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Makes JIT support in PCRE to be optional

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In particular, this change allows to build libmodsecurity on some old
but still supported systems such as RHEL/CentOS 6.
This commit is contained in:
Andrei Belov
2016-09-20 15:52:09 +03:00
committed by Felipe Zimmerle
parent 13b6a3ecf6
commit ae8698d8cf
3 changed files with 47 additions and 2 deletions
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12
src/utils/regex.cc
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@@ -27,6 +27,12 @@
#include "utils/geo_lookup.h"
#if PCRE_HAVE_JIT
#define pcre_study_opt PCRE_STUDY_JIT_COMPILE
#else
#define pcre_study_opt 0
#endif
namespace modsecurity {
namespace Utils {
@@ -42,7 +48,7 @@ Regex::Regex(const std::string& pattern_)
m_pc = pcre_compile(pattern.c_str(), PCRE_DOTALL|PCRE_MULTILINE,
&errptr, &erroffset, NULL);
m_pce = pcre_study(m_pc, PCRE_STUDY_JIT_COMPILE, &errptr);
m_pce = pcre_study(m_pc, pcre_study_opt, &errptr);
}
@@ -52,7 +58,11 @@ Regex::~Regex() {
m_pc = NULL;
}
if (m_pce != NULL) {
#if PCRE_HAVE_JIT
pcre_free_study(m_pce);
#else
pcre_free(m_pce);
#endif
m_pce = NULL;
}
}