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changed C source to use C booleans with backward compatibility

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Fix "Under source code control" date for new version.h file.

Sorted the order of symbols printed by "make env".

Test if <stdbool.h> exists and set HAVE_STDBOOL_H accordingly
in have_stdbool.h.  Added HAVE_STDBOOL_H to allow one to force
this value.

Added "bool.h" include file to support use of boolean symbols,
true and false for pre-c99 C compilers.  The "bool.h" include
file defines TRUE as true, FALSE as false, and BOOL as bool:
for backward compatibility.

The sign in a ZVALUE is now of type SIGN, whcih is either
SB32 when CALC2_COMPAT is defined, or a bool.

Replaced in C source, TRUE with true, FALSE with false, and
BOOL with bool.
This commit is contained in:
Landon Curt Noll
2023-08-19 19:20:32 -07:00
parent e18b715f3f
commit 3c18e6e25b
71 changed files with 1267 additions and 1043 deletions
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12
custom.c
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@@ -1,7 +1,7 @@
/*
* custom - interface for custom software and hardware interfaces
*
* Copyright (C) 1999-2006,2018,2021,2022 Landon Curt Noll
* Copyright (C) 1999-2006,2018,2021-2023 Landon Curt Noll
*
* Calc is open software; you can redistribute it and/or modify it under
* the terms of the version 2.1 of the GNU Lesser General Public License
@@ -54,7 +54,7 @@ EXTERN CONST struct custom cust[]; /* custom interface table */
#include "banned.h" /* include after system header <> includes */
BOOL allow_custom = FALSE; /* TRUE => custom builtins allowed */
bool allow_custom = false; /* true => custom builtins allowed */
/*
@@ -71,10 +71,10 @@ custom(char *name, int count, VALUE **vals)
/*
* error if libcustcalc was compiled with CUSTOM undefined
*/
if (custom_compiled() != TRUE) {
if (custom_compiled() != true) {
math_error("libcustcalc was compiled with CUSTOM undefined "
"custom_compiled() returned: %d != %d",
custom_compiled(), TRUE);
custom_compiled(), true);
not_reached();
}
@@ -113,10 +113,10 @@ custom(char *name, int count, VALUE **vals)
/*
* error if libcustcalc was compiled with CUSTOM defined
*/
if (custom_compiled() != FALSE) {
if (custom_compiled() != false) {
math_error("libcustcalc was compiled with CUSTOM defined "
"custom_compiled() returned: %d != %d",
custom_compiled(), FALSE);
custom_compiled(), false);
not_reached();
}