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| Author |
Topic: [solved] Segfault on "create spell" |
Title: Neophyte
Posts: 3
Joined: 29 Jun 2014
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Date Posted: Fri Mar 17, 2017 5:13 am
Subject: [solved] Segfault on "create spell"
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I successfully built the current source. However the game segfaults when selecting 'Type' during spell creation.
4) Type shows null where it should be UNDEF
Selection list is empty.
| Code: |
1) Name: A blank spell formula
2) Look Desc:
It looks very blank.
3) Category: Combat
4) Type: (null)
5) Force: 1
q) Quit
Enter your choice: 4
1)
2)
3)
4)
5)
6)
7)
Enter spell type: 1
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Selecting an empty string causes a segfault.
| Code: |
Fri Mar 17 06:01:38 :: CHEATLOG: [60599] Root drops: (obj 17137) a rating 8 sorcery library
Program received signal SIGSEGV, Segmentation fault.
0x00007ffff6ace943 in _IO_vfprintf_internal (s=s@entry=0x7fffffffc980, format=<optimized>,
format@entry=0x5f466f "4) Type: ^c%s^n\r\n", ap=ap@entry=0x7fffffffcab8) at vfprintf.c:1661
1661 vfprintf.c: No such file or directory.
(gdb) bt
#0 0x00007ffff6ace943 in _IO_vfprintf_internal (s=s@entry=0x7fffffffc980, format=<optimized>,
format@entry=0x5f466f "4) Type: ^c%s^n\r\n", ap=ap@entry=0x7fffffffcab8) at vfprintf.c:1661
#1 0x00007ffff6af38fb in __IO_vsprintf (string=0x897280 <buf3> "4) Type: ^c: ^cCombat^n\r\n",
format=0x5f466f "4) Type: ^c%s^n\r\n", args=0x7fffffffcab8) at iovsprintf.c:42
#2 0x00000000004af391 in send_to_char (ch=0xb0bbc0, messg=0x5f466f "4) Type: ^c%s^n\r\n") at comm.cpp:2123
#3 0x000000000052121d in spedit_disp_menu (d=0xb05740) at magcreate.cpp:29
#4 0x0000000000521be5 in spedit_parse (d=0xb05740, arg=0x7fffffffd720 "1") at magcreate.cpp:165
#5 0x000000000051685d in nanny (d=0xb05740, arg=0x7fffffffd720 "1") at interpreter.cpp:2037
#6 0x00000000004ab114 in game_loop (mother_desc=3) at comm.cpp:652
#7 0x00000000004aa40a in init_game (port=4000) at comm.cpp:351
#8 0x00000000004a9e75 in main (argc=1, argv=0x7fffffffe078) at comm.cpp:235
(gdb)
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How can I make sure the types are passed correctly?
Thanks in advance!
--
edit: added missing methods in magcreate.cpp
| Code: |
--- a/work/src/magcreate.cpp
+++ b/work/src/magcreate.cpp
@@ -26,7 +26,7 @@ void spedit_disp_menu(struct descriptor_data *d)
send_to_char(CH, "1) Name: ^c%s^n\r\n", SPELL->restring);
send_to_char(CH, "2) Look Desc:\r\n^c%s^n\r\n", SPELL->photo);
send_to_char(CH, "3) Category: ^c%s^n\r\n", spell_category[GET_OBJ_VAL(SPELL, 9)]);
- send_to_char(CH, "4) Type: ^c%s^n\r\n", spells[GET_OBJ_VAL(SPELL, 1)]);
+ send_to_char(CH, "4) Type: ^c%s^n\r\n", spells[GET_OBJ_VAL(SPELL, 1)].name);
send_to_char(CH, "5) Force: ^c%d^n\r\n", GET_OBJ_VAL(SPELL, 0));
if (GET_OBJ_VAL(SPELL, 1) == SPELL_INCATTR || GET_OBJ_VAL(SPELL, 1) == SPELL_INCCYATTR ||
GET_OBJ_VAL(SPELL, 1) == SPELL_DECATTR || GET_OBJ_VAL(SPELL, 1) == SPELL_DECCYATTR)
@@ -40,7 +40,7 @@ void spedit_disp_spell_type(struct descriptor_data *d)
int x = 1;
for (int i = 0; i < MAX_SPELLS; i++)
if (spells[i].category == GET_OBJ_VAL(SPELL, 9)) {
- send_to_char(CH, "%d) %s\r\n", x, spells[i]);
+ send_to_char(CH, "%d) %s\r\n", x, spells[i].name);
x++;
}
send_to_char("Enter spell type: ", CH);
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Title: Member
Posts: 285
Joined: 31 Mar 2007
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Date Posted: Wed Apr 19, 2017 12:49 am
Subject:
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Good work on self-solving this one. Let us know if you run into any other issues-- I still swing by every so often to help people with running dev ports, and I know there are a few others who do so as well.
-----signature-----
:::The Star Sapphire:::
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Title: Neophyte
Posts: 3
Joined: 29 Jun 2014
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Date Posted: Wed Apr 19, 2017 4:15 pm
Subject:
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Thanks, Lucien. The code can be quite challenging when all you know is Shell and a little Perl.
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