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Lock out configuring for EBCDIC with non-8-bit libraries.

This commit is contained in:
Philip.Hazel 2015-11-11 17:43:37 +00:00
parent 7bf5d9efd0
commit ab48e8bb73
3 changed files with 17 additions and 3 deletions
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2
ChangeLog
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@ -284,6 +284,8 @@ a factor of the size of the compiling workspace (it currently is).
82. Small optimizations in code for finding the minimum matching length.
83. Lock out configuring for EBCDIC with non-8-bit libraries.
Version 10.20 30-June-2015
--------------------------

6
configure.ac
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@ -339,13 +339,17 @@ fi
# Make sure that if enable_ebcdic is set, rebuild_chartables is also enabled.
# Also check that UTF support is not requested, because PCRE2 cannot handle
# EBCDIC and UTF in the same build. To do so it would need to use different
# character constants depending on the mode.
# character constants depending on the mode. Also, EBCDIC cannot be used with
# 16-bit and 32-bit libraries.
#
if test "x$enable_ebcdic" = "xyes"; then
enable_rebuild_chartables=yes
if test "x$enable_unicode" = "xyes"; then
AC_MSG_ERROR([support for EBCDIC and Unicode cannot be enabled at the same time])
fi
if test "x$enable_pcre2_16" = "xyes" -o "x$enable_pcre2_32" = "xyes"; then
AC_MSG_ERROR([EBCDIC support is available only for the 8-bit library])
fi
fi
# Check argument to --with-link-size

12
src/pcre2_internal.h
View File

@ -39,7 +39,10 @@ POSSIBILITY OF SUCH DAMAGE.
*/
/* We do not support both EBCDIC and Unicode at the same time. The "configure"
script prevents both being selected, but not everybody uses "configure". */
script prevents both being selected, but not everybody uses "configure". EBCDIC
is only supported for the 8-bit library, but the check for this has to be later
in this file, because the first part is not width-dependent, and is included by
pcre2test.c with CODE_UNIT_WIDTH == 0. */
#if defined EBCDIC && defined SUPPORT_UNICODE
#error The use of both EBCDIC and SUPPORT_UNICODE is not supported.
@ -1803,11 +1806,16 @@ typedef struct pcre2_serialized_data {
#if defined PCRE2_CODE_UNIT_WIDTH && PCRE2_CODE_UNIT_WIDTH != 0
/* EBCDIC is supported only for the 8-bit library. */
#if defined EBCDIC && PCRE2_CODE_UNIT_WIDTH != 8
#error EBCDIC is not supported for the 16-bit or 32-bit libraries
#endif
/* This is the largest non-UTF code point. */
#define MAX_NON_UTF_CHAR (0xffffffffU >> (32 - PCRE2_CODE_UNIT_WIDTH))
/* Internal shared data tables and variables. These are used by more than one
of the exported public functions. They have to be "external" in the C sense,
but are not part of the PCRE2 public API. Although the data for some of them is