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authorIan Moffett <ian@osmora.org>2024-03-07 17:28:00 -0500
committerIan Moffett <ian@osmora.org>2024-03-07 17:28:32 -0500
commitbd5969fc876a10b18613302db7087ef3c40f18e1 (patch)
tree7c2b8619afe902abf99570df2873fbdf40a4d1a1 /lib/mlibc/options/internal/include/bits/ensure.h
parenta95b38b1b92b172e6cc4e8e56a88a30cc65907b0 (diff)
lib: Add mlibc
Signed-off-by: Ian Moffett <ian@osmora.org>
Diffstat (limited to 'lib/mlibc/options/internal/include/bits/ensure.h')
-rw-r--r--lib/mlibc/options/internal/include/bits/ensure.h45
1 files changed, 45 insertions, 0 deletions
diff --git a/lib/mlibc/options/internal/include/bits/ensure.h b/lib/mlibc/options/internal/include/bits/ensure.h
new file mode 100644
index 0000000..f75a2e9
--- /dev/null
+++ b/lib/mlibc/options/internal/include/bits/ensure.h
@@ -0,0 +1,45 @@
+
+#ifndef MLIBC_ENSURE_H
+#define MLIBC_ENSURE_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef __MLIBC_ABI_ONLY
+
+void __ensure_fail(const char *assertion, const char *file, unsigned int line,
+ const char *function);
+
+void __ensure_warn(const char *assertion, const char *file, unsigned int line,
+ const char *function);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#define __ensure(assertion) do { if(!(assertion)) \
+ __ensure_fail(#assertion, __FILE__, __LINE__, __func__); } while(0)
+
+#define MLIBC_UNIMPLEMENTED() __ensure_fail("Functionality is not implemented", \
+ __FILE__, __LINE__, __func__)
+
+#define MLIBC_MISSING_SYSDEP() __ensure_warn("Library function fails due to missing sysdep", \
+ __FILE__, __LINE__, __func__)
+
+#define MLIBC_CHECK_OR_ENOSYS(sysdep, ret) ({ \
+ if (!(sysdep)) { \
+ __ensure_warn("Library function fails due to missing sysdep", \
+ __FILE__, __LINE__, __func__); \
+ errno = ENOSYS; \
+ return (ret); \
+ } \
+ sysdep; \
+ })
+
+#define MLIBC_STUB_BODY { MLIBC_UNIMPLEMENTED(); __builtin_unreachable(); }
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // MLIBC_ENSURE_H
+