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| author | Mel <mel@rnrd.eu> | 2025-07-09 19:06:58 +0200 |
|---|---|---|
| committer | Mel <mel@rnrd.eu> | 2025-07-09 19:10:46 +0200 |
| commit | b92890104b5697014e8c9f8767ddb88b4cd21227 (patch) | |
| tree | d8c56e0556f25146d0a58818a35da5ed770b5c34 | |
| parent | 7f2d00ae1889e10eea37153002cbf7296fba1993 (diff) | |
| download | catskill-b92890104b5697014e8c9f8767ddb88b4cd21227.tar.zst catskill-b92890104b5697014e8c9f8767ddb88b4cd21227.zip | |
Add NORETURN to failure functions, add `unreachable`
Signed-off-by: Mel <mel@rnrd.eu>
| -rw-r--r-- | boot/common.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/boot/common.c b/boot/common.c index d92684e..ccae087 100644 --- a/boot/common.c +++ b/boot/common.c @@ -10,6 +10,7 @@ #pragma once +#include <math.h> #include <stdarg.h> #include <stddef.h> #include <stdint.h> @@ -17,7 +18,6 @@ #include <stdlib.h> #include <string.h> #include <unistd.h> -#include <math.h> #define uint8 uint8_t #define uint16 uint16_t @@ -46,6 +46,8 @@ #define nil NULL #define unknown void +#define NORETURN _Noreturn + // ansi escape codes for terminal color and style #define ANSI(code) "\33[" code "m" @@ -77,6 +79,7 @@ // call on irrecoverable failure. // prints a very sad, apologetic message for // the user and aborts program with failure status. +NORETURN void failure(const ascii* message) { @@ -98,6 +101,13 @@ check(bool condition, const ascii* message) if (!condition) failure(message); } +NORETURN +void +unreachable() +{ + failure("unreachable code reached"); +} + // for each entry in a linked list. #define FOR_EACH(type, cursor, head) for (type cursor = head; cursor != nil; cursor = cursor->next) |