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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. extern void malloc_stats(void);
  5.  
  6. int main() {
  7.     printf("Program start...\n");
  8.     malloc_stats();
  9.     printf("Allocating 1024 bytes...\n");
  10.     void* p = malloc(1024);
  11.     malloc_stats();
  12.     printf("Allocating 1024 bytes...\n");
  13.     void* p2 = malloc(1024);
  14.     malloc_stats();
  15.     printf("Freeing 1024 bytes...\n");
  16.     free(p2);
  17.     p2 = NULL;
  18.     malloc_stats();
  19.     printf("Freeing 1024 bytes...\n");
  20.     free(p);
  21.     p = NULL;
  22.     malloc_stats();
  23.     return 0;
  24. }
Success #stdin #stdout #stderr 0s 2160KB
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stdin
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Standard input is empty
stdout
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Program start...
Allocating 1024 bytes...
Allocating 1024 bytes...
Freeing 1024 bytes...
Freeing 1024 bytes...
stderr
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Arena 0:
system bytes     =          0
in use bytes     =          0
Total (incl. mmap):
system bytes     =          0
in use bytes     =          0
max mmap regions =          0
max mmap bytes   =          0
Arena 0:
system bytes     =          0
in use bytes     =          0
Total (incl. mmap):
system bytes     =          0
in use bytes     =          0
max mmap regions =          0
max mmap bytes   =          0
Arena 0:
system bytes     =          0
in use bytes     =          0
Total (incl. mmap):
system bytes     =          0
in use bytes     =          0
max mmap regions =          0
max mmap bytes   =          0
Arena 0:
system bytes     =          0
in use bytes     =          0
Total (incl. mmap):
system bytes     =          0
in use bytes     =          0
max mmap regions =          0
max mmap bytes   =          0
Arena 0:
system bytes     =          0
in use bytes     =          0
Total (incl. mmap):
system bytes     =          0
in use bytes     =          0
max mmap regions =          0
max mmap bytes   =          0
https://ideone.com/63f2IC
language:
C (gcc 8.3)
created:
8 years ago
visibility:
public

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