util:charset: Return EILSEQ in smb_iconv() if newer libc is detected

[nivanova/samba-autobuild/.git] / lib / util / charset / wscript_configure

diff --git a/lib/util/charset/wscript_configure b/lib/util/charset/wscript_configure
index 804c2663f640cc361c22a2446615eab1ae2c8c1f..d5ac5d0100f74d457bf2593e3141c80788c4a23d 100644 (file)
--- a/lib/util/charset/wscript_configure
+++ b/lib/util/charset/wscript_configure
@@ -16,3 +16,23 @@ if (conf.CHECK_FUNCS_IN('iconv_open', 'iconv', checklibc=False, headers='iconv.h
     conf.CHECK_FUNCS('iconv_open', headers='iconv.h')):
     
     conf.DEFINE('HAVE_NATIVE_ICONV', 1)
+
+conf.CHECK_CODE('''
+                uint8_t inbuf[2] = { 0x30, 0xdf };
+                uint8_t outbuf[4] = { 0 };
+                char *ptr_in = (char *)inbuf;
+                char *ptr_out = (char *)outbuf;
+                size_t size_in = sizeof(inbuf);
+                size_t size_out = sizeof(outbuf);
+                size_t ret;
+                iconv_t cd;
+                cd = iconv_open("UTF-8", "UTF-16LE");
+                if (cd == 0 || cd == (iconv_t)-1) return -1;
+                ret = iconv(cd, &ptr_in, &size_in, &ptr_out, &size_out);
+                if (ret != (size_t)-1 || errno != EILSEQ) return -1;
+                ''',
+                define='HAVE_ICONV_ERRNO_ILLEGAL_MULTIBYTE',
+                execute=True,
+                msg='Checking errno of iconv for illegal multibyte sequence',
+                lib='iconv',
+                headers='errno.h iconv.h')