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add more attributes

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added a format and nonnull attribute in the attributes header.
- convert original format attribute into the one used in the header (on
prints)
- use new nonnull attribute on prints as well
This commit is contained in:
Quinn
2025-04-09 21:03:14 +02:00
parent fadd7f4232
commit 6f1d39253c
2 changed files with 20 additions and 5 deletions
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12
src/error.h
View File

@@ -3,6 +3,8 @@
#include <stdint.h>
#include <stdnoreturn.h>
#include "util/attributes.h"
/* defines statuses in the 0..127, any higher/negative values are POSIX-reserved.
* The max value (or -1) shall mean the application is running, anything else shall mean an exit code of some kind */
enum {
@@ -28,10 +30,10 @@ enum {
};
typedef int8_t gamestatus;
__attribute__((format(printf, 1, 2))) void debug(char const*, ...); // prints a debug message to stdout if the DEBUG environment variable is set, otherwise the call is ignored.
__attribute__((format(printf, 1, 2))) void info(char const*, ...); // prints an info message to stdout
__attribute__((format(printf, 1, 2))) void warn(char const*, ...); // prints a warning message to stderr
__attribute__((format(printf, 1, 2))) void error(char const*, ...); // prints an warning message to stderr
atrb_nonnull(1) atrb_format(printf, 1, 2) void debug(char const*, ...); // prints a debug message to stdout if the DEBUG environment variable is set, otherwise the call is ignored.
atrb_nonnull(1) atrb_format(printf, 1, 2) void info(char const*, ...); // prints an info message to stdout
atrb_nonnull(1) atrb_format(printf, 1, 2) void warn(char const*, ...); // prints a warning message to stderr
atrb_nonnull(1) atrb_format(printf, 1, 2) void error(char const*, ...); // prints an warning message to stderr
// prints an error message to stderr before exiting
__attribute__((format(printf, 4, 5))) noreturn void fatal(gamestatus, char const* file_name, uint32_t line, char const* fmt, ...);
atrb_nonnull(2, 4) atrb_format(printf, 4, 5) noreturn void fatal(gamestatus, char const* file_name, uint32_t line, char const* fmt, ...);

13
src/util/attributes.h
View File

@@ -6,6 +6,8 @@
#define atrb_unused
#define atrb_pure
#define atrb_const
#define atrb_format()
#define atrb_nonnull()
// define the attributes where possible
#if defined(__GNUC__) || defined(__clang__)
@@ -25,10 +27,21 @@
# define atrb_pure __attribute__((pure))
# endif
# if __has_attribute(const)
# undef atrb_const
# define atrb_const __attribute__((const))
# endif
# if __has_attribute(format)
# undef atrb_format
# define atrb_format(...) __attribute__((format(__VA_ARGS__)))
# endif
# if __has_attribute(nonnull)
# undef atrb_nonnull
# define atrb_nonnull(...) __attribute__((nonnull(__VA_ARGS__)))
# endif
#elif defined(_MSC_VER)
# undef atrb_depatrb_deprecated
# define atrb_deprecated __declspec(deprecated)