diff options
Diffstat (limited to 'third_party/heimdal/include/bits.c')
| -rw-r--r-- | third_party/heimdal/include/bits.c | 329 |
1 files changed, 329 insertions, 0 deletions
diff --git a/third_party/heimdal/include/bits.c b/third_party/heimdal/include/bits.c new file mode 100644 index 0000000..6abdb15 --- /dev/null +++ b/third_party/heimdal/include/bits.c @@ -0,0 +1,329 @@ +/* + * 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 + +#ifdef HAVE_SNPRINTF +#define BITSIZE(TYPE) \ +{ \ + int b = 0; TYPE x = 1, zero = 0; const char *pre = "u"; \ + char tmp[128]; \ + while(x){ x <<= 1; b++; if(x < zero) pre=""; } \ + if(b >= len){ \ + size_t tabs; \ + snprintf(tmp, sizeof(tmp), "typedef %s %sint%d_t;", #TYPE, \ + pre, len); \ + tabs = 5 - strlen(tmp) / 8; \ + fprintf(f, "%s", tmp); \ + while(tabs-- > 0) fprintf(f, "\t"); \ + fprintf(f, "/* %2d bits */\n", b); \ + return; \ + } \ +} +#else +#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; \ + } \ +} +#endif +#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; + char *p = NULL; + const char *hb; + + if (argc > 1 && strcmp(argv[1], "--version") == 0) { + printf("some version"); + return 0; + } + + if(argc < 2){ + hb = "__BITS_H__"; + f = stdout; + } else { + p = malloc(strlen(argv[1]) + 5); + sprintf(p, "__%s__", argv[1]); + hb = p; + for(; *p; p++){ + if(!isalnum((unsigned char)*p)) + *p = '_'; + } + f = fopen(argv[1], "w"); + } + 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, "#if !defined(__has_extension)\n"); + fprintf(f, "#define __has_extension(x) 0\n"); + fprintf(f, "#endif\n\n"); + + fprintf(f, "#ifndef KRB5TYPES_REQUIRE_GNUC\n"); + fprintf(f, "#define KRB5TYPES_REQUIRE_GNUC(m,n,p) \\\n"); + fprintf(f, " (((__GNUC__ * 10000) + (__GNUC_MINOR__ * 100) + __GNUC_PATCHLEVEL__) >= \\\n"); + fprintf(f, " (((m) * 10000) + ((n) * 100) + (p)))\n"); + fprintf(f, "#endif\n\n"); + + fprintf(f, "#ifndef HEIMDAL_DEPRECATED\n"); + fprintf(f, "#if __has_extension(deprecated) || KRB5TYPES_REQUIRE_GNUC(3,1,0)\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\n"); + + fprintf(f, "#ifndef HEIMDAL_PRINTF_ATTRIBUTE\n"); + fprintf(f, "#if __has_extension(format) || KRB5TYPES_REQUIRE_GNUC(3,1,0)\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\n"); + + fprintf(f, "#ifndef HEIMDAL_NORETURN_ATTRIBUTE\n"); + fprintf(f, "#if __has_extension(noreturn) || KRB5TYPES_REQUIRE_GNUC(3,1,0)\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\n"); + + fprintf(f, "#ifndef HEIMDAL_UNUSED_ATTRIBUTE\n"); + fprintf(f, "#if __has_extension(unused) || KRB5TYPES_REQUIRE_GNUC(3,1,0)\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\n"); + + fprintf(f, "#ifndef HEIMDAL_WARN_UNUSED_RESULT_ATTRIBUTE\n"); + fprintf(f, "#if __has_extension(warn_unused_result) || KRB5TYPES_REQUIRE_GNUC(3,3,0)\n"); + fprintf(f, "#define HEIMDAL_WARN_UNUSED_RESULT_ATTRIBUTE __attribute__ ((__warn_unused_result__))\n"); + fprintf(f, "#else\n"); + fprintf(f, "#define HEIMDAL_WARN_UNUSED_RESULT_ATTRIBUTE\n"); + fprintf(f, "#endif\n"); + fprintf(f, "#endif\n\n"); + + fprintf(f, "#endif /* %s */\n", hb); + + if (f != stdout) + fclose(f); + return 0; +} |