net-tools: Update to 2.0 git-rev e5f1be13.

[people/amarx/ipfire-3.x.git] / net-tools / patches / 007-net-tools-interface_stack.patch

diff -up net-tools-2.0/include/interface.h.stack net-tools-2.0/include/interface.h
diff -up net-tools-2.0/lib/interface.c.stack net-tools-2.0/lib/interface.c
--- net-tools-2.0/lib/interface.c.stack	2014-11-24 14:54:32.293134466 +0100
+++ net-tools-2.0/lib/interface.c	2014-11-24 15:07:58.434764441 +0100
@@ -214,10 +214,11 @@ out:
     return err;
 }
 
-static const char *get_name(char *name, const char *p)
+static const char *get_name(char **namep, const char *p)
 {
     while (isspace(*p))
 	p++;
+    char *name = *namep = p;
     while (*p) {
 	if (isspace(*p))
 	    break;
@@ -320,9 +321,10 @@ static int get_dev_fields(const char *bp
 static int if_readlist_proc(const char *target)
 {
     FILE *fh;
-    char buf[512];
     struct interface *ife;
     int err;
+    char *line = NULL;
+    size_t linelen = 0;  
 
     fh = fopen(_PATH_PROCNET_DEV, "r");
     if (!fh) {
@@ -330,10 +332,11 @@ static int if_readlist_proc(const char *
 			_PATH_PROCNET_DEV, strerror(errno));
 		return -2;
 	}
-    if (fgets(buf, sizeof buf, fh))
-		/* eat line */;
-    if (fgets(buf, sizeof buf, fh))
-		/* eat line */;
+    if (getline(&line, &linelen, fh) == -1 /* eat line */
+	|| getline(&line, &linelen, fh) == -1) { /* eat line */
+		err = -1;
+		goto out;
+	}
 
 #if 0				/* pretty, but can't cope with missing fields */
     fmt = proc_gen_fmt(_PATH_PROCNET_DEV, 1, fh,
@@ -358,14 +361,14 @@ static int if_readlist_proc(const char *
     if (!fmt)
 	return -1;
 #else
-    procnetdev_vsn = procnetdev_version(buf);
+    procnetdev_vsn = procnetdev_version(line);
 #endif
 
     err = 0;
-    while (fgets(buf, sizeof buf, fh)) {
+    while (getline(&line, &linelen, fh) != -1) {
 	const char *s;
-	char name[IFNAMSIZ];
-	s = get_name(name, buf);
+	char *name;
+	s = get_name(&name, line);    
 	ife = if_cache_add(name);
 	get_dev_fields(s, ife);
 	ife->statistics_valid = 1;
@@ -380,6 +383,8 @@ static int if_readlist_proc(const char *
 #if 0
     free(fmt);
 #endif
+  out:
+    free(line);
     fclose(fh);
     return err;
 }
@@ -387,24 +392,28 @@ static int if_readlist_proc(const char *
 static int if_readlist_rep(const char *target, struct interface *ife)
 {
     FILE *fh;
-    char buf[512];
     int err;
+    char *line = NULL;
+    size_t linelen = 0;
 
     fh = fopen(_PATH_PROCNET_DEV, "r");
     if (!fh) {
 		fprintf(stderr, _("Warning: cannot open %s (%s). Limited output.\n"),
 			_PATH_PROCNET_DEV, strerror(errno)); 
 		return if_readconf();
-	}	
-    fgets(buf, sizeof buf, fh);	/* eat line */
-    fgets(buf, sizeof buf, fh);
+	}
+    if (getline(&line, &linelen, fh) == -1 /* eat line */
+	|| getline(&line, &linelen, fh) == -1) { /* eat line */
+		err = -1;
+		goto out;
+	}
 
-    procnetdev_vsn = procnetdev_version(buf);
+    procnetdev_vsn = procnetdev_version(line);
 
     err = 0;
-    while (fgets(buf, sizeof buf, fh)) {
-	char *s, name[IFNAMSIZ];
-	s = get_name(name, buf);    
+    while (getline(&line, &linelen, fh) != -1) {
+	char *s, *name;
+	s = get_name(&name, line);    
 	get_dev_fields(s, ife);
 	if (target && !strcmp(target,name))
 	{
@@ -417,6 +426,8 @@ static int if_readlist_rep(const char *t
 	err = -1;
     }
 
+  out:
+    free(line);
     fclose(fh);
     return err;
 }