Verify support for wide ODBC character types before using them.

(closes issue #15870)
 Reported by: nic_bellamy


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@217638 65c4cc65-6c06-0410-ace0-fbb531ad65f3

configure.ac

@@ -1653,6 +1653,20 @@ else
 fi
 AC_SUBST(EDITLINE_LIB)
 
+if test "x${PBX_UNIXODBC}" = "x1" -o "x${PBX_IODBC}" = "x1"; then
+	# Does ODBC support wide characters?
+	AC_MSG_CHECKING(whether ODBC has support for Unicode types)
+	AC_LINK_IFELSE(
+		AC_LANG_PROGRAM(
+			[#include <sql.h>
+#include <sqlext.h>],
+			[int foo = SQL_WCHAR]),
+		AC_MSG_RESULT(yes)
+			AC_DEFINE([HAVE_ODBC_WCHAR], [1], [Define to 1 if your ODBC library has wide (Unicode) types.]),
+		AC_MSG_RESULT(no)
+	)
+fi
+
 AC_CHECK_HEADER([h323.h], [PBX_H323=1], [PBX_H323=0])
 AC_SUBST(PBX_H323)
 

include/asterisk/autoconfig.h.in

@@ -572,6 +572,9 @@
 /* Define to the version of the newt library. */
 #undef HAVE_NEWT_VERSION
 
+/* Define to 1 if your ODBC library has wide (Unicode) types. */
+#undef HAVE_ODBC_WCHAR
+
 /* Define to 1 if you have the OGG library. */
 #undef HAVE_OGG
 
@@ -1246,6 +1249,9 @@
 /* Define to the version of this package. */
 #undef PACKAGE_VERSION
 
+/* Define to 1 if the C compiler supports function prototypes. */
+#undef PROTOTYPES
+
 /* Define to necessary symbol if this constant uses a non-standard name on
    your system. */
 #undef PTHREAD_CREATE_JOINABLE
@@ -1262,6 +1268,11 @@
 /* Define to the type of arg 5 for `select'. */
 #undef SELECT_TYPE_ARG5
 
+/* Define to 1 if the `setvbuf' function takes the buffering type as its
+   second argument and the buffer pointer as the third, as on System V before
+   release 3. */
+#undef SETVBUF_REVERSED
+
 /* The size of `int', as computed by sizeof. */
 #undef SIZEOF_INT
 
@@ -1282,30 +1293,20 @@
 /* Define to 1 if your <sys/time.h> declares `struct tm'. */
 #undef TM_IN_SYS_TIME
 
-/* Enable extensions on AIX 3, Interix.  */
+/* Define to 1 if on AIX 3.
+   System headers sometimes define this.
+   We just want to avoid a redefinition error message.  */
 #ifndef _ALL_SOURCE
 # undef _ALL_SOURCE
 #endif
+
+/* Number of bits in a file offset, on hosts where this is settable. */
+#undef _FILE_OFFSET_BITS
+
 /* Enable GNU extensions on systems that have them.  */
 #ifndef _GNU_SOURCE
 # undef _GNU_SOURCE
 #endif
-/* Enable threading extensions on Solaris.  */
-#ifndef _POSIX_PTHREAD_SEMANTICS
-# undef _POSIX_PTHREAD_SEMANTICS
-#endif
-/* Enable extensions on HP NonStop.  */
-#ifndef _TANDEM_SOURCE
-# undef _TANDEM_SOURCE
-#endif
-/* Enable general extensions on Solaris.  */
-#ifndef __EXTENSIONS__
-# undef __EXTENSIONS__
-#endif
-
-
-/* Number of bits in a file offset, on hosts where this is settable. */
-#undef _FILE_OFFSET_BITS
 
 /* Define to 1 to make fseeko visible on some hosts (e.g. glibc 2.2). */
 #undef _LARGEFILE_SOURCE
@@ -1323,6 +1324,20 @@
 /* Define to 1 if you need to in order for `stat' and other things to work. */
 #undef _POSIX_SOURCE
 
+/* Enable extensions on Solaris.  */
+#ifndef __EXTENSIONS__
+# undef __EXTENSIONS__
+#endif
+#ifndef _POSIX_PTHREAD_SEMANTICS
+# undef _POSIX_PTHREAD_SEMANTICS
+#endif
+#ifndef _TANDEM_SOURCE
+# undef _TANDEM_SOURCE
+#endif
+
+/* Define like PROTOTYPES; this can be used by system headers. */
+#undef __PROTOTYPES
+
 /* Define to empty if `const' does not conform to ANSI C. */
 #undef const
 

res/res_config_odbc.c

@@ -903,9 +903,11 @@ static int require_odbc(const char *database, const char *table, va_list ap)
 				case SQL_CHAR:
 				case SQL_VARCHAR:
 				case SQL_LONGVARCHAR:
+#ifdef HAVE_ODBC_WCHAR
 				case SQL_WCHAR:
 				case SQL_WVARCHAR:
 				case SQL_WLONGVARCHAR:
+#endif
 				case SQL_BINARY:
 				case SQL_VARBINARY:
 				case SQL_LONGVARBINARY: