qemu

FORK: QEMU emulator
git clone https://git.neptards.moe/neptards/qemu.git
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check_mapbrk.c (699B)

      1 #include <stdio.h>
      2 #include <stdlib.h>
      3 
      4 /* Basic sanity check that syscalls to implement malloc (brk, mmap2,
      5    munmap) are trivially functional.  */
      6 
      7 int main ()
      8 {
      9   void *p1, *p2, *p3, *p4, *p5, *p6;
     10 
     11   if ((p1 = malloc (8100)) == NULL
     12       || (p2 = malloc (16300)) == NULL
     13       || (p3 = malloc (4000)) == NULL
     14       || (p4 = malloc (500)) == NULL
     15       || (p5 = malloc (1023*1024)) == NULL
     16       || (p6 = malloc (8191*1024)) == NULL)
     17   {
     18     printf ("fail\n");
     19     exit (1);
     20   }
     21 
     22   free (p1);
     23   free (p2);
     24   free (p3);
     25   free (p4);
     26   free (p5);
     27   free (p6);
     28 
     29   p1 = malloc (64000);
     30   if (p1 == NULL)
     31   {
     32     printf ("fail\n");
     33     exit (1);
     34   }
     35   free (p1);
     36 
     37   printf ("pass\n");
     38   exit (0);
     39 }