p6debuglog.txt

 gcc -g p6final.c
 gdb a.out
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Reading symbols from a.out...done.
(gdb) b main
Breakpoint 1 at 0x8de: file p6final.c, line 40.
(gdb) r
Starting program: /home/runner/IA2-Test1-Session2/a.out 
warning: Error disabling address space randomization: Operation not permitted

Breakpoint 1, main () at p6final.c:40
40  {
(gdb) n
42      input_string(a);
(gdb) s
input_string (a=0x7ffe75d5b870 "\a\207\\\023k\177") at p6final.c:7
7       printf("enter a string\n");
(gdb) n
enter a string
8       scanf("%s",a);
(gdb) n
hello
9   }
(gdb) n
main () at p6final.c:43
43      string_copy(d,a);
(gdb) s
string_copy (d=0x7ffe75d5b8e0 "", a=0x7ffe75d5b870 "hello") at p6final.c:18
18      for(int i=0;a[i]!='\0';i++)
(gdb) n
20              d[i]=a[i];
(gdb) n
18      for(int i=0;a[i]!='\0';i++)
(gdb) n
20              d[i]=a[i];
(gdb) n
18      for(int i=0;a[i]!='\0';i++)
(gdb) n
20              d[i]=a[i];
(gdb) n
18      for(int i=0;a[i]!='\0';i++)
(gdb) n
20              d[i]=a[i];
(gdb) n
18      for(int i=0;a[i]!='\0';i++)
(gdb) n
20              d[i]=a[i];
(gdb) n
18      for(int i=0;a[i]!='\0';i++)
(gdb) n
22  }
(gdb) n
main () at p6final.c:44
44      str_rev(a);
(gdb) s
str_rev (a=0x7ffe75d5b870 "hello") at p6final.c:25
25      int length=string_length(a);
(gdb) n
26      length-=1;
(gdb) n
28      for(int i=0;i<length/2;i++)
(gdb) n
30              t=a[i];
(gdb) n
31              a[i]=a[length-i];
(gdb) n
32              a[length-i]=t;
(gdb) n
28      for(int i=0;i<length/2;i++)
(gdb) n
30              t=a[i];
(gdb) n
31              a[i]=a[length-i];
(gdb) n
32              a[length-i]=t;
(gdb) n
28      for(int i=0;i<length/2;i++)
(gdb) n
34  }
(gdb) n
main () at p6final.c:45
45      output(a);
(gdb) s
output (a=0x7ffe75d5b870 "olleh") at p6final.c:37
37      printf("the reverse is %s",a);
(gdb) n
38  }
(gdb) n
main () at p6final.c:46
46      return 0;
(gdb) n
47  }(gdb) n
__libc_start_main (main=0x562305c008d3 <main>, argc=1, argv=0x7ffe75d5ba38, 
    init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, 
    stack_end=0x7ffe75d5ba28) at ../csu/libc-start.c:344
344 ../csu/libc-start.c: No such file or directory.
(gdb) n
the reverse is olleh[Inferior 1 (process 101) exited normally]
(gdb)