[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/libc/glibc/glibc-2.22/libio/bug-fseek.c b/ap/libc/glibc/glibc-2.22/libio/bug-fseek.c
new file mode 100644
index 0000000..1b60580
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.22/libio/bug-fseek.c
@@ -0,0 +1,123 @@
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+
+static char *fname;
+
+
+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 void
+do_prepare (void)
+{
+ static const char pattern[] = "12345678901234567890";
+ int fd = create_temp_file ("bug-fseek.", &fname);
+ if (fd == -1)
+ {
+ printf ("cannot create temporary file: %m\n");
+ exit (1);
+ }
+
+ if (write (fd, pattern, sizeof (pattern)) != sizeof (pattern))
+ {
+ perror ("short write");
+ abort ();
+ }
+ close (fd);
+}
+
+
+
+static int
+do_test (void)
+{
+ FILE *f;
+ int result = 0;
+ char buf[10];
+
+
+ if ((f = fopen (fname, "r")) == (FILE *) NULL)
+ {
+ perror ("fopen(\"r\")");
+ }
+
+ fread (buf, 3, 1, f);
+ errno = 0;
+ if (fseek (f, -10, SEEK_CUR) == 0)
+ {
+ printf ("fseek() for r to before start of file worked!\n");
+ result = 1;
+ }
+ else if (errno != EINVAL)
+ {
+ printf ("\
+fseek() for r to before start of file did not set errno to EINVAL. \
+Got %d instead\n",
+ errno);
+ result = 1;
+ }
+
+ fclose (f);
+
+
+ if ((f = fopen (fname, "r+")) == (FILE *) NULL)
+ {
+ perror ("fopen(\"r+\")");
+ }
+
+ fread (buf, 3, 1, f);
+ errno = 0;
+ if (fseek (f, -10, SEEK_CUR) == 0)
+ {
+ printf ("fseek() for r+ to before start of file worked!\n");
+ result = 1;
+ }
+ else if (errno != EINVAL)
+ {
+ printf ("\
+fseek() for r+ to before start of file did not set errno to EINVAL. \
+Got %d instead\n",
+ errno);
+ result = 1;
+ }
+
+ fclose (f);
+
+
+ if ((f = fopen (fname, "r+")) == (FILE *) NULL)
+ {
+ perror ("fopen(\"r+\")");
+ }
+
+ fread (buf, 3, 1, f);
+ if (ftell (f) != 3)
+ {
+ puts ("ftell failed");
+ return 1;
+ }
+ errno = 0;
+ if (fseek (f, -10, SEEK_CUR) == 0)
+ {
+ printf ("fseek() for r+ to before start of file worked!\n");
+ result = 1;
+ }
+ else if (errno != EINVAL)
+ {
+ printf ("\
+fseek() for r+ to before start of file did not set errno to EINVAL. \
+Got %d instead\n",
+ errno);
+ result = 1;
+ }
+
+ fclose (f);
+
+ return result;
+}