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C23: CmdSubrs.c fixup deprecated isascii()

This commit is contained in:
Darryl L. Miles 2025-07-11 15:54:52 +01:00 committed by R. Timothy Edwards
parent 9e181f0d2e
commit 35d455fd72
1 changed files with 13 additions and 2 deletions
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15
commands/CmdSubrs.c
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@ -1196,6 +1196,17 @@ cmdGetSelFunc(
return 1; /* Skip any other selected cells. */
}
/* The Open Group, Sep 2006, Austin/317 deprecated isascii(),
* Apparently it cannot be used portably in a localized application.
*/
static int
magic_isascii(int c)
{
return (c & ~0x7f) == 0;
}
/*
* ----------------------------------------------------------------------------
*
@ -1228,7 +1239,7 @@ CmdIllegalChars(
for (p = string; *p != 0; p++)
{
if (!isascii(*p)) goto error;
if (!magic_isascii(*p)) goto error;
if (iscntrl(*p)) goto error;
for (bad = illegal; *bad != 0; bad++)
{
@ -1237,7 +1248,7 @@ CmdIllegalChars(
continue;
error:
if (!isascii(*p) || iscntrl(*p))
if (!magic_isascii(*p) || iscntrl(*p))
{
TxError("%s contains illegal control character 0x%x\n",
msg, *p);