src/usr.bin/tn3270/tools/mkhits/dohits.c scanf()'s

[Jared Yanovich <jjy2+_(_at_)_pitt_(_dot_)_edu>]

Index: dohits.c
===================================================================
RCS file: /cvs/src/usr.bin/tn3270/tools/mkhits/dohits.c,v
retrieving revision 1.8
diff -u -r1.8 dohits.c
--- dohits.c	2003/06/03 02:56:20	1.8
+++ dohits.c	2003/11/13 19:20:51
@@ -60,6 +60,7 @@
 #include <string.h>
 #endif	/* defined(unix) */
 #include <ctype.h>
+#include <err.h>
 #include "../general/general.h"
 #include "../api/asc_ebc.h"
 #include "../api/ebc_disp.h"
@@ -98,7 +99,8 @@
     struct thing **item, *this;
 
     item = &firstentry(second);
-    this = (struct thing *) malloc(sizeof *this);
+    if ((this = (struct thing *) malloc(sizeof *this)) == NULL)
+        err(1, "malloc");
     this->next = *item;
     this->hits = NULL;
     *item = this;
@@ -117,13 +119,13 @@
     char what[100], value[100];
     char line[200];
 
-    snprintf(compare, sizeof compare, " %s%%[^,\t \n]", prefix);
+    snprintf(compare, sizeof compare, " %s%%99[^,\t \n]", prefix);
     if ((ourfile = fopen(file, "r")) == NULL) {
 	perror("fopen");
 	exit(1);
     }
     while (!feof(ourfile)) {
-	if (fscanf(ourfile, compare,  what) == 1) {
+	if (fscanf(ourfile, compare, what) == 1) {
 	    add(prefix, what, 0);
 	}
 	do {
@@ -148,13 +150,13 @@
     char line[200];
     int whatitis;
 
-    snprintf(compare, sizeof compare, "#define %s%%s %%s", prefix);
+    snprintf(compare, sizeof compare, "#define %s%%99s %%99s", prefix);
     if ((ourfile = fopen(file, "r")) == NULL) {
 	perror("fopen");
 	exit(1);
     }
     while (!feof(ourfile)) {
-	if (fscanf(ourfile, compare,  what, value) == 2) {
+	if (fscanf(ourfile, compare, what, value) == 2) {
 	    if (value[0] == '0') {
 		if ((value[1] == 'x') || (value[1] == 'X')) {
 		    sscanf(value, "0x%x", &whatitis);