btrfs-progs: add function attributes for the printf-like

Reported by gcc -Wsuggest-attribute=format .

Signed-off-by: David Sterba <dsterba@suse.com>
master
David Sterba 2016-01-12 14:25:23 +01:00
parent f9ae914756
commit 407f928cd2
2 changed files with 5 additions and 0 deletions

View File

@ -69,6 +69,7 @@ char *table_vprintf(struct string_table *tab, int column, int row,
* This function is like a printf, but store the results in a cell of
* the table.
*/
__attribute__ ((format (printf, 4, 5)))
char *table_printf(struct string_table *tab, int column, int row,
char *fmt, ...)
{

View File

@ -276,6 +276,7 @@ const char *get_argv0_buf(void);
unsigned int get_unit_mode_from_arg(int *argc, char *argv[], int df_mode);
int string_is_numerical(const char *str);
__attribute__ ((format (printf, 1, 2)))
static inline void warning(const char *fmt, ...)
{
va_list args;
@ -287,6 +288,7 @@ static inline void warning(const char *fmt, ...)
fputc('\n', stderr);
}
__attribute__ ((format (printf, 1, 2)))
static inline void error(const char *fmt, ...)
{
va_list args;
@ -298,6 +300,7 @@ static inline void error(const char *fmt, ...)
fputc('\n', stderr);
}
__attribute__ ((format (printf, 2, 3)))
static inline int warning_on(int condition, const char *fmt, ...)
{
va_list args;
@ -314,6 +317,7 @@ static inline int warning_on(int condition, const char *fmt, ...)
return 1;
}
__attribute__ ((format (printf, 2, 3)))
static inline int error_on(int condition, const char *fmt, ...)
{
va_list args;