regex: Assert that our flags values are the same as PCRE's

We rely on those flags having the same values as PCRE's (so we can pass
them right through), so assert this at compile time.

diff --git a/glib/gregex.c b/glib/gregex.c
index b7f0060..7da6569 100644 (file)
--- a/glib/gregex.c
+++ b/glib/gregex.c
@@ -125,6 +125,30 @@
                             G_REGEX_MATCH_NEWLINE_CRLF  | \
                             G_REGEX_MATCH_NEWLINE_ANY)
 
+/* we rely on these flags having the same values */
+G_STATIC_ASSERT (G_REGEX_CASELESS        == PCRE_CASELESS);
+G_STATIC_ASSERT (G_REGEX_MULTILINE       == PCRE_MULTILINE);
+G_STATIC_ASSERT (G_REGEX_DOTALL          == PCRE_DOTALL);
+G_STATIC_ASSERT (G_REGEX_EXTENDED        == PCRE_EXTENDED);
+G_STATIC_ASSERT (G_REGEX_ANCHORED        == PCRE_ANCHORED);
+G_STATIC_ASSERT (G_REGEX_DOLLAR_ENDONLY  == PCRE_DOLLAR_ENDONLY);
+G_STATIC_ASSERT (G_REGEX_UNGREEDY        == PCRE_UNGREEDY);
+G_STATIC_ASSERT (G_REGEX_NO_AUTO_CAPTURE == PCRE_NO_AUTO_CAPTURE);
+G_STATIC_ASSERT (G_REGEX_DUPNAMES        == PCRE_DUPNAMES);
+G_STATIC_ASSERT (G_REGEX_NEWLINE_CR      == PCRE_NEWLINE_CR);
+G_STATIC_ASSERT (G_REGEX_NEWLINE_LF      == PCRE_NEWLINE_LF);
+G_STATIC_ASSERT (G_REGEX_NEWLINE_CRLF    == PCRE_NEWLINE_CRLF);
+
+G_STATIC_ASSERT (G_REGEX_MATCH_ANCHORED     == PCRE_ANCHORED);
+G_STATIC_ASSERT (G_REGEX_MATCH_NOTBOL       == PCRE_NOTBOL);
+G_STATIC_ASSERT (G_REGEX_MATCH_NOTEOL       == PCRE_NOTEOL);
+G_STATIC_ASSERT (G_REGEX_MATCH_NOTEMPTY     == PCRE_NOTEMPTY);
+G_STATIC_ASSERT (G_REGEX_MATCH_PARTIAL      == PCRE_PARTIAL);
+G_STATIC_ASSERT (G_REGEX_MATCH_NEWLINE_CR   == PCRE_NEWLINE_CR);
+G_STATIC_ASSERT (G_REGEX_MATCH_NEWLINE_LF   == PCRE_NEWLINE_LF);
+G_STATIC_ASSERT (G_REGEX_MATCH_NEWLINE_CRLF == PCRE_NEWLINE_CRLF);
+G_STATIC_ASSERT (G_REGEX_MATCH_NEWLINE_ANY  == PCRE_NEWLINE_ANY);
+
 /* if the string is in UTF-8 use g_utf8_ functions, else use
  * use just +/- 1. */
 #define NEXT_CHAR(re, s) (((re)->compile_opts & PCRE_UTF8) ? \