/* $NetBSD: bits.c,v 1.3.8.1 2023/08/11 13:39:54 martin Exp $ */ /* * 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 __RCSID("$NetBSD: bits.c,v 1.3.8.1 2023/08/11 13:39:54 martin Exp $"); #endif #include #include #include #include #ifdef WIN32 #include #include #endif #define BITSIZE(TYPE) \ { \ int b = 0; TYPE x = 1, zero = 0; const char *pre = "u"; \ char tmp[128], tmp2[192]; \ 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; 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 \n"); #endif #ifdef HAVE_SYS_TYPES_H fprintf(f, "#include \n"); #endif #ifdef HAVE_SYS_BITYPES_H fprintf(f, "#include \n"); #endif #ifdef HAVE_BIND_BITYPES_H fprintf(f, "#include \n"); #endif #ifdef HAVE_NETINET_IN6_MACHTYPES_H fprintf(f, "#include \n"); #endif #ifdef HAVE_SOCKLEN_T #ifndef WIN32 fprintf(f, "#include \n"); #else fprintf(f, "#include \n"); fprintf(f, "#include \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 \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; }