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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-6.8/] [sim/] [testsuite/] [sim/] [cris/] [c/] [mmap1.c] - Blame information for rev 24

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Line No. Rev Author Line
1 24 jeremybenn
/*
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#notarget: cris*-*-elf
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*/
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#define _GNU_SOURCE
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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <sys/mman.h>
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int main (int argc, char *argv[])
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{
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  int fd = open (argv[0], O_RDONLY);
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  struct stat sb;
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  int size;
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  void *a;
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  const char *str = "a string you'll only find in the program";
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  if (fd == -1)
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    {
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      perror ("open");
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      abort ();
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    }
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  if (fstat (fd, &sb) < 0)
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    {
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      perror ("fstat");
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      abort ();
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    }
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  size = sb.st_size;
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  /* We want to test mmapping a size that isn't exactly a page.  */
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  if ((size & 8191) == 0)
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    size--;
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  a = mmap (NULL, size, PROT_READ, MAP_PRIVATE, fd, 0);
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  if (memmem (a, size, str, strlen (str) + 1) == NULL)
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    abort ();
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  printf ("pass\n");
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  exit (0);
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}

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