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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
hist.c
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@@ -1,7 +1,7 @@
/*
* hist - interactive readline module
*
* Copyright (C) 1999-2007,2021,2022 David I. Bell
* Copyright (C) 1999-2007,2021-2023 David I. Bell
*
* 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
@@ -94,7 +94,7 @@ STATIC struct {
int linelen;
int histcount; /* valid history entries */
int curhist;
BOOL virgin_line; /* 1 => never typed chars, 0 => chars typed */
bool virgin_line; /* 1 => never typed chars, 0 => chars typed */
} HS;
@@ -277,7 +277,7 @@ hist_getline(char *prompt, char *buf, size_t len)
HS.end = buf;
HS.mark = NULL;
HS.linelen = -1;
HS.virgin_line = TRUE;
HS.virgin_line = true;
/*
* prep the I/O
@@ -303,7 +303,7 @@ hist_getline(char *prompt, char *buf, size_t len)
read_key();
/* chars typed, no longer virgin */
HS.virgin_line = FALSE;
HS.virgin_line = false;
}
/*
@@ -348,7 +348,7 @@ hist_init(char *filename)
*/
if (filename == NULL)
filename = HIST_BINDING_FILE;
if (opensearchfile(filename, calcpath, NULL, FALSE) > 0)
if (opensearchfile(filename, calcpath, NULL, false) > 0)
return HIST_NOFILE;
/*
@@ -995,7 +995,7 @@ delete_char(int UNUSED(key))
*/
if ((HS.end == HS.buf) &&
(conf->ctrl_d == CTRL_D_EMPTY_EOF ||
(conf->ctrl_d == CTRL_D_VIRGIN_EOF && HS.virgin_line == TRUE))) {
(conf->ctrl_d == CTRL_D_VIRGIN_EOF && HS.virgin_line == true))) {
quit_calc(0);
}