File net-tools-1.60-interface_stack.patch of Package net-tools

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File net-tools-1.60-interface_stack.patch of Package net-tools

Index: lib/interface.c
===================================================================
--- lib/interface.c.orig
+++ lib/interface.c
@@ -216,10 +216,11 @@ out:
     return err;
 }
 
-static char *get_name(char *name, char *p)
+static char *get_name(char **namep, char *p)
 {
     while (isspace(*p))
 	p++;
+    char *name = *namep = p;
     while (*p) {
 	if (isspace(*p))
 	    break;
@@ -320,9 +321,10 @@ static int if_readlist_proc(char *target
 {
     static int proc_read; 
     FILE *fh;
-    char buf[512];
     struct interface *ife;
     int err;
+    char *line = NULL;
+    size_t linelen = 0;
 
     if (proc_read) {
 	return 0; 
@@ -337,8 +339,11 @@ static int if_readlist_proc(char *target
 			_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) {
+		err = -1;
+		goto out;
+    }
 
 #if 0				/* pretty, but can't cope with missing fields */
     fmt = proc_gen_fmt(_PATH_PROCNET_DEV, 1, fh,
@@ -363,13 +368,13 @@ static int if_readlist_proc(char *target
     if (!fmt)
 	return -1;
 #else
-    procnetdev_vsn = procnetdev_version(buf);
+    procnetdev_vsn = procnetdev_version(line);
 #endif
 
     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);    
 	ife = add_interface(name);
 	get_dev_fields(s, ife);
 	ife->statistics_valid = 1;
@@ -385,6 +390,8 @@ static int if_readlist_proc(char *target
 #if 0
     free(fmt);
 #endif
+  out:
+    free(line);
     fclose(fh);
     return err;
 }

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File net-tools-1.60-interface_stack.patch of Package net-tools

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