diff options
Diffstat (limited to 'crypto/heimdal/include/bits.c')
| -rw-r--r-- | crypto/heimdal/include/bits.c | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/crypto/heimdal/include/bits.c b/crypto/heimdal/include/bits.c new file mode 100644 index 0000000..5eb9bd0 --- /dev/null +++ b/crypto/heimdal/include/bits.c @@ -0,0 +1,201 @@ +/* + * Copyright (c) 1997 - 1999 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * 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: bits.c,v 1.16 1999/12/02 17:04:57 joda Exp $"); +#endif +#include <stdio.h> +#include <string.h> +#include <stdlib.h> +#include <ctype.h> + +static void +my_strupr(char *s) +{ + char *p = s; + + while(*p){ + if(islower((unsigned char)*p)) + *p = toupper((unsigned char)*p); + p++; + } +} + + +#define BITSIZE(TYPE) \ +{ \ + int b = 0; TYPE x = 1, zero = 0; char *pre = "u_"; \ + char tmp[128], tmp2[128]; \ + while(x){ x <<= 1; b++; if(x < zero) pre=""; } \ + if(b >= len){ \ + int tabs; \ + sprintf(tmp, "%sint%d_t" , pre, len); \ + sprintf(tmp2, "typedef %s %s;", #TYPE, tmp); \ + my_strupr(tmp); \ + tabs = 5 - strlen(tmp2) / 8; \ + fprintf(f, "%s", tmp2); \ + while(tabs-- > 0) fprintf(f, "\t"); \ + fprintf(f, "/* %2d bits */\n", b); \ + return; \ + } \ +} + +static void +try_signed(FILE *f, int len) +{ + BITSIZE(signed char); + BITSIZE(short); + BITSIZE(int); + BITSIZE(long); +#ifdef HAVE_LONG_LONG + BITSIZE(long long); +#endif + fprintf(f, "/* There is no %d bit type */\n", len); +} + +static void +try_unsigned(FILE *f, int len) +{ + BITSIZE(unsigned char); + BITSIZE(unsigned short); + BITSIZE(unsigned int); + BITSIZE(unsigned long); +#ifdef HAVE_LONG_LONG + BITSIZE(unsigned long long); +#endif + fprintf(f, "/* There is no %d bit type */\n", len); +} + +static int +print_bt(FILE *f, int flag) +{ + if(flag == 0){ + fprintf(f, "/* For compatibility with various type definitions */\n"); + fprintf(f, "#ifndef __BIT_TYPES_DEFINED__\n"); + fprintf(f, "#define __BIT_TYPES_DEFINED__\n"); + fprintf(f, "\n"); + } + return 1; +} + +int main(int argc, char **argv) +{ + FILE *f; + int flag; + char *fn, *hb; + + if(argc < 2){ + fn = "bits.h"; + hb = "__BITS_H__"; + f = stdout; + } else { + char *p; + fn = argv[1]; + hb = malloc(strlen(fn) + 5); + sprintf(hb, "__%s__", fn); + for(p = hb; *p; p++){ + if(!isalnum((unsigned char)*p)) + *p = '_'; + } + f = fopen(argv[1], "w"); + } + fprintf(f, "/* %s -- this file was generated for %s by\n", fn, HOST); + fprintf(f, " %*s %s */\n\n", (int)strlen(fn), "", + "$Id: bits.c,v 1.16 1999/12/02 17:04:57 joda Exp $"); + fprintf(f, "#ifndef %s\n", hb); + fprintf(f, "#define %s\n", hb); + fprintf(f, "\n"); +#ifdef HAVE_SYS_TYPES_H + fprintf(f, "#include <sys/types.h>\n"); +#endif +#ifdef HAVE_INTTYPES_H + fprintf(f, "#include <inttypes.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 + 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 */ +#if 0 +#ifndef HAVE_INT64_T + flag = print_bt(f, flag); + try_signed (f, 64); +#endif /* HAVE_INT64_T */ +#endif + +#ifndef HAVE_U_INT8_T + flag = print_bt(f, flag); + try_unsigned (f, 8); +#endif /* HAVE_INT8_T */ +#ifndef HAVE_U_INT16_T + flag = print_bt(f, flag); + try_unsigned (f, 16); +#endif /* HAVE_U_INT16_T */ +#ifndef HAVE_U_INT32_T + flag = print_bt(f, flag); + try_unsigned (f, 32); +#endif /* HAVE_U_INT32_T */ +#if 0 +#ifndef HAVE_U_INT64_T + flag = print_bt(f, flag); + try_unsigned (f, 64); +#endif /* HAVE_U_INT64_T */ +#endif + + if(flag){ + fprintf(f, "\n"); + fprintf(f, "#endif /* __BIT_TYPES_DEFINED__ */\n\n"); + } + fprintf(f, "#endif /* %s */\n", hb); + return 0; +} |
