#include <stdio.h>

void Leak(char *inStr){char *str = (char *) malloc(strlen(inStr));  memcpy(str, inStr, strlen(inStr));}

char *AvoidLeak(char *inStr){char *str = (char *) malloc(strlen(inStr));  memcpy(str, inStr, strlen(inStr));return str;}

int main(){char *str;

  Leak("This leaks 19 bytes");  str = AvoidLeak("This is not a 26 byte leak");  free(str);  str = AvoidLeak("12 byte leak");  exit(0);}

.--------------------------------------------------------------------------.|================ ccmalloc-0.3.8 (C) 1997-2001 Armin Biere ================|+--------------------------------------------------------------------------+| executable       = /home/faculty/donahoo/public_html/tools/ccmalloc/a.out || startup file     = .ccmalloc (but not found)                             || log file         = stderr                                                || start time       = Wed Dec 19 09:57:16 2001                              || operating system = Linux 2.4.2-2smp i686 on earth.ecs.baylor.edu         |+--------------------------------------------------------------------------+| only-count        = 0            keep-deallocated-data = 0               || check-interval    = 0            check-free-space      = 0               || check-start       = 0            file-info             = 1               || chain-length      = 0            additional-line       = 1               || check-underwrites = 0            print-addresses       = 0               || check-overwrites  = 0            print-on-one-line     = 0               || sort-by-wasted    = 1            sort-by-size          = 1               || # only-log-chain  = 0            continue              = 0               || # dont-log-chain  = 0            statistics            = 0               || debug             = 0            library-chains        = 0               || load-dynlibs      = 0            align-8-byte          = 0               || only-wasting-alloc= 1                                                    |`--------------------------------------------------------------------------'

.---------------.|ccmalloc report|=======================================================| total # of|   allocated | deallocated |     garbage |+-----------+-------------+-------------+-------------+|      bytes|          57 |          26 |          31 |+-----------+-------------+-------------+-------------+|allocations|           3 |           1 |           2 |+-----------------------------------------------------+| number of checks: 1                                 || number of counts: 4                                 || retrieving function names for addresses ... done.   || reading file info from gdb ... done.                || sorting by number of not reclaimed bytes ... done.  || number of call chains: 2                            || number of ignored call chains: 0                    || number of reported call chains: 2                   || number of internal call chains: 2                   || number of library call chains: 0                    |=======================================================|* 61.3% = 19 Bytes of garbage allocated in 1 allocation|       ||       |       0x40047306 in <???>|       ||       |       0x080493eb in <main>|       |                  at test1.c:20|       ||       |       0x0804935c in <Leak>|       |                  at test1.c:5|       ||       `-----> 0x08052fb7 in <malloc>|                          at src/wrapper.c:318|        * 38.7% = 12 Bytes of garbage allocated in 1 allocation|       ||       |       0x40047306 in <???>|       ||       |       0x0804941e in <main>|       |                  at test1.c:23|       ||       |       0x080493a4 in <AvoidLeak>|       |                  at test1.c:11|       ||       `-----> 0x08052fb7 in <malloc>|                          at src/wrapper.c:318|        `------------------------------------------------------

/* Test from creator of ccmalloc (http://iseran.ira.uka.de/~armin/ccmalloc/) */#include <stdio.h>#include <stdlib.h>

static char *mkstr(char *s) { return strcpy(malloc(strlen(s)+1), s);}

void f() {  mkstr("asdfasdf");}

void g(){int i;char *a[100];

for(i=0; i<100; i++)    a[i] = mkstr("in f");

  free(a[2]);  free(a[0]);}

int main(){char *a = mkstr("Hallo"), *b;

  (void) mkstr("Test");

  f();

  b = mkstr("Test");

  g();

  a[6]=0;

  free(b);  free(a);

  exit(0);return 1;}

.--------------------------------------------------------------------------.|================ ccmalloc-0.3.8 (C) 1997-2001 Armin Biere ================|+--------------------------------------------------------------------------+| executable       = /home/faculty/donahoo/public_html/tools/ccmalloc/a.out || startup file     = .ccmalloc (but not found)                             || log file         = stderr                                                || start time       = Wed Dec 19 10:05:49 2001                              || operating system = Linux 2.4.2-2smp i686 on earth.ecs.baylor.edu         |+--------------------------------------------------------------------------+| only-count        = 0            keep-deallocated-data = 0               || check-interval    = 0            check-free-space      = 0               || check-start       = 0            file-info             = 1               || chain-length      = 0            additional-line       = 1               || check-underwrites = 0            print-addresses       = 0               || check-overwrites  = 0            print-on-one-line     = 0               || sort-by-wasted    = 1            sort-by-size          = 1               || # only-log-chain  = 0            continue              = 0               || # dont-log-chain  = 0            statistics            = 0               || debug             = 0            library-chains        = 0               || load-dynlibs      = 0            align-8-byte          = 0               || only-wasting-alloc= 1                                                    |`--------------------------------------------------------------------------'

.---------------.|ccmalloc report|=======================================================| total # of|   allocated | deallocated |     garbage |+-----------+-------------+-------------+-------------+|      bytes|         525 |          21 |         504 |+-----------+-------------+-------------+-------------+|allocations|         104 |           4 |         100 |+-----------------------------------------------------+| number of checks: 1                                 || number of counts: 108                               || retrieving function names for addresses ... done.   || reading file info from gdb ... done.                || sorting by number of not reclaimed bytes ... done.  || number of call chains: 3                            || number of ignored call chains: 0                    || number of reported call chains: 3                   || number of internal call chains: 3                   || number of library call chains: 0                    |=======================================================|* 97.2% = 490 Bytes of garbage allocated in 98 allocations|       ||       |       0x40047306 in <???>|       ||       |       0x0804944a in <main>|       |                  at test2.c:36|       ||       |       0x080493b9 in <g>|       |                  at test2.c:20|       ||       |       0x08049360 in <mkstr>|       |                  at test2.c:7|       ||       `-----> 0x08053007 in <malloc>|                          at src/wrapper.c:318|        |  1.8% = 9 Bytes of garbage allocated in 1 allocation|       ||       |       0x40047306 in <???>|       ||       |       0x08049430 in <main>|       |                  at test2.c:32|       ||       |       0x0804938b in <f>|       |                  at test2.c:11|       ||       |       0x08049360 in <mkstr>|       |                  at test2.c:7|       ||       `-----> 0x08053007 in <malloc>|                          at src/wrapper.c:318|        |  0.10% = 5 Bytes of garbage allocated in 1 allocation|       ||       |       0x40047306 in <???>|       ||       |       0x08049428 in <main>|       |                  at test2.c:30|       ||       |       0x08049360 in <mkstr>|       |                  at test2.c:7|       ||       `-----> 0x08053007 in <malloc>|                          at src/wrapper.c:318|        `------------------------------------------------------