diff --git a/src/lib-sieve/sieve-address-parts.c b/src/lib-sieve/sieve-address-parts.c
index 595961096ae2e034a3fd39e6eb122b4c4e51c83b..84ba69530180895aaadd90c8b008aad1a7fa2c02 100644
--- a/src/lib-sieve/sieve-address-parts.c
+++ b/src/lib-sieve/sieve-address-parts.c
@@ -285,7 +285,6 @@ const struct sieve_address_part *sieve_core_address_parts[] = {
 	&all_address_part, &local_address_part, &domain_address_part
 };
 
-const unsigned int sieve_core_address_parts_count =
-	(sizeof(sieve_core_address_parts) / sizeof(sieve_core_address_parts[0]));
+const unsigned int sieve_core_address_parts_count = N_ELEMENTS(sieve_core_address_parts);
 
 
diff --git a/src/lib-sieve/sieve-ast.h b/src/lib-sieve/sieve-ast.h
index 1d97da1342601d156aec9815e795e790611da379..525bd293e4259142f5451d8acdfe248d6770a38e 100644
--- a/src/lib-sieve/sieve-ast.h
+++ b/src/lib-sieve/sieve-ast.h
@@ -1,5 +1,5 @@
-#ifndef __SIEVE_AST_H__
-#define __SIEVE_AST_H__
+#ifndef __SIEVE_AST_H
+#define __SIEVE_AST_H
 
 #include "lib.h"
 #include "str.h"
@@ -68,18 +68,18 @@ struct sieve_ast_argument {
 	struct sieve_ast_argument *next;
 	struct sieve_ast_argument *prev;
   
-  /* Parser-assigned data */
+	/* Parser-assigned data */
   
 	union {	
 		string_t *str;
 		struct sieve_ast_arg_list *strlist;
 		const char *tag;
 		int number;
-  } _value;
+	} _value;
   
-  unsigned int source_line;
+	unsigned int source_line;
   
-  /* Assigned during validation */
+	/* Assigned during validation */
 
 	/* Argument associated with this ast element  */
 	const struct sieve_argument *argument;
@@ -236,4 +236,4 @@ void sieve_ast_unparse(struct sieve_ast *ast);
 #define sieve_ast_strlist_strc(str) sieve_ast_argument_strc(str)
 #define sieve_ast_strlist_count(list) __LIST_COUNT(list, _value.strlist)
 
-#endif /* __SIEVE_AST_H__ */
+#endif /* __SIEVE_AST_H */
diff --git a/src/lib-sieve/sieve-binary.c b/src/lib-sieve/sieve-binary.c
index 4357fddbff302937b294072b15bc7f5a86b8dcc9..552edc0923c3dd553d11edd681cffb0c65592348 100644
--- a/src/lib-sieve/sieve-binary.c
+++ b/src/lib-sieve/sieve-binary.c
@@ -297,17 +297,17 @@ static string_t *t_str_const(const void *cdata, size_t size)
 bool sieve_binary_read_string
   (struct sieve_binary *binary, sieve_size_t *address, string_t **str) 
 {
-  sieve_size_t strlen = 0;
+	sieve_size_t strlen = 0;
   
-  if ( !sieve_binary_read_integer(binary, address, &strlen) ) 
-    return FALSE;
-      
-  if ( strlen > ADDR_BYTES_LEFT(binary, address) ) 
-    return FALSE;
+	if ( !sieve_binary_read_integer(binary, address, &strlen) ) 
+		return FALSE;
+    	  
+	if ( strlen > ADDR_BYTES_LEFT(binary, address) ) 
+		return FALSE;
    
-  *str = t_str_const(&ADDR_CODE_AT(binary, address), strlen);
+	*str = t_str_const(&ADDR_CODE_AT(binary, address), strlen);
 	ADDR_JUMP(address, strlen);
   
-  return TRUE;
+	return TRUE;
 }
 
diff --git a/src/lib-sieve/sieve-code.c b/src/lib-sieve/sieve-code.c
index 4cc5eecce1a860199c0cc4f4e30f6c0262e18682..2cab25d84b1c6fa057f229f52416effe7445aedf 100644
--- a/src/lib-sieve/sieve-code.c
+++ b/src/lib-sieve/sieve-code.c
@@ -16,12 +16,12 @@
  */
 
 struct sieve_coded_stringlist {
-  struct sieve_binary *binary;
-  sieve_size_t start_address;
-  sieve_size_t end_address;
-  sieve_size_t current_offset;
-  int length;
-  int index;
+	struct sieve_binary *binary;
+	sieve_size_t start_address;
+	sieve_size_t end_address;
+	sieve_size_t current_offset;
+	int length;
+	int index;
 };
 
 static struct sieve_coded_stringlist *sieve_coded_stringlist_create
@@ -30,7 +30,7 @@ static struct sieve_coded_stringlist *sieve_coded_stringlist_create
 {
 	struct sieve_coded_stringlist *strlist;
 	
-  if ( end > sieve_binary_get_code_size(sbin) ) 
+	if ( end > sieve_binary_get_code_size(sbin) ) 
   		return NULL;
     
 	strlist = p_new(pool_datastack_create(), struct sieve_coded_stringlist, 1);
@@ -41,33 +41,33 @@ static struct sieve_coded_stringlist *sieve_coded_stringlist_create
 	strlist->length = length;
 	strlist->index = 0;
   
-  return strlist;
+	return strlist;
 }
 
 bool sieve_coded_stringlist_next_item(struct sieve_coded_stringlist *strlist, string_t **str) 
 {
 	sieve_size_t address;
-  *str = NULL;
+	*str = NULL;
   
-  if ( strlist->index >= strlist->length ) 
-    return TRUE;
-  else {
-  	address = strlist->current_offset;
+	if ( strlist->index >= strlist->length ) 
+		return TRUE;
+	else {
+		address = strlist->current_offset;
   	
-  	if ( sieve_binary_read_string(strlist->binary, &address, str) ) {
-    	strlist->index++;
-    	strlist->current_offset = address;
-    	return TRUE;
-    }
-  }  
+		if ( sieve_binary_read_string(strlist->binary, &address, str) ) {
+			strlist->index++;
+			strlist->current_offset = address;
+			return TRUE;
+		}
+	}  
   
-  return FALSE;
+	return FALSE;
 }
 
 void sieve_coded_stringlist_reset(struct sieve_coded_stringlist *strlist) 
 {  
-  strlist->current_offset = strlist->start_address;
-  strlist->index = 0;
+	strlist->current_offset = strlist->start_address;
+	strlist->index = 0;
 }
 
 inline int sieve_coded_stringlist_get_length(struct sieve_coded_stringlist *strlist)
@@ -229,7 +229,7 @@ const struct sieve_operand *sieve_operands[] = {
 }; 
 
 const unsigned int sieve_operand_count =
-	(sizeof(sieve_operands) / sizeof(sieve_operands[0]));
+	N_ELEMENTS(sieve_operands);
 	
 /* 
  * Operand implementations 
@@ -240,7 +240,7 @@ const unsigned int sieve_operand_count =
 void sieve_opr_number_emit(struct sieve_binary *sbin, sieve_size_t number) 
 {
 	(void) sieve_operand_emit_code(sbin, SIEVE_OPERAND_NUMBER);
-  (void) sieve_binary_emit_integer(sbin, number);
+	(void) sieve_binary_emit_integer(sbin, number);
 }
 
 bool sieve_opr_number_dump(struct sieve_binary *sbin, sieve_size_t *address) 
@@ -284,9 +284,9 @@ static bool opr_number_dump(struct sieve_binary *sbin, sieve_size_t *address)
 	sieve_size_t number = 0;
 	
 	if (sieve_binary_read_integer(sbin, address, &number) ) {
-	  printf("NUM: %ld\n", (long) number);		
-	  
-	  return TRUE;
+		printf("NUM: %ld\n", (long) number);
+
+		return TRUE;
 	}
 	
 	return FALSE;
@@ -351,18 +351,18 @@ static void _print_string(string_t *str)
 	printf("STR[%ld]: \"", (long) str_len(str));
 
 	while ( i < 40 && i < str_len(str) ) {
-	  if ( sdata[i] > 31 ) 
-	    printf("%c", sdata[i]);
-	  else
-	    printf(".");
+		if ( sdata[i] > 31 ) 
+			printf("%c", sdata[i]);
+		else
+			printf(".");
 	    
 	  i++;
 	}
 	
 	if ( str_len(str) < 40 ) 
-	  printf("\"\n");
+		printf("\"\n");
 	else
-	  printf("...\n");
+		printf("...\n");
 }
 
 bool opr_string_dump(struct sieve_binary *sbin, sieve_size_t *address) 
@@ -373,9 +373,9 @@ bool opr_string_dump(struct sieve_binary *sbin, sieve_size_t *address)
 		_print_string(str);   		
 		
 		return TRUE;
-  }
+	}
   
-  return FALSE;
+	return FALSE;
 }
 
 static bool opr_string_read
@@ -389,17 +389,17 @@ static bool opr_string_read
 void sieve_opr_stringlist_emit_start
 	(struct sieve_binary *sbin, unsigned int listlen, void **context)
 {
-  sieve_size_t *end_offset = t_new(sieve_size_t, 1);
+	sieve_size_t *end_offset = t_new(sieve_size_t, 1);
 
 	/* Emit byte identifying the type of operand */	  
-  (void) sieve_operand_emit_code(sbin, SIEVE_OPERAND_STRING_LIST);
+	(void) sieve_operand_emit_code(sbin, SIEVE_OPERAND_STRING_LIST);
   
-  /* Give the interpreter an easy way to skip over this string list */
-  *end_offset = sieve_binary_emit_offset(sbin, 0);
+	/* Give the interpreter an easy way to skip over this string list */
+	*end_offset = sieve_binary_emit_offset(sbin, 0);
 	*context = (void *) end_offset;
 
-  /* Emit the length of the list */
-  (void) sieve_binary_emit_integer(sbin, (int) listlen);
+	/* Emit the length of the list */
+	(void) sieve_binary_emit_integer(sbin, (int) listlen);
 }
 
 void sieve_opr_stringlist_emit_item
@@ -474,8 +474,8 @@ static bool opr_stringlist_dump
 {
 	struct sieve_coded_stringlist *strlist;
 	
-  if ( (strlist=opr_stringlist_read(sbin, address)) != NULL ) {
-  	sieve_size_t pc;
+	if ( (strlist=opr_stringlist_read(sbin, address)) != NULL ) {
+  		sieve_size_t pc;
 		string_t *stritem;
 		
 		printf("STRLIST [%d] (END %08x)\n", 
@@ -500,17 +500,17 @@ static struct sieve_coded_stringlist *opr_stringlist_read_single
 {
 	struct sieve_coded_stringlist *strlist;
 	sieve_size_t strlen;
-  sieve_size_t pc = *address;
+	sieve_size_t pc = *address;
   
 	if ( !sieve_binary_read_integer(sbin, address, &strlen) ) 
   	return NULL;
 
 	strlist = sieve_coded_stringlist_create(sbin, pc, 1, *address + strlen); 
 
-  /* Skip over the string for now */
-  *address += strlen;
+	/* Skip over the string for now */
+	*address += strlen;
   
-  return strlist;
+	return strlist;
 }
 
 static struct sieve_coded_stringlist *opr_stringlist_read
@@ -518,9 +518,9 @@ static struct sieve_coded_stringlist *opr_stringlist_read
 {
 	struct sieve_coded_stringlist *strlist;
 
-  sieve_size_t pc = *address;
-  sieve_size_t end; 
-  sieve_size_t length = 0; 
+	sieve_size_t pc = *address;
+	sieve_size_t end; 
+	sieve_size_t length = 0; 
  
 	int end_offset;
 	
@@ -534,13 +534,12 @@ static struct sieve_coded_stringlist *opr_stringlist_read
   	
 	strlist = sieve_coded_stringlist_create(sbin, *address, length, end); 
 
-  /* Skip over the string list for now */
-  *address = end;
+	/* Skip over the string list for now */
+	*address = end;
   
-  return strlist;
+	return strlist;
 }  
 
-
 /* 
  * Opcodes
  */
@@ -577,14 +576,14 @@ const struct sieve_opcode *sieve_operation_read
 				return NULL;
 		} else {
 			int ext_id = -1;
-		  const struct sieve_extension *ext = 
-		  	sieve_binary_extension_get_by_index
-		  		(sbin, opcode - SIEVE_OPCODE_EXT_OFFSET, &ext_id);
+			const struct sieve_extension *ext = 
+			sieve_binary_extension_get_by_index
+				(sbin, opcode - SIEVE_OPCODE_EXT_OFFSET, &ext_id);
 		  
-		  if ( ext != NULL )
-		  	return ext->opcode;	
-		  else
-		  	return NULL;
+			if ( ext != NULL )
+				return ext->opcode;	
+			else
+				return NULL;
 		}
 	}		
 	
@@ -619,22 +618,22 @@ extern const struct sieve_opcode tst_size_over_opcode;
 extern const struct sieve_opcode tst_size_under_opcode;
 
 const struct sieve_opcode *sieve_opcodes[] = {
-  &jmp_opcode,
-  &jmptrue_opcode, 
-  &jmpfalse_opcode,
-  &stop_opcode,
-  &keep_opcode,
-  &discard_opcode,
-
-  &tst_address_opcode,
-  &tst_header_opcode,
-  &tst_exists_opcode,
-  &tst_size_over_opcode,
-  &tst_size_under_opcode
+	&jmp_opcode,
+	&jmptrue_opcode, 
+	&jmpfalse_opcode,
+	&stop_opcode,
+	&keep_opcode,
+	&discard_opcode,
+
+	&tst_address_opcode,
+	&tst_header_opcode,
+	&tst_exists_opcode,
+	&tst_size_over_opcode,
+	&tst_size_under_opcode
 }; 
 
 const unsigned int sieve_opcode_count =
-	(sizeof(sieve_opcodes) / sizeof(sieve_opcodes[0]));
+	N_ELEMENTS(sieve_opcodes);
 
 /* Code dump for core commands */
 
diff --git a/src/lib-sieve/sieve-code.h b/src/lib-sieve/sieve-code.h
index 624aec2878ec7fdeab5476d610c4fb6130d1943c..b2df9bb8347043e99666ba968a4435ab3f9f88dc 100644
--- a/src/lib-sieve/sieve-code.h
+++ b/src/lib-sieve/sieve-code.h
@@ -80,12 +80,12 @@ unsigned int sieve_operand_optional_read
 void sieve_opr_number_emit(struct sieve_binary *sbin, sieve_size_t number);
 bool sieve_opr_number_dump(struct sieve_binary *sbin, sieve_size_t *address); 
 bool sieve_opr_number_read
-  (struct sieve_binary *sbin, sieve_size_t *address, sieve_size_t *number);
+	(struct sieve_binary *sbin, sieve_size_t *address, sieve_size_t *number);
 
 void sieve_opr_string_emit(struct sieve_binary *sbin, string_t *str);
 bool sieve_opr_string_dump(struct sieve_binary *sbin, sieve_size_t *address); 
 bool sieve_opr_string_read
-  (struct sieve_binary *sbin, sieve_size_t *address, string_t **str);
+	(struct sieve_binary *sbin, sieve_size_t *address, string_t **str);
 
 void sieve_opr_stringlist_emit_start
 	(struct sieve_binary *sbin, unsigned int listlen, void **context);
@@ -95,7 +95,7 @@ void sieve_opr_stringlist_emit_end
 	(struct sieve_binary *sbin, void *context);
 bool sieve_opr_stringlist_dump(struct sieve_binary *sbin, sieve_size_t *address);
 struct sieve_coded_stringlist *sieve_opr_stringlist_read
-  (struct sieve_binary *sbin, sieve_size_t *address);
+	(struct sieve_binary *sbin, sieve_size_t *address);
 
 
 /* Opcode: identifies what's to be done */
diff --git a/src/lib-sieve/sieve-commands-private.h b/src/lib-sieve/sieve-commands-private.h
index 36fa6a8d9e3951fe831196a5690d3df26db37e95..9ec96a04580dd18fa9844916c66a7d6b495b67da 100644
--- a/src/lib-sieve/sieve-commands-private.h
+++ b/src/lib-sieve/sieve-commands-private.h
@@ -1,5 +1,5 @@
-#ifndef __SIEVE_COMMANDS_PRIVATE_H__
-#define __SIEVE_COMMANDS_PRIVATE_H__
+#ifndef __SIEVE_COMMANDS_PRIVATE_H
+#define __SIEVE_COMMANDS_PRIVATE_H
 
 #include "sieve-common.h"
 #include "sieve-commands.h"
@@ -75,5 +75,5 @@ extern const unsigned int sieve_core_commands_count;
 extern const struct sieve_command sieve_core_tests[];
 extern const unsigned int sieve_core_tests_count;
 
-#endif /* __SIEVE_COMMANDS_PRIVATE_H__ */
+#endif /* __SIEVE_COMMANDS_PRIVATE_H */
 
diff --git a/src/lib-sieve/sieve-commands.c b/src/lib-sieve/sieve-commands.c
index 73c055b41965ae0d1e0457ebe163f9e649de6deb..44b6772c579969a2a5344c01bb8a46af137d64c1 100644
--- a/src/lib-sieve/sieve-commands.c
+++ b/src/lib-sieve/sieve-commands.c
@@ -119,8 +119,7 @@ const struct sieve_command sieve_core_tests[] = {
 	{ "allof", SCT_TEST, NULL, tst_allof_validate, NULL, tst_allof_generate }
 };
 
-const unsigned int sieve_core_tests_count =
-	(sizeof(sieve_core_tests) / sizeof(sieve_core_tests[0]));
+const unsigned int sieve_core_tests_count = N_ELEMENTS(sieve_core_tests);
 
 const struct sieve_command sieve_core_commands[] = {
 	{ "stop", SCT_COMMAND, NULL, NULL, cmd_stop_generate, NULL },
@@ -133,8 +132,7 @@ const struct sieve_command sieve_core_commands[] = {
 	{ "redirect", SCT_COMMAND, NULL, cmd_redirect_validate, NULL, NULL }
 };
 
-const unsigned int sieve_core_commands_count =
-	(sizeof(sieve_core_commands) / sizeof(sieve_core_commands[0]));
+const unsigned int sieve_core_commands_count = N_ELEMENTS(sieve_core_commands);
 	
 struct sieve_command_context *sieve_command_prev_context	
 	(struct sieve_command_context *context) 
diff --git a/src/lib-sieve/sieve-common.h b/src/lib-sieve/sieve-common.h
index 2937a1b74de85a577a92df843354e5bd10bc0b56..e6ed4eb58e03d91d17b6f965e3857eda3c5c8688 100644
--- a/src/lib-sieve/sieve-common.h
+++ b/src/lib-sieve/sieve-common.h
@@ -1,5 +1,5 @@
-#ifndef __SIEVE_COMMON_H__
-#define __SIEVE_COMMON_H__
+#ifndef __SIEVE_COMMON_H
+#define __SIEVE_COMMON_H
 
 /*
  * Predeclarations
@@ -62,4 +62,4 @@ struct sieve_mail_context {
 	const char *mailbox;
 };
 
-#endif
+#endif /* __SIEVE_COMMON_H */
diff --git a/src/lib-sieve/sieve-comparators.c b/src/lib-sieve/sieve-comparators.c
index 3847df7f2fcac40699af2083860922e0ae271495..7cd416a769224188c60264085c48a3e93a47bf59 100644
--- a/src/lib-sieve/sieve-comparators.c
+++ b/src/lib-sieve/sieve-comparators.c
@@ -332,7 +332,7 @@ const struct sieve_comparator *sieve_core_comparators[] = {
 };
 
 const unsigned int sieve_core_comparators_count =
-	(sizeof(sieve_core_comparators) / sizeof(sieve_core_comparators[0]));
+	N_ELEMENTS(sieve_core_comparators);
 
 static int cmp_i_octet_compare(const void *val1, size_t val1_size, 
 	const void *val2, size_t val2_size)
diff --git a/src/lib-sieve/sieve-error.c b/src/lib-sieve/sieve-error.c
index 8228c05c743f7fbb4aa342e457fdc33e67ef01f6..ba0207fdfed31d613d87073f4b9a0c65d0ce318e 100644
--- a/src/lib-sieve/sieve-error.c
+++ b/src/lib-sieve/sieve-error.c
@@ -45,10 +45,10 @@ void sieve_verror(struct sieve_error_handler *ehandler, unsigned int line, const
 	/* FIXME: This seems cumbersome.. */
 	t_push();
 	nfmt = t_strdup_printf("%d: error: %s.\n", line, fmt);
-  vprintf(nfmt, args);
-  t_pop();
+	vprintf(nfmt, args);
+ 	t_pop();
   
-  ehandler->errors++;
+	ehandler->errors++;
 }
 
 void sieve_vwarning(struct sieve_error_handler *ehandler, unsigned int line, const char *fmt, va_list args) 
@@ -58,10 +58,10 @@ void sieve_vwarning(struct sieve_error_handler *ehandler, unsigned int line, con
 	/* FIXME: This seems cumbersome.. */
 	t_push();
 	nfmt = t_strdup_printf("%d: warning: %s.\n", line, fmt);
-  vprintf(nfmt, args);
-  t_pop();
+	vprintf(nfmt, args);
+	t_pop();
   
-  ehandler->warnings++;
+	ehandler->warnings++;
 }
 
 unsigned int sieve_get_errors(struct sieve_error_handler *ehandler) {
diff --git a/src/lib-sieve/sieve-error.h b/src/lib-sieve/sieve-error.h
index 914be6916b2b3bdb6a8b57838399b1f3de610077..0430f34482beaf8523e559215cb646c2360eb0f3 100644
--- a/src/lib-sieve/sieve-error.h
+++ b/src/lib-sieve/sieve-error.h
@@ -1,5 +1,5 @@
-#ifndef __SIEVE_ERROR_H__
-#define __SIEVE_ERROR_H__
+#ifndef __SIEVE_ERROR_H
+#define __SIEVE_ERROR_H
 
 #include <stdarg.h>
 
@@ -18,4 +18,4 @@ unsigned int sieve_get_warnings(struct sieve_error_handler *ehandler);
 
 struct sieve_error_handler *sieve_error_handler_create();
 
-#endif /* __SIEVE_ERROR_H__ */
+#endif /* __SIEVE_ERROR_H */
diff --git a/src/lib-sieve/sieve-extensions.c b/src/lib-sieve/sieve-extensions.c
index 7b7580c4ff4d0f31c7165778d3b73214caaec2ae..438d02b54a3a3b964d9364a96529967a1762cd0b 100644
--- a/src/lib-sieve/sieve-extensions.c
+++ b/src/lib-sieve/sieve-extensions.c
@@ -31,7 +31,7 @@ const struct sieve_extension *sieve_core_extensions[] = {
 };
 
 const unsigned int sieve_core_extensions_count =
-	(sizeof(sieve_core_extensions) / sizeof(sieve_core_extensions[0]));
+	N_ELEMENTS(sieve_core_extensions);
 
 /* Extension state */
 
@@ -129,19 +129,19 @@ int sieve_extension_get_by_name(const char *name, const struct sieve_extension *
 		    
 	*ext = ereg->extension;
 	
-  return ereg->id;
+	return ereg->id;
 }
 
 int sieve_extension_get_id(const struct sieve_extension *extension) 
 {
-  struct sieve_extension_registration *ereg = 
-    (struct sieve_extension_registration *) 
-    	hash_lookup(extension_index, extension->name);
+	struct sieve_extension_registration *ereg = 
+		(struct sieve_extension_registration *) 
+			hash_lookup(extension_index, extension->name);
 
 	if ( ereg == NULL )
 		return -1;
 		    
-  return ereg->id;
+	return ereg->id;
 }
 
 static void sieve_extensions_deinit_registry() 
diff --git a/src/lib-sieve/sieve-generator.h b/src/lib-sieve/sieve-generator.h
index 8aaa894bbc89be7ddd1cbb3e3a32c8b91ed86446..47606e85393fc4bcedf18d3065cf852ac74da6c0 100644
--- a/src/lib-sieve/sieve-generator.h
+++ b/src/lib-sieve/sieve-generator.h
@@ -1,5 +1,5 @@
-#ifndef __SIEVE_GENERATOR_H__
-#define __SIEVE_GENERATOR_H__
+#ifndef __SIEVE_GENERATOR_H
+#define __SIEVE_GENERATOR_H
 
 #include "sieve-ast.h"
 #include "sieve-code.h"
@@ -62,5 +62,5 @@ bool sieve_generate_test(struct sieve_generator *generator, struct sieve_ast_nod
 	struct sieve_jumplist *jlist, bool jump_true);
 struct sieve_binary *sieve_generator_run(struct sieve_generator *genarator);
 
-#endif
+#endif /* __SIEVE_GENERATOR_H */
 
diff --git a/src/lib-sieve/sieve-interpreter.c b/src/lib-sieve/sieve-interpreter.c
index a23d67f84099b74afab4f3b8530eeb572c8d4409..e323bc14fc0bd6f7eb704e48d3dfe4cd52b3adc9 100644
--- a/src/lib-sieve/sieve-interpreter.c
+++ b/src/lib-sieve/sieve-interpreter.c
@@ -159,9 +159,9 @@ bool sieve_stringlist_match
 	while ( sieve_coded_stringlist_next_item(key_list, &key_item) && key_item != NULL ) {
 		if ( cmp->compare(value, strlen(value), str_c(key_item), str_len(key_item)) == 0 )
 			return TRUE;  
-  }
+	}
   
-  return FALSE;
+	return FALSE;
 }
  
 /* Code Dump */
diff --git a/src/lib-sieve/sieve-interpreter.h b/src/lib-sieve/sieve-interpreter.h
index 0898a708766fc6585f443fd9dcfc6059f867fdae..de07dd19adbe4fa89100666953b9c5f138139964 100644
--- a/src/lib-sieve/sieve-interpreter.h
+++ b/src/lib-sieve/sieve-interpreter.h
@@ -1,5 +1,5 @@
-#ifndef __SIEVE_INTERPRETER_H__
-#define __SIEVE_INTERPRETER_H__
+#ifndef __SIEVE_INTERPRETER_H
+#define __SIEVE_INTERPRETER_H
 
 #include "lib.h"
 #include "array.h"
@@ -61,4 +61,4 @@ struct sieve_result *sieve_interpreter_run
 	(struct sieve_interpreter *interp, struct mail *mail);
 
 
-#endif
+#endif /* __SIEVE_INTERPRETER_H */
diff --git a/src/lib-sieve/sieve-lexer.c b/src/lib-sieve/sieve-lexer.c
index 4b08cc1b4efa738a763cc57a1324728d9566d6ff..7f34918e4f36767bba67fa390f1c41e63cc81d85 100644
--- a/src/lib-sieve/sieve-lexer.c
+++ b/src/lib-sieve/sieve-lexer.c
@@ -91,7 +91,7 @@ static __inline__ int sieve_lexer_curchar(struct sieve_lexer *lexer) {
 	if ( lexer->buffer == NULL )
 		return -1;
 	
-  return lexer->buffer[lexer->buffer_pos];
+	return lexer->buffer[lexer->buffer_pos];
 }
 
 const char *sieve_lexer_token_string(struct sieve_lexer *lexer) 
@@ -157,17 +157,17 @@ void sieve_lexer_print_token(struct sieve_lexer *lexer)
 	}
 }
 
-__inline__ enum sieve_token_type sieve_lexer_current_token(struct sieve_lexer *lexer) {
+inline enum sieve_token_type sieve_lexer_current_token(struct sieve_lexer *lexer) {
 	return lexer->token_type;
 }
 
-__inline__ const string_t *sieve_lexer_token_str(struct sieve_lexer *lexer) {
+inline const string_t *sieve_lexer_token_str(struct sieve_lexer *lexer) {
 	i_assert(	lexer->token_type == STT_STRING );
 		
 	return lexer->token_str_value;
 }
 
-__inline__ const char *sieve_lexer_token_ident(struct sieve_lexer *lexer) {
+inline const char *sieve_lexer_token_ident(struct sieve_lexer *lexer) {
 	i_assert(
 		lexer->token_type == STT_TAG ||
 		lexer->token_type == STT_IDENTIFIER);
@@ -175,17 +175,17 @@ __inline__ const char *sieve_lexer_token_ident(struct sieve_lexer *lexer) {
 	return str_c(lexer->token_str_value);
 }
 
-__inline__ int sieve_lexer_token_int(struct sieve_lexer *lexer) {
+inline int sieve_lexer_token_int(struct sieve_lexer *lexer) {
 	i_assert(lexer->token_type == STT_NUMBER);
 		
 	return lexer->token_int_value;
 }
 
-__inline__ bool sieve_lexer_eof(struct sieve_lexer *lexer) {
+inline bool sieve_lexer_eof(struct sieve_lexer *lexer) {
 	return lexer->token_type == STT_EOF;
 }
 
-__inline__ int sieve_lexer_current_line(struct sieve_lexer *lexer) {
+inline int sieve_lexer_current_line(struct sieve_lexer *lexer) {
 	return lexer->current_line;
 }
 
@@ -246,13 +246,17 @@ bool sieve_lexer_scan_raw_token(struct sieve_lexer *lexer)
 						return TRUE;
 						
 					} else if ( sieve_lexer_curchar(lexer) == -1 ) {
-						sieve_lexer_error(lexer, "end of file before end of bracket comment ('/* ... */') started at line %d", start_line);
+						sieve_lexer_error(lexer, 
+							"end of file before end of bracket comment ('/* ... */') "
+							"started at line %d", start_line);
 						lexer->token_type = STT_ERROR;
 						return FALSE;
 					}
 
 				} else if ( sieve_lexer_curchar(lexer) == -1 ) {
-					sieve_lexer_error(lexer, "end of file before end of bracket comment ('/* ... */') started at line %d", start_line);
+					sieve_lexer_error(lexer, 
+						"end of file before end of bracket comment ('/* ... */') "
+						"started at line %d", start_line);
 					lexer->token_type = STT_ERROR;
 					return FALSE;
 					
@@ -295,7 +299,9 @@ bool sieve_lexer_scan_raw_token(struct sieve_lexer *lexer)
 		
 		while ( sieve_lexer_curchar(lexer) != '"' ) {
 			if ( sieve_lexer_curchar(lexer) == -1 ) {
-				sieve_lexer_error(lexer, "end of file before end of quoted string started at line %d", start_line);
+				sieve_lexer_error(lexer, 
+					"end of file before end of quoted string "
+					"started at line %d", start_line);
 				lexer->token_type = STT_ERROR;
 				return FALSE;
 			}
@@ -355,150 +361,151 @@ bool sieve_lexer_scan_raw_token(struct sieve_lexer *lexer)
 		/* number */
 		if ( IS_DIGIT(sieve_lexer_curchar(lexer)) ) {
 			int value = DIGIT_VAL(sieve_lexer_curchar(lexer));
-  		sieve_lexer_shift(lexer);
+			sieve_lexer_shift(lexer);
   		
-  		while ( IS_DIGIT(sieve_lexer_curchar(lexer)) ) {
-  			value = value * 10 + DIGIT_VAL(sieve_lexer_curchar(lexer));
-  			sieve_lexer_shift(lexer);
-  		}
+			while ( IS_DIGIT(sieve_lexer_curchar(lexer)) ) {
+				value = value * 10 + DIGIT_VAL(sieve_lexer_curchar(lexer));
+				sieve_lexer_shift(lexer);
+ 			}
   		
-  		switch ( sieve_lexer_curchar(lexer) ) { 
-  		case 'K': /* Kilo */
-  			value *= 1024;
-	  		sieve_lexer_shift(lexer);
-	  		break; 
-	  	case 'M': /* Mega */
-	  		value *= 1024*1024;
-	  		sieve_lexer_shift(lexer);
-	  		break;
-	  	case 'G': /* Giga */
-	  		value *= 1024*1024*1024;
-	  		sieve_lexer_shift(lexer);
-	  		break;
-	  	default:
-	  		/* Next token */
-	  		break;
-	  	}
+			switch ( sieve_lexer_curchar(lexer) ) { 
+			case 'K': /* Kilo */
+				value *= 1024;
+				sieve_lexer_shift(lexer);
+				break; 
+			case 'M': /* Mega */
+				value *= 1024*1024;
+				sieve_lexer_shift(lexer);
+				break;
+			case 'G': /* Giga */
+				value *= 1024*1024*1024;
+				sieve_lexer_shift(lexer);
+				break;
+			default:
+				/* Next token */
+				break;
+			}
   	
-  		lexer->token_type = STT_NUMBER;
-  		lexer->token_int_value = value;
-  		return TRUE;	
+			lexer->token_type = STT_NUMBER;
+			lexer->token_int_value = value;
+			return TRUE;	
   		
-  	/* identifier / tag */	
-  	} else if ( IS_ALPHA(sieve_lexer_curchar(lexer)) ||
-  		sieve_lexer_curchar(lexer) == '_' || 
-  		sieve_lexer_curchar(lexer) == ':' ) {
+		/* identifier / tag */	
+		} else if ( IS_ALPHA(sieve_lexer_curchar(lexer)) ||
+			sieve_lexer_curchar(lexer) == '_' || 
+			sieve_lexer_curchar(lexer) == ':' ) {
   		
-  		enum sieve_token_type type = STT_IDENTIFIER;
-  		str = str_new(lexer->pool, 16);
-  		lexer->token_str_value = str;
+			enum sieve_token_type type = STT_IDENTIFIER;
+			str = str_new(lexer->pool, 16);
+			lexer->token_str_value = str;
   		
-  		/* If it starts with a ':' it is a tag and not an identifier */
-  		if ( sieve_lexer_curchar(lexer) == ':' ) {
-  			sieve_lexer_shift(lexer); // discard colon
-  			type = STT_TAG;
+			/* If it starts with a ':' it is a tag and not an identifier */
+ 			if ( sieve_lexer_curchar(lexer) == ':' ) {
+				sieve_lexer_shift(lexer); // discard colon
+				type = STT_TAG;
   			
-  			/* First character still can't be a DIGIT */
-  			if ( IS_ALPHA(sieve_lexer_curchar(lexer)) ||
-  				sieve_lexer_curchar(lexer) == '_' ) { 
-  				str_append_c(str, sieve_lexer_curchar(lexer));
-  				sieve_lexer_shift(lexer);
-  			} else {
-  				/* Hmm, otherwise it is just a spurious colon */
-  				lexer->token_type = STT_COLON;
-  				return TRUE;
-  			}
-  		} else {
-  			str_append_c(str, sieve_lexer_curchar(lexer));
-  			sieve_lexer_shift(lexer);
-  		}
+				/* First character still can't be a DIGIT */
+ 				if ( IS_ALPHA(sieve_lexer_curchar(lexer)) ||
+					sieve_lexer_curchar(lexer) == '_' ) { 
+					str_append_c(str, sieve_lexer_curchar(lexer));
+					sieve_lexer_shift(lexer);
+				} else {
+					/* Hmm, otherwise it is just a spurious colon */
+					lexer->token_type = STT_COLON;
+					return TRUE;
+				}
+			} else {
+				str_append_c(str, sieve_lexer_curchar(lexer));
+				sieve_lexer_shift(lexer);
+			}
   		
-  		/* Scan the rest of the identifier */
-  		while ( IS_ALPHA(sieve_lexer_curchar(lexer)) ||
-  			IS_ALPHA(sieve_lexer_curchar(lexer)) ||
-  			sieve_lexer_curchar(lexer) == '_' ) {
-  			str_append_c(str, sieve_lexer_curchar(lexer));
-  			sieve_lexer_shift(lexer);
-  		}
+			/* Scan the rest of the identifier */
+			while ( IS_ALPHA(sieve_lexer_curchar(lexer)) ||
+				IS_ALPHA(sieve_lexer_curchar(lexer)) ||
+				sieve_lexer_curchar(lexer) == '_' ) {
+ 				str_append_c(str, sieve_lexer_curchar(lexer));
+				sieve_lexer_shift(lexer);
+			}
   			
-  		/* Is this in fact a multiline text string ? */
-  		if ( sieve_lexer_curchar(lexer) == ':' &&
-  			type == STT_IDENTIFIER && str_len(str) == 4 &&
-  			strncasecmp(str_c(str), "text", 4) == 0 ) {
-  			sieve_lexer_shift(lexer); // discard colon
+			/* Is this in fact a multiline text string ? */
+			if ( sieve_lexer_curchar(lexer) == ':' &&
+				type == STT_IDENTIFIER && str_len(str) == 4 &&
+				strncasecmp(str_c(str), "text", 4) == 0 ) {
+				sieve_lexer_shift(lexer); // discard colon
   			
-  			/* Discard SP and HTAB whitespace */
-  			while ( sieve_lexer_curchar(lexer) == ' ' || 
-  				sieve_lexer_curchar(lexer) == '\t' )
-  				sieve_lexer_shift(lexer);
+				/* Discard SP and HTAB whitespace */
+				while ( sieve_lexer_curchar(lexer) == ' ' || 
+					sieve_lexer_curchar(lexer) == '\t' )
+ 					sieve_lexer_shift(lexer);
   				
-  			/* Discard hash comment or handle single CRLF */
-  			if ( sieve_lexer_curchar(lexer) == '#' ) {
-  				while ( sieve_lexer_curchar(lexer) != '\n' )
-  					sieve_lexer_shift(lexer);
-  			} else if ( sieve_lexer_curchar(lexer) == '\r' ) {
-  				sieve_lexer_shift(lexer);
-  			}
+				/* Discard hash comment or handle single CRLF */
+				if ( sieve_lexer_curchar(lexer) == '#' ) {
+					while ( sieve_lexer_curchar(lexer) != '\n' )
+						sieve_lexer_shift(lexer);
+				} else if ( sieve_lexer_curchar(lexer) == '\r' ) {
+					sieve_lexer_shift(lexer);
+				}
   			
-  			/* Terminating LF required */
-  			if ( sieve_lexer_curchar(lexer) == '\n' ) {
-  				sieve_lexer_shift(lexer);
-  			} else {
-  				if ( sieve_lexer_curchar(lexer) == -1 ) {
-  					sieve_lexer_error(lexer, "end of file before end of multi-line string");
-  				} else {
-  					sieve_lexer_error(lexer, "invalid character '%c' after 'text:' in multiline string",
-  						sieve_lexer_curchar(lexer));
-  				}
-  				lexer->token_type = STT_ERROR;
-  				return FALSE;
-  			}
+				/* Terminating LF required */
+ 				if ( sieve_lexer_curchar(lexer) == '\n' ) {
+					sieve_lexer_shift(lexer);
+				} else {
+					if ( sieve_lexer_curchar(lexer) == -1 ) {
+						sieve_lexer_error(lexer, "end of file before end of multi-line string");
+					} else {
+ 						sieve_lexer_error(lexer, "invalid character '%c' after 'text:' in multiline string",
+							sieve_lexer_curchar(lexer));
+					}
+
+					lexer->token_type = STT_ERROR;
+					return FALSE;
+				}
   			
-  			/* Start over */
-  			str_truncate(str, 0); 
+				/* Start over */
+				str_truncate(str, 0); 
   			
-  			/* Parse literal lines */
-  			while ( TRUE ) {
-  				/* Remove dot-stuffing or detect end of text */
-  				if ( sieve_lexer_curchar(lexer) == '.' ) {
-  					bool cr_shifted = FALSE;
-  					sieve_lexer_shift(lexer);
+ 				/* Parse literal lines */
+				while ( TRUE ) {
+					/* Remove dot-stuffing or detect end of text */
+					if ( sieve_lexer_curchar(lexer) == '.' ) {
+						bool cr_shifted = FALSE;
+						sieve_lexer_shift(lexer);
   					
-  					/* Check for CRLF */
-  					if ( sieve_lexer_curchar(lexer) == '\r' ) 
-  						sieve_lexer_shift(lexer);
+						/* Check for CRLF */
+						if ( sieve_lexer_curchar(lexer) == '\r' ) 
+							sieve_lexer_shift(lexer);
   				
-  					if ( sieve_lexer_curchar(lexer) == '\n' ) {
-  						sieve_lexer_shift(lexer);
-  						lexer->token_type = STT_STRING;
-  						return TRUE;
-  					} else if ( cr_shifted ) 
-  						str_append_c(str, '\r');  	
-  				}
+						if ( sieve_lexer_curchar(lexer) == '\n' ) {
+							sieve_lexer_shift(lexer);
+							lexer->token_type = STT_STRING;
+							return TRUE;
+						} else if ( cr_shifted ) 
+							str_append_c(str, '\r');  	
+					}
   				
-  				/* Scan the rest of the line */
-  				while ( sieve_lexer_curchar(lexer) != '\n' ) {
-  					if ( sieve_lexer_curchar(lexer) == -1 ) {
-  						sieve_lexer_error(lexer, "end of file before end of multi-line string");
-  						lexer->token_type = STT_ERROR;
-  						return FALSE;
-  					}
+					/* Scan the rest of the line */
+					while ( sieve_lexer_curchar(lexer) != '\n' ) {
+						if ( sieve_lexer_curchar(lexer) == -1 ) {
+							sieve_lexer_error(lexer, "end of file before end of multi-line string");
+ 							lexer->token_type = STT_ERROR;
+ 							return FALSE;
+ 						}
   					
-  					str_append_c(str, sieve_lexer_curchar(lexer));
-  					sieve_lexer_shift(lexer);
-  				}
-  				str_append_c(str, '\n');
-  				sieve_lexer_shift(lexer);
-  			}
+						str_append_c(str, sieve_lexer_curchar(lexer));
+						sieve_lexer_shift(lexer);
+					}
+					str_append_c(str, '\n');
+					sieve_lexer_shift(lexer);
+				}
   			
-  			i_unreached();
-  			lexer->token_type = STT_ERROR;
-  			return FALSE;
-  		}
+ 				i_unreached();
+				lexer->token_type = STT_ERROR;
+				return FALSE;
+			}
   			
-  		lexer->token_type = type;
-  		return TRUE;
-  	}
+			lexer->token_type = type;
+			return TRUE;
+		}
 	
 		/* Error (unknown character and EOF handled already) */
 		if ( lexer->token_type != STT_GARBAGE ) 
diff --git a/src/lib-sieve/sieve-lexer.h b/src/lib-sieve/sieve-lexer.h
index 110268b512edf42af5945eeb2bd867db78a57453..c2f56c3522d0a61db189a3e5115288faa0f0a728 100644
--- a/src/lib-sieve/sieve-lexer.h
+++ b/src/lib-sieve/sieve-lexer.h
@@ -1,40 +1,40 @@
-#ifndef __SIEVE_LEXER_H__
-#define __SIEVE_LEXER_H__
+#ifndef __SIEVE_LEXER_H
+#define __SIEVE_LEXER_H
 
 #include "lib.h"
 
 #include "sieve-error.h"
 
 enum sieve_token_type {
-  STT_NONE,
-  STT_WHITESPACE,
-  STT_EOF,
+	STT_NONE,
+	STT_WHITESPACE,
+	STT_EOF,
   
-  STT_NUMBER,
-  STT_IDENTIFIER,
-  STT_TAG,
-  STT_STRING,
+	STT_NUMBER,
+	STT_IDENTIFIER,
+	STT_TAG,
+	STT_STRING,
   
-  STT_RBRACKET,
-  STT_LBRACKET,
-  STT_RCURLY,
-  STT_LCURLY,
-  STT_RSQUARE,
-  STT_LSQUARE,
-  STT_SEMICOLON,
-  STT_COMMA,
+	STT_RBRACKET,
+	STT_LBRACKET,
+	STT_RCURLY,
+	STT_LCURLY,
+	STT_RSQUARE,
+	STT_LSQUARE,
+	STT_SEMICOLON,
+	STT_COMMA,
   
-  /* These are currently not used in the lexical specification, but a token
-   * is assigned to these to generate proper error messages (these are
-   * technically not garbage and possibly part of mistyped but otherwise
-   * valid tokens).
-   */
-  STT_SLASH, 
-  STT_COLON, 
+	/* These are currently not used in the lexical specification, but a token
+	 * is assigned to these to generate proper error messages (these are
+	 * technically not garbage and possibly part of mistyped but otherwise
+	 * valid tokens).
+	 */
+	STT_SLASH, 
+	STT_COLON, 
   
-  /* Error tokens */
-  STT_GARBAGE, /* Error reporting deferred to parser */ 
-  STT_ERROR    /* Lexer is responsible for error, parser won't report additional errors */
+	/* Error tokens */
+	STT_GARBAGE, /* Error reporting deferred to parser */ 
+	STT_ERROR    /* Lexer is responsible for error, parser won't report additional errors */
 };
 
 struct sieve_token;
@@ -48,11 +48,11 @@ bool sieve_lexer_skip_token(struct sieve_lexer *lexer);
 const char *sieve_lexer_token_string(struct sieve_lexer *lexer);
 void sieve_lexer_print_token(struct sieve_lexer *lexer);
 
-__inline__ enum sieve_token_type sieve_lexer_current_token(struct sieve_lexer *lexer);
-__inline__ const string_t *sieve_lexer_token_str(struct sieve_lexer *lexer);
-__inline__ const char *sieve_lexer_token_ident(struct sieve_lexer *lexer);
-__inline__ int sieve_lexer_token_int(struct sieve_lexer *lexer);
-__inline__ int sieve_lexer_current_line(struct sieve_lexer *lexer);
-__inline__ bool sieve_lexer_eof(struct sieve_lexer *lexer);
+inline enum sieve_token_type sieve_lexer_current_token(struct sieve_lexer *lexer);
+inline const string_t *sieve_lexer_token_str(struct sieve_lexer *lexer);
+inline const char *sieve_lexer_token_ident(struct sieve_lexer *lexer);
+inline int sieve_lexer_token_int(struct sieve_lexer *lexer);
+inline int sieve_lexer_current_line(struct sieve_lexer *lexer);
+inline bool sieve_lexer_eof(struct sieve_lexer *lexer);
 
-#endif /* __SIEVE_LEXER_H__ */
+#endif /* __SIEVE_LEXER_H */
diff --git a/src/lib-sieve/sieve-parser.c b/src/lib-sieve/sieve-parser.c
index 77253862509cd18aa048544ba08580144338b784..5b0638ad49defeb11819f28ef411b6e6b7b09ceb 100644
--- a/src/lib-sieve/sieve-parser.c
+++ b/src/lib-sieve/sieve-parser.c
@@ -16,7 +16,7 @@
 #define SIEVE_READ_BLOCK_SIZE (1024*8)
 
 #define sieve_parser_error(parser, ...) \
-  { \
+	{ \
 		/* Don't report a parse error if the lexer complained already */ \
 		if ( sieve_lexer_current_token(parser->lexer) != STT_ERROR )  \
 			sieve_error(parser->ehandler, sieve_lexer_current_line(parser->lexer), __VA_ARGS__); \
@@ -67,7 +67,7 @@ struct sieve_parser *sieve_parser_create(int fd, struct sieve_ast *ast, struct s
 void sieve_parser_free(struct sieve_parser *parser)
 {
 	if (parser->input != NULL ) 
-	  i_stream_unref(&parser->input);
+		i_stream_unref(&parser->input);
 	  
 	sieve_ast_unref(&parser->ast);
 
@@ -346,7 +346,7 @@ bool sieve_parser_run(struct sieve_parser *parser)
 	sieve_lexer_skip_token(parser->lexer);
 
 	if ( sieve_parse_commands(parser, parser->ast->root) ) { 
-	  if ( sieve_lexer_current_token(parser->lexer) != STT_EOF ) { 
+		if ( sieve_lexer_current_token(parser->lexer) != STT_EOF ) { 
 			sieve_parser_error(parser, "unexpected token %s found at (the presumed) end of file",
 				sieve_lexer_token_string(parser->lexer));
 				
@@ -368,15 +368,15 @@ bool sieve_parser_run(struct sieve_parser *parser)
 
 /* Assign useful names to priorities for readability */ 
 enum sieve_grammatical_prio {
-  SGP_BLOCK = 3,
-  SGP_COMMAND = 2,
-  SGP_TEST_LIST = 1,
-  SGP_STRING_LIST = 0,
+	SGP_BLOCK = 3,
+	SGP_COMMAND = 2,
+	SGP_TEST_LIST = 1,
+	SGP_STRING_LIST = 0,
   
-  SGP_OTHER = -1
+	SGP_OTHER = -1
 };
 
-static __inline__ enum sieve_grammatical_prio __get_token_priority(enum sieve_token_type token) {
+static inline enum sieve_grammatical_prio __get_token_priority(enum sieve_token_type token) {
 	switch ( token ) {
 	case STT_LCURLY:
 	case STT_RCURLY: 
diff --git a/src/lib-sieve/sieve-parser.h b/src/lib-sieve/sieve-parser.h
index 3d94f9564efb4ad60de3b2122f37617004d2638c..ff6901288eb478b2bfd92540c57870f1394241f0 100644
--- a/src/lib-sieve/sieve-parser.h
+++ b/src/lib-sieve/sieve-parser.h
@@ -1,5 +1,5 @@
-#ifndef __SIEVE_PARSER_H__
-#define __SIEVE_PARSER_H__
+#ifndef __SIEVE_PARSER_H
+#define __SIEVE_PARSER_H
 
 #include "lib.h"
 #include "sieve-lexer.h"
@@ -11,4 +11,4 @@ struct sieve_parser *sieve_parser_create(int fd, struct sieve_ast *ast, struct s
 void sieve_parser_free(struct sieve_parser *parser);
 bool sieve_parser_run(struct sieve_parser *parser);
 
-#endif /* __SIEVE_PARSER_H__ */
+#endif /* __SIEVE_PARSER_H */
diff --git a/src/lib-sieve/sieve-validator.h b/src/lib-sieve/sieve-validator.h
index dab6892d53cea5ff865a71fc3c77618f4d11772f..f980b6dea249a93c85241964c49ae5280fec55b6 100644
--- a/src/lib-sieve/sieve-validator.h
+++ b/src/lib-sieve/sieve-validator.h
@@ -1,5 +1,5 @@
-#ifndef __SIEVE_VALIDATOR_H__
-#define __SIEVE_VALIDATOR_H__
+#ifndef __SIEVE_VALIDATOR_H
+#define __SIEVE_VALIDATOR_H
 
 #include "lib.h"
 
@@ -56,4 +56,4 @@ int sieve_validator_extension_load
 inline void sieve_validator_extension_set_context(struct sieve_validator *validator, int ext_id, void *context);
 inline const void *sieve_validator_extension_get_context(struct sieve_validator *validator, int ext_id);
 
-#endif /* __SIEVE_VALIDATOR_H__ */
+#endif /* __SIEVE_VALIDATOR_H */