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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-7.1/] [sim/] [testsuite/] [sim/] [cris/] [c/] [mmap1.c] - Rev 227
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/* #notarget: cris*-*-elf */ #define _GNU_SOURCE #include <string.h> #include <stdlib.h> #include <stdio.h> #include <sys/types.h> #include <sys/stat.h> #include <fcntl.h> #include <unistd.h> #include <sys/mman.h> int main (int argc, char *argv[]) { int fd = open (argv[0], O_RDONLY); struct stat sb; int size; void *a; const char *str = "a string you'll only find in the program"; if (fd == -1) { perror ("open"); abort (); } if (fstat (fd, &sb) < 0) { perror ("fstat"); abort (); } size = sb.st_size; /* We want to test mmapping a size that isn't exactly a page. */ if ((size & 8191) == 0) size--; #ifndef MMAP_FLAGS #define MMAP_FLAGS MAP_PRIVATE #endif a = mmap (NULL, size, PROT_READ, MMAP_FLAGS, fd, 0); if (memmem (a, size, str, strlen (str) + 1) == NULL) abort (); printf ("pass\n"); exit (0); }