Test for EUC-TW bug with too-short output buffers.

1 files changed, 78 insertions, 0 deletions

diff --git a/iconvdata/bug-iconv4.c b/iconvdata/bug-iconv4.c
new file mode 100644
index 0000000..f6bfebd
--- /dev/null
+++ b/iconvdata/bug-iconv4.c
@@ -0,0 +1,78 @@
+/* Contributed by Jiro SEKIBA <jir@yamato.ibm.com>.  */
+#include <errno.h>
+#include <iconv.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define UCS_STR "\x4e\x8c" /* EUC-TW 0xa2a2, EUC-JP 0x */
+
+static const char *to_code;
+
+static bool
+xiconv (iconv_t cd, int out_size)
+{
+  unsigned char euc[4];
+  char *inp = (char *) UCS_STR;
+  char *outp = euc;
+  size_t inbytesleft = strlen (UCS_STR);
+  size_t outbytesleft = out_size;
+  size_t ret;
+  bool fail = false;
+
+  errno = 0;
+  ret = iconv (cd, &inp, &inbytesleft, &outp, &outbytesleft);
+  if (errno || ret == (size_t) -1)
+    {
+      fail = out_size == 4 || errno != E2BIG;
+      printf ("expected %d (E2BIG), got %d (%m)\n", E2BIG, errno);
+    }
+  else
+    {
+      printf ("%s: 0x%02x%02x\n", to_code, euc[0], euc[1]);
+      if (out_size == 1)
+	fail = true;
+    }
+
+  return fail;
+}
+
+
+static iconv_t
+xiconv_open (const char *code)
+{
+  iconv_t cd;
+  to_code = code;
+  errno = 0;
+  if (errno || (cd = iconv_open (to_code, "UCS-2BE")) == (iconv_t) -1)
+    {
+      puts ("Can't open converter");
+      exit (1);
+    }
+  return cd;
+}
+
+
+int
+main (void)
+{
+  iconv_t cd;
+  int result = 0;
+
+  cd = xiconv_open ("EUC-TW");
+  result |= xiconv (cd, 4) == true;
+  puts ("---");
+  result |= xiconv (cd, 1) == true;
+  puts ("---");
+  iconv_close (cd);
+
+  cd = xiconv_open ("EUC-JP");
+  result |= xiconv (cd, 4) == true;
+  puts ("---");
+  result |= xiconv (cd, 1) == true;
+  puts ("---");
+  iconv_close (cd);
+
+  return result;
+}