wdvi

commit b6b0d017fdb287e96d94dbf21b475ac455f02af6
parent de057f9ef5a4c3a1d553133a1d8606601090b639
Author: Kyle Milz <krwmilz@gmail.com>
Date:   Sun, 12 Mar 2023 23:45:37 +0000

use variable names identical to dvitype manual

Diffstat:
M
dvi-init.c
 | 
21
++++++++++-----------

1 file changed, 10 insertions(+), 11 deletions(-)
diff --git a/dvi-init.c b/dvi-init.c
@@ -477,18 +477,17 @@ dvi_magic_ok(FILE *dvi)
  *      it into global variables for later use.
  */
 static Boolean
-process_preamble(long *numerator, long *denominator)
+process_preamble(long *n, long *d)
 {
 	char	 comment[256 + 1];
 	size_t   k;
 
 	if (dvi_magic_ok(dvi_file) == False)
 		return False;
-	*numerator     = four(dvi_file);
-	*denominator   = four(dvi_file);
+	*n = four(dvi_file);		/* numerator */
+	*d = four(dvi_file);		/* denominator */
 	magnification = four(dvi_file);
-	dimconv = (((double) *numerator * magnification)
-		/ ((double) *denominator * 1000.));
+	dimconv = (((double) (*n) * magnification) / ((double) (*d) * 1000.));
 	dimconv = dimconv * (((long) pixels_per_inch)<<16) / 254000;
 	tpic_conv = pixels_per_inch * magnification / 1000000.0;
 	k = one(dvi_file);
@@ -558,7 +557,7 @@ find_postamble(void)
  *      used in the job.
  */
 static	Boolean
-read_postamble(long *last_page_offset, long numerator, long denominator)
+read_postamble(long *last_page_offset, long n, long d)
 {
 	unsigned char   cmnd;
 	Boolean		font_not_found;
@@ -571,9 +570,9 @@ read_postamble(long *last_page_offset, long numerator, long denominator)
 	*last_page_offset = four(dvi_file);
 
 	/* Check postamble duplicates match preamble. */
-	if (numerator != four(dvi_file))
+	if (n != four(dvi_file))
 		return False;
-	if (denominator != four(dvi_file))
+	if (d != four(dvi_file))
 		return False;
 	if (magnification != four(dvi_file))
 		return False;
@@ -776,14 +775,14 @@ set_titles(void)
 Boolean
 init_dvi_file(void)
 {
-	long	numerator, denominator;
+	long	n, d;
 	long	last_page_offset;
 
-	if (!process_preamble(&numerator, &denominator))
+	if (!process_preamble(&n, &d))
 		goto err;
 	if (!find_postamble())
 		goto err;
-	if (!read_postamble(&last_page_offset, numerator, denominator))
+	if (!read_postamble(&last_page_offset, n, d))
 		goto err;
 
 	prepare_pages(last_page_offset);