[libc-commits] [PATCH] D156961: [libc] Add limits.h

[Alfred Persson Forsberg via Phabricator via libc-commits]

alfredfo updated this revision to Diff 549195.
alfredfo added a comment.

only define SSIZE_MAX if not already defined


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D156961/new/

https://reviews.llvm.org/D156961

Files:
  libc/include/llvm-libc-macros/limits-macros.h
  libc/spec/posix.td


Index: libc/spec/posix.td
===================================================================
--- libc/spec/posix.td
+++ libc/spec/posix.td
@@ -228,6 +228,7 @@
   HeaderSpec Limits = HeaderSpec<
     "limits.h",
     [
+        Macro<"SSIZE_MAX">,
     ],
     [], // Types
     [], // Enumerations
Index: libc/include/llvm-libc-macros/limits-macros.h
===================================================================
--- libc/include/llvm-libc-macros/limits-macros.h
+++ libc/include/llvm-libc-macros/limits-macros.h
@@ -5,12 +5,8 @@
 #include <linux/limits.h>
 #endif
 
-#if __LP64__
-#define __LONG_MAX 0x7fffffffffffffffL
-#else
-#define __LONG_MAX 0x7fffffffL
-#endif // __LP64__
-
-#define LONG_MAX __LONG_MAX
+#ifndef SSIZE_MAX
+#define SSIZE_MAX __LONG_MAX__
+#endif
 
 #endif // __LLVM_LIBC_MACROS_LIMITS_MACROS_H


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