From 699da5f52217ae1631f4472cf58af515d0bfc161 Mon Sep 17 00:00:00 2001
From: Gerhard Rieger <gerhard@dest-unreach.org>
Date: Thu, 31 Oct 2024 10:39:29 +0100
Subject: [PATCH] Procan tells if char is signed or unsigned
---
CHANGES | 2 ++
hostan.c | 5 +++++
2 files changed, 7 insertions(+)
diff --git a/CHANGES b/CHANGES
index 7b888f4..6793b35 100644
--- a/CHANGES
+++ b/CHANGES
@@ -104,6 +104,8 @@ Features:
Procan prints more C-defines, esp.O_*, AI_*, EAI_*; __GLIBC__;
added option -V
+ Procan tells if char is signed or unsigned
+
Building:
Disabling certain features during configure could break build process.
diff --git a/hostan.c b/hostan.c
index 80ea569..4258d3c 100644
--- a/hostan.c
+++ b/hostan.c
@@ -33,6 +33,11 @@ int hostan(FILE *outfile) {
#endif
fprintf(outfile, "sizeof(size_t) = %u\n", (unsigned int)sizeof(size_t));
+ if ((char)-1 > 0)
+ fprintf(outfile, "typedef unsigned char char;\n");
+ else
+ fprintf(outfile, "typedef signed char char;\n");
+
# if HAVE_BASIC_SIZE_T==2
fprintf(outfile, "typedef unsigned short size_t; /* sizeof(size_t) = %u */\n", (unsigned int)sizeof(size_t));
#elif HAVE_BASIC_SIZE_T==4