m4: add annotations to various functions

Explain to the compiler that several functions are either noreturn or
take printf like arguments

Discussed with:	swildner@DragonFlyBSD.org
This commit is contained in:
eadler 2018-01-24 07:01:44 +00:00
parent 499b3d00ca
commit a58feed538

View File

@ -105,16 +105,16 @@ extern void pbnumbase(int, int, int);
extern void pbunsigned(unsigned long);
extern void pbstr(const char *);
extern void pushback(int);
extern void *xalloc(size_t, const char *, ...);
extern void *xcalloc(size_t, size_t, const char *, ...);
extern void *xrealloc(void *, size_t, const char *, ...);
extern void *xreallocarray(void *, size_t, size_t, const char *, ...);
extern void *xalloc(size_t, const char *, ...) __printf0like(2, 3);
extern void *xcalloc(size_t, size_t, const char *, ...) __printf0like(3, 4);
extern void *xrealloc(void *, size_t, const char *, ...) __printf0like(3, 4);
extern void *xreallocarray(void *, size_t, size_t, const char *, ...) __printf0like(4, 5);
extern char *xstrdup(const char *);
extern void usage(void);
extern void resizedivs(int);
extern size_t buffer_mark(void);
extern void dump_buffer(FILE *, size_t);
extern void m4errx(int, const char *, ...);
extern void m4errx(int, const char *, ...) __dead2 __printf0like(2, 3);
extern int obtain_char(struct input_file *);
extern void set_input(struct input_file *, FILE *, const char *);