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There is no _nl_msg_cat_cntr in musl libc and optimizations
based upon its unchanged value are not possible.
--- a/snapper/Regex.cc 2014-01-29 16:48:30.000000000 +0100
+++ b/snapper/Regex.cc 2015-08-30 11:07:34.613193993 +0200
@@ -22,7 +22,9 @@
#include "snapper/Regex.h"
+#if defined(__GLIBC__)
extern int _nl_msg_cat_cntr;
+#endif
namespace snapper
@@ -34,7 +36,9 @@
nm (cflags & REG_NOSUB ? 0 : nm)
{
regcomp (&rx, pattern, cflags);
+#if defined(__GLIBC__)
my_nl_msg_cat_cntr = _nl_msg_cat_cntr;
+#endif
rm = new regmatch_t[nm];
}
@@ -45,7 +49,9 @@
nm (cflags & REG_NOSUB ? 0 : nm)
{
regcomp (&rx, pattern.c_str (), cflags);
+#if defined(__GLIBC__)
my_nl_msg_cat_cntr = _nl_msg_cat_cntr;
+#endif
rm = new regmatch_t[nm];
}
@@ -60,11 +66,15 @@
bool
Regex::match (const string& str, int eflags) const
{
+#if defined(__GLIBC__)
if (my_nl_msg_cat_cntr != _nl_msg_cat_cntr) {
+#endif
regfree (&rx);
regcomp (&rx, pattern.c_str (), cflags);
+#if defined(__GLIBC__)
my_nl_msg_cat_cntr = _nl_msg_cat_cntr;
}
+#endif
last_str = str;
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