From 53362abb8e7d4601666225ad8ddc6f878a884406 Mon Sep 17 00:00:00 2001 From: Eitan Adler Date: Wed, 24 Jan 2018 07:01:44 +0000 Subject: [PATCH] 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 --- usr.bin/m4/extern.h | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/usr.bin/m4/extern.h b/usr.bin/m4/extern.h index 165f57387bb..7e994cc301a 100644 --- a/usr.bin/m4/extern.h +++ b/usr.bin/m4/extern.h @@ -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 *);