New upstream version 3.5.99.27

doc/libNX_X11/lcUniConv/8bit_tab_to_h.c

@@ -0,0 +1,543 @@
+
+/*
+ * Generates an 8-bit character set table from a .TXT table as found on
+ * ftp.unicode.org or from a table containing the 256 Unicode values as
+ * hexadecimal integers.
+ * Examples:
+ *
+ *   ./8bit_tab_to_h ISO-8859-1 iso8859_1 < tab8859_1
+ *   ./8bit_tab_to_h ISO-8859-2 iso8859_2 < tab8859_2
+ *   ./8bit_tab_to_h ISO-8859-3 iso8859_3 < tab8859_3
+ *   ./8bit_tab_to_h ISO-8859-4 iso8859_4 < tab8859_4
+ *   ./8bit_tab_to_h ISO-8859-5 iso8859_5 < tab8859_5
+ *   ./8bit_tab_to_h ISO-8859-6 iso8859_6 < tab8859_6
+ *   ./8bit_tab_to_h ISO-8859-7 iso8859_7 < tab8859_7
+ *   ./8bit_tab_to_h ISO-8859-8 iso8859_8 < tab8859_8
+ *   ./8bit_tab_to_h ISO-8859-9 iso8859_9 < tab8859_9
+ *   ./8bit_tab_to_h ISO-8859-10 iso8859_10 < tab8859_10
+ *   ./8bit_tab_to_h ISO-8859-14 iso8859_14 < tab8859_14
+ *   ./8bit_tab_to_h ISO-8859-15 iso8859_15 < tab8859_15
+ *   ./8bit_tab_to_h JISX0201.1976-0 jisx0201 < jis0201
+ *   ./8bit_tab_to_h TIS620-0 tis620 < tabtis620
+ *   ./8bit_tab_to_h KOI8-R koi8_r < tabkoi8_r
+ *   ./8bit_tab_to_h KOI8-U koi8_u < tabkoi8_u
+ *   ./8bit_tab_to_h ARMSCII-8 armscii_8 < tabarmscii_8
+ *   ./8bit_tab_to_h CP1133 cp1133 < tabibm_cp1133
+ *   ./8bit_tab_to_h MULELAO-1 mulelao < tabmulelao_1
+ *   ./8bit_tab_to_h VISCII1.1-1 viscii1 < tabviscii
+ *   ./8bit_tab_to_h TCVN-5712 tcvn < tabtcvn
+ *   ./8bit_tab_to_h GEORGIAN-ACADEMY georgian_ac < tabgeorgian_academy
+ *   ./8bit_tab_to_h GEORGIAN-PS georgian_ps < tabgeorgian_ps
+ *
+ *   ./8bit_tab_to_h ISO-8859-1 iso8859_1 < 8859-1.TXT
+ *   ./8bit_tab_to_h ISO-8859-2 iso8859_2 < 8859-2.TXT
+ *   ./8bit_tab_to_h ISO-8859-3 iso8859_3 < 8859-3.TXT
+ *   ./8bit_tab_to_h ISO-8859-4 iso8859_4 < 8859-4.TXT
+ *   ./8bit_tab_to_h ISO-8859-5 iso8859_5 < 8859-5.TXT
+ *   ./8bit_tab_to_h ISO-8859-6 iso8859_6 < 8859-6.TXT
+ *   ./8bit_tab_to_h ISO-8859-7 iso8859_7 < 8859-7.TXT
+ *   ./8bit_tab_to_h ISO-8859-8 iso8859_8 < 8859-8.TXT
+ *   ./8bit_tab_to_h ISO-8859-9 iso8859_9 < 8859-9.TXT
+ *   ./8bit_tab_to_h ISO-8859-10 iso8859_10 < 8859-10.TXT
+ *   ./8bit_tab_to_h ISO-8859-14 iso8859_14 < 8859-14.TXT
+ *   ./8bit_tab_to_h ISO-8859-15 iso8859_15 < 8859-15.TXT
+ *   ./8bit_tab_to_h JISX0201.1976-0 jisx0201 < JIS0201.TXT
+ *   ./8bit_tab_to_h KOI8-R koi8_r < KOI8-R.TXT
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdbool.h>
+#include <string.h>
+
+int main (int argc, char *argv[])
+{
+  const char* charsetname;
+  const char* c_charsetname;
+  const char* filename;
+  const char* directory;
+  int charset2uni[0x100];
+
+  if (argc != 3 && argc != 4 && argc != 5)
+    exit(1);
+  charsetname = argv[1];
+  c_charsetname = argv[2];
+  if (argc > 3) {
+    filename = argv[3];
+  } else {
+    char* s = malloc(strlen(c_charsetname)+strlen(".h")+1);
+    strcpy(s,c_charsetname); strcat(s,".h");
+    filename = s;
+  }
+  directory = (argc > 4 ? argv[4] : "");
+
+  fprintf(stderr, "Creating %s%s\n", directory, filename);
+
+  {
+    int i, c;
+    c = getc(stdin);
+    ungetc(c,stdin);
+    if (c == '#') {
+      /* Read a unicode.org style .TXT file. */
+      for (i = 0; i < 0x100; i++)
+        charset2uni[i] = 0xfffd;
+      for (;;) {
+        c = getc(stdin);
+        if (c == EOF)
+          break;
+        if (c == '\n' || c == ' ' || c == '\t')
+          continue;
+        if (c == '#') {
+          do { c = getc(stdin); } while (!(c == EOF || c == '\n'));
+          continue;
+        }
+        ungetc(c,stdin);
+        if (scanf("0x%x", &i) != 1 || !(i >= 0 && i < 0x100))
+          exit(1);
+        do { c = getc(stdin); } while (c == ' ' || c == '\t');
+        if (c != EOF)
+          ungetc(c,stdin);
+        if (c == '\n' || c == '#')
+          continue;
+        if (scanf("0x%x", &charset2uni[i]) != 1)
+          exit(1);
+      }
+    } else {
+      /* Read a table of hexadecimal Unicode values. */
+      for (i = 0; i < 0x100; i++) {
+        if (scanf("%x", &charset2uni[i]) != 1)
+          exit(1);
+        if (charset2uni[i] < 0 || charset2uni[i] == 0xffff)
+          charset2uni[i] = 0xfffd;
+      }
+      if (scanf("%x", &i) != EOF)
+        exit(1);
+    }
+  }
+
+  /* Write the output file. */
+  {
+    FILE* f;
+
+    {
+      char* fname = malloc(strlen(directory)+strlen(filename)+1);
+      if (fname == NULL)
+      {
+        printf("malloc failed\n");
+        exit(1);
+      }
+      strcpy(fname,directory); strcat(fname,filename);
+      f = fopen(fname,"w");
+      if (f == NULL)
+      {
+        free(fname);
+        exit(1);
+      }
+    }
+
+    fprintf(f, "\n");
+    fprintf(f, "/*\n");
+    fprintf(f, " * %s\n", charsetname);
+    fprintf(f, " */\n");
+    fprintf(f, "\n");
+
+    {
+      int i, i1, i2, i3;
+      int line[16];
+      int tableno;
+      struct { int minline; int maxline; } tables[16];
+      bool some_invalid;
+      bool final_ret_reached;
+
+      for (i1 = 0; i1 < 16; i1++) {
+        bool all_invalid = true;
+        bool all_identity = true;
+        for (i2 = 0; i2 < 16; i2++) {
+          i = 16*i1+i2;
+          if (charset2uni[i] != 0xfffd)
+            all_invalid = false;
+          if (charset2uni[i] != i)
+            all_identity = false;
+        }
+        if (all_invalid)
+          line[i1] = -2;
+        else if (all_identity)
+          line[i1] = -1;
+        else
+          line[i1] = 0;
+      }
+      tableno = 0;
+      for (i1 = 0; i1 < 16; i1++) {
+        if (line[i1] >= 0) {
+          if (i1 > 0 && tableno > 0 && line[i1-1] == tableno-1) {
+            line[i1] = tableno-1;
+            tables[tableno-1].maxline = i1;
+          } else {
+            tableno++;
+            line[i1] = tableno-1;
+            tables[tableno-1].minline = tables[tableno-1].maxline = i1;
+          }
+        }
+      }
+      some_invalid = false;
+      for (i = 0; i < 0x100; i++)
+        if (charset2uni[i] == 0xfffd)
+          some_invalid = true;
+      if (tableno > 0) {
+        int t;
+        for (t = 0; t < tableno; t++) {
+          fprintf(f, "static const unsigned short %s_2uni", c_charsetname);
+          if (tableno > 1)
+            fprintf(f, "_%d", t+1);
+          fprintf(f, "[%d] = {\n", 16*(tables[t].maxline-tables[t].minline+1));
+          for (i1 = tables[t].minline; i1 <= tables[t].maxline; i1++) {
+            fprintf(f, "  /* 0x%02x */\n", 16*i1);
+            for (i2 = 0; i2 < 2; i2++) {
+              fprintf(f, " ");
+              for (i3 = 0; i3 < 8; i3++) {
+                i = 16*i1+8*i2+i3;
+                fprintf(f, " 0x%04x,", charset2uni[i]);
+              }
+              fprintf(f, "\n");
+            }
+          }
+          fprintf(f, "};\n");
+        }
+        fprintf(f, "\n");
+      }
+      final_ret_reached = false;
+      fprintf(f, "static int\n%s_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n)\n", c_charsetname);
+      fprintf(f, "{\n");
+      fprintf(f, "  unsigned char c = *s;\n");
+      if (some_invalid) {
+        for (i1 = 0; i1 < 16;) {
+          int t = line[i1];
+          const char* indent;
+          for (i2 = i1; i2 < 16 && line[i2] == t; i2++);
+          indent = (i1 == 0 && i2 == 16 ? "  " : "    ");
+          if (i1 == 0) {
+            if (i2 == 16) {
+            } else {
+              fprintf(f, "  if (c < 0x%02x) {\n", 16*i2);
+            }
+          } else {
+            if (i2 == 16) {
+              fprintf(f, "  else {\n");
+            } else {
+              fprintf(f, "  else if (c < 0x%02x) {\n", 16*i2);
+            }
+          }
+          if (t == -2) {
+            final_ret_reached = true;
+          } else if (t == -1) {
+            fprintf(f, "%s*pwc = (ucs4_t) c;\n", indent);
+            fprintf(f, "%sreturn 1;\n", indent);
+          } else {
+            fprintf(f, "%s", indent);
+            some_invalid = false;
+            for (i = 16*i1; i < 16*i2; i++)
+              if (charset2uni[i] == 0xfffd)
+                some_invalid = true;
+            if (some_invalid)
+              fprintf(f, "unsigned short wc = ");
+            else
+              fprintf(f, "*pwc = (ucs4_t) ");
+            fprintf(f, "%s_2uni", c_charsetname);
+            if (tableno > 1)
+              fprintf(f, "_%d", t+1);
+            fprintf(f, "[c");
+            if (tables[t].minline > 0)
+              fprintf(f, "-0x%02x", 16*tables[t].minline);
+            fprintf(f, "];\n");
+            if (some_invalid) {
+              fprintf(f, "%sif (wc != 0xfffd) {\n", indent);
+              fprintf(f, "%s  *pwc = (ucs4_t) wc;\n", indent);
+              fprintf(f, "%s  return 1;\n", indent);
+              fprintf(f, "%s}\n", indent);
+              final_ret_reached = true;
+            } else {
+              fprintf(f, "%sreturn 1;\n", indent);
+            }
+          }
+          if (!(i1 == 0 && i2 == 16))
+            fprintf(f, "  }\n");
+          i1 = i2;
+        }
+        if (final_ret_reached)
+          fprintf(f, "  return RET_ILSEQ;\n");
+      } else {
+        for (i1 = 0; i1 < 16;) {
+          int t = line[i1];
+          for (i2 = i1; i2 < 16 && line[i2] == t; i2++);
+          if (i1 == 0) {
+            if (i2 == 16) {
+              fprintf(f, "  ");
+            } else {
+              fprintf(f, "  if (c < 0x%02x)\n    ", 16*i2);
+            }
+          } else {
+            if (i2 == 16) {
+              fprintf(f, "  else\n    ");
+            } else {
+              fprintf(f, "  else if (c < 0x%02x)\n    ", 16*i2);
+            }
+          }
+          if (t == -1)
+            fprintf(f, "*pwc = (ucs4_t) c;\n");
+          else {
+            fprintf(f, "*pwc = (ucs4_t) %s_2uni", c_charsetname);
+            if (tableno > 1)
+              fprintf(f, "_%d", t+1);
+            fprintf(f, "[c");
+            if (tables[t].minline > 0)
+              fprintf(f, "-0x%02x", 16*tables[t].minline);
+            fprintf(f, "];\n");
+          }
+          i1 = i2;
+        }
+        fprintf(f, "  return 1;\n");
+      }
+      fprintf(f, "}\n");
+
+    }
+
+    fprintf(f, "\n");
+
+    {
+      int uni2charset[0x10000];
+      bool pages[0x100];
+      int line[0x2000];
+      int tableno;
+      struct { int minline; int maxline; int usecount; const char* suffix; } tables[0x2000];
+      bool need_c;
+      bool fix_0000;
+      int i, j, p, j1, j2, t;
+
+      for (j = 0; j < 0x10000; j++)
+        uni2charset[j] = 0;
+      for (p = 0; p < 0x100; p++)
+        pages[p] = false;
+      for (i = 0; i < 0x100; i++) {
+        j = charset2uni[i];
+        if (j != 0xfffd) {
+          uni2charset[j] = i;
+          pages[j>>8] = true;
+        }
+      }
+      for (j1 = 0; j1 < 0x2000; j1++) {
+        bool all_invalid = true;
+        bool all_identity = true;
+        for (j2 = 0; j2 < 8; j2++) {
+          j = 8*j1+j2;
+          if (uni2charset[j] != 0)
+            all_invalid = false;
+          if (uni2charset[j] != j)
+            all_identity = false;
+        }
+        if (all_invalid)
+          line[j1] = -2;
+        else if (all_identity)
+          line[j1] = -1;
+        else
+          line[j1] = 0;
+      }
+      tableno = 0;
+      for (j1 = 0; j1 < 0x2000; j1++) {
+        if (line[j1] >= 0) {
+          if (tableno > 0
+              && ((j1 > 0 && line[j1-1] == tableno-1)
+                  || ((tables[tableno-1].maxline >> 5) == (j1 >> 5)
+                      && j1 - tables[tableno-1].maxline <= 8))) {
+            line[j1] = tableno-1;
+            tables[tableno-1].maxline = j1;
+          } else {
+            tableno++;
+            line[j1] = tableno-1;
+            tables[tableno-1].minline = tables[tableno-1].maxline = j1;
+          }
+        }
+      }
+      for (t = 0; t < tableno; t++) {
+        tables[t].usecount = 0;
+        j1 = 8*tables[t].minline;
+        j2 = 8*(tables[t].maxline+1);
+        for (j = j1; j < j2; j++)
+          if (uni2charset[j] != 0)
+            tables[t].usecount++;
+      }
+      for (t = 0, p = -1, i = 0; t < tableno; t++) {
+        if (tables[t].usecount > 1) {
+          char* s;
+          if (p == tables[t].minline >> 5) {
+            s = malloc(5+1);
+            sprintf(s, "%02x_%d", p, ++i);
+          } else {
+            p = tables[t].minline >> 5;
+            s = malloc(2+1);
+            sprintf(s, "%02x", p);
+          }
+          tables[t].suffix = s;
+        } else
+          tables[t].suffix = NULL;
+      }
+      {
+        p = -1;
+        for (t = 0; t < tableno; t++)
+          if (tables[t].usecount > 1) {
+            p = 0;
+            fprintf(f, "static const unsigned char %s_page%s[%d] = {\n", c_charsetname, tables[t].suffix, 8*(tables[t].maxline-tables[t].minline+1));
+            for (j1 = tables[t].minline; j1 <= tables[t].maxline; j1++) {
+              if ((j1 % 0x20) == 0 && j1 > tables[t].minline)
+                fprintf(f, "  /* 0x%04x */\n", 8*j1);
+              fprintf(f, " ");
+              for (j2 = 0; j2 < 8; j2++) {
+                j = 8*j1+j2;
+                fprintf(f, " 0x%02x,", uni2charset[j]);
+              }
+              fprintf(f, " /* 0x%02x-0x%02x */\n", 8*(j1 % 0x20), 8*(j1 % 0x20)+7);
+            }
+            fprintf(f, "};\n");
+          }
+        if (p >= 0)
+          fprintf(f, "\n");
+      }
+      need_c = false;
+      for (j1 = 0; j1 < 0x2000;) {
+        t = line[j1];
+        for (j2 = j1; j2 < 0x2000 && line[j2] == t; j2++);
+        if (t >= 0)
+          j2 = tables[t].maxline+1;
+        if (!(t == -2 || (t == -1 && j1 == 0)))
+          need_c = true;
+        j1 = j2;
+      }
+      fix_0000 = false;
+      fprintf(f, "static int\n%s_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)\n", c_charsetname);
+      fprintf(f, "{\n");
+      if (need_c)
+        fprintf(f, "  unsigned char c = 0;\n");
+      for (j1 = 0; j1 < 0x2000;) {
+        t = line[j1];
+        for (j2 = j1; j2 < 0x2000 && line[j2] == t; j2++);
+        if (t >= 0) {
+          if (j1 != tables[t].minline) abort();
+          if (j2 > tables[t].maxline+1) abort();
+          j2 = tables[t].maxline+1;
+        }
+        if (t == -2) {
+        } else {
+          if (j1 == 0)
+            fprintf(f, "  ");
+          else
+            fprintf(f, "  else ");
+          if (t >= 0 && tables[t].usecount == 0) abort();
+          if (t >= 0 && tables[t].usecount == 1) {
+            if (j2 != j1+1) abort();
+            for (j = 8*j1; j < 8*j2; j++)
+              if (uni2charset[j] != 0) {
+                fprintf(f, "if (wc == 0x%04x)\n    c = 0x%02x;\n", j, uni2charset[j]);
+                break;
+              }
+          } else {
+            if (j1 == 0) {
+              fprintf(f, "if (wc < 0x%04x)", 8*j2);
+            } else {
+              fprintf(f, "if (wc >= 0x%04x && wc < 0x%04x)", 8*j1, 8*j2);
+            }
+            if (t == -1) {
+              if (j1 == 0)
+                /* If wc == 0, the function must return 1, not -1. */
+                fprintf(f, " {\n    *r = wc;\n    return 1;\n  }\n");
+              else
+                fprintf(f, "\n    c = wc;\n");
+            } else {
+              fprintf(f, "\n    c = %s_page%s[wc", c_charsetname, tables[t].suffix);
+              if (tables[t].minline > 0)
+                fprintf(f, "-0x%04x", 8*j1);
+              fprintf(f, "];\n");
+              if (j1 == 0 && uni2charset[0] == 0)
+                /* If wc == 0, the function must return 1, not -1. */
+                fix_0000 = true;
+            }
+          }
+        }
+        j1 = j2;
+      }
+      if (need_c) {
+        if (fix_0000)
+          fprintf(f, "  if (c != 0 || wc == 0) {\n");
+        else
+          fprintf(f, "  if (c != 0) {\n");
+        fprintf(f, "    *r = c;\n");
+        fprintf(f, "    return 1;\n");
+        fprintf(f, "  }\n");
+      }
+      fprintf(f, "  return RET_ILSEQ;\n");
+      fprintf(f, "}\n");
+
+    }
+
+    if (ferror(f) || fclose(f))
+      exit(1);
+  }
+
+#if 0
+
+    int i1, i2, i3, i1_min, i1_max, j1, j2;
+
+  i1_min = 16;
+  i1_max = -1;
+  for (i1 = 0; i1 < 16; i1++)
+    for (i2 = 0; i2 < 16; i2++)
+      if (charset2uni[16*i1+i2] != 0xfffd) {
+        if (i1_min > i1) i1_min = i1;
+        if (i1_max < i1) i1_max = i1;
+      }
+  printf("static const unsigned short %s_2uni[%d] = {\n",
+         name, 16*(i1_max-i1_min+1));
+  for (i1 = i1_min; i1 <= i1_max; i1++) {
+    printf("  /""* 0x%02x *""/\n", 16*i1);
+    for (i2 = 0; i2 < 2; i2++) {
+      printf("  ");
+      for (i3 = 0; i3 < 8; i3++) {
+        if (i3 > 0) printf(" ");
+        printf("0x%04x,", charset2uni[16*i1+8*i2+i3]);
+      }
+      printf("\n");
+    }
+  }
+  printf("};\n");
+  printf("\n");
+
+  for (p = 0; p < 0x100; p++)
+    pages[p] = 0;
+  for (i = 0; i < 0x100; i++)
+    if (charset2uni[i] != 0xfffd)
+      pages[charset2uni[i]>>8] = 1;
+  for (p = 0; p < 0x100; p++)
+    if (pages[p]) {
+      int j1_min = 32;
+      int j1_max = -1;
+      for (j1 = 0; j1 < 32; j1++)
+        for (j2 = 0; j2 < 8; j2++)
+          if (uni2charset[256*p+8*j1+j2] != 0) {
+            if (j1_min > j1) j1_min = j1;
+            if (j1_max < j1) j1_max = j1;
+          }
+      printf("static const unsigned char %s_page%02x[%d] = {\n",
+             name, p, 8*(j1_max-j1_min+1));
+      for (j1 = j1_min; j1 <= j1_max; j1++) {
+        printf("  ");
+        for (j2 = 0; j2 < 8; j2++)
+          printf("0x%02x, ", uni2charset[256*p+8*j1+j2]);
+        printf("/""* 0x%02x-0x%02x *""/\n", 8*j1, 8*j1+7);
+      }
+      printf("};\n");
+    }
+  printf("\n");
+
+}
+#endif
+
+  exit(0);
+}

doc/libNX_X11/lcUniConv/README

@@ -0,0 +1,11 @@
+
+The files in this directory are taken from the libiconv-1.1 package.
+
+The *.h files were generated from tables (mostly from ftp.unicode.org) using
+the programs '8bit_tab_to_h.c' and 'cjk_tab_to_h.c'. On some of them, further
+optimizations were applied by hand.
+
+If you find a bug in these files, instead of modifying them in XFree86
+and let it diverge from libiconv, please notify the libiconv maintainer
+(currently <bruno@clisp.org>) so he can fix both in synch.
+