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-rw-r--r--Build/source/texk/web2c/xetexdir/image/numbers.c198
1 files changed, 9 insertions, 189 deletions
diff --git a/Build/source/texk/web2c/xetexdir/image/numbers.c b/Build/source/texk/web2c/xetexdir/image/numbers.c
index 06864f1e2bb..53a3ff76460 100644
--- a/Build/source/texk/web2c/xetexdir/image/numbers.c
+++ b/Build/source/texk/web2c/xetexdir/image/numbers.c
@@ -2,7 +2,7 @@
This is dvipdfmx, an eXtended version of dvipdfm by Mark A. Wicks.
- Copyright (C) 2002 by Jin-Hwan Cho and Shunsaku Hirata,
+ Copyright (C) 2002-2015 by Jin-Hwan Cho and Shunsaku Hirata,
the dvipdfmx project team <dvipdfmx@project.ktug.or.kr>
Copyright (C) 1998, 1999 by Mark A. Wicks <mwicks@kettering.edu>
@@ -22,206 +22,26 @@
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
-#include <stdlib.h>
+#if HAVE_CONFIG_H
+#include <w2c/config.h>
+#endif
#include "mfileio.h"
#include "numbers.h"
-UNSIGNED_BYTE get_unsigned_byte (FILE *file)
+unsigned char get_unsigned_byte (FILE *file)
{
int ch;
if ((ch = fgetc (file)) < 0) {
fprintf (stderr, "File ended prematurely\n");
exit(-1);
}
- return (UNSIGNED_BYTE) ch;
-}
-
-UNSIGNED_BYTE sget_unsigned_byte (char *s)
-{
- return *((unsigned char *) s);
-}
-
-SIGNED_BYTE get_signed_byte (FILE *file)
-{
- int byte;
- byte = get_unsigned_byte(file);
- if (byte >= 0x80)
- byte -= 0x100;
- return (SIGNED_BYTE) byte;
+ return (unsigned char) ch;
}
-UNSIGNED_PAIR get_unsigned_pair (FILE *file)
+unsigned short get_unsigned_pair (FILE *file)
{
- int i;
- UNSIGNED_BYTE byte;
- UNSIGNED_PAIR pair = 0;
- for (i=0; i<2; i++) {
- byte = get_unsigned_byte(file);
- pair = pair*0x100u + byte;
- }
- return pair;
-}
-
-UNSIGNED_PAIR sget_unsigned_pair (unsigned char *s)
-{
- int i;
- UNSIGNED_BYTE byte;
- UNSIGNED_PAIR pair = 0;
- for (i=0; i<2; i++) {
- byte = *(s++);
- pair = pair*0x100u + byte;
- }
+ unsigned short pair = get_unsigned_byte(file);
+ pair = pair*0x100u + get_unsigned_byte(file);
return pair;
}
-
-SIGNED_PAIR get_signed_pair (FILE *file)
-{
- int i;
- long pair = 0;
- for (i=0; i<2; i++) {
- pair = pair*0x100 + get_unsigned_byte(file);
- }
- if (pair >= 0x8000) {
- pair -= 0x10000l;
- }
- return (SIGNED_PAIR) pair;
-}
-
-
-UNSIGNED_TRIPLE get_unsigned_triple(FILE *file)
-{
- int i;
- long triple = 0;
- for (i=0; i<3; i++) {
- triple = triple*0x100u + get_unsigned_byte(file);
- }
- return (UNSIGNED_TRIPLE) triple;
-}
-
-SIGNED_TRIPLE get_signed_triple(FILE *file)
-{
- int i;
- long triple = 0;
- for (i=0; i<3; i++) {
- triple = triple*0x100 + get_unsigned_byte(file);
- }
- if (triple >= 0x800000l)
- triple -= 0x1000000l;
- return (SIGNED_TRIPLE) triple;
-}
-
-SIGNED_QUAD get_signed_quad(FILE *file)
-{
- int byte, i;
- long quad = 0;
-
- /* Check sign on first byte before reading others */
- byte = get_unsigned_byte(file);
- quad = byte;
- if (quad >= 0x80)
- quad = byte - 0x100;
- for (i=0; i<3; i++) {
- quad = quad*0x100 + get_unsigned_byte(file);
- }
- return (SIGNED_QUAD) quad;
-}
-
-UNSIGNED_QUAD get_unsigned_quad(FILE *file)
-{
- int i;
- unsigned long quad = 0;
- for (i=0; i<4; i++) {
- quad = quad*0x100u + get_unsigned_byte(file);
- }
- return (UNSIGNED_QUAD) quad;
-}
-
-#if 0
-SIGNED_QUAD sqxfw (SIGNED_QUAD sq, fixword fw)
-{
- int sign = 1;
- unsigned long a, b, c, d, ad, bd, bc, ac;
- unsigned long e, f, g, h, i, j, k;
- unsigned long result;
- /* Make positive. */
- if (sq < 0) {
- sign = -sign;
- sq = -sq;
- }
- if (fw < 0) {
- sign = -sign;
- fw = -fw;
- }
- a = ((unsigned long) sq) >> 16u;
- b = ((unsigned long) sq) & 0xffffu;
- c = ((unsigned long) fw) >> 16u;
- d = ((unsigned long) fw) & 0xffffu;
- ad = a*d; bd = b*d; bc = b*c; ac = a*c;
- e = bd >> 16u;
- f = ad >> 16u;
- g = ad & 0xffffu;
- h = bc >> 16u;
- i = bc & 0xffffu;
- j = ac >> 16u;
- k = ac & 0xffffu;
- result = (e+g+i + (1<<3)) >> 4u; /* 1<<3 is for rounding */
- result += (f+h+k) << 12u;
- result += j << 28u;
- return (sign > 0) ? result : result * -1L;
-}
-
-SIGNED_QUAD axboverc (SIGNED_QUAD n1, SIGNED_QUAD n2, SIGNED_QUAD divide)
-{
- int sign = 1;
- unsigned long a, b, c, d, ad, bd, bc, ac, e, f, g, h, i, j, o;
- unsigned long high, low;
- SIGNED_QUAD result = 0;
- /* Make positive. */
- if (n1 < 0) {
- sign = -sign;
- n1 = -n1;
- }
- if (n2 < 0) {
- sign = -sign;
- n2 = -n2;
- }
- if (divide < 0) {
- sign = -sign;
- divide = -divide;
- }
- a = ((unsigned long) n1) >> 16u;
- b = ((unsigned long) n1) & 0xffffu;
- c = ((unsigned long) n2) >> 16u;
- d = ((unsigned long) n2) & 0xffffu;
- ad = a*d; bd = b*d; bc = b*c; ac = a*c;
- e = bd >> 16u; f = bd & 0xffffu;
- g = ad >> 16u; h = ad & 0xffffu;
- i = bc >> 16u; j = bc & 0xffffu;
- o = e+h+j;
- high = g+i+(o>>16u)+ac; o &= 0xffffu;
- low = (o << 16) + f;
- if (high >= divide)
- ERROR ("Overflow in axboc");
- {
- int k;
- for (k=0; k<32; k++) {
- high *= 2;
- result *= 2;
- if (low >= 0x80000000) {
- low -= 0x80000000;
- high += 1;
- }
- low *= 2;
- if (high > divide) {
- high -= divide;
- result += 1;
- }
- }
- }
- high *= 2;
- if (high >= divide)
- result += 1;
- return (sign>0)?result:-result;
-}
-#endif