tylersgit / logfind

Implementation of project logfind from Learn C The Hard Way

Project Logfind

This is an implementation of project logfind from Learn C The Hard Way.

The number of files that can be used in .logfind is limited to 10 in the .h file. In the future this may be rewritten this to accomadate a dynamic number of rows.

logfind's Issues

Cleanup function causes crashes

(gdb) run
Starting program: /root/exercise26/./ex26
String: /var/log/messages

String: /var/log/messages.1

String: /var/log/messages.2

*** Error in `/root/exercise26/./ex26': corrupted size vs. prev_size: 0x0000000000602240 ***
======= Backtrace: =========
/lib64/libc.so.6(+0x7f474)[0x7ffff7a8c474]
/lib64/libc.so.6(+0x8156b)[0x7ffff7a8e56b]
/root/exercise26/./ex26[0x400870]
/root/exercise26/./ex26[0x400a69]
/lib64/libc.so.6(__libc_start_main+0xf5)[0x7ffff7a2f555]
/root/exercise26/./ex26[0x4006f9]
======= Memory map: ========
00400000-00401000 r-xp 00000000 fd:00 23006 /root/exercise26/ex26
00600000-00601000 r--p 00000000 fd:00 23006 /root/exercise26/ex26
00601000-00602000 rw-p 00001000 fd:00 23006 /root/exercise26/ex26
00602000-00623000 rw-p 00000000 00:00 0 [heap]
7ffff0000000-7ffff0021000 rw-p 00000000 00:00 0
7ffff0021000-7ffff4000000 ---p 00000000 00:00 0
7ffff77f7000-7ffff780c000 r-xp 00000000 fd:00 34397554 /usr/lib64/libgcc_s-4.8.5-20150702.so.1
7ffff780c000-7ffff7a0b000 ---p 00015000 fd:00 34397554 /usr/lib64/libgcc_s-4.8.5-20150702.so.1
7ffff7a0b000-7ffff7a0c000 r--p 00014000 fd:00 34397554 /usr/lib64/libgcc_s-4.8.5-20150702.so.1
7ffff7a0c000-7ffff7a0d000 rw-p 00015000 fd:00 34397554 /usr/lib64/libgcc_s-4.8.5-20150702.so.1
7ffff7a0d000-7ffff7bd1000 r-xp 00000000 fd:00 33589089 /usr/lib64/libc-2.17.so
7ffff7bd1000-7ffff7dd0000 ---p 001c4000 fd:00 33589089 /usr/lib64/libc-2.17.so
7ffff7dd0000-7ffff7dd4000 r--p 001c3000 fd:00 33589089 /usr/lib64/libc-2.17.so
7ffff7dd4000-7ffff7dd6000 rw-p 001c7000 fd:00 33589089 /usr/lib64/libc-2.17.so
7ffff7dd6000-7ffff7ddb000 rw-p 00000000 00:00 0
7ffff7ddb000-7ffff7dfd000 r-xp 00000000 fd:00 33589081 /usr/lib64/ld-2.17.so
7ffff7fef000-7ffff7ff2000 rw-p 00000000 00:00 0
7ffff7ff6000-7ffff7ffa000 rw-p 00000000 00:00 0
7ffff7ffa000-7ffff7ffc000 r-xp 00000000 00:00 0 [vdso]
7ffff7ffc000-7ffff7ffd000 r--p 00021000 fd:00 33589081 /usr/lib64/ld-2.17.so
7ffff7ffd000-7ffff7ffe000 rw-p 00022000 fd:00 33589081 /usr/lib64/ld-2.17.so
7ffff7ffe000-7ffff7fff000 rw-p 00000000 00:00 0
7ffffffde000-7ffffffff000 rw-p 00000000 00:00 0 [stack]
ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0 [vsyscall]

Program received signal SIGABRT, Aborted.
0x00007ffff7a43387 in raise () from /lib64/libc.so.6
Missing separate debuginfos, use: debuginfo-install glibc-2.17-325.el7_9.x86_64 libgcc-4.8.5-44.el7.x86_64
(gdb) bt
#0 0x00007ffff7a43387 in raise () from /lib64/libc.so.6
#1 0x00007ffff7a44a78 in abort () from /lib64/libc.so.6
#2 0x00007ffff7a85f67 in __libc_message () from /lib64/libc.so.6
#3 0x00007ffff7a8c474 in malloc_printerr () from /lib64/libc.so.6
#4 0x00007ffff7a8e56b in _int_free () from /lib64/libc.so.6
#5 0x0000000000400870 in cleanup (logfind_dot_file=0x602010, file_list=0x602250) at ex26.c:39
#6 0x0000000000400a69 in main (argc=1, argv=0x7fffffffe088) at ex26.c:66
(gdb)