diff options
Diffstat (limited to 'src/diag.h')
| -rw-r--r-- | src/diag.h | 45 |
1 files changed, 43 insertions, 2 deletions
@@ -8,7 +8,7 @@ #ifndef BFS_DIAG_H #define BFS_DIAG_H -#include "config.h" +#include "prelude.h" #include <stdarg.h> /** @@ -55,6 +55,20 @@ void bfs_diagf(const struct bfs_loc *loc, const char *format, ...); #define bfs_diag(...) bfs_diagf(bfs_location(), __VA_ARGS__) /** + * Get the last error message. + */ +const char *bfs_errstr(void); + +/** + * Print a diagnostic message including the last error. + */ +#define bfs_ediag(...) \ + bfs_ediag_("" __VA_ARGS__, bfs_errstr()) + +#define bfs_ediag_(format, ...) \ + bfs_diag(sizeof(format) > 1 ? format ": %s" : "%s", __VA_ARGS__) + +/** * Print a message to standard error and abort. */ attr(cold, printf(2, 3)) @@ -63,15 +77,27 @@ noreturn void bfs_abortf(const struct bfs_loc *loc, const char *format, ...); /** * Unconditional abort with a message. */ -#define bfs_abort(...) bfs_abortf(bfs_location(), __VA_ARGS__) +#define bfs_abort(...) \ + bfs_abortf(bfs_location(), __VA_ARGS__) + +/** + * Abort with a message including the last error. + */ +#define bfs_eabort(...) \ + bfs_eabort_("" __VA_ARGS__, bfs_errstr()) + +#define bfs_eabort_(format, ...) \ + bfs_abort(sizeof(format) > 1 ? format ": %s" : "%s", __VA_ARGS__) /** * Abort in debug builds; no-op in release builds. */ #ifdef NDEBUG # define bfs_bug(...) ((void)0) +# define bfs_ebug(...) ((void)0) #else # define bfs_bug bfs_abort +# define bfs_ebug bfs_eabort #endif /** @@ -88,12 +114,27 @@ noreturn void bfs_abortf(const struct bfs_loc *loc, const char *format, ...); str, __VA_ARGS__)) /** + * Unconditional assert, including the last error. + */ +#define bfs_everify(...) \ + bfs_everify_(#__VA_ARGS__, __VA_ARGS__, "", bfs_errstr()) + +#define bfs_everify_(str, cond, format, ...) \ + ((cond) ? (void)0 : bfs_abort( \ + sizeof(format) > 1 \ + ? "%.0s" format "%s: %s" \ + : "Assertion failed: `%s`: %s", \ + str, __VA_ARGS__)) + +/** * Assert in debug builds; no-op in release builds. */ #ifdef NDEBUG # define bfs_assert(...) ((void)0) +# define bfs_eassert(...) ((void)0) #else # define bfs_assert bfs_verify +# define bfs_eassert bfs_everify #endif struct bfs_ctx; |