1
2c:\LIBS5303Distro\Allegro522_MinGW5303\bin\examples>gdb ex_physfs.exe
3GNU gdb
(GDB
) 7.
6.
1
4
5Breakpoint
2, main
(argc
=1, argv
=0x13e8130) at C:\LIBS5303Build\allegro5\examples\ex_physfs.c:165
6165 bmp
= al_load_bitmap("02.bmp");
7(gdb
) c
8Continuing.
9
10Breakpoint
4, file_phys_seek
(f
=0x13eb030, offset
=0, whence
=0)
11 at C:\LIBS5303Build\allegro5\addons\physfs\a5_physfs.c:185
12185 ALLEGRO_FILE_PHYSFS
*fp
= cast_stream
(f
);
13(gdb
) bt
14#0 file_phys_seek (f=0x13eb030, offset=0, whence=0) at C:\LIBS5303Build\allegro5\addons\physfs\a5_physfs.c:185
15#1 0x677a74b1 in al_fseek (f=0x13eb030, offset=0, whence=0) at C:\LIBS5303Build\allegro5\src\file.c:175
16#2 0x678716e6 in _al_load_bmp_f (f=0x13eb030, flags=0) at C:\LIBS5303Build\allegro5\addons\image\bmp.c:1303
17#3 0x678726db in _al_load_bmp (filename=0x40b1ee <__register_frame_info+4239854> "02.bmp", flags=0)
18 at C:\LIBS5303Build\allegro5\addons\image\bmp.c:1596
19#4 0x67783ffd in al_load_bitmap_flags (filename=0x40b1ee <__register_frame_info+4239854> "02.bmp", flags=0)
20 at C:\LIBS5303Build\allegro5\src\bitmap_io.c:209
21#5 0x67783f39 in al_load_bitmap (filename=0x40b1ee <__register_frame_info+4239854> "02.bmp")
22 at C:\LIBS5303Build\allegro5\src\bitmap_io.c:184
23#6 0x00401a8c in main (argc=1, argv=0x13e8130) at C:\LIBS5303Build\allegro5\examples\ex_physfs.c:165
24(gdb
) continue
25Continuing.
26[New Thread
12396.
0x3238]
27[New Thread
12396.
0x760]
28
29Breakpoint
3, _al_load_bmp_f
(f
=0x13eb030, flags
=0) at C:\LIBS5303Build\allegro5\addons\image\bmp.c:1320
301320 if (!al_fseek(f, file_start
+ fileheader.bfOffBits, ALLEGRO_SEEK_SET
)) {
31(gdb
) step
32al_fseek (f
=0x13eb030, offset
=118, whence
=0) at C:\LIBS5303Build\allegro5\src\file.c:160
33160 ASSERT(f
);
34(gdb
) l
35155
36156 /* Function: al_fseek
37157 */
38158 bool al_fseek(ALLEGRO_FILE *f,
int64_t offset,
int whence
)
39159 {
40160 ASSERT(f
);
41161 /* offset can be negative */
42162 ASSERT(
43163 whence
== ALLEGRO_SEEK_SET
||
44164 whence
== ALLEGRO_SEEK_CUR
||
45(gdb
) n
46162 ASSERT(
47(gdb
)
48168 if (f->ungetc_len
) {
49(gdb
)
50175 return f->vtable->fi_fseek
(f, offset, whence
);
51(gdb
) step
52
53Breakpoint
4, file_phys_seek
(f
=0x13eb030, offset
=118, whence
=0)
54 at C:\LIBS5303Build\allegro5\addons\physfs\a5_physfs.c:185
55185 ALLEGRO_FILE_PHYSFS
*fp
= cast_stream
(f
);
56(gdb
)l
57214 if (!PHYSFS_seek
(fp->phys, base
+ offset
)) {
58215 phys_set_errno
(fp
);
59216 return false;
60217 }
61
62...
63
64(gdb
) frame
0
65#0 ZIP_seek (opaque=0x13ea4e0, offset=118) at C:\LIBS5303Build\physfs-2.0.3\archivers\zip.c:297
66(gdb
) n
67298 ZIPentry
*entry
= finfo->entry
;
68(gdb
)
69299 void *in
= finfo->handle
;
70(gdb
)
71301 BAIL_IF_MACRO
(offset
> entry->uncompressed_size, ERR_PAST_EOF,
0);
72(gdb
)
73303 if (entry->compression_method
== COMPMETH_NONE
)
74(gdb
)
75318 if (offset
< finfo->uncompressed_position
)
76(gdb
)
77334 while (finfo->uncompressed_position
!= offset
)
78(gdb
)
79339 maxread
= (PHYSFS_uint32
) (offset
- finfo->uncompressed_position
);
80(gdb
)
81340 if (maxread
> sizeof (buf
))
82(gdb
)
83343 if (ZIP_read
(finfo, buf, maxread,
1) != 1)
84(gdb
)
85344 return(0);
86(gdb
)
87349 } /* ZIP_seek */
88(gdb
)
89PHYSFS_seek
(handle
=0x2c50798, pos
=118) at C:\LIBS5303Build\physfs-2.0.3\physfs.c:2067
902067 } /* PHYSFS_seek */
91(gdb
)
92file_phys_seek
(f
=0x13eb030, offset
=118, whence
=0) at C:\LIBS5303Build\allegro5\addons\physfs\a5_physfs.c:215
93215 phys_set_errno
(fp
);
94(gdb
) p fp
95$
13 = (ALLEGRO_FILE_PHYSFS
*) 0x13ea548
96(gdb
) l
97210 al_set_errno(EINVAL
);
98211 return false;
99212 }
100213
101214 if (!PHYSFS_seek
(fp->phys, base
+ offset
)) {
102215 phys_set_errno
(fp
);
103216 return false;
104217 }
105218
106219 return true;
107(gdb
) frame
0
108#0 file_phys_seek (f=0x13eb030, offset=118, whence=0) at C:\LIBS5303Build\allegro5\addons\physfs\a5_physfs.c:215
109215 phys_set_errno
(fp
);
110(gdb
) l
111210 al_set_errno(EINVAL
);
112211 return false;
113212 }
114213
115214 if (!PHYSFS_seek
(fp->phys, base
+ offset
)) {
116215 phys_set_errno
(fp
);
117216 return false;
118217 }
119218
120219 return true;
121(gdb
) bt
122#0 file_phys_seek (f=0x13eb030, offset=118, whence=0) at C:\LIBS5303Build\allegro5\addons\physfs\a5_physfs.c:215
123#1 0x677a74b1 in al_fseek (f=0x13eb030, offset=118, whence=0) at C:\LIBS5303Build\allegro5\src\file.c:175
124#2 0x67871860 in _al_load_bmp_f (f=0x13eb030, flags=0) at C:\LIBS5303Build\allegro5\addons\image\bmp.c:1320
125#3 0x678726db in _al_load_bmp (filename=0x40b1ee <__register_frame_info+4239854> "02.bmp", flags=0)
126 at C:\LIBS5303Build\allegro5\addons\image\bmp.c:1596
127#4 0x67783ffd in al_load_bitmap_flags (filename=0x40b1ee <__register_frame_info+4239854> "02.bmp", flags=0)
128 at C:\LIBS5303Build\allegro5\src\bitmap_io.c:209
129#5 0x67783f39 in al_load_bitmap (filename=0x40b1ee <__register_frame_info+4239854> "02.bmp")
130 at C:\LIBS5303Build\allegro5\src\bitmap_io.c:184
131#6 0x00401a8c in main (argc=1, argv=0x13e8130) at C:\LIBS5303Build\allegro5\examples\ex_physfs.c:165
132(gdb
)
