpi(windowprocs.name, "Qt"))
return TRUE;
return 1;
#endif
#ifdef AMII_GRAPHICS
/* hilites[] not used */
return iflags.use_color;
#endif
return iflags.use_color ? 1 : 0;
#else
return hilites[color] != (char *) 0;
#endif
}
#endif /* TEXTCOLOR */

22
win/tty/wintty.c
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@@ -1,4 +1,4 @@
/* NetHack 3.6 wintty.c $NHDT-Date: 1453514601 2016/01/23 02:03:21 $ $NHDT-Branch: NetHack-3.6.0 $:$NHDT-Revision: 1.124 $ */
/* NetHack 3.6 wintty.c $NHDT-Date: 1456907854 2016/03/02 08:37:34 $ $NHDT-Branch: NetHack-3.6.0 $:$NHDT-Revision: 1.125 $ */
/* Copyright (c) David Cohrs, 1991 */
/* NetHack may be freely redistributed. See license for details. */
@@ -31,8 +31,7 @@ extern void msmsg(const char *, ...);
#include "wintty.h"
#ifdef CLIPPING /* might want SIGWINCH */
#if defined(BSD) || defined(ULTRIX) || defined(AIX_31) \
|| defined(_BULL_SOURCE)
#if defined(BSD) || defined(ULTRIX) || defined(AIX_31) || defined(_BULL_SOURCE)
#include <signal.h>
#endif
#endif
@@ -226,8 +225,21 @@ const char *mesg;
}
#if defined(SIGWINCH) && defined(CLIPPING)
STATIC_DCL void FDECL(winch_handler, (int));
/*
* This really ought to just set a flag like the hangup handler does,
* then check the flag at "safe" times, in case the signal arrives
* while something fragile is executing. Better to have a brief period
* where display updates don't fit the new size than for tty internals
* to become corrupted.
*
* 'winch_seen' has been "notyet" for a long time....
*/
/*ARGUSED*/
STATIC_OVL void
winch()
winch_handler(sig_unused) /* signal handler is called with at least 1 arg */
int sig_unused UNUSED;
{
int oldLI = LI, oldCO = CO, i;
register struct WinDesc *cw;
@@ -345,7 +357,7 @@ char **argv UNUSED;
ttyDisplay->lastwin = WIN_ERR;
#if defined(SIGWINCH) && defined(CLIPPING) && !defined(NO_SIGNAL)
(void) signal(SIGWINCH, winch);
(void) signal(SIGWINCH, (SIG_RET_TYPE) winch_handler);
#endif
/* add one a space forward menu command alias */