Remove trailing whitespaces
diff --git a/libkmod/libkmod-index.c b/libkmod/libkmod-index.c
index 513a88f..3d697d6 100644
--- a/libkmod/libkmod-index.c
+++ b/libkmod/libkmod-index.c
@@ -37,7 +37,7 @@
 	node = NOFAIL(calloc(sizeof(struct index_node), 1));
 	node->prefix = NOFAIL(strdup(""));
 	node->first = INDEX_CHILDMAX;
-	
+
 	return node;
 }
 
@@ -54,10 +54,10 @@
 void index_destroy(struct index_node *node)
 {
 	int c;
-	
+
 	for (c = node->first; c <= node->last; c++) {
 		struct index_node *child = node->children[c];
-		
+
 		if (child)
 			index_destroy(child);
 	}
@@ -69,10 +69,10 @@
 static void index__checkstring(const char *str)
 {
 	int i;
-	
+
 	for (i = 0; str[i]; i++) {
 		int ch = str[i];
-		
+
 		if (ch >= INDEX_CHILDMAX)
 			fatal("Module index: bad character '%c'=0x%x - only 7-bit ASCII is supported:"
 			      "\n%s\n", (char) ch, (int) ch, str);
@@ -111,27 +111,27 @@
 {
 	int i = 0; /* index within str */
 	int ch;
-	
+
 	index__checkstring(key);
 	index__checkstring(value);
-	
+
 	while(1) {
 		int j; /* index within node->prefix */
-	
+
 		/* Ensure node->prefix is a prefix of &str[i].
 		   If it is not already, then we must split node. */
 		for (j = 0; node->prefix[j]; j++) {
 			ch = node->prefix[j];
-		
+
 			if (ch != key[i+j]) {
 				char *prefix = node->prefix;
 				struct index_node *n;
-				
+
 				/* New child is copy of node with prefix[j+1..N] */
 				n = NOFAIL(calloc(sizeof(struct index_node), 1));
 				memcpy(n, node, sizeof(struct index_node));
 				n->prefix = NOFAIL(strdup(&prefix[j+1]));
-				
+
 				/* Parent has prefix[0..j], child at prefix[j] */
 				memset(node, 0, sizeof(struct index_node));
 				prefix[j] = '\0';
@@ -139,26 +139,26 @@
 				node->first = ch;
 				node->last = ch;
 				node->children[ch] = n;
-				
+
 				break;
 			}
 		}
 		/* j is now length of node->prefix */
 		i += j;
-	
+
 		ch = key[i];
 		if(ch == '\0')
 			return add_value(&node->values, value, priority);
-		
+
 		if (!node->children[ch]) {
 			struct index_node *child;
-		
+
 			if (ch < node->first)
 				node->first = ch;
 			if (ch > node->last)
 				node->last = ch;
 			node->children[ch] = NOFAIL(calloc(sizeof(struct index_node), 1));
-			
+
 			child = node->children[ch];
 			child->prefix = NOFAIL(strdup(&key[i+1]));
 			child->first = INDEX_CHILDMAX;
@@ -166,7 +166,7 @@
 
 			return 0;
 		}
-		
+
 		/* Descend into child node and continue */
 		node = node->children[ch];
 		i++;
@@ -190,33 +190,33 @@
  	uint32_t *child_offs = NULL;
  	int child_count = 0;
 	long offset;
-	
+
 	if (!node)
 		return 0;
-	
+
 	/* Write children and save their offsets */
 	if (index__haschildren(node)) {
 		const struct index_node *child;
 		int i;
-		
+
 		child_count = node->last - node->first + 1;
 		child_offs = NOFAIL(malloc(child_count * sizeof(uint32_t)));
-		
+
 		for (i = 0; i < child_count; i++) {
 			child = node->children[node->first + i];
 			child_offs[i] = htonl(index_write__node(child, out));
 		}
 	}
-		
+
 	/* Now write this node */
 	offset = ftell(out);
-	
+
 	if (node->prefix[0]) {
 		fputs(node->prefix, out);
 		fputc('\0', out);
 		offset |= INDEX_NODE_PREFIX;
 	}
-		
+
 	if (child_count) {
 		fputc(node->first, out);
 		fputc(node->last, out);
@@ -224,7 +224,7 @@
 		free(child_offs);
 		offset |= INDEX_NODE_CHILDS;
 	}
-	
+
 	if (node->values) {
 		const struct index_value *v;
 		unsigned int value_count;
@@ -244,7 +244,7 @@
 		}
 		offset |= INDEX_NODE_VALUES;
 	}
-	
+
 	return offset;
 }
 
@@ -252,20 +252,20 @@
 {
 	long initial_offset, final_offset;
 	uint32_t u;
-	
+
 	u = htonl(INDEX_MAGIC);
 	fwrite(&u, sizeof(u), 1, out);
 	u = htonl(INDEX_VERSION);
 	fwrite(&u, sizeof(u), 1, out);
-	
+
 	/* Second word is reserved for the offset of the root node */
 	initial_offset = ftell(out);
 	u = 0;
 	fwrite(&u, sizeof(uint32_t), 1, out);
-	
+
 	/* Dump trie */
 	u = htonl(index_write__node(node, out));
-	
+
 	/* Update first word */
 	final_offset = ftell(out);
 	fseek(out, initial_offset, SEEK_SET);
@@ -327,7 +327,7 @@
 static struct buffer *buf_create()
 {
 	struct buffer *buf;
-	 
+
 	buf = NOFAIL(calloc(sizeof(struct buffer), 1));
 	buf__realloc(buf, 256);
 	return buf;
@@ -437,22 +437,22 @@
 		return NULL;
 
 	fseek(in, offset & INDEX_NODE_MASK, SEEK_SET);
-	
+
 	if (offset & INDEX_NODE_PREFIX) {
 		struct buffer *buf = buf_create();
 		buf_freadchars(buf, in);
 		prefix = buf_detach(buf);
 	} else
 		prefix = NOFAIL(strdup(""));
-		
+
 	if (offset & INDEX_NODE_CHILDS) {
 		char first = read_char(in);
 		char last = read_char(in);
 		child_count = last - first + 1;
-		
+
 		node = NOFAIL(malloc(sizeof(struct index_node_f) +
 				     sizeof(uint32_t) * child_count));
-		
+
 		node->first = first;
 		node->last = last;
 
@@ -463,7 +463,7 @@
 		node->first = INDEX_CHILDMAX;
 		node->last = 0;
 	}
-	
+
 	node->values = NULL;
 	if (offset & INDEX_NODE_VALUES) {
 		int value_count;
@@ -561,9 +561,9 @@
 {
 	struct index_value *v;
 	int ch, pushed;
-	
+
 	pushed = buf_pushchars(buf, node->prefix);
-	
+
 	for (v = node->values; v != NULL; v = v->next) {
 		fputs(prefix, out);
 		buf_fwrite(buf, out);
@@ -571,18 +571,18 @@
 		fputs(v->value, out);
 		fputc('\n', out);
 	}
-	
+
 	for (ch = node->first; ch <= node->last; ch++) {
 		struct index_node_f *child = index_readchild(node, ch);
-		
+
 		if (!child)
 			continue;
-			
+
 		buf_pushchar(buf, ch);
 		index_dump_node(child, buf, out, prefix);
 		buf_popchar(buf);
 	}
-	
+
 	buf_popchars(buf, pushed);
 	index_close(node);
 }
@@ -591,7 +591,7 @@
 {
 	struct index_node_f *root;
 	struct buffer *buf;
-	
+
 	buf = buf_create();
 	root = index_readroot(in);
 	index_dump_node(root, buf, out, prefix);
@@ -613,10 +613,10 @@
 {
 	struct index_node_f *root;
 	char *value;
-	
+
 	root = index_readroot(in);
 	value = index_search__node(root, key, 0);
-	
+
 	return value;
 }
 
@@ -630,14 +630,14 @@
 	while(node) {
 		for (j = 0; node->prefix[j]; j++) {
 			ch = node->prefix[j];
-			
+
 			if (ch != key[i+j]) {
 				index_close(node);
 				return NULL;
 			}
 		}
 		i += j;
-		
+
 		if (key[i] == '\0') {
 			if (node->values) {
 				value = strdup(node->values[0].value);
@@ -647,13 +647,13 @@
 				return NULL;
 			}
 		}
-		
+
 		child = index_readchild(node, key[i]);
 		index_close(node);
 		node = child;
 		i++;
 	}
-	
+
 	return NULL;
 }
 
@@ -690,7 +690,7 @@
 	struct index_node_f *root = index_readroot(in);
 	struct buffer *buf = buf_create();
 	struct index_value *out = NULL;
-	
+
 	index_searchwild__node(root, buf, key, 0, &out);
 	buf_destroy(buf);
 	return out;
@@ -708,47 +708,47 @@
 	while(node) {
 		for (j = 0; node->prefix[j]; j++) {
 			ch = node->prefix[j];
-			
+
 			if (ch == '*' || ch == '?' || ch == '[') {
 				index_searchwild__all(node, j, buf,
 						      &key[i+j], out);
 				return;
 			}
-			
+
 			if (ch != key[i+j]) {
 				index_close(node);
 				return;
 			}
 		}
 		i += j;
-		
+
 		child = index_readchild(node, '*');
 		if (child) {
 			buf_pushchar(buf, '*');
 			index_searchwild__all(child, 0, buf, &key[i], out);
 			buf_popchar(buf);
 		}
-		
+
 		child = index_readchild(node, '?');
 		if (child) {
 			buf_pushchar(buf, '?');
 			index_searchwild__all(child, 0, buf, &key[i], out);
 			buf_popchar(buf);
 		}
-		
+
 		child = index_readchild(node, '[');
 		if (child) {
 			buf_pushchar(buf, '[');
 			index_searchwild__all(child, 0, buf, &key[i], out);
 			buf_popchar(buf);
 		}
-		
+
 		if (key[i] == '\0') {
 			index_searchwild__allvalues(node, out);
 
 			return;
 		}
-		
+
 		child = index_readchild(node, key[i]);
 		index_close(node);
 		node = child;
@@ -763,10 +763,10 @@
 {
 	int pushed = 0;
 	int ch;
-	
+
 	while (node->prefix[j]) {
 		ch = node->prefix[j];
-		
+
 		buf_pushchar(buf, ch);
 		pushed++;
 		j++;
@@ -774,22 +774,22 @@
 
 	for (ch = node->first; ch <= node->last; ch++) {
 		struct index_node_f *child = index_readchild(node, ch);
-		
+
 		if (!child)
 			continue;
-			
+
 		buf_pushchar(buf, ch);
 		index_searchwild__all(child, 0, buf, subkey, out);
 		buf_popchar(buf);
 	}
-	
+
 	if (node->values) {
 		if (fnmatch(buf_str(buf), subkey, 0) == 0)
 			index_searchwild__allvalues(node, out);
 	} else {
 		index_close(node);
 	}
-	
+
 	buf_popchars(buf, pushed);
 }
 
@@ -797,7 +797,7 @@
 					struct index_value **out)
 {
 	struct index_value *v;
-	
+
 	for (v = node->values; v != NULL; v = v->next)
 		add_value(out, v->value, v->priority);