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Add string format checking to err.h functions

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And fix all problems this detected... oops
This commit is contained in:
ISSOtm
2020-02-24 16:58:40 +01:00
parent 702075eba6
commit dac13ba4bb
7 changed files with 22 additions and 17 deletions
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16
include/extern/err.h vendored
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@@ -29,15 +29,15 @@
#define errx rgbds_errx
#define verrx rgbds_verrx
void warn(const char *fmt, ...);
void vwarn(const char *fmt, va_list ap);
void warnx(const char *fmt, ...);
void vwarnx(const char *fmt, va_list ap);
void warn(const char *fmt, ...) format_(printf, 1, 2);
void vwarn(const char *fmt, va_list ap) format_(printf, 1, 0);
void warnx(const char *fmt, ...) format_(printf, 1, 2);
void vwarnx(const char *fmt, va_list ap) format_(printf, 1, 0);
noreturn_ void err(int status, const char *fmt, ...);
noreturn_ void verr(int status, const char *fmt, va_list ap);
noreturn_ void errx(int status, const char *fmt, ...);
noreturn_ void verrx(int status, const char *fmt, va_list ap);
noreturn_ void err(int status, const char *fmt, ...) format_(printf, 2, 3);
noreturn_ void verr(int status, const char *fmt, va_list ap) format_(printf, 2, 0);
noreturn_ void errx(int status, const char *fmt, ...) format_(printf, 2, 3);
noreturn_ void verrx(int status, const char *fmt, va_list ap) format_(printf, 2, 0);
#endif /* ERR_IN_LIBC */

3
include/helpers.h
View File

@@ -11,11 +11,14 @@
#ifdef __GNUC__
/* GCC or compatible */
#define format_(archetype, str_index, first_arg) \
__attribute__ ((format (archetype, str_index, first_arg)))
#define noreturn_ __attribute__ ((noreturn))
#define unused_ __attribute__ ((unused))
#define trap_ __builtin_trap()
#else
/* Unsupported, but no need to throw a fit */
#define format_(archetype, str_index, first_arg)
#define noreturn_
#define unused_
#define trap_