add uClibc-ng test directory

9 files changed, 530 insertions, 0 deletions

diff --git a/test/mmap/Makefile b/test/mmap/Makefile
new file mode 100644
index 0000000..89e7195
--- /dev/null
+++ b/test/mmap/Makefile
@@ -0,0 +1,8 @@
+# uClibc mmap tests
+# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+
+top_builddir=../../
+top_srcdir=../../
+include ../Rules.mak
+-include Makefile.in
+include ../Test.mak
diff --git a/test/mmap/Makefile.in b/test/mmap/Makefile.in
new file mode 100644
index 0000000..581f3b0
--- /dev/null
+++ b/test/mmap/Makefile.in
@@ -0,0 +1,2 @@
+# uClibc mmap tests
+# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
diff --git a/test/mmap/mmap.c b/test/mmap/mmap.c
new file mode 100644
index 0000000..8b29737
--- /dev/null
+++ b/test/mmap/mmap.c
@@ -0,0 +1,73 @@
+
+/* The mmap test is useful, since syscalls with 6 arguments
+ * (as mmap) are done differently on various architectures.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <unistd.h>
+#include <sys/mman.h>
+
+#define SIZEOF_ARRAY(type) (sizeof(type)/sizeof(*type))
+
+struct mmap_test {
+	void *ret;
+	int err;
+	struct {
+		void *start;
+		size_t length;
+		int prot;
+		int flags;
+		int fd;
+		off_t offset;
+	} args;
+};
+
+struct mmap_test tests[] = {
+	[0] {
+		.err = 0,
+		.args.start = NULL,
+		.args.length = 4096,
+		.args.prot = PROT_READ|PROT_WRITE,
+		.args.flags = MAP_PRIVATE|MAP_ANONYMOUS,
+		.args.fd = 0,
+		.args.offset = 0
+	},
+};
+
+#define err(fmt, args...) \
+	do { \
+		fprintf(stderr, fmt "\n" , ## args); \
+		exit(1); \
+	} while (0)
+#define errp(fmt, args...) err(fmt ": %s" , ## args , strerror(errno))
+
+int main(int argc, char **argv)
+{
+	int i;
+	struct mmap_test *t;
+
+	for (i=0; i<SIZEOF_ARRAY(tests); ++i) {
+		t = tests + i;
+
+		errno = 0;
+		t->ret = mmap(t->args.start, t->args.length, t->args.prot,
+		              t->args.flags, t->args.fd, t->args.offset);
+
+		if (t->err) {
+			if (t->ret != MAP_FAILED)
+				err("mmap test %i should have failed, but gave us %p", i, t->ret);
+			else if (t->err != errno)
+				errp("mmap test %i failed, but gave us wrong errno (got %i instead of %i)", i, errno, t->err);
+		} else {
+			if (t->ret == MAP_FAILED)
+				errp("mmap test %i failed", i);
+			else if (munmap(t->ret, t->args.length) != 0)
+				errp("munmap test %i failed", i);
+		}
+	}
+
+	exit(0);
+}
diff --git a/test/mmap/mmap2.c b/test/mmap/mmap2.c
new file mode 100644
index 0000000..1d5f5db
--- /dev/null
+++ b/test/mmap/mmap2.c
@@ -0,0 +1,46 @@
+/* When trying to map /dev/mem with offset 0xFFFFF000 on the ARM platform, mmap
+ * returns -EOVERFLOW.
+ *
+ * Since off_t is defined as a long int and the sign bit is set in the address,
+ * the shift operation shifts in ones instead of zeroes
+ * from the left. This results the offset sent to the kernel function becomes
+ * 0xFFFFFFFF instead of 0x000FFFFF with MMAP2_PAGE_SHIFT set to 12.
+ */
+
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <sys/mman.h>
+
+#define FATAL do { fprintf(stderr, "Error at line %d, file %s (%d) [%s]\n", \
+  __LINE__, __FILE__, errno, strerror(errno)); exit(1); } while(0)
+
+#define MAP_SIZE sysconf(_SC_PAGESIZE)
+#define MAP_MASK (MAP_SIZE - 1)
+
+int main(int argc, char **argv) {
+    void* map_base = 0;
+    int fd;
+    off_t target = 0xfffff000;
+    if((fd = open("/dev/mem", O_RDWR | O_SYNC)) == -1) {
+        /* skip test for non-root users */
+        if (errno == EACCES)
+            return 0;
+        FATAL;
+    }
+    printf("/dev/mem opened.\n");
+    fflush(stdout);
+
+   /* Map one page */
+    map_base = mmap(0, MAP_SIZE, PROT_READ | PROT_WRITE, MAP_SHARED,
+                        fd, target & ~MAP_MASK);
+    if(map_base == (void *) -1) FATAL;
+    printf("Memory mapped at address %p.\n", map_base);
+    fflush(stdout);
+    if(munmap(map_base, MAP_SIZE) == -1) FATAL;
+    close(fd);
+    return 0;
+}
diff --git a/test/mmap/mmap64.c b/test/mmap/mmap64.c
new file mode 100644
index 0000000..87165fe
--- /dev/null
+++ b/test/mmap/mmap64.c
@@ -0,0 +1,29 @@
+
+/* The mmap test is useful, since syscalls with 6 arguments
+ * (as mmap) are done differently on various architectures.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/mman.h>
+#include <features.h>
+
+int main(int argc, char **argv)
+{
+#ifdef __UCLIBC_HAS_LFS__
+	void *ptr;
+
+	ptr = mmap64(NULL, 4096, PROT_READ|PROT_WRITE,
+		MAP_PRIVATE|MAP_ANONYMOUS, 0, 0);
+
+	if (ptr == MAP_FAILED) {
+		perror("mmap");
+		exit(1);
+	}
+	printf("mmap returned %p\n", ptr);
+	exit(0);
+#else
+	exit(0);
+#endif
+}
diff --git a/test/mmap/tst-mmap-eofsync.c b/test/mmap/tst-mmap-eofsync.c
new file mode 100644
index 0000000..e8ef727
--- /dev/null
+++ b/test/mmap/tst-mmap-eofsync.c
@@ -0,0 +1,106 @@
+/* Test program for synchronization of stdio state with file after EOF.  */
+
+#include <stdio.h>
+#include <error.h>
+#include <errno.h>
+
+static void do_prepare (void);
+#define PREPARE(argc, argv) do_prepare ()
+static int do_test (void);
+#define TEST_FUNCTION do_test ()
+#include <test-skeleton.c>
+
+static char *temp_file;
+static int temp_fd;
+
+static char text1[] = "Line the first\n";
+static char text2[] = "Line the second\n";
+
+static void
+do_prepare (void)
+{
+  temp_fd = create_temp_file ("tst-mmap-eofsync.", &temp_file);
+  if (temp_fd == -1)
+    error (1, errno, "cannot create temporary file");
+  else
+    {
+      ssize_t cc = write (temp_fd, text1, sizeof text1 - 1);
+      if (cc != sizeof text1 - 1)
+	error (1, errno, "cannot write to temporary file");
+    }
+}
+
+static int
+do_test (void)
+{
+  FILE *f;
+  char buf[128];
+  int result = 0;
+  int c;
+
+  f = fopen (temp_file, "rm");
+  if (f == NULL)
+    {
+      perror (temp_file);
+      return 1;
+    }
+
+  if (fgets (buf, sizeof buf, f) == NULL)
+    {
+      perror ("fgets");
+      return 1;
+    }
+
+  if (strcmp (buf, text1))
+    {
+      printf ("read \"%s\", expected \"%s\"\n", buf, text1);
+      result = 1;
+    }
+
+  printf ("feof = %d, ferror = %d immediately after fgets\n",
+	  feof (f), ferror (f));
+
+#if 1
+  c = fgetc (f);
+  if (c == EOF)
+    printf ("fgetc -> EOF (feof = %d, ferror = %d)\n",
+	    feof (f), ferror (f));
+  else
+    {
+      printf ("fgetc returned %o (feof = %d, ferror = %d)\n",
+	      c, feof (f), ferror (f));
+      result = 1;
+    }
+#endif
+
+  c = write (temp_fd, text2, sizeof text2 - 1);
+  if (c == sizeof text2 - 1)
+    printf ("wrote more to file\n");
+  else
+    {
+      printf ("wrote %d != %zd (%m)\n", c, sizeof text2 - 1);
+      result = 1;
+    }
+
+  if (fgets (buf, sizeof buf, f) == NULL)
+    {
+      printf ("second fgets fails: feof = %d, ferror = %d (%m)\n",
+	      feof (f), ferror (f));
+      clearerr (f);
+      if (fgets (buf, sizeof buf, f) == NULL)
+	{
+	  printf ("retry fgets fails: feof = %d, ferror = %d (%m)\n",
+		  feof (f), ferror (f));
+	  result = 1;
+	}
+    }
+  if (result == 0 && strcmp (buf, text2))
+    {
+      printf ("second time read \"%s\", expected \"%s\"\n", buf, text2);
+      result = 1;
+    }
+
+  fclose (f);
+
+  return result;
+}
diff --git a/test/mmap/tst-mmap-fflushsync.c b/test/mmap/tst-mmap-fflushsync.c
new file mode 100644
index 0000000..24ae33c
--- /dev/null
+++ b/test/mmap/tst-mmap-fflushsync.c
@@ -0,0 +1,99 @@
+/* Test program for synchronization of stdio state with file after fflush.  */
+
+#include <stdio.h>
+#include <error.h>
+#include <errno.h>
+
+static void do_prepare (void);
+#define PREPARE(argc, argv) do_prepare ()
+static int do_test (void);
+#define TEST_FUNCTION do_test ()
+#include <test-skeleton.c>
+
+static char *temp_file;
+static int temp_fd;
+
+static char text1[] = "Line the first\n";
+static char text2[] = "Line the second\n";
+
+static void
+do_prepare (void)
+{
+  temp_fd = create_temp_file ("tst-mmap-eofsync.", &temp_file);
+  if (temp_fd == -1)
+    error (1, errno, "cannot create temporary file");
+  else
+    {
+      ssize_t cc = write (temp_fd, text1, sizeof text1 - 1);
+      if (cc != sizeof text1 - 1)
+	error (1, errno, "cannot write to temporary file");
+    }
+}
+
+static int
+do_test (void)
+{
+  FILE *f;
+  char buf[128];
+  int result = 0;
+  int c;
+
+  f = fopen (temp_file, "rm");
+  if (f == NULL)
+    {
+      perror (temp_file);
+      return 1;
+    }
+
+  if (fgets (buf, sizeof buf, f) == NULL)
+    {
+      perror ("fgets");
+      return 1;
+    }
+
+  if (strcmp (buf, text1))
+    {
+      printf ("read \"%s\", expected \"%s\"\n", buf, text1);
+      result = 1;
+    }
+
+  printf ("feof = %d, ferror = %d immediately after fgets\n",
+	  feof (f), ferror (f));
+
+  if (fflush (f) != 0)
+    {
+      printf ("fflush failed! %m\n");
+      result = 1;
+    }
+
+  c = write (temp_fd, text2, sizeof text2 - 1);
+  if (c == sizeof text2 - 1)
+    printf ("wrote more to file\n");
+  else
+    {
+      printf ("wrote %d != %zd (%m)\n", c, sizeof text2 - 1);
+      result = 1;
+    }
+
+  if (fgets (buf, sizeof buf, f) == NULL)
+    {
+      printf ("second fgets fails: feof = %d, ferror = %d (%m)\n",
+	      feof (f), ferror (f));
+      clearerr (f);
+      if (fgets (buf, sizeof buf, f) == NULL)
+	{
+	  printf ("retry fgets fails: feof = %d, ferror = %d (%m)\n",
+		  feof (f), ferror (f));
+	  result = 1;
+	}
+    }
+  if (result == 0 && strcmp (buf, text2))
+    {
+      printf ("second time read \"%s\", expected \"%s\"\n", buf, text2);
+      result = 1;
+    }
+
+  fclose (f);
+
+  return result;
+}
diff --git a/test/mmap/tst-mmap-offend.c b/test/mmap/tst-mmap-offend.c
new file mode 100644
index 0000000..19732e6
--- /dev/null
+++ b/test/mmap/tst-mmap-offend.c
@@ -0,0 +1,86 @@
+/* Test case for bug with mmap stdio read past end of file.  */
+
+#include <stdio.h>
+#include <error.h>
+#include <errno.h>
+
+static void do_prepare (void);
+#define PREPARE(argc, argv) do_prepare ()
+static int do_test (void);
+#define TEST_FUNCTION do_test ()
+#include <test-skeleton.c>
+
+static char *temp_file;
+
+static const char text1[] = "hello\n";
+
+static void
+do_prepare (void)
+{
+  int temp_fd = create_temp_file ("tst-mmap-offend.", &temp_file);
+  if (temp_fd == -1)
+    error (1, errno, "cannot create temporary file");
+  else
+    {
+      ssize_t cc = write (temp_fd, text1, sizeof text1 - 1);
+      if (cc != sizeof text1 - 1)
+	error (1, errno, "cannot write to temporary file");
+    }
+  close (temp_fd);
+}
+
+static int
+do_test (void)
+{
+  unsigned char buffer[8192];
+  int result = 0;
+  FILE *f = fopen (temp_file, "rm");
+  size_t cc;
+
+  if (f == NULL)
+    {
+      perror (temp_file);
+      return 1;
+    }
+
+  cc = fread (buffer, 1, sizeof (buffer), f);
+  printf ("fread %zu: \"%.*s\"\n", cc, (int) cc, buffer);
+  if (cc != sizeof text1 - 1)
+    {
+      perror ("fread");
+      result = 1;
+    }
+
+  if (fseek (f, 2048, SEEK_SET) != 0)
+    {
+      perror ("fseek off end");
+      result = 1;
+    }
+
+  if (fread (buffer, 1, sizeof (buffer), f) != 0
+      || ferror (f) || !feof (f))
+    {
+      printf ("after fread error %d eof %d\n",
+	      ferror (f), feof (f));
+      result = 1;
+    }
+
+  printf ("ftell %ld\n", ftell (f));
+
+  if (fseek (f, 0, SEEK_SET) != 0)
+    {
+      perror ("fseek rewind");
+      result = 1;
+    }
+
+  cc = fread (buffer, 1, sizeof (buffer), f);
+  printf ("fread after rewind %zu: \"%.*s\"\n", cc, (int) cc, buffer);
+  if (cc != sizeof text1 - 1)
+    {
+      perror ("fread after rewind");
+      result = 1;
+    }
+
+  fclose (f);
+  return result;
+}
diff --git a/test/mmap/tst-mmap-setvbuf.c b/test/mmap/tst-mmap-setvbuf.c
new file mode 100644
index 0000000..33d60b7
--- /dev/null
+++ b/test/mmap/tst-mmap-setvbuf.c
@@ -0,0 +1,81 @@
+/* Test setvbuf on readonly fopen (using mmap stdio).
+   Copyright (C) 2002-2016 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Jakub Jelinek <jakub@redhat.com>, 2002.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+int main (void)
+{
+  char name[] = "/tmp/tst-mmap-setvbuf.XXXXXX";
+  char buf[4096];
+  const char * const test = "Let's see if mmap stdio works with setvbuf.\n";
+  char temp[strlen (test) + 1];
+  int fd = mkstemp (name);
+  FILE *f;
+
+  if (fd == -1)
+    {
+      printf ("%u: cannot open temporary file: %m\n", __LINE__);
+      exit (1);
+    }
+
+  f = fdopen (fd, "w");
+  if (f == NULL)
+    {
+      printf ("%u: cannot fdopen temporary file: %m\n", __LINE__);
+      exit (1);
+    }
+
+  fputs (test, f);
+  fclose (f);
+
+  f = fopen (name, "rm");
+  if (f == NULL)
+    {
+      printf ("%u: cannot fopen temporary file: %m\n", __LINE__);
+      exit (1);
+    }
+
+  if (setvbuf (f, buf, _IOFBF, sizeof buf))
+    {
+      printf ("%u: setvbuf failed: %m\n", __LINE__);
+      exit (1);
+    }
+
+  if (fread (temp, 1, strlen (test), f) != strlen (test))
+    {
+      printf ("%u: couldn't read the file back: %m\n", __LINE__);
+      exit (1);
+    }
+  temp [strlen (test)] = '\0';
+
+  if (strcmp (test, temp))
+    {
+      printf ("%u: read different string than was written:\n%s%s",
+	      __LINE__, test, temp);
+      exit (1);
+    }
+
+  fclose (f);
+
+  unlink (name);
+  exit (0);
+}