From 22d27936b3d771a36b170b1f4b4ba58badbf3971 Mon Sep 17 00:00:00 2001
From: "Luke T. Shumaker" <lukeshu@lukeshu.com>
Date: Tue, 10 Dec 2024 02:12:39 -0700
Subject: Get lib9p building on rp2040

---
 lib9p/9p.c           | 7 +++++--
 lib9p/9p.generated.c | 3 +++
 lib9p/idl.gen        | 3 +++
 lib9p/internal.h     | 5 ++++-
 4 files changed, 15 insertions(+), 3 deletions(-)

(limited to 'lib9p')

diff --git a/lib9p/9p.c b/lib9p/9p.c
index 5943b42..a3d81d0 100644
--- a/lib9p/9p.c
+++ b/lib9p/9p.c
@@ -65,8 +65,11 @@ int lib9p_errorf(struct lib9p_ctx *ctx, uint32_t linux_errno, char const *fmt, .
 }
 
 const char *lib9p_msg_type_str(struct lib9p_ctx *ctx, enum lib9p_msg_type typ) {
-    assert(0 <= typ && typ <= 0xFF);
-    return _lib9p_versions[ctx->version].msgs[typ].name;
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wtype-limits"
+	assert(0 <= typ && typ <= 0xFF);
+#pragma GCC diagnostic pop
+	return _lib9p_versions[ctx->version].msgs[typ].name;
 }
 
 /* main message functions *****************************************************/
diff --git a/lib9p/9p.generated.c b/lib9p/9p.generated.c
index f3a907b..badeb95 100644
--- a/lib9p/9p.generated.c
+++ b/lib9p/9p.generated.c
@@ -27,7 +27,10 @@ static const char *version_strs[LIB9P_VER_NUM] = {
 };
 
 const char *lib9p_version_str(enum lib9p_version ver) {
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wtype-limits"
     assert(0 <= ver && ver < LIB9P_VER_NUM);
+#pragma GCC diagnostic pop
     return version_strs[ver];
 }
 
diff --git a/lib9p/idl.gen b/lib9p/idl.gen
index 262e5f0..cca83da 100755
--- a/lib9p/idl.gen
+++ b/lib9p/idl.gen
@@ -724,7 +724,10 @@ static const char *version_strs[{c_ver_enum('NUM')}] = {{
     ret += "};\n"
     ret += f"""
 const char *{idprefix}version_str(enum {idprefix}version ver) {{
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wtype-limits"
     assert(0 <= ver && ver < {c_ver_enum('NUM')});
+#pragma GCC diagnostic pop
     return version_strs[ver];
 }}
 """
diff --git a/lib9p/internal.h b/lib9p/internal.h
index 57f7aa7..07bb9d6 100644
--- a/lib9p/internal.h
+++ b/lib9p/internal.h
@@ -8,7 +8,10 @@
 #define _LIB9P_INTERNAL_H_
 
 #include <stddef.h> /* for size_t */
-#include <limits.h> /* for SSIZE_MAX */
+#include <limits.h> /* for SSIZE_MAX, not set by newlib */
+#ifndef SSIZE_MAX
+#define SSIZE_MAX (SIZE_MAX >> 1)
+#endif
 
 #include <lib9p/9p.h>
 
-- 
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