290 lines
8.0 KiB
C
290 lines
8.0 KiB
C
/*
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* Copyright (c) 1997-2002 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Portions Copyright (c) 2010 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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RCSID("$Id$");
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#endif
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <ctype.h>
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#ifdef WIN32
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#include <winsock2.h>
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#include <ws2tcpip.h>
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#endif
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#define BITSIZE(TYPE) \
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{ \
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int b = 0; TYPE x = 1, zero = 0; const char *pre = "u"; \
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char tmp[128], tmp2[128]; \
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while(x){ x <<= 1; b++; if(x < zero) pre=""; } \
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if(b >= len){ \
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size_t tabs; \
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sprintf(tmp, "%sint%d_t" , pre, len); \
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sprintf(tmp2, "typedef %s %s;", #TYPE, tmp); \
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tabs = 5 - strlen(tmp2) / 8; \
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fprintf(f, "%s", tmp2); \
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while(tabs-- > 0) fprintf(f, "\t"); \
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fprintf(f, "/* %2d bits */\n", b); \
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return; \
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} \
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}
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#ifndef HAVE___ATTRIBUTE__
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#define __attribute__(x)
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#endif
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static void
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try_signed(FILE *f, int len) __attribute__ ((unused));
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static void
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try_unsigned(FILE *f, int len) __attribute__ ((unused));
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static int
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print_bt(FILE *f, int flag) __attribute__ ((unused));
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static void
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try_signed(FILE *f, int len)
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{
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BITSIZE(signed char);
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BITSIZE(short);
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BITSIZE(int);
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BITSIZE(long);
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#ifdef HAVE_LONG_LONG
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BITSIZE(long long);
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#endif
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fprintf(f, "/* There is no %d bit type */\n", len);
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}
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static void
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try_unsigned(FILE *f, int len)
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{
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BITSIZE(unsigned char);
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BITSIZE(unsigned short);
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BITSIZE(unsigned int);
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BITSIZE(unsigned long);
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#ifdef HAVE_LONG_LONG
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BITSIZE(unsigned long long);
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#endif
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fprintf(f, "/* There is no %d bit type */\n", len);
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}
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static int
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print_bt(FILE *f, int flag)
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{
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if(flag == 0){
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fprintf(f, "/* For compatibility with various type definitions */\n");
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fprintf(f, "#ifndef __BIT_TYPES_DEFINED__\n");
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fprintf(f, "#define __BIT_TYPES_DEFINED__\n");
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fprintf(f, "\n");
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}
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return 1;
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}
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int main(int argc, char **argv)
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{
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FILE *f;
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int flag;
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const char *fn, *hb;
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if (argc > 1 && strcmp(argv[1], "--version") == 0) {
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printf("some version");
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return 0;
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}
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if(argc < 2){
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fn = "bits.h";
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hb = "__BITS_H__";
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f = stdout;
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} else {
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char *p;
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fn = argv[1];
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p = malloc(strlen(fn) + 5);
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sprintf(p, "__%s__", fn);
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hb = p;
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for(; *p; p++){
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if(!isalnum((unsigned char)*p))
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*p = '_';
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}
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f = fopen(argv[1], "w");
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}
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fprintf(f, "/* %s -- this file was generated for %s by\n", fn, HOST);
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fprintf(f, " %*s %s */\n\n", (int)strlen(fn), "",
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"$Id$");
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fprintf(f, "#ifndef %s\n", hb);
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fprintf(f, "#define %s\n", hb);
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fprintf(f, "\n");
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#ifdef HAVE_INTTYPES_H
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fprintf(f, "#include <inttypes.h>\n");
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#endif
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#ifdef HAVE_SYS_TYPES_H
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fprintf(f, "#include <sys/types.h>\n");
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#endif
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#ifdef HAVE_SYS_BITYPES_H
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fprintf(f, "#include <sys/bitypes.h>\n");
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#endif
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#ifdef HAVE_BIND_BITYPES_H
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fprintf(f, "#include <bind/bitypes.h>\n");
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#endif
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#ifdef HAVE_NETINET_IN6_MACHTYPES_H
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fprintf(f, "#include <netinet/in6_machtypes.h>\n");
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#endif
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#ifdef HAVE_SOCKLEN_T
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#ifndef WIN32
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fprintf(f, "#include <sys/socket.h>\n");
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#else
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fprintf(f, "#include <winsock2.h>\n");
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fprintf(f, "#include <ws2tcpip.h>\n");
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#endif
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#endif
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fprintf(f, "\n");
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flag = 0;
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#ifndef HAVE_INT8_T
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flag = print_bt(f, flag);
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try_signed (f, 8);
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#endif /* HAVE_INT8_T */
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#ifndef HAVE_INT16_T
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flag = print_bt(f, flag);
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try_signed (f, 16);
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#endif /* HAVE_INT16_T */
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#ifndef HAVE_INT32_T
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flag = print_bt(f, flag);
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try_signed (f, 32);
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#endif /* HAVE_INT32_T */
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#ifndef HAVE_INT64_T
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flag = print_bt(f, flag);
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try_signed (f, 64);
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#endif /* HAVE_INT64_T */
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#ifndef HAVE_UINT8_T
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flag = print_bt(f, flag);
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try_unsigned (f, 8);
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#endif /* HAVE_UINT8_T */
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#ifndef HAVE_UINT16_T
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flag = print_bt(f, flag);
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try_unsigned (f, 16);
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#endif /* HAVE_UINT16_T */
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#ifndef HAVE_UINT32_T
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flag = print_bt(f, flag);
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try_unsigned (f, 32);
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#endif /* HAVE_UINT32_T */
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#ifndef HAVE_UINT64_T
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flag = print_bt(f, flag);
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try_unsigned (f, 64);
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#endif /* HAVE_UINT64_T */
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#define X(S) fprintf(f, "typedef uint" #S "_t u_int" #S "_t;\n")
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#ifndef HAVE_U_INT8_T
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flag = print_bt(f, flag);
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X(8);
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#endif /* HAVE_U_INT8_T */
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#ifndef HAVE_U_INT16_T
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flag = print_bt(f, flag);
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X(16);
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#endif /* HAVE_U_INT16_T */
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#ifndef HAVE_U_INT32_T
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flag = print_bt(f, flag);
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X(32);
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#endif /* HAVE_U_INT32_T */
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#ifndef HAVE_U_INT64_T
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flag = print_bt(f, flag);
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X(64);
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#endif /* HAVE_U_INT64_T */
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if(flag){
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fprintf(f, "\n");
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fprintf(f, "#endif /* __BIT_TYPES_DEFINED__ */\n\n");
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}
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#ifdef KRB5
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fprintf(f, "\n");
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#if defined(HAVE_SOCKLEN_T)
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fprintf(f, "typedef socklen_t krb5_socklen_t;\n");
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#else
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fprintf(f, "typedef int krb5_socklen_t;\n");
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#endif
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#if defined(HAVE_SSIZE_T)
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#ifdef HAVE_UNISTD_H
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fprintf(f, "#include <unistd.h>\n");
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#endif
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fprintf(f, "typedef ssize_t krb5_ssize_t;\n");
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#else
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fprintf(f, "typedef int krb5_ssize_t;\n");
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#endif
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fprintf(f, "\n");
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#if defined(_WIN32)
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fprintf(f, "typedef SOCKET krb5_socket_t;\n");
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#else
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fprintf(f, "typedef int krb5_socket_t;\n");
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#endif
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fprintf(f, "\n");
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#endif /* KRB5 */
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fprintf(f, "#ifndef HEIMDAL_DEPRECATED\n");
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fprintf(f, "#if defined(__GNUC__) && ((__GNUC__ > 3) || ((__GNUC__ == 3) && (__GNUC_MINOR__ >= 1 )))\n");
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fprintf(f, "#define HEIMDAL_DEPRECATED __attribute__((deprecated))\n");
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fprintf(f, "#elif defined(_MSC_VER) && (_MSC_VER>1200)\n");
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fprintf(f, "#define HEIMDAL_DEPRECATED __declspec(deprecated)\n");
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fprintf(f, "#else\n");
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fprintf(f, "#define HEIMDAL_DEPRECATED\n");
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fprintf(f, "#endif\n");
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fprintf(f, "#endif\n");
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fprintf(f, "#ifndef HEIMDAL_PRINTF_ATTRIBUTE\n");
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fprintf(f, "#if defined(__GNUC__) && ((__GNUC__ > 3) || ((__GNUC__ == 3) && (__GNUC_MINOR__ >= 1 )))\n");
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fprintf(f, "#define HEIMDAL_PRINTF_ATTRIBUTE(x) __attribute__((format x))\n");
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fprintf(f, "#else\n");
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fprintf(f, "#define HEIMDAL_PRINTF_ATTRIBUTE(x)\n");
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fprintf(f, "#endif\n");
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fprintf(f, "#endif\n");
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fprintf(f, "#ifndef HEIMDAL_NORETURN_ATTRIBUTE\n");
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fprintf(f, "#if defined(__GNUC__) && ((__GNUC__ > 3) || ((__GNUC__ == 3) && (__GNUC_MINOR__ >= 1 )))\n");
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fprintf(f, "#define HEIMDAL_NORETURN_ATTRIBUTE __attribute__((noreturn))\n");
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fprintf(f, "#else\n");
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fprintf(f, "#define HEIMDAL_NORETURN_ATTRIBUTE\n");
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fprintf(f, "#endif\n");
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fprintf(f, "#endif\n");
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fprintf(f, "#endif /* %s */\n", hb);
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if (f != stdout)
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fclose(f);
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return 0;
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}
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