/* creates the md5global.h file.
* Derived from KTH kerberos library bits.c program
* Tim Martin
*/
/*
* Copyright (c) 1998-2016 Carnegie Mellon University. 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. The name "Carnegie Mellon University" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For permission or any other legal
* details, please contact
* Carnegie Mellon University
* Center for Technology Transfer and Enterprise Creation
* 4615 Forbes Avenue
* Suite 302
* Pittsburgh, PA 15213
* (412) 268-7393, fax: (412) 268-7395
* innovation@andrew.cmu.edu
*
* 4. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by Computing Services
* at Carnegie Mellon University (http://www.cmu.edu/computing/)."
*
* CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/*
* Copyright (c) 1997, 1998 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Kungliga Tekniska
* Högskolan and its contributors.
*
* 4. 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.
*/
#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((int) *p))
*p = toupper((int) *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" , pre, len/8); \
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_pre(FILE *f)
{
fprintf(f,
"/* GLOBAL.H - RSAREF types and constants\n"
" */\n"
"#ifndef MD5GLOBAL_H\n"
"#define MD5GLOBAL_H\n"
"\n"
"/* PROTOTYPES should be set to one if and only if the compiler supports\n"
" function argument prototyping.\n"
"The following makes PROTOTYPES default to 0 if it has not already\n"
" been defined with C compiler flags.\n"
" */\n"
"#ifndef PROTOTYPES\n"
"#define PROTOTYPES 0\n"
"#endif\n"
"\n"
"/* POINTER defines a generic pointer type */\n"
"typedef unsigned char *POINTER;\n"
"\n"
);
return 1;
}
static int print_post(FILE *f)
{
fprintf(f, "\n"
"/* PROTO_LIST is defined depending on how PROTOTYPES is defined above.\n"
"If using PROTOTYPES, then PROTO_LIST returns the list, otherwise it\n"
"returns an empty list.\n"
"*/\n"
"#if PROTOTYPES\n"
"#define PROTO_LIST(list) list\n"
"#else\n"
"#define PROTO_LIST(list) ()\n"
"#endif\n"
"\n"
"#endif /* MD5GLOBAL_H */\n\n"
);
return 1;
}
int main(int argc, char **argv)
{
FILE *f;
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((int) *p))
*p = '_';
}
f = fopen(argv[1], "w");
}
print_pre(f);
#ifndef HAVE_INT8_T
try_signed (f, 8);
#endif /* HAVE_INT8_T */
#ifndef HAVE_INT16_T
try_signed (f, 16);
#endif /* HAVE_INT16_T */
#ifndef HAVE_INT32_T
try_signed (f, 32);
#endif /* HAVE_INT32_T */
#ifndef HAVE_INT64_T
try_signed (f, 64);
#endif /* HAVE_INT64_T */
#ifndef HAVE_U_INT8_T
try_unsigned (f, 8);
#endif /* HAVE_INT8_T */
#ifndef HAVE_U_INT16_T
try_unsigned (f, 16);
#endif /* HAVE_U_INT16_T */
#ifndef HAVE_U_INT32_T
try_unsigned (f, 32);
#endif /* HAVE_U_INT32_T */
#ifndef HAVE_U_INT64_T
try_unsigned (f, 64);
#endif /* HAVE_U_INT64_T */
print_post(f);
fclose(f);
return 0;
}