Merge branch 'release/debian/6.9.4-1'debian/6.9.4-1

13 files changed, 164 insertions, 166 deletions

diff --git a/sample/Makefile.am b/sample/Makefile.am
index 320afcf..22a4989 100644
--- a/sample/Makefile.am
+++ b/sample/Makefile.am
@@ -6,7 +6,11 @@ LDADD  = $(lib_onig)
 AM_LDFLAGS  = -L$(prefix)/lib
 AM_CPPFLAGS = -I$(top_srcdir)/src
 
-TESTS = encode listcap names posix simple sql syntax user_property callout echo count bug_fix
+if ENABLE_POSIX_API
+TESTS = encode listcap names posix simple sql syntax user_property callout echo count bug_fix regset
+else
+TESTS = encode listcap names simple sql syntax user_property callout echo count bug_fix regset
+endif
 
 check_PROGRAMS = $(TESTS)
 
@@ -22,6 +26,7 @@ callout_SOURCES = callout.c
 echo_SOURCES    = echo.c
 count_SOURCES   = count.c
 bug_fix         = bug_fix.c
+regset_SOURCES  = regset.c
 
 sampledir = .
 
@@ -29,7 +34,9 @@ test: $(TESTS)
 	$(sampledir)/encode
 	$(sampledir)/listcap
 	$(sampledir)/names
+if ENABLE_POSIX_API
 	$(sampledir)/posix
+endif
 	$(sampledir)/simple
 	$(sampledir)/sql
 	$(sampledir)/syntax
@@ -38,3 +45,4 @@ test: $(TESTS)
 	$(sampledir)/echo
 	$(sampledir)/count
 	$(sampledir)/bug_fix
+	$(sampledir)/regset
diff --git a/sample/bug_fix.c b/sample/bug_fix.c
index 81c2784..f295bfd 100644
--- a/sample/bug_fix.c
+++ b/sample/bug_fix.c
@@ -4,8 +4,6 @@
 #include <stdio.h>
 #include "oniguruma.h"
 
-static OnigCaseFoldType CF = ONIGENC_CASE_FOLD_MIN;
-
 static int
 search(regex_t* reg, unsigned char* str, unsigned char* end)
 {
@@ -36,6 +34,7 @@ search(regex_t* reg, unsigned char* str, unsigned char* end)
     onig_error_code_to_str((UChar* )s, r);
     fprintf(stderr, "ERROR: %s\n", s);
     fprintf(stderr, "  (%s)\n", ONIGENC_NAME(onig_get_encoding(reg)));
+    onig_region_free(region, 1 /* 1:free self, 0:free contents only */);
     return -1;
   }
 
@@ -44,45 +43,6 @@ search(regex_t* reg, unsigned char* str, unsigned char* end)
 }
 
 static int
-exec_deluxe(OnigEncoding pattern_enc, OnigEncoding str_enc,
-            OnigOptionType options, char* apattern, char* astr)
-{
-  int r;
-  unsigned char *end;
-  regex_t* reg;
-  OnigCompileInfo ci;
-  OnigErrorInfo einfo;
-  UChar* pattern = (UChar* )apattern;
-  UChar* str     = (UChar* )astr;
-
-  onig_initialize(&str_enc, 1);
-
-  ci.num_of_elements = 5;
-  ci.pattern_enc = pattern_enc;
-  ci.target_enc  = str_enc;
-  ci.syntax      = ONIG_SYNTAX_DEFAULT;
-  ci.option      = options;
-  ci.case_fold_flag  = CF;
-
-  r = onig_new_deluxe(&reg, pattern,
-                      pattern + onigenc_str_bytelen_null(pattern_enc, pattern),
-                      &ci, &einfo);
-  if (r != ONIG_NORMAL) {
-    char s[ONIG_MAX_ERROR_MESSAGE_LEN];
-    onig_error_code_to_str((UChar* )s, r, &einfo);
-    fprintf(stderr, "ERROR: %s\n", s);
-    return -1;
-  }
-
-  end = str + onigenc_str_bytelen_null(str_enc, str);
-  r = search(reg, str, end);
-
-  onig_free(reg);
-  onig_end();
-  return 0;
-}
-
-static int
 exec(OnigEncoding enc, OnigOptionType options, char* apattern, char* astr)
 {
   int r;
@@ -92,8 +52,6 @@ exec(OnigEncoding enc, OnigOptionType options, char* apattern, char* astr)
   UChar* pattern = (UChar* )apattern;
   UChar* str     = (UChar* )astr;
 
-  onig_initialize(&enc, 1);
-
   r = onig_new(&reg, pattern,
                pattern + onigenc_str_bytelen_null(enc, pattern),
                options, enc, ONIG_SYNTAX_DEFAULT, &einfo);
@@ -108,7 +66,6 @@ exec(OnigEncoding enc, OnigOptionType options, char* apattern, char* astr)
   r = search(reg, str, end);
 
   onig_free(reg);
-  onig_end();
   return 0;
 }
 
@@ -116,16 +73,21 @@ exec(OnigEncoding enc, OnigOptionType options, char* apattern, char* astr)
 
 extern int main(int argc, char* argv[])
 {
+  OnigEncoding use_encs[1];
+
+  use_encs[0] = ONIG_ENCODING_UTF8;
+  onig_initialize(use_encs, 1);
+
   /* fix ignore case in look-behind
      commit: 3340ec2cc5627172665303fe248c9793354d2251 */
-  exec_deluxe(ONIG_ENCODING_UTF8, ONIG_ENCODING_UTF8,
-              ONIG_OPTION_IGNORECASE,
-              "(?<=\305\211)a", "\312\274na"); /* \u{0149}a  \u{02bc}na */
+  exec(ONIG_ENCODING_UTF8, ONIG_OPTION_IGNORECASE,
+       "\305\211a", "\312\274na"); /* \u{0149}a  \u{02bc}na */
 
   exec(ONIG_ENCODING_UTF8, ONIG_OPTION_NONE, "(\\2)(\\1)", "aa"); /* fail. */
 
   exec(ONIG_ENCODING_UTF8, ONIG_OPTION_FIND_LONGEST,
        "a*", "aa aaa aaaa aaaaa "); /* match 12-17 */
 
+  onig_end();
   return 0;
 }
diff --git a/sample/crnl.c b/sample/crnl.c
index 3ad1210..bfa563e 100644
--- a/sample/crnl.c
+++ b/sample/crnl.c
@@ -65,6 +65,8 @@ x(int no, char* pattern_arg, char* str_arg,
     char s[ONIG_MAX_ERROR_MESSAGE_LEN];
     onig_error_code_to_str(s, r);
     fprintf(stderr, "ERROR: %s\n", s);
+    onig_region_free(region, 1 /* 1:free self, 0:free contents only */);
+    onig_free(reg);
     return -1;
   }
 
diff --git a/sample/encode.c b/sample/encode.c
index 8a03ab8..c5d4771 100644
--- a/sample/encode.c
+++ b/sample/encode.c
@@ -34,6 +34,7 @@ search(regex_t* reg, unsigned char* str, unsigned char* end)
     onig_error_code_to_str((UChar* )s, r);
     fprintf(stderr, "ERROR: %s\n", s);
     fprintf(stderr, "  (%s)\n", ONIGENC_NAME(onig_get_encoding(reg)));
+    onig_region_free(region, 1 /* 1:free self, 0:free contents only */);
     return -1;
   }
 
@@ -72,55 +73,6 @@ exec(OnigEncoding enc, OnigOptionType options,
   return 0;
 }
 
-static OnigCaseFoldType CF = ONIGENC_CASE_FOLD_MIN;
-
-#if 0
-static void
-set_case_fold(OnigCaseFoldType cf)
-{
-  CF = cf;
-}
-#endif
-
-static int
-exec_deluxe(OnigEncoding pattern_enc, OnigEncoding str_enc,
-            OnigOptionType options, char* apattern, char* astr)
-{
-  int r;
-  unsigned char *end;
-  regex_t* reg;
-  OnigCompileInfo ci;
-  OnigErrorInfo einfo;
-  UChar* pattern = (UChar* )apattern;
-  UChar* str     = (UChar* )astr;
-
-  onig_initialize(&str_enc, 1);
-
-  ci.num_of_elements = 5;
-  ci.pattern_enc = pattern_enc;
-  ci.target_enc  = str_enc;
-  ci.syntax      = ONIG_SYNTAX_DEFAULT;
-  ci.option      = options;
-  ci.case_fold_flag  = CF;
-
-  r = onig_new_deluxe(&reg, pattern,
-                      pattern + onigenc_str_bytelen_null(pattern_enc, pattern),
-                      &ci, &einfo);
-  if (r != ONIG_NORMAL) {
-    char s[ONIG_MAX_ERROR_MESSAGE_LEN];
-    onig_error_code_to_str((UChar* )s, r, &einfo);
-    fprintf(stderr, "ERROR: %s\n", s);
-    return -1;
-  }
-
-  end = str + onigenc_str_bytelen_null(str_enc, str);
-  r = search(reg, str, end);
-
-  onig_free(reg);
-  onig_end();
-  return 0;
-}
-
 extern int main(int argc, char* argv[])
 {
   int r;
@@ -196,39 +148,6 @@ extern int main(int argc, char* argv[])
   r = exec(ONIG_ENCODING_ISO_8859_1, ONIG_OPTION_IGNORECASE,
            "is", "iss");
 
-  r = exec_deluxe(ONIG_ENCODING_ASCII, ONIG_ENCODING_UTF16_BE,
-                  ONIG_OPTION_NONE, "a+",
-                  "\000b\000a\000a\000a\000c\000c\000\000");
-
-  r = exec_deluxe(ONIG_ENCODING_ASCII, ONIG_ENCODING_UTF16_LE,
-                  ONIG_OPTION_NONE, "a+",
-                  "b\000a\000a\000a\000a\000c\000\000\000");
-
-  r = exec_deluxe(ONIG_ENCODING_UTF16_BE, ONIG_ENCODING_UTF16_LE,
-                  ONIG_OPTION_NONE,
-                  "\000b\000a\000a\000a\000c\000c\000\000",
-                  "x\000b\000a\000a\000a\000c\000c\000\000\000");
-
-  r = exec_deluxe(ONIG_ENCODING_ISO_8859_1, ONIG_ENCODING_UTF16_BE,
-                  ONIG_OPTION_IGNORECASE,
-                  "\337", "\000S\000S\000\000");
-
-  r = exec_deluxe(ONIG_ENCODING_ISO_8859_1, ONIG_ENCODING_UTF16_BE,
-                  ONIG_OPTION_IGNORECASE,
-                  "SS", "\000\337\000\000");
-
-  r = exec_deluxe(ONIG_ENCODING_ISO_8859_1, ONIG_ENCODING_UTF16_LE,
-                  ONIG_OPTION_IGNORECASE,
-                  "\337", "S\000S\000\000\000");
-
-  r = exec_deluxe(ONIG_ENCODING_ISO_8859_1, ONIG_ENCODING_UTF32_BE,
-                  ONIG_OPTION_IGNORECASE,
-                  "SS", "\000\000\000\337\000\000\000\000");
-
-  r = exec_deluxe(ONIG_ENCODING_ISO_8859_1, ONIG_ENCODING_UTF32_LE,
-                  ONIG_OPTION_IGNORECASE,
-                  "\337", "S\000\000\000S\000\000\000\000\000\000\000");
-
   r = exec(ONIG_ENCODING_UTF16_BE, ONIG_OPTION_NONE,
            "\000[\000[\000:\000a\000l\000n\000u\000m\000:\000]\000]\000+\000\000",
            "\000#\002\120\000a\000Z\012\077\012\076\012\075\000\000");
@@ -242,44 +161,34 @@ extern int main(int argc, char* argv[])
   r = exec(ONIG_ENCODING_GB18030, ONIG_OPTION_IGNORECASE,
            "(Aa\\d)+", "BaA5Aa0234");
 
-  r = exec_deluxe(ONIG_ENCODING_ISO_8859_1, ONIG_ENCODING_UTF16_BE,
-                  ONIG_OPTION_NONE,
-                  "^\\P{Hiragana}\\p{^Hiragana}(\\p{Hiragana}+)$",
-                  "\060\100\060\240\060\101\060\102\060\226\060\237\000\000");
-
-  r = exec_deluxe(ONIG_ENCODING_UTF16_BE, ONIG_ENCODING_UTF16_BE,
-                  ONIG_OPTION_IGNORECASE,
-                  "\000[\000\337\000]\000\000", "\000S\000S\000\000");
+  r = exec(ONIG_ENCODING_UTF16_BE, ONIG_OPTION_IGNORECASE,
+           "\000[\000\337\000]\000\000", "\000S\000S\000\000");
 
-  r = exec_deluxe(ONIG_ENCODING_UTF16_BE, ONIG_ENCODING_UTF16_BE,
-                  ONIG_OPTION_IGNORECASE,
-                  "\000[\000\337\000]\000\000", "\000s\000S\000\000");
+  r = exec(ONIG_ENCODING_UTF16_BE, ONIG_OPTION_IGNORECASE,
+           "\000[\000\337\000]\000\000", "\000s\000S\000\000");
 
-  r = exec_deluxe(ONIG_ENCODING_UTF16_BE, ONIG_ENCODING_UTF16_BE,
-                  ONIG_OPTION_IGNORECASE,
-                  "\000^\000[\000\001\000-\377\375\000]\000$\000\000",
-                  "\000s\000S\000\000");
+  r = exec(ONIG_ENCODING_UTF16_BE, ONIG_OPTION_IGNORECASE,
+           "\000^\000[\000\001\000-\377\375\000]\000$\000\000",
+           "\000s\000S\000\000");
 
-  r = exec_deluxe(ONIG_ENCODING_UTF16_BE, ONIG_ENCODING_UTF16_BE,
-                  ONIG_OPTION_IGNORECASE,
-                  "\000S\000S\000\000",
-                  "\000S\000T\000\337\000\000");
+  r = exec(ONIG_ENCODING_UTF16_BE, ONIG_OPTION_IGNORECASE,
+           "\000S\000S\000\000",
+           "\000S\000T\000\337\000\000");
 
-  r = exec_deluxe(ONIG_ENCODING_UTF16_BE, ONIG_ENCODING_UTF16_BE,
-                  ONIG_OPTION_IGNORECASE,
-                  "\000S\000T\000S\000S\000\000",
-                  "\000S\000t\000s\000S\000\000");
+  r = exec(ONIG_ENCODING_UTF16_BE, ONIG_OPTION_IGNORECASE,
+           "\000S\000T\000S\000S\000\000",
+           "\000S\000t\000s\000S\000\000");
 
   {
     UChar pat[]  = { 0x1f, 0xfc, 0x00, 0x00 };
     UChar str1[] = { 0x21, 0x26, 0x1f, 0xbe, 0x00, 0x00 };
     UChar str2[] = { 0x1f, 0xf3, 0x00, 0x00 };
 
-    r = exec_deluxe(ONIG_ENCODING_UTF16_BE, ONIG_ENCODING_UTF16_BE,
-                    ONIG_OPTION_IGNORECASE, (char* )pat, (char* )str1);
+    r = exec(ONIG_ENCODING_UTF16_BE, ONIG_OPTION_IGNORECASE,
+             (char* )pat, (char* )str1);
 
-    r = exec_deluxe(ONIG_ENCODING_UTF16_BE, ONIG_ENCODING_UTF16_BE,
-                    ONIG_OPTION_IGNORECASE, (char* )pat, (char* )str2);
+    r = exec(ONIG_ENCODING_UTF16_BE, ONIG_OPTION_IGNORECASE,
+             (char* )pat, (char* )str2);
   }
 
 #if 0
@@ -287,17 +196,14 @@ extern int main(int argc, char* argv[])
 
   set_case_fold(ONIGENC_CASE_FOLD_TURKISH_AZERI);
 
-  r = exec_deluxe(ONIG_ENCODING_UTF8, ONIG_ENCODING_UTF8,
-                  ONIG_OPTION_IGNORECASE,
-                  "Ii", "\304\261\304\260");
+  r = exec(ONIG_ENCODING_UTF8, ONIG_ENCODING_UTF8, ONIG_OPTION_IGNORECASE,
+           "Ii", "\304\261\304\260");
 
-  r = exec_deluxe(ONIG_ENCODING_UTF16_BE, ONIG_ENCODING_UTF16_BE,
-                  ONIG_OPTION_IGNORECASE,
-                  "\000I\000i\000\000", "\001\061\001\060\000\000");
+  r = exec(ONIG_ENCODING_UTF16_BE, ONIG_OPTION_IGNORECASE,
+           "\000I\000i\000\000", "\001\061\001\060\000\000");
 
-  r = exec_deluxe(ONIG_ENCODING_UTF16_BE, ONIG_ENCODING_UTF16_BE,
-                  ONIG_OPTION_IGNORECASE,
-                  "\001\061\001\060\000\000", "\000I\000i\000\000");
+  r = exec(ONIG_ENCODING_UTF16_BE, ONIG_OPTION_IGNORECASE,
+           "\001\061\001\060\000\000", "\000I\000i\000\000");
 
   set_case_fold(ONIGENC_CASE_FOLD_MIN);
 #endif
diff --git a/sample/listcap.c b/sample/listcap.c
index e0fe23a..a73f7d4 100644
--- a/sample/listcap.c
+++ b/sample/listcap.c
@@ -69,6 +69,8 @@ extern int ex(unsigned char* str, unsigned char* pattern,
   else { /* error */
     char s[ONIG_MAX_ERROR_MESSAGE_LEN];
     onig_error_code_to_str((UChar* )s, r);
+    onig_region_free(region, 1 /* 1:free self, 0:free contents only */);
+    onig_free(reg);
     return -1;
   }
 
diff --git a/sample/names.c b/sample/names.c
index a838056..9b1eb24 100644
--- a/sample/names.c
+++ b/sample/names.c
@@ -65,6 +65,9 @@ extern int main(int argc, char* argv[])
   else { /* error */
     char s[ONIG_MAX_ERROR_MESSAGE_LEN];
     onig_error_code_to_str((UChar* )s, r);
+    onig_region_free(region, 1 /* 1:free self, 0:free contents only */);
+    onig_free(reg);
+    onig_end();
     return -1;
   }
 
diff --git a/sample/posix.c b/sample/posix.c
index 35ccb68..c555936 100644
--- a/sample/posix.c
+++ b/sample/posix.c
@@ -49,6 +49,7 @@ extern int main(int argc, char* argv[])
     regerror(r, &reg, buf, sizeof(buf));
     fprintf(stderr, "ERROR: %s\n", buf);
     regfree(&reg);
+    onig_end();
     return -1;
   }
   x(&reg, pattern, (UChar* )"aaabbbbd");
@@ -60,6 +61,7 @@ extern int main(int argc, char* argv[])
     regerror(r, &reg, buf, sizeof(buf));
     fprintf(stderr, "ERROR: %s\n", buf);
     regfree(&reg);
+    onig_end();
     return -1;
   }
   x(&reg, pattern, (UChar* )"a+b{2,7}d?|uuu");
@@ -71,6 +73,7 @@ extern int main(int argc, char* argv[])
     regerror(r, &reg, buf, sizeof(buf));
     fprintf(stderr, "ERROR: %s\n", buf);
     regfree(&reg);
+    onig_end();
     return -1;
   }
   x(&reg, pattern, (UChar* )"aaaabbbbbbd");
@@ -83,6 +86,7 @@ extern int main(int argc, char* argv[])
     regerror(r, &reg, buf, sizeof(buf));
     fprintf(stderr, "ERROR: %s\n", buf);
     regfree(&reg);
+    onig_end();
     return -1;
   }
   x(&reg, pattern, (UChar* )"aaabbbbd)");
@@ -93,6 +97,7 @@ extern int main(int argc, char* argv[])
     regerror(r, &reg, buf, sizeof(buf));
     fprintf(stderr, "ERROR: %s\n", buf);
     regfree(&reg);
+    onig_end();
     return -1;
   }
   x(&reg, pattern, (UChar* )"a\nb\n");
diff --git a/sample/regset.c b/sample/regset.c
new file mode 100644
index 0000000..ca3a10c
--- /dev/null
+++ b/sample/regset.c
@@ -0,0 +1,94 @@
+/*
+ * regset.c
+ */
+#include <stdio.h>
+#include <string.h>
+#include "oniguruma.h"
+
+extern int main(int argc, char* argv[])
+{
+  int r;
+  int i, n;
+  int match_pos;
+  unsigned char *start, *range, *end;
+  OnigRegSet* set;
+  OnigRegSetLead lead;
+  regex_t* reg;
+  OnigErrorInfo einfo;
+  char ebuf[ONIG_MAX_ERROR_MESSAGE_LEN];
+
+  static UChar* str = (UChar* )"aaaaaaaaaaaaaaaaaaaaaaca";
+
+  static char* pat[] = {
+    "a(.*)b|a(.)c",
+    "^(abc)",
+    "a(.....)c"
+  };
+
+  OnigEncoding use_encs[] = { ONIG_ENCODING_UTF8 };
+  onig_initialize(use_encs, sizeof(use_encs)/sizeof(use_encs[0]));
+
+  r = onig_regset_new(&set, 0, NULL);
+  if (r != ONIG_NORMAL) {
+    onig_error_code_to_str((UChar* )ebuf, r);
+    fprintf(stderr, "ERROR: %s\n", ebuf);
+    onig_end();
+    return -1;
+  }
+
+  n = sizeof(pat) / sizeof(pat[0]);
+
+  for (i = 0; i < n; i++) {
+    r = onig_new(&reg, (UChar* )pat[i], (UChar* )(pat[i] + strlen(pat[i])),
+                 ONIG_OPTION_DEFAULT, ONIG_ENCODING_UTF8, ONIG_SYNTAX_DEFAULT,
+                 &einfo);
+    if (r != ONIG_NORMAL) {
+      onig_error_code_to_str((UChar* )ebuf, r, &einfo);
+      fprintf(stderr, "ERROR: %s\n", ebuf);
+      onig_regset_free(set);
+      onig_end();
+      return -1;
+    }
+
+    r = onig_regset_add(set, reg);
+    if (r != ONIG_NORMAL) {
+      onig_free(reg);
+      onig_regset_free(set);
+      onig_end();
+      return -1;
+    }
+  }
+
+  end   = str + strlen((char* )str);
+  start = str;
+  range = end;
+  lead = ONIG_REGSET_POSITION_LEAD;
+  //lead = ONIG_REGSET_PRIORITY_TO_REGEX_ORDER;
+  r = onig_regset_search(set, str, end, start, range, lead, ONIG_OPTION_NONE,
+                         &match_pos);
+  if (r >= 0) {
+    OnigRegion *region;
+
+    fprintf(stderr, "match regex index: %d\n", r);
+    fprintf(stderr, "match position: %d\n", match_pos);
+
+    region = onig_regset_get_region(set, r);
+    for (i = 0; i < region->num_regs; i++) {
+      fprintf(stderr, "%d: (%d-%d)\n", i, region->beg[i], region->end[i]);
+    }
+  }
+  else if (r == ONIG_MISMATCH) {
+    fprintf(stderr, "search fail\n");
+  }
+  else { /* error */
+    onig_error_code_to_str((UChar* )ebuf, r);
+    fprintf(stderr, "ERROR: %s\n", ebuf);
+    onig_regset_free(set);
+    onig_end();
+    return -1;
+  }
+
+  onig_regset_free(set);
+  onig_end();
+  return 0;
+}
diff --git a/sample/scan.c b/sample/scan.c
index ad5ae74..4039e46 100644
--- a/sample/scan.c
+++ b/sample/scan.c
@@ -36,6 +36,7 @@ scan(regex_t* reg, unsigned char* str, unsigned char* end)
     char s[ONIG_MAX_ERROR_MESSAGE_LEN];
     onig_error_code_to_str((OnigUChar* )s, r);
     fprintf(stderr, "ERROR: %s\n", s);
+    onig_region_free(region, 1 /* 1:free self, 0:free contents only */);
     return -1;
   }
 
@@ -63,6 +64,7 @@ exec(OnigEncoding enc, OnigOptionType options, char* apattern, char* astr)
     char s[ONIG_MAX_ERROR_MESSAGE_LEN];
     onig_error_code_to_str((OnigUChar* )s, r, &einfo);
     fprintf(stderr, "ERROR: %s\n", s);
+    onig_end();
     return -1;
   }
 
diff --git a/sample/simple.c b/sample/simple.c
index 95110b8..5a14042 100644
--- a/sample/simple.c
+++ b/sample/simple.c
@@ -49,6 +49,9 @@ extern int main(int argc, char* argv[])
     char s[ONIG_MAX_ERROR_MESSAGE_LEN];
     onig_error_code_to_str((UChar* )s, r);
     fprintf(stderr, "ERROR: %s\n", s);
+    onig_region_free(region, 1 /* 1:free self, 0:free contents only */);
+    onig_free(reg);
+    onig_end();
     return -1;
   }
 
diff --git a/sample/sql.c b/sample/sql.c
index 8e95f70..1602ac9 100644
--- a/sample/sql.c
+++ b/sample/sql.c
@@ -42,6 +42,7 @@ extern int main(int argc, char* argv[])
     char s[ONIG_MAX_ERROR_MESSAGE_LEN];
     onig_error_code_to_str((UChar* )s, r, &einfo);
     fprintf(stderr, "ERROR: %s\n", s);
+    onig_end();
     return -1;
   }
 
@@ -66,6 +67,9 @@ extern int main(int argc, char* argv[])
     char s[ONIG_MAX_ERROR_MESSAGE_LEN];
     onig_error_code_to_str((UChar* )s, r);
     fprintf(stderr, "ERROR: %s\n", s);
+    onig_region_free(region, 1 /* 1:free self, 0:free contents only */);
+    onig_free(reg);
+    onig_end();
     return -1;
   }
 
diff --git a/sample/syntax.c b/sample/syntax.c
index e292079..e034608 100644
--- a/sample/syntax.c
+++ b/sample/syntax.c
@@ -45,6 +45,8 @@ extern int exec(OnigSyntaxType* syntax, char* apattern, char* astr)
     char s[ONIG_MAX_ERROR_MESSAGE_LEN];
     onig_error_code_to_str((UChar* )s, r);
     fprintf(stderr, "ERROR: %s\n", s);
+    onig_region_free(region, 1 /* 1:free self, 0:free contents only */);
+    onig_free(reg);
     return -1;
   }
 
diff --git a/sample/user_property.c b/sample/user_property.c
index 8b2abd2..d52adc0 100644
--- a/sample/user_property.c
+++ b/sample/user_property.c
@@ -40,6 +40,7 @@ main(int argc, char* argv[])
     char s[ONIG_MAX_ERROR_MESSAGE_LEN];
     onig_error_code_to_str((UChar* )s, r);
     fprintf(stderr, "ERROR: %s\n", s);
+    onig_end();
     return -1;
   }
 
@@ -52,6 +53,7 @@ main(int argc, char* argv[])
     char s[ONIG_MAX_ERROR_MESSAGE_LEN];
     onig_error_code_to_str((UChar* )s, r, &einfo);
     fprintf(stderr, "onig_new: ERROR: %s\n", s);
+    onig_end();
     return -1;
   }
 
@@ -76,6 +78,9 @@ main(int argc, char* argv[])
     char s[ONIG_MAX_ERROR_MESSAGE_LEN];
     onig_error_code_to_str((UChar* )s, r);
     fprintf(stderr, "ERROR: %s\n", s);
+    onig_region_free(region, 1 /* 1:free self, 0:free contents only */);
+    onig_free(reg);
+    onig_end();
     return -1;
   }