diff options
| author | Watson Wheeler <git@tazy.dev> | 2026-06-28 20:23:29 +1000 |
|---|---|---|
| committer | Watson Wheeler <git@tazy.dev> | 2026-07-02 19:39:07 +1000 |
| commit | c6f5ecdbbd82989f4641fe193e9d76de97446d03 (patch) | |
| tree | c93ccbb6bcc5a3357b3b8057d8ea8b213fd528db | |
| parent | f65b49d05c1fe1ef1a31616cb171a52579836d2d (diff) | |
feat(compat): Check system and processor compatibility
Signed-off-by: Watson Wheeler <git@tazy.dev>
| -rw-r--r-- | include/tinyff/common.h | 3 | ||||
| -rw-r--r-- | include/tinyff/compat.h | 43 |
2 files changed, 45 insertions, 1 deletions
diff --git a/include/tinyff/common.h b/include/tinyff/common.h index 6d93a70..5d070a4 100644 --- a/include/tinyff/common.h +++ b/include/tinyff/common.h @@ -7,6 +7,7 @@ #include <stdbool.h> #include <stddef.h> #include <tinyff/stream.h> +#include <tinyff/compat.h> #ifdef USE_THREAD #include <pthread.h> @@ -142,4 +143,4 @@ typedef struct ff_ctx { ff_ctx* ff_init(ff_allocator* allocator); void ff_cleanup(ff_ctx* ctx); -#endif
\ No newline at end of file +#endif diff --git a/include/tinyff/compat.h b/include/tinyff/compat.h new file mode 100644 index 0000000..0199513 --- /dev/null +++ b/include/tinyff/compat.h @@ -0,0 +1,43 @@ +#ifndef TINYFF_COMPAT_H_ +#define TINYFF_COMPAT_H_ + +#if defined(__STDC_HOSTED__) && !(__STDC_HOSTED__ == 0) +# define COMPAT_HOSTED 1 +#else +# define COMPAT_HOSTED 0 +#endif + +#if !defined(__STDC_VERSION__) || __STDC_VERSION__ < 199901L +# error "compat: ISO C99 or newer compiler required." +#endif + +#include <limits.h> +#include <stdint.h> + +#if INT_MAX < 32767 +# error "compat: 8-bit 'int' architectures are not supported." +#endif + +#if INTPTR_MAX == INT32_MAX +# define COMPAT_SZ_32 1 +#elif INTPTR_MAX == INT64_MAX +# define COMPAT_SZ_64 1 +#endif + +// Static assertion fallback for c99 +#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L + // static_assert already in version +# include <assert.h> +#else + // c99 dummy +# define COMPAT_STATIC_ASSERT(expr, msg) \ + typedef char compat_assertion_failed##__LINE__[(expr) ? 1 : -1] + +# undef static_assert +# define static_assert(expr, msg) COMPAT_STATIC_ASSERT(expr, msg) +#endif + +static_assert(sizeof(uint8_t) == 1, "compat: broken uint8_t width"); +static_assert(sizeof(uint32_t) == 4, "compat: broken uint32_t width"); + +#endif |