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