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MacroModel · MacroModel · commit 9ee1807e5389 · 2025-11-10T10:17:51.000+08:00
diff --git a/include/fast_io_hosted/platforms/posix_mapping.h b/include/fast_io_hosted/platforms/posix_mapping.h
@@ -18,7 +18,7 @@ inline ::std::byte *sys_mmap(void *addr, ::std::size_t len, int prot, int flags,
             throw_posix_error(EINVAL);
         }
     }
-    long ret{system_call<__NR_mmap, long>(addr, len, prot, flags, fd, offset)};
+    ::std::ptrdiff_t ret{system_call<__NR_mmap, ::std::ptrdiff_t>(addr, len, prot, flags, fd, offset)};
     system_call_throw_error(ret);
     return reinterpret_cast<::std::byte *>(static_cast<::std::uintptr_t>(ret));
 #elif defined(HAVE_MMAP64)

Original file line number	Diff line number	Diff line change
`@@ -18,7 +18,7 @@ inline ::std::byte sys_mmap(void addr, ::std::size_t len, int prot, int flags,`
`18`	`18`	`throw_posix_error(EINVAL);`
`19`	`19`	`}`
`20`	`20`	`}`
`21`		`- long ret{system_call<__NR_mmap, long>(addr, len, prot, flags, fd, offset)};`
	`21`	`+ ::std::ptrdiff_t ret{system_call<__NR_mmap, ::std::ptrdiff_t>(addr, len, prot, flags, fd, offset)};`
`22`	`22`	`system_call_throw_error(ret);`
`23`	`23`	`return reinterpret_cast<::std::byte *>(static_cast<::std::uintptr_t>(ret));`
`24`	`24`	`#elif defined(HAVE_MMAP64)`