Initial KLEE checkin.

 - Lots more tweaks, documentation, and web page content is needed,
   but this should compile & work on OS X & Linux.


git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@72205 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 57 insertions, 0 deletions

diff --git a/test/Runtime/POSIX/DirSeek.c b/test/Runtime/POSIX/DirSeek.c
new file mode 100644
index 00000000..1735fdb8
--- /dev/null
+++ b/test/Runtime/POSIX/DirSeek.c
@@ -0,0 +1,57 @@
+// RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t2.bc
+// RUN: %klee --run-in=/tmp --init-env --libc=uclibc --posix-runtime --exit-on-error %t2.bc --sym-files 2 2
+// RUN: %klee --run-in=/tmp --init-env --libc=uclibc --posix-runtime --exit-on-error %t2.bc --sym-files 1 2
+// RUN: %klee --run-in=/tmp --init-env --libc=uclibc --posix-runtime --exit-on-error %t2.bc --sym-files 0 2
+
+// For this test really to work as intended it needs to be run in a
+// directory large enough to cause uclibc to do multiple getdents
+// calls (otherwise uclibc will handle the seeks itself). We should
+// create a bunch of files or something.
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <dirent.h>
+#include <sys/stat.h>
+#include <errno.h>
+#include <string.h>
+
+int main(int argc, char **argv) {
+  struct stat s;
+
+  char first[256], second[256];
+  DIR *d = opendir(".");
+  struct dirent *de = readdir(d);
+  assert(de);
+  strcpy(first, de->d_name);
+  off_t pos = telldir(d);
+  printf("pos: %d\n", telldir(d));
+  de = readdir(d);
+  assert(de);
+  strcpy(second, de->d_name);
+
+  // Go back to second and check
+  seekdir(d, pos);
+  de = readdir(d);
+  assert(de);
+  assert(strcmp(de->d_name, second) == 0);
+
+  // Go to end, then back to 2nd
+  while (de)
+    de = readdir(d);
+  assert(!errno);
+  seekdir(d, pos);
+  assert(telldir(d) == pos);
+  de = readdir(d);
+  assert(de);
+  assert(strcmp(de->d_name, second) == 0);
+
+  // Go to beginning and check
+  rewinddir(d);
+  de = readdir(d);
+  assert(de);
+  assert(strcmp(de->d_name, first) == 0);  
+  closedir(d);
+
+  return 0;
+}