From 20d6794dd7f0bf5d97905d085c7504608a0a4220 Mon Sep 17 00:00:00 2001
From: Joey Schulze <joey@infodrom.org>
Date: Mon, 12 Nov 2001 21:40:39 +0000
Subject: [PATCH] Improved documentation, added link to respective field in the
 specs, added zeroing for both DM and EUR values, as well as defaulting to DM

---
 dtaus.c | 53 +++++++++++++++++++++++++++++++++++------------------
 1 file changed, 35 insertions(+), 18 deletions(-)

diff --git a/dtaus.c b/dtaus.c
index 88a8864..93e8b3c 100644
--- a/dtaus.c
+++ b/dtaus.c
@@ -455,6 +455,10 @@ char *get_date()
   return res;
 }
 
+/*
+ *  Prepare a record A according to the specs.
+ *  See dtaus.txt for explanation
+ */
 void dtaus_prepareA (char *buf)
 {
   int i;
@@ -471,14 +475,19 @@ void dtaus_prepareA (char *buf)
   buf[2] = '2';
   buf[3] = '8';
   buf[4] = 'A';
-  for (i=15;i<15+8; i++) buf[i] = '0';
+  for (i=15;i<15+8; i++) buf[i] = '0';		/* A5 */
   sprintf(tmp, "%02d%02d%02d", loctime->tm_mday, loctime->tm_mon+1, loctime->tm_year % 100);
-  for (i=0; i<6; i++) buf[50+i] = tmp[i];
-  for (i=56;i<56+4; i++) buf[i] = ' ';
-  for (i=70;i<70+10; i++) buf[i] = '0';
-  for (i=80;i<80+48; i++) buf[i] = ' ';
+  for (i=0; i<6; i++) buf[50+i] = tmp[i];	/* A7 (Date) */
+  for (i=56;i<56+4; i++) buf[i] = ' ';		/* A8 */
+  for (i=70;i<70+10; i++) buf[i] = '0';		/* A10 */
+  for (i=80;i<80+48; i++) buf[i] = ' ';		/* A11 */
+  buf[127] = ' ';				/* A12 (Currency) */
 }
 
+/*
+ *  Prepare a record C according to the specs.
+ *  See dtaus.txt for explanation
+ */
 void dtaus_prepareC (char *buf, int normaltext, int maxtext)
 {
   int i;
@@ -498,7 +507,7 @@ void dtaus_prepareC (char *buf, int normaltext, int maxtext)
   i = 187 + (appendix * 29);
 
   /* Bail out if the number is too large, shouldn't be possible though */
-  if (i>1000)
+  if (i >= 1000)
     exit (1);
 
   buf[1] = (i/100)+48;i-=(i/100)*100;
@@ -506,17 +515,24 @@ void dtaus_prepareC (char *buf, int normaltext, int maxtext)
   buf[3] = i+48;
   buf[4] = 'C';
 
-  for (i=31;i<31+13; i++) buf[i] = '0';
-  buf[49] = ' ';
-  for (i=79;i<79+11; i++) buf[i] = '0';
-  for (i=90;i<90+3; i++) buf[i] = ' ';
-  for (i=120;i<120+8; i++) buf[i] = ' ';
-  for (i=182;i<182+3; i++) buf[i] = ' ';
-  for (i=185;i<185+2; i++) buf[i] = '0';
-  for (i=187;i<187+(29*2); i++) buf[i] = ' ';
-  for (i=245;i<245+11; i++) buf[i] = ' ';
+  for (i=31;i<31+13; i++) buf[i] = '0';		/* C6 */
+  buf[49] = ' ';				/* C8 */
+  for (i=50;i<50+11; i++) buf[i] = '0';		/* C9 (Betrag) */
+  for (i=79;i<79+11; i++) buf[i] = '0';		/* C12 (Euro) */
+  for (i=90;i<90+3; i++) buf[i] = ' ';		/* C13 */
+  for (i=93;i<90+27; i++) buf[i] = ' ';		/* C14a (Kunde) */
+  for (i=120;i<120+8; i++) buf[i] = ' ';	/* C14b */
+  buf[182] = ' ';				/* C17a (Currency) */
+  for (i=183;i<183+2; i++) buf[i] = ' ';	/* C17b */
+  for (i=185;i<185+2; i++) buf[i] = '0';	/* C18 (#Extension) */
+  for (i=187;i<187+(29*2); i++) buf[i] = ' ';	/* C19-C22 (misc text) */
+  for (i=245;i<245+11; i++) buf[i] = ' ';	/* C23 */
 }
 
+/*
+ *  Prepare a record E according to the specs.
+ *  See dtaus.txt for explanation
+ */
 void dtaus_prepareE (char *buf)
 {
   int i;
@@ -527,9 +543,10 @@ void dtaus_prepareE (char *buf)
   buf[2] = '2';
   buf[3] = '8';
   buf[4] = 'E';
-  for (i=5;i<5+5; i++) buf[i] = ' ';
-  for (i=64;i<64+13; i++) buf[i] = '0';
-  for (i=77;i<77+51; i++) buf[i] = ' ';
+  for (i=5;i<5+5; i++) buf[i] = ' ';	/* E3 */
+  for (i=17;i<17+13; i++) buf[i] = '0';	/* E8 (Check Betrag) */
+  for (i=64;i<64+13; i++) buf[i] = '0';	/* E8 (Check Euro) */
+  for (i=77;i<77+51; i++) buf[i] = ' ';	/* E9 */
 }
 
 int dtaus_writeA(FILE *f, char **values)
-- 
2.20.1