crypto/external/bsd/heimdal/dist/include/bits.c

   1 /*      $NetBSD: bits.c,v 1.1.1.3 2014/04/24 12:45:27 pettai Exp $      */
   2
   3 /*
   4  * Copyright (c) 1997-2002 Kungliga Tekniska Högskolan
   5  * (Royal Institute of Technology, Stockholm, Sweden).
   6  * All rights reserved.
   7  *
   8  * Portions Copyright (c) 2010 Apple Inc. All rights reserved.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  *
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions and the following disclaimer.
  16  *
  17  * 2. Redistributions in binary form must reproduce the above copyright
  18  *    notice, this list of conditions and the following disclaimer in the
  19  *    documentation and/or other materials provided with the distribution.
  20  *
  21  * 3. Neither the name of the Institute nor the names of its contributors
  22  *    may be used to endorse or promote products derived from this software
  23  *    without specific prior written permission.
  24  *
  25  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  27  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  28  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  29  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  30  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  31  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  32  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  33  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  34  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  35  * SUCH DAMAGE.
  36  */
  37
  38 #ifdef HAVE_CONFIG_H
  39 #include <config.h>
  40 __RCSID("NetBSD");
  41 #endif
  42 #include <stdio.h>
  43 #include <string.h>
  44 #include <stdlib.h>
  45 #include <ctype.h>
  46 #ifdef WIN32
  47 #include <winsock2.h>
  48 #include <ws2tcpip.h>
  49 #endif
  50
  51 #define BITSIZE(TYPE)                                           \
  52 {                                                               \
  53     int b = 0; TYPE x = 1, zero = 0; const char *pre = "u";     \
  54     char tmp[128], tmp2[128];                                   \
  55     while(x){ x <<= 1; b++; if(x < zero) pre=""; }              \
  56     if(b >= len){                                               \
  57         size_t tabs;                                            \
  58         sprintf(tmp, "%sint%d_t" , pre, len);                   \
  59         sprintf(tmp2, "typedef %s %s;", #TYPE, tmp);            \
  60         tabs = 5 - strlen(tmp2) / 8;                            \
  61         fprintf(f, "%s", tmp2);                                 \
  62         while(tabs-- > 0) fprintf(f, "\t");                     \
  63         fprintf(f, "/* %2d bits */\n", b);                      \
  64         return;                                                 \
  65     }                                                           \
  66 }
  67
  68 #ifndef HAVE___ATTRIBUTE__
  69 #define __attribute__(x)
  70 #endif
  71
  72 static void
  73 try_signed(FILE *f, int len)  __attribute__ ((unused));
  74
  75 static void
  76 try_unsigned(FILE *f, int len) __attribute__ ((unused));
  77
  78 static int
  79 print_bt(FILE *f, int flag) __attribute__ ((unused));
  80
  81 static void
  82 try_signed(FILE *f, int len)
  83 {
  84     BITSIZE(signed char);
  85     BITSIZE(short);
  86     BITSIZE(int);
  87     BITSIZE(long);
  88 #ifdef HAVE_LONG_LONG
  89     BITSIZE(long long);
  90 #endif
  91     fprintf(f, "/* There is no %d bit type */\n", len);
  92 }
  93
  94 static void
  95 try_unsigned(FILE *f, int len)
  96 {
  97     BITSIZE(unsigned char);
  98     BITSIZE(unsigned short);
  99     BITSIZE(unsigned int);
 100     BITSIZE(unsigned long);
 101 #ifdef HAVE_LONG_LONG
 102     BITSIZE(unsigned long long);
 103 #endif
 104     fprintf(f, "/* There is no %d bit type */\n", len);
 105 }
 106
 107 static int
 108 print_bt(FILE *f, int flag)
 109 {
 110     if(flag == 0){
 111         fprintf(f, "/* For compatibility with various type definitions */\n");
 112         fprintf(f, "#ifndef __BIT_TYPES_DEFINED__\n");
 113         fprintf(f, "#define __BIT_TYPES_DEFINED__\n");
 114         fprintf(f, "\n");
 115     }
 116     return 1;
 117 }
 118
 119 int main(int argc, char **argv)
 120 {
 121     FILE *f;
 122     int flag;
 123     const char *fn, *hb;
 124
 125     if (argc > 1 && strcmp(argv[1], "--version") == 0) {
 126         printf("some version");
 127         return 0;
 128     }
 129
 130     if(argc < 2){
 131         fn = "bits.h";
 132         hb = "__BITS_H__";
 133         f = stdout;
 134     } else {
 135         char *p;
 136         fn = argv[1];
 137         p = malloc(strlen(fn) + 5);
 138         sprintf(p, "__%s__", fn);
 139         hb = p;
 140         for(; *p; p++){
 141             if(!isalnum((unsigned char)*p))
 142                 *p = '_';
 143         }
 144         f = fopen(argv[1], "w");
 145     }
 146     fprintf(f, "/* %s -- this file was generated for %s by\n", fn, HOST);
 147     fprintf(f, "   %*s    %s */\n\n", (int)strlen(fn), "",
 148             "Id");
 149     fprintf(f, "#ifndef %s\n", hb);
 150     fprintf(f, "#define %s\n", hb);
 151     fprintf(f, "\n");
 152 #ifdef HAVE_INTTYPES_H
 153     fprintf(f, "#include <inttypes.h>\n");
 154 #endif
 155 #ifdef HAVE_SYS_TYPES_H
 156     fprintf(f, "#include <sys/types.h>\n");
 157 #endif
 158 #ifdef HAVE_SYS_BITYPES_H
 159     fprintf(f, "#include <sys/bitypes.h>\n");
 160 #endif
 161 #ifdef HAVE_BIND_BITYPES_H
 162     fprintf(f, "#include <bind/bitypes.h>\n");
 163 #endif
 164 #ifdef HAVE_NETINET_IN6_MACHTYPES_H
 165     fprintf(f, "#include <netinet/in6_machtypes.h>\n");
 166 #endif
 167 #ifdef HAVE_SOCKLEN_T
 168 #ifndef WIN32
 169     fprintf(f, "#include <sys/socket.h>\n");
 170 #else
 171     fprintf(f, "#include <winsock2.h>\n");
 172     fprintf(f, "#include <ws2tcpip.h>\n");
 173 #endif
 174 #endif
 175     fprintf(f, "\n");
 176
 177     flag = 0;
 178 #ifndef HAVE_INT8_T
 179     flag = print_bt(f, flag);
 180     try_signed (f, 8);
 181 #endif /* HAVE_INT8_T */
 182 #ifndef HAVE_INT16_T
 183     flag = print_bt(f, flag);
 184     try_signed (f, 16);
 185 #endif /* HAVE_INT16_T */
 186 #ifndef HAVE_INT32_T
 187     flag = print_bt(f, flag);
 188     try_signed (f, 32);
 189 #endif /* HAVE_INT32_T */
 190 #ifndef HAVE_INT64_T
 191     flag = print_bt(f, flag);
 192     try_signed (f, 64);
 193 #endif /* HAVE_INT64_T */
 194
 195 #ifndef HAVE_UINT8_T
 196     flag = print_bt(f, flag);
 197     try_unsigned (f, 8);
 198 #endif /* HAVE_UINT8_T */
 199 #ifndef HAVE_UINT16_T
 200     flag = print_bt(f, flag);
 201     try_unsigned (f, 16);
 202 #endif /* HAVE_UINT16_T */
 203 #ifndef HAVE_UINT32_T
 204     flag = print_bt(f, flag);
 205     try_unsigned (f, 32);
 206 #endif /* HAVE_UINT32_T */
 207 #ifndef HAVE_UINT64_T
 208     flag = print_bt(f, flag);
 209     try_unsigned (f, 64);
 210 #endif /* HAVE_UINT64_T */
 211
 212 #define X(S) fprintf(f, "typedef uint" #S "_t u_int" #S "_t;\n")
 213 #ifndef HAVE_U_INT8_T
 214     flag = print_bt(f, flag);
 215     X(8);
 216 #endif /* HAVE_U_INT8_T */
 217 #ifndef HAVE_U_INT16_T
 218     flag = print_bt(f, flag);
 219     X(16);
 220 #endif /* HAVE_U_INT16_T */
 221 #ifndef HAVE_U_INT32_T
 222     flag = print_bt(f, flag);
 223     X(32);
 224 #endif /* HAVE_U_INT32_T */
 225 #ifndef HAVE_U_INT64_T
 226     flag = print_bt(f, flag);
 227     X(64);
 228 #endif /* HAVE_U_INT64_T */
 229
 230     if(flag){
 231         fprintf(f, "\n");
 232         fprintf(f, "#endif /* __BIT_TYPES_DEFINED__ */\n\n");
 233     }
 234 #ifdef KRB5
 235     fprintf(f, "\n");
 236 #if defined(HAVE_SOCKLEN_T)
 237     fprintf(f, "typedef socklen_t krb5_socklen_t;\n");
 238 #else
 239     fprintf(f, "typedef int krb5_socklen_t;\n");
 240 #endif
 241 #if defined(HAVE_SSIZE_T)
 242 #ifdef HAVE_UNISTD_H
 243     fprintf(f, "#include <unistd.h>\n");
 244 #endif
 245     fprintf(f, "typedef ssize_t krb5_ssize_t;\n");
 246 #else
 247     fprintf(f, "typedef int krb5_ssize_t;\n");
 248 #endif
 249     fprintf(f, "\n");
 250
 251 #if defined(_WIN32)
 252     fprintf(f, "typedef SOCKET krb5_socket_t;\n");
 253 #else
 254     fprintf(f, "typedef int krb5_socket_t;\n");
 255 #endif
 256     fprintf(f, "\n");
 257
 258 #endif /* KRB5 */
 259
 260     fprintf(f, "#ifndef HEIMDAL_DEPRECATED\n");
 261     fprintf(f, "#if defined(__GNUC__) && ((__GNUC__ > 3) || ((__GNUC__ == 3) && (__GNUC_MINOR__ >= 1 )))\n");
 262     fprintf(f, "#define HEIMDAL_DEPRECATED __attribute__((deprecated))\n");
 263     fprintf(f, "#elif defined(_MSC_VER) && (_MSC_VER>1200)\n");
 264     fprintf(f, "#define HEIMDAL_DEPRECATED __declspec(deprecated)\n");
 265     fprintf(f, "#else\n");
 266     fprintf(f, "#define HEIMDAL_DEPRECATED\n");
 267     fprintf(f, "#endif\n");
 268     fprintf(f, "#endif\n");
 269
 270     fprintf(f, "#ifndef HEIMDAL_PRINTF_ATTRIBUTE\n");
 271     fprintf(f, "#if defined(__GNUC__) && ((__GNUC__ > 3) || ((__GNUC__ == 3) && (__GNUC_MINOR__ >= 1 )))\n");
 272     fprintf(f, "#define HEIMDAL_PRINTF_ATTRIBUTE(x) __attribute__((format x))\n");
 273     fprintf(f, "#else\n");
 274     fprintf(f, "#define HEIMDAL_PRINTF_ATTRIBUTE(x)\n");
 275     fprintf(f, "#endif\n");
 276     fprintf(f, "#endif\n");
 277
 278     fprintf(f, "#ifndef HEIMDAL_NORETURN_ATTRIBUTE\n");
 279     fprintf(f, "#if defined(__GNUC__) && ((__GNUC__ > 3) || ((__GNUC__ == 3) && (__GNUC_MINOR__ >= 1 )))\n");
 280     fprintf(f, "#define HEIMDAL_NORETURN_ATTRIBUTE __attribute__((noreturn))\n");
 281     fprintf(f, "#else\n");
 282     fprintf(f, "#define HEIMDAL_NORETURN_ATTRIBUTE\n");
 283     fprintf(f, "#endif\n");
 284     fprintf(f, "#endif\n");
 285
 286     fprintf(f, "#ifndef HEIMDAL_UNUSED_ATTRIBUTE\n");
 287     fprintf(f, "#if defined(__GNUC__) && ((__GNUC__ > 3) || ((__GNUC__ == 3) && (__GNUC_MINOR__ >= 1 )))\n");
 288     fprintf(f, "#define HEIMDAL_UNUSED_ATTRIBUTE __attribute__((unused))\n");
 289     fprintf(f, "#else\n");
 290     fprintf(f, "#define HEIMDAL_UNUSED_ATTRIBUTE\n");
 291     fprintf(f, "#endif\n");
 292     fprintf(f, "#endif\n");
 293
 294     fprintf(f, "#endif /* %s */\n", hb);
 295
 296     if (f != stdout)
 297         fclose(f);
 298     return 0;
 299 }