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author | jbj <devnull@localhost> | 2003-04-25 19:22:20 +0000 |
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committer | jbj <devnull@localhost> | 2003-04-25 19:22:20 +0000 |
commit | f589bf944ec8038f716840f66ef5c064f0645661 (patch) | |
tree | cb5a138b645b0b017d8e6a70c458509ad4785c94 /python | |
parent | 6531425e337992aae37b5fd16021c6534ca230df (diff) | |
download | rpm-f589bf944ec8038f716840f66ef5c064f0645661.tar.gz rpm-f589bf944ec8038f716840f66ef5c064f0645661.tar.bz2 rpm-f589bf944ec8038f716840f66ef5c064f0645661.zip |
beecrypt-3.0.0 merge: file renaming.
Sanity.
CVS patchset: 6777
CVS date: 2003/04/25 19:22:20
Diffstat (limited to 'python')
-rw-r--r-- | python/rpmbc-py.c | 76 |
1 files changed, 74 insertions, 2 deletions
diff --git a/python/rpmbc-py.c b/python/rpmbc-py.c index 08fefa15c..33852c503 100644 --- a/python/rpmbc-py.c +++ b/python/rpmbc-py.c @@ -21,9 +21,11 @@ static int _bc_debug = 0; #define is_rpmbc(o) ((o)->ob_type == &rpmbc_Type) +/*@unchecked@*/ /*@observer@*/ static const char initialiser_name[] = "rpmbc"; -const struct { +/*@unchecked@*/ /*@observer@*/ +static const struct { /* Number of digits in the conversion base that always fits in an mp_limb_t. For example, for base 10 on a machine where a mp_limb_t has 32 bits this is 9, since 10**9 is the largest number that fits into a mp_limb_t. */ @@ -323,6 +325,74 @@ fprintf(stderr, "*** mp32sizeinbase(%p[%d], %d) res %u\n", xdata, xsize, base, ( return res; } +/*@-boundswrite@*/ +static void my32ndivmod(uint32* result, uint32 xsize, const uint32* xdata, uint32 ysize, const uint32* ydata, register uint32* wksp) +{ + /* result must be xsize+1 in length */ + /* wksp must be ysize+1 in length */ + /* expect ydata to be normalized */ + register uint64 temp; + register uint32 q; + uint32 msw = *ydata; + uint32 qsize = xsize-ysize; + +if (_bc_debug < 0) { +fprintf(stderr, "*** my32ndivmod(%p[%d], x, y, %p[%d])\n", result, xsize+1, wksp, ysize+1); +fprintf(stderr, "\t x: %p[%d]\t", xdata, xsize), mp32println(stderr, xsize, xdata); +fprintf(stderr, "\t y: %p[%d]\t", ydata, ysize), mp32println(stderr, ysize, ydata); +} + + mp32copy(xsize, result+1, xdata); +if (_bc_debug < 0) +fprintf(stderr, "\tres(%d): %p[%d]\t", mp32ge(ysize, result+1, ydata), result+1, xsize), mp32println(stderr, xsize, result+1); + /*@-compdef@*/ /* LCL: result+1 undefined */ + if (mp32ge(ysize, result+1, ydata)) + { + /* fprintf(stderr, "subtracting\n"); */ + (void) mp32sub(ysize, result+1, ydata); + *(result++) = 1; + } + else + *(result++) = 0; + /*@=compdef@*/ + +if (_bc_debug < 0) +fprintf(stderr, "\tresult: %p[%d]\t", result-1, xsize+1), mp32println(stderr, xsize+1, result-1); + + /*@-usedef@*/ /* LCL: result[0] is set */ + while (qsize--) + { + /* fprintf(stderr, "result = "); mp32println(stderr, xsize+1, result); */ + /* get the two high words of r into temp */ + temp = result[0]; + temp <<= 32; + temp += result[1]; + /* fprintf(stderr, "q = %016llx / %08lx\n", temp, msw); */ + temp /= msw; + q = (uint32) temp; + + /* fprintf(stderr, "q = %08x\n", q); */ + + /*@-evalorder@*/ + *wksp = mp32setmul(ysize, wksp+1, ydata, q); + /*@=evalorder@*/ + + /* fprintf(stderr, "mp32lt "); mp32print(ysize+1, result); fprintf(stderr, " < "); mp32println(stderr, ysize+1, wksp); */ + while (mp32lt(ysize+1, result, wksp)) + { + /* fprintf(stderr, "mp32lt! "); mp32print(ysize+1, result); fprintf(stderr, " < "); mp32println(stderr, ysize+1, wksp); */ + /* fprintf(stderr, "decreasing q\n"); */ + (void) mp32subx(ysize+1, wksp, ysize, ydata); + q--; + } + /* fprintf(stderr, "subtracting\n"); */ + (void) mp32sub(ysize+1, result, wksp); + *(result++) = q; + } + /*@=usedef@*/ +} +/*@=boundswrite@*/ + static char * mp32str(char * t, uint32 nt, uint32 zsize, uint32 * zdata, uint32 zbase) { @@ -1138,7 +1208,7 @@ if (_bc_debug < 0) fprintf(stderr, "*** a %p[%d]\t", adata, asize), mp32println(stderr, asize, adata); if (_bc_debug < 0) fprintf(stderr, "*** b %p[%d]\t", adata, asize), mp32println(stderr, bsize, bdata); - mp32ndivmod(zdata, asize, adata, bsize, bdata, wksp); + my32ndivmod(zdata, asize, adata, bsize, bdata, wksp); if (_bc_debug < 0) fprintf(stderr, "*** z %p[%d]\t", zdata, zsize), mp32println(stderr, zsize, zdata); zsize -= bsize; @@ -1147,6 +1217,8 @@ fprintf(stderr, "*** z %p[%d]\t", zdata, zsize), mp32println(stderr, zsize, zdat zsize -= znorm; zdata += znorm; } +if (_bc_debug < 0) +fprintf(stderr, "*** z %p[%d]\t", zdata, zsize), mp32println(stderr, zsize, zdata); mp32nset(&z->n, zsize, zdata); if (_bc_debug) |