Hi,
I just tracked down the SIGSEGV/SIGBUS bug on my system: the following happens
on my system in gwcache.c (watch the stacktrace):
---
gwc_retrieve () at gwcache.c:267
267 file_path_set(&fpvec[0], settings_config_dir(), gwc_file);
(gdb) bt
#0 gwc_retrieve () at gwcache.c:267
#1 0x810d003 in gwc_init () at gwcache.c:369
#2 0x80ec579 in main (argc=1, argv=0xbfbff45c, env=0xbfbff464) at main.c:420
#3 0x806435f in _start ()
(gdb) n
268 file_path_set(&fpvec[1], PACKAGE_DATA_DIR, gwc_bootfile);
(gdb) bt
#0 gwc_retrieve () at gwcache.c:268
#1 0x810d003 in gwc_init () at gwcache.c:369
#2 0x80ec579 in main (argc=1, argv=0xbfbff45c, env=0xbfbff464) at main.c:420
#3 0x806435f in _start ()
(gdb) n
270 file_path_set(&fpvec[2], PACKAGE_SOURCE_DIR, gwc_bootfile);
(gdb) bt
#0 gwc_retrieve () at gwcache.c:270
#1 0x810d003 in gwc_init () at gwcache.c:369
#2 0x80ec579 in main (argc=1, argv=0xbfbff45c, env=0xbfbff464) at main.c:420
#3 0x806435f in _start ()
(gdb) n
273 in = file_config_open_read(gwc_what, fpvec, G_N_ELEMENTS(fpvec));
(gdb) bt
#0 gwc_retrieve () at gwcache.c:273
#1 0x81523c4 in rcsid ()
#2 0x63732f65 in ?? ()
Error accessing memory address 0x6d6f682f: Bad address.
---
As can be seen from the sourcecode, fpvec[2] is not valid when
USE_SOURCE_DIR_AS_FALLBACK is set (two lines are swapped).
The following simple patch fixes that problem:
Index: gwcache.c
===================================================================
RCS file: /cvsroot/gtk-gnutella/gtk-gnutella-current/src/gwcache.c,v
retrieving revision 1.38
diff -c -r1.38 gwcache.c
*** gwcache.c 18 Jul 2003 05:07:45 -0000 1.38
--- gwcache.c 22 Jul 2003 18:14:12 -0000
***************
*** 258,266 ****
gint line;
FILE *in;
#ifdef USE_SOURCE_DIR_AS_FALLBACK
- file_path_t fpvec[2];
- #else
file_path_t fpvec[3];
#endif
gchar tmp[1024];
--- 258,266 ----
gint line;
FILE *in;
#ifdef USE_SOURCE_DIR_AS_FALLBACK
file_path_t fpvec[3];
+ #else
+ file_path_t fpvec[2];
#endif
gchar tmp[1024];
Greetings,
Thomas.
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