Making the project compile with mingw32, on the same Makefile. No more separate Makefiles insanity.

1 files changed, 351 insertions, 0 deletions

diff --git a/win32/iconv/utf7.h b/win32/iconv/utf7.h
new file mode 100644
index 0000000..2e17b4c
--- /dev/null
+++ b/win32/iconv/utf7.h
@@ -0,0 +1,351 @@
+/*
+ * Copyright (C) 1999-2001 Free Software Foundation, Inc.
+ * This file is part of the GNU LIBICONV Library.
+ *
+ * The GNU LIBICONV Library is free software; you can redistribute it
+ * and/or modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * The GNU LIBICONV Library is distributed in the hope that it will be
+ * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with the GNU LIBICONV Library; see the file COPYING.LIB.
+ * If not, write to the Free Software Foundation, Inc., 59 Temple Place -
+ * Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/*
+ * UTF-7
+ */
+
+/* Specification: RFC 2152 (and old RFC 1641, RFC 1642) */
+/* The original Base64 encoding is defined in RFC 2045. */
+
+/* Set of direct characters:
+ *   A-Z a-z 0-9 ' ( ) , - . / : ? space tab lf cr
+ */
+static const unsigned char direct_tab[128/8] = {
+  0x00, 0x26, 0x00, 0x00, 0x81, 0xf3, 0xff, 0x87,
+  0xfe, 0xff, 0xff, 0x07, 0xfe, 0xff, 0xff, 0x07,
+};
+#define isdirect(ch) ((ch) < 128 && ((direct_tab[(ch)>>3] >> (ch & 7)) & 1))
+
+/* Set of direct and optional direct characters:
+ *   A-Z a-z 0-9 ' ( ) , - . / : ? space tab lf cr
+ *   ! " # $ % & * ; < = > @ [ ] ^ _ ` { | }
+ */
+static const unsigned char xdirect_tab[128/8] = {
+  0x00, 0x26, 0x00, 0x00, 0xff, 0xf7, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xef, 0xff, 0xff, 0xff, 0x3f,
+};
+#define isxdirect(ch) ((ch) < 128 && ((xdirect_tab[(ch)>>3] >> (ch & 7)) & 1))
+
+/* Set of base64 characters, extended:
+ *   A-Z a-z 0-9 + / -
+ */
+static const unsigned char xbase64_tab[128/8] = {
+  0x00, 0x00, 0x00, 0x00, 0x00, 0xa8, 0xff, 0x03,
+  0xfe, 0xff, 0xff, 0x07, 0xfe, 0xff, 0xff, 0x07,
+};
+#define isxbase64(ch) ((ch) < 128 && ((xbase64_tab[(ch)>>3] >> (ch & 7)) & 1))
+
+/*
+ * The state is structured as follows:
+ * bit 1..0: shift
+ * bit 7..2: data
+ * Precise meaning:
+ *   shift      data
+ *     0         0           not inside base64 encoding
+ *     1         0           inside base64, no pending bits
+ *     2      XXXX00         inside base64, 4 bits remain from 2nd byte
+ *     3      XX0000         inside base64, 2 bits remain from 3rd byte
+ */
+
+static int
+utf7_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n)
+{
+  state_t state = conv->istate;
+  int count = 0; /* number of input bytes already read */
+  if (state & 3)
+    goto active;
+  else
+    goto inactive;
+
+inactive:
+  {
+    /* Here (state & 3) == 0 */
+    if (n < count+1)
+      goto none;
+    {
+      unsigned char c = *s;
+      if (isxdirect(c)) {
+        *pwc = (ucs4_t) c;
+        conv->istate = state;
+        return count+1;
+      }
+      if (c == '+') {
+        if (n < count+2)
+          goto none;
+        if (s[1] == '-') {
+          *pwc = (ucs4_t) '+';
+          conv->istate = state;
+          return count+2;
+        }
+        s++; count++;
+        state = 1;
+        goto active;
+      }
+      return RET_ILSEQ;
+    }
+  }
+
+active:
+  {
+    /* base64 encoding active */
+    unsigned int wc = 0;
+    state_t base64state = state;
+    unsigned int kmax = 2; /* number of payload bytes to read */
+    unsigned int k = 0; /* number of payload bytes already read */
+    unsigned int base64count = 0; /* number of base64 bytes already read */
+    for (;;) {
+      unsigned char c = *s;
+      unsigned int i;
+      if (c >= 'A' && c <= 'Z')
+        i = c-'A';
+      else if (c >= 'a' && c <= 'z')
+        i = c-'a'+26;
+      else if (c >= '0' && c <= '9')
+        i = c-'0'+52;
+      else if (c == '+')
+        i = 62;
+      else if (c == '/')
+        i = 63;
+      else {
+        /* c terminates base64 encoding */
+        if (base64state & -4)
+          return RET_ILSEQ; /* data must be 0, otherwise illegal */
+        if (base64count)
+          return RET_ILSEQ; /* partial UTF-16 characters are invalid */
+        if (c == '-') {
+          s++; count++;
+        }
+        state = 0;
+        goto inactive;
+      }
+      s++; base64count++;
+      /* read 6 bits: 0 <= i < 64 */
+      switch (base64state & 3) {
+        case 1: /* inside base64, no pending bits */
+          base64state = (i << 2) | 0; break;
+        case 0: /* inside base64, 6 bits remain from 1st byte */
+          wc = (wc << 8) | (base64state & -4) | (i >> 4); k++;
+          base64state = ((i & 15) << 4) | 2; break;
+        case 2: /* inside base64, 4 bits remain from 2nd byte */
+          wc = (wc << 8) | (base64state & -4) | (i >> 2); k++;
+          base64state = ((i & 3) << 6) | 3; break;
+        case 3: /* inside base64, 2 bits remain from 3rd byte */
+          wc = (wc << 8) | (base64state & -4) | i; k++;
+          base64state = 1; break;
+      }
+      if (k == kmax) {
+        /* UTF-16: When we see a High Surrogate, we must also decode
+           the following Low Surrogate. */
+        if (kmax == 2 && (wc >= 0xd800 && wc < 0xdc00))
+          kmax = 4;
+        else
+          break;
+      }
+      if (n < count+base64count+1)
+        goto none;
+    }
+    /* Here k = kmax > 0, hence base64count > 0. */
+    if ((base64state & 3) == 0) abort();
+    if (kmax == 4) {
+      ucs4_t wc1 = wc >> 16;
+      ucs4_t wc2 = wc & 0xffff;
+      if (!(wc1 >= 0xd800 && wc1 < 0xdc00)) abort();
+      if (!(wc2 >= 0xdc00 && wc2 < 0xe000)) return RET_ILSEQ;
+      *pwc = 0x10000 + ((wc1 - 0xd800) << 10) + (wc2 - 0xdc00);
+    } else {
+      *pwc = wc;
+    }
+    conv->istate = base64state;
+    return count+base64count;
+  }
+
+none:
+  conv->istate = state;
+  return RET_TOOFEW(count);
+}
+
+/*
+ * The state is structured as follows:
+ * bit 1..0: shift
+ * bit 7..2: data
+ * Precise meaning:
+ *   shift      data
+ *     0         0           not inside base64 encoding
+ *     1         0           inside base64, no pending bits
+ *     2       XX00          inside base64, 2 bits known for 2nd byte
+ *     3       XXXX          inside base64, 4 bits known for 3rd byte
+ */
+
+/* Define this to 1 if you want the so-called "optional direct" characters
+      ! " # $ % & * ; < = > @ [ ] ^ _ ` { | }
+   to be encoded. Define to 0 if you want them to be passed straight through,
+   like the so-called "direct" characters.
+   We set this to 1 because it's safer.
+ */
+#define UTF7_ENCODE_OPTIONAL_CHARS 1
+
+static int
+utf7_wctomb (conv_t conv, unsigned char *r, ucs4_t iwc, int n)
+{
+  state_t state = conv->ostate;
+  unsigned int wc = iwc;
+  int count = 0;
+  if (state & 3)
+    goto active;
+
+/*inactive:*/
+  {
+    if (UTF7_ENCODE_OPTIONAL_CHARS ? isdirect(wc) : isxdirect(wc)) {
+      r[0] = (unsigned char) wc;
+      /*conv->ostate = state;*/
+      return 1;
+    } else {
+      *r++ = '+';
+      if (wc == '+') {
+        if (n < 2)
+          return RET_TOOSMALL;
+        *r = '-';
+        /*conv->ostate = state;*/
+        return 2;
+      }
+      count = 1;
+      state = 1;
+      goto active;
+    }
+  }
+
+active:
+  {
+    /* base64 encoding active */
+    if (UTF7_ENCODE_OPTIONAL_CHARS ? isdirect(wc) : isxdirect(wc)) {
+      /* deactivate base64 encoding */
+      count += ((state & 3) >= 2 ? 1 : 0) + (isxbase64(wc) ? 1 : 0) + 1;
+      if (n < count)
+        return RET_TOOSMALL;
+      if ((state & 3) >= 2) {
+        unsigned int i = state & -4;
+        unsigned char c;
+        if (i < 26)
+          c = i+'A';
+        else if (i < 52)
+          c = i-26+'a';
+        else if (i < 62)
+          c = i-52+'0';
+        else if (i == 62)
+          c = '+';
+        else if (i == 63)
+          c = '/';
+        else
+          abort();
+        *r++ = c;
+      }
+      if (isxbase64(wc))
+        *r++ = '-';
+      state = 0;
+      *r++ = (unsigned char) wc;
+      conv->ostate = state;
+      return count;
+    } else {
+      unsigned int k; /* number of payload bytes to write */
+      if (wc < 0x10000) {
+        k = 2;
+        count += ((state & 3) >= 2 ? 3 : 2);
+      } else if (wc < 0x110000) {
+        unsigned int wc1 = 0xd800 + ((wc - 0x10000) >> 10);
+        unsigned int wc2 = 0xdc00 + ((wc - 0x10000) & 0x3ff);
+        wc = (wc1 << 16) | wc2;
+        k = 4;
+        count += ((state & 3) >= 3 ? 6 : 5);
+      } else
+        return RET_ILUNI;
+      if (n < count)
+        return RET_TOOSMALL;
+      for (;;) {
+        unsigned int i;
+        unsigned char c;
+        switch (state & 3) {
+          case 0: /* inside base64, 6 bits known for 4th byte */
+            c = (state & -4) >> 2; state = 1; break;
+          case 1: /* inside base64, no pending bits */
+            i = (wc >> (8 * --k)) & 0xff;
+            c = i >> 2; state = ((i & 3) << 4) | 2; break;
+          case 2: /* inside base64, 2 bits known for 2nd byte */
+            i = (wc >> (8 * --k)) & 0xff;
+            c = (state & -4) | (i >> 4); state = ((i & 15) << 2) | 3; break;
+          case 3: /* inside base64, 4 bits known for 3rd byte */
+            i = (wc >> (8 * --k)) & 0xff;
+            c = (state & -4) | (i >> 6); state = ((i & 63) << 2) | 0; break;
+          default: abort(); /* stupid gcc */
+        }
+        if (c < 26)
+          c = c+'A';
+        else if (c < 52)
+          c = c-26+'a';
+        else if (c < 62)
+          c = c-52+'0';
+        else if (c == 62)
+          c = '+';
+        else if (c == 63)
+          c = '/';
+        else
+          abort();
+        *r++ = c;
+        if ((state & 3) && (k == 0))
+          break;
+      }
+      conv->ostate = state;
+      return count;
+    }
+  }
+}
+
+static int
+utf7_reset (conv_t conv, unsigned char *r, int n)
+{
+  state_t state = conv->ostate;
+  if (state & 3) {
+    /* deactivate base64 encoding */
+    unsigned int count = ((state & 3) >= 2 ? 1 : 0) + 1;
+    if (n < count)
+      return RET_TOOSMALL;
+    if ((state & 3) >= 2) {
+      unsigned int i = state & -4;
+      unsigned char c;
+      if (i < 26)
+        c = i+'A';
+      else if (i < 52)
+        c = i-26+'a';
+      else if (i < 62)
+        c = i-52+'0';
+      else if (i == 62)
+        c = '+';
+      else if (i == 63)
+        c = '/';
+      else
+        abort();
+      *r++ = c;
+    }
+    *r++ = '-';
+    /* conv->ostate = 0; will be done by the caller */
+    return count;
+  } else
+    return 0;
+}