linux-kernel - [PATCH 1/2] tools/nolibc: add limits for {u,}intmax

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Date: Thu, 25 Apr 2024 18:09:26 +0200
From: Thomas Weißschuh <linux@...ssschuh.net>
To: Willy Tarreau <w@....eu>, Shuah Khan <shuah@...nel.org>
Cc: linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org, 
 Thomas Weißschuh <linux@...ssschuh.net>
Subject: [PATCH 1/2] tools/nolibc: add limits for {u,}intmax_t, ulong and
 {u,}llong

They are useful for users and necessary for strtol() and friends.

Signed-off-by: Thomas Weißschuh <linux@...ssschuh.net>
---
 tools/include/nolibc/stdint.h | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/tools/include/nolibc/stdint.h b/tools/include/nolibc/stdint.h
index 6665e272e213..cd79ddd6170e 100644
--- a/tools/include/nolibc/stdint.h
+++ b/tools/include/nolibc/stdint.h
@@ -96,6 +96,10 @@ typedef uint64_t          uintmax_t;
 #define UINT_FAST32_MAX  SIZE_MAX
 #define UINT_FAST64_MAX  UINT64_MAX
 
+#define INTMAX_MIN       INT64_MIN
+#define INTMAX_MAX       INT64_MAX
+#define UINTMAX_MAX      UINT64_MAX
+
 #ifndef INT_MIN
 #define INT_MIN          (-__INT_MAX__ - 1)
 #endif
@@ -110,4 +114,19 @@ typedef uint64_t          uintmax_t;
 #define LONG_MAX         __LONG_MAX__
 #endif
 
+#ifndef ULONG_MAX
+#define ULONG_MAX         ((unsigned long)(__LONG_MAX__) * 2 + 1)
+#endif
+
+#ifndef LLONG_MIN
+#define LLONG_MIN         (-__LONG_LONG_MAX__ - 1)
+#endif
+#ifndef LLONG_MAX
+#define LLONG_MAX         __LONG_LONG_MAX__
+#endif
+
+#ifndef ULLONG_MAX
+#define ULLONG_MAX         ((unsigned long long)(__LONG_LONG_MAX__) * 2 + 1)
+#endif
+
 #endif /* _NOLIBC_STDINT_H */

-- 
2.44.0