summaryrefslogtreecommitdiffstats
path: root/generic/tclTomMathInterface.c
diff options
context:
space:
mode:
Diffstat (limited to 'generic/tclTomMathInterface.c')
-rw-r--r--generic/tclTomMathInterface.c119
1 files changed, 66 insertions, 53 deletions
diff --git a/generic/tclTomMathInterface.c b/generic/tclTomMathInterface.c
index 7eda5c3..866cf08 100644
--- a/generic/tclTomMathInterface.c
+++ b/generic/tclTomMathInterface.c
@@ -3,15 +3,15 @@
*
* tclTomMathInterface.c --
*
- * This file contains procedures that are used as a 'glue'
- * layer between Tcl and libtommath.
+ * This file contains procedures that are used as a 'glue' layer between
+ * Tcl and libtommath.
*
* Copyright (c) 2005 by Kevin B. Kenny. All rights reserved.
*
- * See the file "license.terms" for information on usage and redistribution
- * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
+ * See the file "license.terms" for information on usage and redistribution of
+ * this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
- * RCS: @(#) $Id: tclTomMathInterface.c,v 1.3 2005/10/08 14:42:45 dgp Exp $
+ * RCS: @(#) $Id: tclTomMathInterface.c,v 1.4 2005/10/12 23:51:44 dkf Exp $
*/
#include "tclInt.h"
@@ -28,38 +28,41 @@
* Results:
* Returns a pointer to the allocated block.
*
- * This procedure is a wrapper around Tcl_Alloc, needed because of
- * a mismatched type signature between Tcl_Alloc and malloc.
+ * This procedure is a wrapper around Tcl_Alloc, needed because of a
+ * mismatched type signature between Tcl_Alloc and malloc.
*
*----------------------------------------------------------------------
- */
+ */
extern void *
-TclBNAlloc( size_t x )
+TclBNAlloc(
+ size_t x)
{
- return (void*) Tcl_Alloc( (unsigned int) x );
+ return (void *) Tcl_Alloc((unsigned int) x);
}
/*
*----------------------------------------------------------------------
*
- * TclBNAlloc --
+ * TclBNRealloc --
*
* Change the size of an allocated block of memory in libtommath
*
* Results:
* Returns a pointer to the allocated block.
*
- * This procedure is a wrapper around Tcl_Realloc, needed because of
- * a mismatched type signature between Tcl_Realloc and realloc.
+ * This procedure is a wrapper around Tcl_Realloc, needed because of a
+ * mismatched type signature between Tcl_Realloc and realloc.
*
*----------------------------------------------------------------------
- */
+ */
extern void *
-TclBNRealloc( void* p, size_t s )
+TclBNRealloc(
+ void *p,
+ size_t s)
{
- return (void*) Tcl_Realloc( (char*) p, (unsigned int) s );
+ return (void *) Tcl_Realloc((char *) p, (unsigned int) s);
}
/*
@@ -75,16 +78,17 @@ TclBNRealloc( void* p, size_t s )
* Side effects:
* Memory is freed.
*
- * This function is simply a wrapper around Tcl_Free, needed in
- * libtommath because of a type mismatch between free and Tcl_Free.
+ * This function is simply a wrapper around Tcl_Free, needed in libtommath
+ * because of a type mismatch between free and Tcl_Free.
*
*----------------------------------------------------------------------
*/
extern void
-TclBNFree( void* p )
+TclBNFree(
+ void *p)
{
- Tcl_Free( (char*) p);
+ Tcl_Free((char *) p);
}
/*
@@ -104,9 +108,10 @@ TclBNFree( void* p )
*/
extern void
-TclBNInitBignumFromLong( mp_int* a, long initVal )
+TclBNInitBignumFromLong(
+ mp_int *a,
+ long initVal)
{
-
int status;
unsigned long v;
mp_digit* p;
@@ -115,15 +120,17 @@ TclBNInitBignumFromLong( mp_int* a, long initVal )
* Allocate enough memory to hold the largest possible long
*/
- status = mp_init_size( a, ( ( CHAR_BIT * sizeof( long ) + DIGIT_BIT - 1 )
- / DIGIT_BIT ) );
- if ( status != MP_OKAY ) {
- Tcl_Panic( "initialization failure in TclBNInitBignumFromLong" );
+ status = mp_init_size(a,
+ (CHAR_BIT * sizeof(long) + DIGIT_BIT - 1) / DIGIT_BIT);
+ if (status != MP_OKAY) {
+ Tcl_Panic("initialization failure in TclBNInitBignumFromLong");
}
-
- /* Convert arg to sign and magnitude */
- if ( initVal < 0 ) {
+ /*
+ * Convert arg to sign and magnitude.
+ */
+
+ if (initVal < 0) {
a->sign = MP_NEG;
v = -initVal;
} else {
@@ -131,15 +138,16 @@ TclBNInitBignumFromLong( mp_int* a, long initVal )
v = initVal;
}
- /* Store the magnitude in the bignum. */
+ /*
+ * Store the magnitude in the bignum.
+ */
p = a->dp;
- while ( v ) {
- *p++ = (mp_digit) ( v & MP_MASK );
+ while (v) {
+ *p++ = (mp_digit) (v & MP_MASK);
v >>= MP_DIGIT_BIT;
}
a->used = p - a->dp;
-
}
/*
@@ -159,10 +167,9 @@ TclBNInitBignumFromLong( mp_int* a, long initVal )
*/
extern void
-TclBNInitBignumFromWideInt(mp_int* a,
- /* Bignum to initialize */
- Tcl_WideInt v)
- /* Initial value */
+TclBNInitBignumFromWideInt(
+ mp_int *a, /* Bignum to initialize */
+ Tcl_WideInt v) /* Initial value */
{
if (v < (Tcl_WideInt)0) {
TclBNInitBignumFromWideUInt(a, (Tcl_WideUInt)(-v));
@@ -189,35 +196,41 @@ TclBNInitBignumFromWideInt(mp_int* a,
*/
extern void
-TclBNInitBignumFromWideUInt(mp_int* a,
- /* Bignum to initialize */
- Tcl_WideUInt v)
- /* Initial value */
+TclBNInitBignumFromWideUInt(
+ mp_int *a, /* Bignum to initialize */
+ Tcl_WideUInt v) /* Initial value */
{
-
int status;
- mp_digit* p;
+ mp_digit *p;
/*
- * Allocate enough memory to hold the largest possible Tcl_WideUInt
+ * Allocate enough memory to hold the largest possible Tcl_WideUInt.
*/
- status = mp_init_size(a, ((CHAR_BIT * sizeof( Tcl_WideUInt )
- + DIGIT_BIT - 1)
- / DIGIT_BIT));
+ status = mp_init_size(a,
+ (CHAR_BIT * sizeof(Tcl_WideUInt) + DIGIT_BIT - 1) / DIGIT_BIT);
if (status != MP_OKAY) {
- Tcl_Panic( "initialization failure in TclBNInitBignumFromWideUInt" );
+ Tcl_Panic("initialization failure in TclBNInitBignumFromWideUInt");
}
-
+
a->sign = MP_ZPOS;
- /* Store the magnitude in the bignum. */
+ /*
+ * Store the magnitude in the bignum.
+ */
p = a->dp;
- while ( v ) {
- *p++ = (mp_digit) ( v & MP_MASK );
+ while (vd) {
+ *p++ = (mp_digit) (v & MP_MASK);
v >>= MP_DIGIT_BIT;
}
a->used = p - a->dp;
-
}
+
+/*
+ * Local Variables:
+ * mode: c
+ * c-basic-offset: 4
+ * fill-column: 78
+ * End:
+ */