diff options
| -rw-r--r-- | cbs.h | 16 |
1 files changed, 13 insertions, 3 deletions
@@ -82,6 +82,12 @@ # define ATTR_FMT #endif +/* Clang defines this attribute, and while it does nothing it does serve as + good documentation. */ +#ifndef _Nullable +# define _Nullable +#endif + /* Internal global versions of argc and argv, so our functions and macros can access them from anywhere. */ static int _cbs_argc; @@ -91,15 +97,18 @@ static char **_cbs_argv; instead of taking a buffer size as an argument, it takes a count n of elements, and a size m of each element. This allows it to properly check for overflow, and errors if overflow would occur. */ -static void *bufalloc(void *, size_t n, size_t m); +static void *bufalloc(void *_Nullable, size_t n, size_t m); /* Error reporting functions. The die() function takes the same arguments as printf() and prints the corresponding string to stderr. It also prefixes the string with the command name followed by a colon, and suffixes the string with a colon and the error string returned from strerror(). + If you want to print just the error message and no custom text, NULL may be + passed to die(). NULL should not be passed to diex(). + diex() is the same as die() but does not print a strerror() error string. */ -ATTR_FMT noreturn static void die(const char *, ...); +ATTR_FMT noreturn static void die(const char *_Nullable, ...); ATTR_FMT noreturn static void diex(const char *, ...); /* Initializes some data required for this header to work properly. This should @@ -259,7 +268,8 @@ static void tpwait(tpool_t *); NULL, it will be ignored. The free() function is a valid argument to the free parameter. */ -static void tpenq(tpool_t *, tfunc_t fn, void *arg, tfree_func_t free); +static void tpenq(tpool_t *, tfunc_t fn, void *arg, + tfree_func_t _Nullable free); static struct _tjob *_tpdeq(tpool_t *); #endif /* CBS_PTHREAD */ |