1 files changed, 133 insertions, 0 deletions
diff --git a/lib/curl_ctype.c b/lib/curl_ctype.c
new file mode 100644
index 0000000..1a47fb5
--- /dev/null
+++ b/lib/curl_ctype.c
@@ -0,0 +1,133 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifndef CURL_DOES_CONVERSIONS
+
+#undef _U
+#define _U (1<<0) /* upper case */
+#undef _L
+#define _L (1<<1) /* lower case */
+#undef _N
+#define _N (1<<2) /* decimal numerical digit */
+#undef _S
+#define _S (1<<3) /* space */
+#undef _P
+#define _P (1<<4) /* punctuation */
+#undef _C
+#define _C (1<<5) /* control */
+#undef _X
+#define _X (1<<6) /* hexadecimal letter */
+#undef _B
+#define _B (1<<7) /* blank */
+
+static const unsigned char ascii[128] = {
+  _C,   _C,     _C,     _C,     _C,     _C,     _C,     _C,
+  _C,   _C|_S,  _C|_S,  _C|_S,  _C|_S,  _C|_S,  _C,     _C,
+  _C,   _C,     _C,     _C,     _C,     _C,     _C,     _C,
+  _C,   _C,     _C,     _C,     _C,     _C,     _C,     _C,
+  _S|_B, _P,    _P,     _P,     _P,     _P,     _P,     _P,
+  _P,   _P,     _P,     _P,     _P,     _P,     _P,     _P,
+  _N,   _N,     _N,     _N,     _N,     _N,     _N,     _N,
+  _N,   _N,     _P,     _P,     _P,     _P,     _P,     _P,
+  _P,   _U|_X,  _U|_X,  _U|_X,  _U|_X,  _U|_X,  _U|_X,  _U,
+  _U,   _U,     _U,     _U,     _U,     _U,     _U,     _U,
+  _U,   _U,     _U,     _U,     _U,     _U,     _U,     _U,
+  _U,   _U,     _U,     _P,     _P,     _P,     _P,     _P,
+  _P,   _L|_X,  _L|_X,  _L|_X,  _L|_X,  _L|_X,  _L|_X,  _L,
+  _L,   _L,     _L,     _L,     _L,     _L,     _L,     _L,
+  _L,   _L,     _L,     _L,     _L,     _L,     _L,     _L,
+  _L,   _L,     _L,     _P,     _P,     _P,     _P,     _C
+};
+
+int Curl_isspace(int c)
+{
+  if((c < 0) || (c >= 0x80))
+    return FALSE;
+  return (ascii[c] & _S);
+}
+
+int Curl_isdigit(int c)
+{
+  if((c < 0) || (c >= 0x80))
+    return FALSE;
+  return (ascii[c] & _N);
+}
+
+int Curl_isalnum(int c)
+{
+  if((c < 0) || (c >= 0x80))
+    return FALSE;
+  return (ascii[c] & (_N|_U|_L));
+}
+
+int Curl_isxdigit(int c)
+{
+  if((c < 0) || (c >= 0x80))
+    return FALSE;
+  return (ascii[c] & (_N|_X));
+}
+
+int Curl_isgraph(int c)
+{
+  if((c < 0) || (c >= 0x80) || (c == ' '))
+    return FALSE;
+  return (ascii[c] & (_N|_X|_U|_L|_P|_S));
+}
+
+int Curl_isprint(int c)
+{
+  if((c < 0) || (c >= 0x80))
+    return FALSE;
+  return (ascii[c] & (_N|_X|_U|_L|_P|_S));
+}
+
+int Curl_isalpha(int c)
+{
+  if((c < 0) || (c >= 0x80))
+    return FALSE;
+  return (ascii[c] & (_U|_L));
+}
+
+int Curl_isupper(int c)
+{
+  if((c < 0) || (c >= 0x80))
+    return FALSE;
+  return (ascii[c] & (_U));
+}
+
+int Curl_islower(int c)
+{
+  if((c < 0) || (c >= 0x80))
+    return FALSE;
+  return (ascii[c] & (_L));
+}
+
+int Curl_iscntrl(int c)
+{
+  if((c < 0) || (c >= 0x80))
+    return FALSE;
+  return (ascii[c] & (_C));
+}
+
+#endif /* !CURL_DOES_CONVERSIONS */