From 5a349e333087d9901d1a046139ec942c36afcb93 Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Jan 09 2016 21:34:39 +0000
Subject: amgc_output_pad_symbol(): use symwidth, fix unspecified tab-width code path.

of the three compilers in use (gcc 5.3.0, clang 3.6.2, cparser 1.22.1),
flaws in the previous version of this function were only spotted by cparser.

---

diff --git a/src/output/amgc_output_pad_symbol.c b/src/output/amgc_output_pad_symbol.c
index 6a475ee..6c1d34a 100644
--- a/src/output/amgc_output_pad_symbol.c
+++ b/src/output/amgc_output_pad_symbol.c
@@ -21,20 +21,15 @@ int  amgc_output_pad_symbol(
 	if (layout->symwidth < 1)
 		return -1;
 
-	if (layout->tabwidth) {
-		symwidth += layout->tabwidth;
-		symwidth &= (~(layout->tabwidth-1));
-	} else {
-		symwidth += AMGC_TAB_WIDTH;
-		symwidth &= (~(AMGC_TAB_WIDTH-1));
-	}
-
 	if (layout->tabwidth == 0)
 		return fprintf(fout,"%*c",layout->symwidth-len,' ');
 
+	symwidth += layout->tabwidth;
+	symwidth &= (~(layout->tabwidth-1));
+
 	len &= (~(layout->tabwidth-1));
 
-	while (len < layout->symwidth) {
+	while (len < symwidth) {
 		if (fputc('\t',fout) < 0)
 			return -1;
 		else