From 2e638fccd81e96ce09841adc4b295b5ce694ea73 Mon Sep 17 00:00:00 2001
From: Adrian Thurston <thurston@colm.net>
Date: Sat, 6 Nov 2021 12:20:05 -0700
Subject: [PATCH] C char type: decide signedness of char based on CHAR_MIN

Previously had char fixed to signed char, this is not useful on ARM as it does
not align with the host type. Instead, decide at runtime (or probably compile
time) if char is signed or not.
---
 ragel/common.cpp | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/ragel/common.cpp b/ragel/common.cpp
index 8e9f8ed0..55875c06 100644
--- a/ragel/common.cpp
+++ b/ragel/common.cpp
@@ -27,14 +27,14 @@
 
 HostType hostTypesC[] =
 {
-	{ "char",     0,       "char",    true,   true,  false,  CHAR_MIN,  CHAR_MAX,   0, 0,              sizeof(char) },
-	{ "unsigned", "char",  "uchar",   false,  true,  false,  0, 0,                  0,     UCHAR_MAX,  sizeof(unsigned char) },
-	{ "short",    0,       "short",   true,   true,  false,  SHRT_MIN,  SHRT_MAX,   0, 0,              sizeof(short) },
-	{ "unsigned", "short", "ushort",  false,  true,  false,  0, 0,                  0,     USHRT_MAX,  sizeof(unsigned short) },
-	{ "int",      0,       "int",     true,   true,  false,  INT_MIN,   INT_MAX,    0, 0,              sizeof(int) },
-	{ "unsigned", "int",   "uint",    false,  true,  false,  0, 0,                  0,     UINT_MAX,   sizeof(unsigned int) },
-	{ "long",     0,       "long",    true,   true,  false,  LONG_MIN,  LONG_MAX,   0, 0,              sizeof(long) },
-	{ "unsigned", "long",  "ulong",   false,  true,  false,  0, 0,                  0,     ULONG_MAX,  sizeof(unsigned long) }
+	{ "char",     0,       "char",    (CHAR_MIN != 0), true,  false,  SCHAR_MIN, SCHAR_MAX,  0, UCHAR_MAX, sizeof(char) },
+	{ "unsigned", "char",  "uchar",   false,           true,  false,  0, 0,                  0, UCHAR_MAX, sizeof(unsigned char) },
+	{ "short",    0,       "short",   true,            true,  false,  SHRT_MIN,  SHRT_MAX,   0, 0,         sizeof(short) },
+	{ "unsigned", "short", "ushort",  false,           true,  false,  0, 0,                  0, USHRT_MAX, sizeof(unsigned short) },
+	{ "int",      0,       "int",     true,            true,  false,  INT_MIN,   INT_MAX,    0, 0,         sizeof(int) },
+	{ "unsigned", "int",   "uint",    false,           true,  false,  0, 0,                  0, UINT_MAX,  sizeof(unsigned int) },
+	{ "long",     0,       "long",    true,            true,  false,  LONG_MIN,  LONG_MAX,   0, 0,         sizeof(long) },
+	{ "unsigned", "long",  "ulong",   false,           true,  false,  0, 0,                  0, ULONG_MAX, sizeof(unsigned long) }
 };
 
 #define S8BIT_MIN  -128
-- 
2.33.1

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