tbl - fix some gcc warnings

[ghost]

diff -urN tbl.orig/t3.c tbl/t3.c
--- tbl.orig/t3.c	Tue May  7 19:43:35 2019
+++ tbl/t3.c	Tue May  7 19:15:33 2019
@@ -6,27 +6,27 @@
 	char	*optnam; 
 	int	*optadd;
 } options [] = {
-	"expand", &expflg,
-	"EXPAND", &expflg,
-	"center", &ctrflg,
-	"CENTER", &ctrflg,
-	"box", &boxflg,
-	"BOX", &boxflg,
-	"allbox", &allflg,
-	"ALLBOX", &allflg,
-	"doublebox", &dboxflg,
-	"DOUBLEBOX", &dboxflg,
-	"frame", &boxflg,
-	"FRAME", &boxflg,
-	"doubleframe", &dboxflg,
-	"DOUBLEFRAME", &dboxflg,
-	"tab", &tab,
-	"TAB", &tab,
-	"linesize", &linsize,
-	"LINESIZE", &linsize,
-	"delim", &delim1,
-	"DELIM", &delim1,
-	0, 0
+	{ "expand",		&expflg  },
+	{ "EXPAND",		&expflg  },
+	{ "center", 		&ctrflg  },
+	{ "CENTER",		&ctrflg  },
+	{ "box",		&boxflg  },
+	{ "BOX",		&boxflg  },
+	{ "allbox",		&allflg  },
+	{ "ALLBOX",		&allflg  },
+	{ "doublebox",		&dboxflg },
+	{ "DOUBLEBOX",		&dboxflg },
+	{ "frame",		&boxflg  },
+	{ "FRAME",		&boxflg  },
+	{ "doubleframe",	&dboxflg },
+	{ "DOUBLEFRAME",	&dboxflg },
+	{ "tab",		&tab     },
+	{ "TAB",		&tab     },
+	{ "linesize",		&linsize },
+	{ "LINESIZE",		&linsize },
+	{ "delim",		&delim1  },
+	{ "DELIM",		&delim1  },
+	{ 0, 			0	 }
 };
 
 void
diff -urN tbl.orig/t4.c tbl/t4.c
--- tbl.orig/t4.c	Tue May  7 19:43:35 2019
+++ tbl/t4.c	Tue May  7 19:20:14 2019
@@ -43,7 +43,7 @@
 	char	sn[10], *snp, *temp;
 
 	sawchar = icol = 0;
-	while (c = get1char()) {
+	while ((c = get1char())) {
 		switch (c) {
 		default:
 			if (c != tab) {
@@ -182,7 +182,7 @@
 			if (icol <= 0) 
 				continue;
 			temp = snp = csize[icol-1][nclin];
-			while (c = get1char()) {
+			while ((c = get1char())) {
 				if (c == ' ' || c == tab || c == '\n') 
 					break;
 				if (c == '-' || c == '+')
@@ -207,7 +207,7 @@
 			if (icol <= 0) 
 				continue;
 			temp = snp = vsize[icol-1][nclin];
-			while (c = get1char()) {
+			while ((c = get1char())) {
 				if (c == ' ' || c == tab || c == '\n') 
 					break;
 				if (c == '-' || c == '+')
@@ -229,7 +229,7 @@
 		case 'W':
 			snp = cll [icol-1];
 			stopc = 0;
-			while (c = get1char()) {
+			while ((c = get1char())) {
 				if (snp == cll[icol-1] && c == '(') {
 					stopc = ')';
 					continue;
@@ -305,7 +305,7 @@
 		;
 	if (c != '\n')
 		un1getc(c);
-	for (s = line; *s = c = get1char(); s++) {
+	for (s = line; (*s = c = get1char()); s++) {
 		if (c == ')') 
 			inpar = 0;
 		if (inpar) 
diff -urN tbl.orig/t5.c tbl/t5.c
--- tbl.orig/t5.c	Tue May  7 19:43:35 2019
+++ tbl/t5.c	Tue May  7 19:17:58 2019
@@ -31,7 +31,7 @@
 		} else 
 			instead[nlin] = 0;
 		if (nodata(nlin)) {
-			if (ch = oneh(nlin))
+			if ((ch = oneh(nlin)))
 				fullbot[nlin] = ch;
 			table[nlin] = (struct colstr *) alocv((ncol + 2) * sizeof(table[0][0]));
 			for (icol = 0; icol < ncol; icol++) {
diff -urN tbl.orig/t6.c tbl/t6.c
--- tbl.orig/t6.c	Tue May  7 19:43:35 2019
+++ tbl/t6.c	Tue May  7 19:18:26 2019
@@ -102,7 +102,7 @@
 			    reg(icol, CRIGHT), TMP, reg(icol, CRIGHT), TMP);
 		}
 		for (ilin = 0; ilin < nlin; ilin++)
-			if (k = lspan(ilin, icol)) {
+			if ((k = lspan(ilin, icol))) {
 				ss = table[ilin][icol-k].col;
 				if (!real(ss) || barent(ss) || vspen(ss) ) 
 					continue;
diff -urN tbl.orig/t8.c tbl/t8.c
--- tbl.orig/t8.c	Tue May  7 19:43:35 2019
+++ tbl/t8.c	Tue May  7 19:22:34 2019
@@ -227,11 +227,11 @@
 			fprintf(tabout, "%c", F1);
 		}
 		ip = prev(nl);
-		if (ip >= 0)
+		if (ip >= 0) {
 			if (vspen(table[ip][c].col)) {
 				exvspen = (c + 1 < ncol) && vspen(table[ip][c+1].col) && 
 				    (topat[c] == topat[c+1]) && 
-				    (cmidx == (flags[c+1] [stynum[nl]] & (CTOP | CDOWN) == 0))
+				    (cmidx == ((flags[c+1] [stynum[nl]] & (CTOP | CDOWN)) == 0))
 				     && (left(i, c + 1, &lwid) < 0);
 				if (exvspen == 0) {
 					fprintf(tabout, "\\v'(\\n(\\*(#du-\\n(^%cu", c + 'a');
@@ -245,6 +245,7 @@
 			}
 			else
 				exvspen = 0;
+		}
 		/* if lines need to be split for gcos here is the place for a backslash */
 		if (vct > 7 && c < ncol) {
 			fprintf(tabout, "\n.sp-1\n\\&");
diff -urN tbl.orig/t9.c tbl/t9.c
--- tbl.orig/t9.c	Tue May  7 19:43:35 2019
+++ tbl/t9.c	Tue May  7 19:25:21 2019
@@ -1,6 +1,6 @@
 /* t9.c: write lines for tables over 200 lines */
 # include "t.h"
-static useln;
+static int useln;
 
 void
 yetmore(void)
diff -urN tbl.orig/te.c tbl/te.c
--- tbl.orig/te.c	Tue May  7 19:43:35 2019
+++ tbl/te.c	Tue May  7 14:35:28 2019
@@ -1,5 +1,6 @@
 /* te.c: error message control, input line count */
 #include <string.h>
+#include <stdlib.h>
 #include "t.h"
 
 void error(char *s)
diff -urN tbl.orig/tm.c tbl/tm.c
--- tbl.orig/tm.c	Tue May  7 19:43:35 2019
+++ tbl/tm.c	Tue May  7 19:06:35 2019
@@ -37,7 +37,7 @@
 		exlim = exstore + MAXCHS;
 	}
 	q = exstore;
-	while (*exstore++ = *str++)
+	while ((*exstore++ = *str++))
 		;
 	*p = 0;
 	return(q);
@@ -50,7 +50,7 @@
 				/* true if s is in a eqn within p */
 	int	ineq = 0, c;
 
-	while (c = *p) {
+	while ((c = *p)) {
 		if (s == p)
 			return(ineq);
 		p++;
diff -urN tbl.orig/ts.c tbl/ts.c
--- tbl.orig/ts.c	Tue May  7 19:43:35 2019
+++ tbl/ts.c	Tue May  7 19:05:35 2019
@@ -64,7 +64,7 @@
 void
 tcopy (char *s, char *t)
 {
-	while (*s++ = *t++)
+	while ((*s++ = *t++))
 		;
 }
 
diff -urN tbl.orig/tt.c tbl/tt.c
--- tbl.orig/tt.c	Tue May  7 19:43:35 2019
+++ tbl/tt.c	Tue May  7 19:17:15 2019
@@ -119,7 +119,7 @@
 		return(1);
 	if (vspen(s)) 
 		return(1);
-	if (t = barent( s))
+	if ((t = barent( s)))
 		return(t);
 	return(0);
 }

[aligrudi]

Applied. Thanks, Ali