*: apply proper format string attributes

So that we get warnings about broken format strings.

Signed-off-by: David Lamparter <equinox@opensourcerouting.org>

bfdd/bfd_packet.c

@@ -746,6 +746,7 @@ static void bfd_sd_reschedule(struct bfd_vrf_global *bvrf, int sd)
 	}
 }
 
+PRINTFRR(6, 7)
 static void cp_debug(bool mhop, struct sockaddr_any *peer,
 		     struct sockaddr_any *local, ifindex_t ifindex,
 		     vrf_id_t vrfid, const char *fmt, ...)

bfdd/ptm_adapter.c

@@ -81,6 +81,7 @@ static void bfdd_client_deregister(struct stream *msg);
 /*
  * Functions
  */
+PRINTFRR(2, 3)
 static void debug_printbpc(const struct bfd_peer_cfg *bpc, const char *fmt, ...)
 {
 	char timers[3][128] = {};

bgpd/rfapi/rfapi_vty.c

@@ -322,6 +322,7 @@ int rfapiDebugPrintf(void *dummy, const char *format, ...)
 	return 0;
 }
 
+PRINTFRR(2, 3)
 static int rfapiStdioPrintf(void *stream, const char *format, ...)
 {
 	FILE *file = NULL;

lib/clippy.c

@@ -108,6 +108,7 @@ int main(int argc, char **argv)
 
 #include "log.h"
 
+PRINTFRR(3, 0)
 void vzlogx(const struct xref_logmsg *xref, int prio,
 	    const char *format, va_list args)
 {

lib/ferr.c

@@ -219,6 +219,7 @@ ferr_r ferr_clear(void)
 	return ferr_ok();
 }
 
+PRINTFRR(7, 0)
 static ferr_r ferr_set_va(const char *file, int line, const char *func,
 			  enum ferr_kind kind, const char *pathname,
 			  int errno_val, const char *text, va_list va)

lib/ferr.h

@@ -178,10 +178,12 @@ ferr_r ferr_clear(void);
 
 /* do NOT call these functions directly.  only for macro use! */
 ferr_r ferr_set_internal(const char *file, int line, const char *func,
-			 enum ferr_kind kind, const char *text, ...);
+			 enum ferr_kind kind, const char *text, ...)
+	PRINTFRR(5, 6);
 ferr_r ferr_set_internal_ext(const char *file, int line, const char *func,
 			     enum ferr_kind kind, const char *pathname,
-			     int errno_val, const char *text, ...);
+			     int errno_val, const char *text, ...)
+	PRINTFRR(7, 8);
 
 #define ferr_ok() 0
 
@@ -221,7 +223,8 @@ ferr_r ferr_set_internal_ext(const char *file, int line, const char *func,
 
 #include "vty.h"
 /* print error message to vty;  $ERR is replaced by the error's message */
-void vty_print_error(struct vty *vty, ferr_r err, const char *msg, ...);
+void vty_print_error(struct vty *vty, ferr_r err, const char *msg, ...)
+	PRINTFRR(3, 4);
 
 #define CMD_FERR_DO(func, action, ...)                                         \
 	do {                                                                   \

lib/northbound_cli.h

@@ -71,7 +71,8 @@ extern void nb_cli_enqueue_change(struct vty *vty, const char *xpath,
  *    CMD_SUCCESS on success, CMD_WARNING_CONFIG_FAILED otherwise.
  */
 extern int nb_cli_apply_changes_clear_pending(struct vty *vty,
-					      const char *xpath_base_fmt, ...);
+					      const char *xpath_base_fmt, ...)
+	PRINTFRR(2, 3);
 
 /*
  * Apply enqueued changes to the candidate configuration, this function
@@ -89,7 +90,7 @@ extern int nb_cli_apply_changes_clear_pending(struct vty *vty,
  *    CMD_SUCCESS on success, CMD_WARNING_CONFIG_FAILED otherwise.
  */
 extern int nb_cli_apply_changes(struct vty *vty, const char *xpath_base_fmt,
-				...);
+				...) PRINTFRR(2, 3);
 
 /*
  * Execute a YANG RPC or Action.

lib/termtable.c

@@ -130,6 +130,7 @@ struct ttable *ttable_new(const struct ttable_style *style)
  *
  * @return pointer to the first cell of allocated row
  */
+PRINTFRR(3, 0)
 static struct ttable_cell *ttable_insert_row_va(struct ttable *tt, int i,
 						const char *format, va_list ap)
 {

lib/yang.h

@@ -331,7 +331,8 @@ extern void yang_dnode_get_path(const struct lyd_node *dnode, char *xpath,
  *    Schema name of the libyang data node.
  */
 extern const char *yang_dnode_get_schema_name(const struct lyd_node *dnode,
-					      const char *xpath_fmt, ...);
+					      const char *xpath_fmt, ...)
+	PRINTFRR(2, 3);
 
 /*
  * Find a libyang data node by its YANG data path.
@@ -366,7 +367,8 @@ extern struct lyd_node *yang_dnode_get(const struct lyd_node *dnode,
  *    The libyang data node if found, or NULL if not found.
  */
 extern struct lyd_node *yang_dnode_getf(const struct lyd_node *dnode,
-					const char *path_fmt, ...);
+					const char *path_fmt, ...)
+	PRINTFRR(2, 3);
 
 /*
  * Check if a libyang data node exists.
@@ -400,7 +402,7 @@ extern bool yang_dnode_exists(const struct lyd_node *dnode, const char *xpath);
  *    true if a libyang data node was found, false otherwise.
  */
 extern bool yang_dnode_existsf(const struct lyd_node *dnode,
-			       const char *xpath_fmt, ...);
+			       const char *xpath_fmt, ...) PRINTFRR(2, 3);
 
 /*
  * Iterate over all libyang data nodes that satisfy an XPath query.
@@ -422,7 +424,7 @@ extern bool yang_dnode_existsf(const struct lyd_node *dnode,
  */
 void yang_dnode_iterate(yang_dnode_iter_cb cb, void *arg,
 			const struct lyd_node *dnode, const char *xpath_fmt,
-			...);
+			...) PRINTFRR(4, 5);
 
 /*
  * Check if the libyang data node contains a default value. Non-presence
@@ -459,7 +461,7 @@ extern bool yang_dnode_is_default(const struct lyd_node *dnode,
  *    true if the data node contains the default value, false otherwise.
  */
 extern bool yang_dnode_is_defaultf(const struct lyd_node *dnode,
-				   const char *xpath_fmt, ...);
+				   const char *xpath_fmt, ...) PRINTFRR(2, 3);
 
 /*
  * Check if the libyang data node and all of its children contain default
@@ -566,7 +568,8 @@ extern struct list *yang_data_list_new(void);
  *    Pointer to yang_data if found, NULL otherwise.
  */
 extern struct yang_data *yang_data_list_find(const struct list *list,
-					     const char *xpath_fmt, ...);
+					     const char *xpath_fmt, ...)
+	PRINTFRR(2, 3);
 
 /*
  * Create and set up a libyang context (for use by the translator)

lib/yang_wrappers.c

@@ -58,6 +58,7 @@
 		}                                                              \
 	} while (0)
 
+PRINTFRR(2, 0)
 static inline const char *
 yang_dnode_xpath_get_canon(const struct lyd_node *dnode, const char *xpath_fmt,
 			   va_list ap)
@@ -75,6 +76,7 @@ yang_dnode_xpath_get_canon(const struct lyd_node *dnode, const char *xpath_fmt,
 	return lyd_get_value(&__dleaf->node);
 }
 
+PRINTFRR(2, 0)
 static inline const struct lyd_value *
 yang_dnode_xpath_get_value(const struct lyd_node *dnode, const char *xpath_fmt,
 			   va_list ap)

lib/yang_wrappers.h

@@ -30,105 +30,120 @@ extern "C" {
 extern bool yang_str2bool(const char *value);
 extern struct yang_data *yang_data_new_bool(const char *xpath, bool value);
 extern bool yang_dnode_get_bool(const struct lyd_node *dnode,
-				const char *xpath_fmt, ...);
+				const char *xpath_fmt, ...) PRINTFRR(2, 3);
-extern bool yang_get_default_bool(const char *xpath_fmt, ...);
+extern bool yang_get_default_bool(const char *xpath_fmt, ...) PRINTFRR(1, 2);
 
 /* dec64 */
 extern double yang_str2dec64(const char *xpath, const char *value);
 extern struct yang_data *yang_data_new_dec64(const char *xpath, double value);
 extern double yang_dnode_get_dec64(const struct lyd_node *dnode,
-				   const char *xpath_fmt, ...);
+				   const char *xpath_fmt, ...) PRINTFRR(2, 3);
-extern double yang_get_default_dec64(const char *xpath_fmt, ...);
+extern double yang_get_default_dec64(const char *xpath_fmt, ...) PRINTFRR(1, 2);
 
 /* enum */
 extern int yang_str2enum(const char *xpath, const char *value);
 extern struct yang_data *yang_data_new_enum(const char *xpath, int value);
 extern int yang_dnode_get_enum(const struct lyd_node *dnode,
-			       const char *xpath_fmt, ...);
+			       const char *xpath_fmt, ...) PRINTFRR(2, 3);
-extern int yang_get_default_enum(const char *xpath_fmt, ...);
+extern int yang_get_default_enum(const char *xpath_fmt, ...) PRINTFRR(1, 2);
 
 /* int8 */
 extern int8_t yang_str2int8(const char *value);
 extern struct yang_data *yang_data_new_int8(const char *xpath, int8_t value);
 extern int8_t yang_dnode_get_int8(const struct lyd_node *dnode,
-				  const char *xpath_fmt, ...);
+				  const char *xpath_fmt, ...) PRINTFRR(2, 3);
-extern int8_t yang_get_default_int8(const char *xpath_fmt, ...);
+extern int8_t yang_get_default_int8(const char *xpath_fmt, ...) PRINTFRR(1, 2);
 
 /* int16 */
 extern int16_t yang_str2int16(const char *value);
 extern struct yang_data *yang_data_new_int16(const char *xpath, int16_t value);
 extern int16_t yang_dnode_get_int16(const struct lyd_node *dnode,
-				    const char *xpath_fmt, ...);
+				    const char *xpath_fmt, ...) PRINTFRR(2, 3);
-extern int16_t yang_get_default_int16(const char *xpath_fmt, ...);
+extern int16_t yang_get_default_int16(const char *xpath_fmt, ...)
+	PRINTFRR(1, 2);
 
 /* int32 */
 extern int32_t yang_str2int32(const char *value);
 extern struct yang_data *yang_data_new_int32(const char *xpath, int32_t value);
 extern int32_t yang_dnode_get_int32(const struct lyd_node *dnode,
-				    const char *xpath_fmt, ...);
+				    const char *xpath_fmt, ...) PRINTFRR(2, 3);
-extern int32_t yang_get_default_int32(const char *xpath_fmt, ...);
+extern int32_t yang_get_default_int32(const char *xpath_fmt, ...)
+	PRINTFRR(1, 2);
 
 /* int64 */
 extern int64_t yang_str2int64(const char *value);
 extern struct yang_data *yang_data_new_int64(const char *xpath, int64_t value);
 extern int64_t yang_dnode_get_int64(const struct lyd_node *dnode,
-				    const char *xpath_fmt, ...);
+				    const char *xpath_fmt, ...) PRINTFRR(2, 3);
-extern int64_t yang_get_default_int64(const char *xpath_fmt, ...);
+extern int64_t yang_get_default_int64(const char *xpath_fmt, ...)
+	PRINTFRR(1, 2);
 
 /* uint8 */
 extern uint8_t yang_str2uint8(const char *value);
 extern struct yang_data *yang_data_new_uint8(const char *xpath, uint8_t value);
 extern uint8_t yang_dnode_get_uint8(const struct lyd_node *dnode,
-				    const char *xpath_fmt, ...);
+				    const char *xpath_fmt, ...) PRINTFRR(2, 3);
-extern uint8_t yang_get_default_uint8(const char *xpath_fmt, ...);
+extern uint8_t yang_get_default_uint8(const char *xpath_fmt, ...)
+	PRINTFRR(1, 2);
 
 /* uint16 */
 extern uint16_t yang_str2uint16(const char *value);
 extern struct yang_data *yang_data_new_uint16(const char *xpath,
 					      uint16_t value);
 extern uint16_t yang_dnode_get_uint16(const struct lyd_node *dnode,
-				      const char *xpath_fmt, ...);
+				      const char *xpath_fmt, ...)
-extern uint16_t yang_get_default_uint16(const char *xpath_fmt, ...);
+	PRINTFRR(2, 3);
+extern uint16_t yang_get_default_uint16(const char *xpath_fmt, ...)
+	PRINTFRR(1, 2);
 
 /* uint32 */
 extern uint32_t yang_str2uint32(const char *value);
 extern struct yang_data *yang_data_new_uint32(const char *xpath,
 					      uint32_t value);
 extern uint32_t yang_dnode_get_uint32(const struct lyd_node *dnode,
-				      const char *xpath_fmt, ...);
+				      const char *xpath_fmt, ...)
-extern uint32_t yang_get_default_uint32(const char *xpath_fmt, ...);
+	PRINTFRR(2, 3);
+extern uint32_t yang_get_default_uint32(const char *xpath_fmt, ...)
+	PRINTFRR(1, 2);
 
 /* uint64 */
 extern uint64_t yang_str2uint64(const char *value);
 extern struct yang_data *yang_data_new_uint64(const char *xpath,
 					      uint64_t value);
 extern uint64_t yang_dnode_get_uint64(const struct lyd_node *dnode,
-				      const char *xpath_fmt, ...);
+				      const char *xpath_fmt, ...)
-extern uint64_t yang_get_default_uint64(const char *xpath_fmt, ...);
+	PRINTFRR(2, 3);
+extern uint64_t yang_get_default_uint64(const char *xpath_fmt, ...)
+	PRINTFRR(1, 2);
 
 /* string */
 extern struct yang_data *yang_data_new_string(const char *xpath,
 					      const char *value);
 extern const char *yang_dnode_get_string(const struct lyd_node *dnode,
-					 const char *xpath_fmt, ...);
+					 const char *xpath_fmt, ...)
+	PRINTFRR(2, 3);
 extern void yang_dnode_get_string_buf(char *buf, size_t size,
 				      const struct lyd_node *dnode,
-				      const char *xpath_fmt, ...);
+				      const char *xpath_fmt, ...)
-extern const char *yang_get_default_string(const char *xpath_fmt, ...);
+	PRINTFRR(4, 5);
+extern const char *yang_get_default_string(const char *xpath_fmt, ...)
+	PRINTFRR(1, 2);
 extern void yang_get_default_string_buf(char *buf, size_t size,
-					const char *xpath_fmt, ...);
+					const char *xpath_fmt, ...)
+	PRINTFRR(3, 4);
 
 /* binary */
 extern struct yang_data *yang_data_new_binary(const char *xpath,
 					      const char *value, size_t len);
 extern size_t yang_dnode_get_binary_buf(char *buf, size_t size,
 					const struct lyd_node *dnode,
-					const char *xpath_fmt, ...);
+					const char *xpath_fmt, ...)
+	PRINTFRR(4, 5);
 
 /* empty */
 extern struct yang_data *yang_data_new_empty(const char *xpath);
 extern bool yang_dnode_get_empty(const struct lyd_node *dnode,
-				 const char *xpath_fmt, ...);
+				 const char *xpath_fmt, ...) PRINTFRR(2, 3);
 
 /* ip prefix */
 extern void yang_str2prefix(const char *value, union prefixptr prefix);
@@ -136,9 +151,9 @@ extern struct yang_data *yang_data_new_prefix(const char *xpath,
 					      union prefixconstptr prefix);
 extern void yang_dnode_get_prefix(struct prefix *prefix,
 				  const struct lyd_node *dnode,
-				  const char *xpath_fmt, ...);
+				  const char *xpath_fmt, ...) PRINTFRR(3, 4);
 extern void yang_get_default_prefix(union prefixptr var, const char *xpath_fmt,
-				    ...);
+				    ...) PRINTFRR(2, 3);
 
 /* ipv4 */
 extern void yang_str2ipv4(const char *value, struct in_addr *addr);
@@ -146,9 +161,9 @@ extern struct yang_data *yang_data_new_ipv4(const char *xpath,
 					    const struct in_addr *addr);
 extern void yang_dnode_get_ipv4(struct in_addr *addr,
 				const struct lyd_node *dnode,
-				const char *xpath_fmt, ...);
+				const char *xpath_fmt, ...) PRINTFRR(3, 4);
 extern void yang_get_default_ipv4(struct in_addr *var, const char *xpath_fmt,
-				  ...);
+				  ...) PRINTFRR(2, 3);
 
 /* ipv4p */
 extern void yang_str2ipv4p(const char *value, union prefixptr prefix);
@@ -156,9 +171,9 @@ extern struct yang_data *yang_data_new_ipv4p(const char *xpath,
 					     union prefixconstptr prefix);
 extern void yang_dnode_get_ipv4p(union prefixptr prefix,
 				 const struct lyd_node *dnode,
-				 const char *xpath_fmt, ...);
+				 const char *xpath_fmt, ...) PRINTFRR(3, 4);
 extern void yang_get_default_ipv4p(union prefixptr var, const char *xpath_fmt,
-				   ...);
+				   ...) PRINTFRR(2, 3);
 
 /* ipv6 */
 extern void yang_str2ipv6(const char *value, struct in6_addr *addr);
@@ -166,9 +181,9 @@ extern struct yang_data *yang_data_new_ipv6(const char *xpath,
 					    const struct in6_addr *addr);
 extern void yang_dnode_get_ipv6(struct in6_addr *addr,
 				const struct lyd_node *dnode,
-				const char *xpath_fmt, ...);
+				const char *xpath_fmt, ...) PRINTFRR(3, 4);
 extern void yang_get_default_ipv6(struct in6_addr *var, const char *xpath_fmt,
-				  ...);
+				  ...) PRINTFRR(2, 3);
 
 /* ipv6p */
 extern void yang_str2ipv6p(const char *value, union prefixptr prefix);
@@ -176,17 +191,18 @@ extern struct yang_data *yang_data_new_ipv6p(const char *xpath,
 					     union prefixconstptr prefix);
 extern void yang_dnode_get_ipv6p(union prefixptr prefix,
 				 const struct lyd_node *dnode,
-				 const char *xpath_fmt, ...);
+				 const char *xpath_fmt, ...) PRINTFRR(3, 4);
 extern void yang_get_default_ipv6p(union prefixptr var, const char *xpath_fmt,
-				   ...);
+				   ...) PRINTFRR(2, 3);
 
 /* ip */
 extern void yang_str2ip(const char *value, struct ipaddr *addr);
 extern struct yang_data *yang_data_new_ip(const char *xpath,
 					  const struct ipaddr *addr);
 extern void yang_dnode_get_ip(struct ipaddr *addr, const struct lyd_node *dnode,
-			      const char *xpath_fmt, ...);
+			      const char *xpath_fmt, ...) PRINTFRR(3, 4);
-extern void yang_get_default_ip(struct ipaddr *var, const char *xpath_fmt, ...);
+extern void yang_get_default_ip(struct ipaddr *var, const char *xpath_fmt, ...)
+	PRINTFRR(2, 3);
 
 /* mac */
 extern struct yang_data *yang_data_new_mac(const char *xpath,

pathd/path_pcep_lib.c

@@ -38,7 +38,8 @@ DEFINE_MTYPE_STATIC(PATHD, PCEPLIB_MESSAGES, "PCEPlib PCEP Messages");
 #define MAX_PATH_NAME_SIZE 255
 
 /* pceplib logging callback */
-static int pceplib_logging_cb(int level, const char *fmt, va_list args);
+static int pceplib_logging_cb(int level, const char *fmt, va_list args)
+	PRINTFRR(2, 0);
 
 /* Socket callbacks */
 static int pcep_lib_pceplib_socket_read_cb(void *fpt, void **thread, int fd,

pceplib/pcep_utils_logging.c

@@ -27,10 +27,12 @@
 
 #include <stdarg.h>
 #include <stdio.h>
+#include "compiler.h"
 #include "pcep_utils_logging.h"
 
 /* Forward declaration */
-int pcep_stdout_logger(int priority, const char *format, va_list args);
+int pcep_stdout_logger(int priority, const char *format, va_list args)
+	PRINTFRR(2, 0);
 
 static pcep_logger_func logger_func = pcep_stdout_logger;
 static int logging_level_ = LOG_INFO;