Control: tags -1 + patch
Please find attached a patch.
Description: Port to PCRE2.
Bug-Debian: https://bugs.debian.org/999964
Author: Yavor Doganov <[email protected]>
Forwarded: no
Last-Update: 2023-12-17
---
--- shush-1.2.3.orig/configure.ac
+++ shush-1.2.3/configure.ac
@@ -60,9 +60,19 @@
# Checks for libraries.
AC_SEARCH_LIBS([basename], [gen])
if test "x$with_pcre" != "xno"; then
- AC_SEARCH_LIBS([pcre_compile], [pcre], ,
- AC_MSG_WARN([Perl Compatible Regular Expressions library is missing.])
- with_pcre="no")
+ save_libs="$LIBS"
+ LIBS="$LIBS -lpcre2-8"
+ AC_MSG_CHECKING([for pcre library])
+ AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM([[#define PCRE2_CODE_UNIT_WIDTH 8
+#include <pcre2.h>
+]],
+ [[pcre2_match_data_create(4, NULL);]])],
+ [AC_MSG_RESULT([yes])],
+ [AC_MSG_RESULT([no])
+ AC_MSG_WARN([Perl Compatible Regular Expressions library is missing.])
+ with_pcre="no"
+ LIBS="$save_libs"])
fi
AC_SEARCH_LIBS([MD5Data], [md])
AC_SEARCH_LIBS([md5_calc], [md5])
@@ -70,7 +80,11 @@
# Checks for header files.
AC_CHECK_HEADERS([md5.h paths.h pthread.h])
if test "x$with_pcre" != "xno"; then
- AC_CHECK_HEADERS([pcre.h])
+ AC_CHECK_HEADERS([pcre2.h],
+ [AC_DEFINE([HAVE_PCRE_H], [1],
+ [Define to 1 if you have the <pcre2.h> header file.])],
+ [], [[#define PCRE2_CODE_UNIT_WIDTH 8
+ ]])
fi
# Checks for typedefs, structures, and compiler characteristics.
--- shush-1.2.3.orig/src/analyzer.c
+++ shush-1.2.3/src/analyzer.c
@@ -16,7 +16,8 @@
#include <fcntl.h>
#include <regex.h>
#if defined(HAVE_PCRE_H)
-# include <pcre.h>
+# define PCRE2_CODE_UNIT_WIDTH 8
+# include <pcre2.h>
#endif
#include "analyzer.h"
@@ -40,7 +41,7 @@
{
regex_t re;
#if defined(HAVE_PCRE_H)
- pcre *pcre;
+ pcre2_code *pcre;
#endif
} val;
};
@@ -98,15 +99,19 @@
static int
compile_pcre(void *pcreptr, char *str)
{
- pcre **re;
- const char *errmsg;
- int erroffset;
+ pcre2_code **re;
+ int err;
+ PCRE2_SIZE erroffset;
re = pcreptr;
- *re = pcre_compile(str, 0, &errmsg, &erroffset, NULL);
+ *re = pcre2_compile((PCRE2_SPTR)str, strlen(str), 0,
+ &err, &erroffset, NULL);
if (*re == NULL)
{
- error("Bad PCRE (offset %d): %s", erroffset, errmsg);
+ PCRE2_UCHAR errmsg[120];
+
+ pcre2_get_error_message(err, errmsg, sizeof(errmsg));
+ error("Bad PCRE (offset %zu): %s", erroffset, errmsg);
return -1;
}
return 0;
@@ -501,15 +506,17 @@
#if defined(HAVE_PCRE_H)
else if (type == PCRE)
{
- int ovector[3072];
+ PCRE2_SIZE *ovector;
+ pcre2_match_data *md;
- r = pcre_exec(list[condno].val.pcre, NULL, ln,
+ md = pcre2_match_data_create(3072, NULL);
+ r = pcre2_match(list[condno].val.pcre, (PCRE2_SPTR)ln,
(lndup != NULL) ? strlen(lndup) : nl - ln,
- 0, 0, ovector, 3072);
- if (r < 0 && r != PCRE_ERROR_NOMATCH)
+ 0, 0, md, NULL);
+ if (r < 0 && r != PCRE2_ERROR_NOMATCH)
{
/* Something bad happened */
- error("Fatal error during output analysis: pcre_exec() failed
with code %d", r);
+ error("Fatal error during output analysis: pcre2_match()
failed with code %d", r);
error("Regular expression used was: %s",
list[condno].expression);
error("Trying to match the following line of data: %s", ln);
@@ -517,6 +524,7 @@
free(lndup);
else
*nl = '\n';
+ pcre2_match_data_free(md);
return -1;
}
else
@@ -527,14 +535,15 @@
/* Matched */
debug(DDATA,
- "Matched: #%d %d[%c] (PCRE_ERROR_NOMATCH=%d)",
- condno+1, r, list[condno].code, PCRE_ERROR_NOMATCH);
+ "Matched: #%d %d[%c] (PCRE2_ERROR_NOMATCH=%d)",
+ condno+1, r, list[condno].code,
PCRE2_ERROR_NOMATCH);
byteset_set(list[condno].code, 1);
/* Check for substrings */
i = 1;
+ ovector = pcre2_get_ovector_pointer(md);
while (i < r)
{
- if (ovector[i*2] < 0 || ovector[i*2+1] < 0)
+ if ((int)ovector[i*2] < 0 || (int)ovector[i*2+1] < 0)
continue;
set_mark(marks, &mark, &max,
ln - str + ovector[i*2], TOGGLE);
@@ -546,8 +555,9 @@
}
else
debug(DVDATA,
- "Failed: #%d %d[%c] (PCRE_ERROR_NOMATCH=%d)",
- condno+1, r, list[condno].code, PCRE_ERROR_NOMATCH);
+ "Failed: #%d %d[%c] (PCRE2_ERROR_NOMATCH=%d)",
+ condno+1, r, list[condno].code,
PCRE2_ERROR_NOMATCH);
+ pcre2_match_data_free(md);
}
}
#endif
--- shush-1.2.3.orig/src/shush.c
+++ shush-1.2.3/src/shush.c
@@ -10,7 +10,8 @@
#include <libgen.h>
#include <time.h>
#if defined(HAVE_PCRE_H)
-# include <pcre.h>
+# define PCRE2_CODE_UNIT_WIDTH 8
+# include <pcre2.h>
#endif
#include "version.h"
@@ -149,8 +150,11 @@
#if !defined(HAVE_PCRE_H)
printf("%s version %s\n", myname, SHUSH_VERSION);
#else
+ char ver[24];
+
+ pcre2_config(PCRE2_CONFIG_VERSION, ver);
printf("%s version %s (PCRE version %s)\n",
- myname, SHUSH_VERSION, pcre_version());
+ myname, SHUSH_VERSION, ver);
#endif
if ((runopts & RUN_VERBOSE) != 0)
{
