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authorTom Lane2012-07-10 22:00:44 +0000
committerTom Lane2012-07-10 22:00:44 +0000
commita9287de1760450e7fe3b4309ee1ba7ea2af39217 (patch)
tree309455b0f7c242d78fda0048aad636765cd1e6b3 /src/include/regex/regex.h
parented45a5373029f2ff08ce76cf3807499afe3873ee (diff)
Back-patch fix for extraction of fixed prefixes from regular expressions.
Back-patch of commits 628cbb50ba80c83917b07a7609ddec12cda172d0 and c6aae3042be5249e672b731ebeb21875b5343010. This has been broken since 7.3, so back-patch to all supported branches.
Diffstat (limited to 'src/include/regex/regex.h')
-rw-r--r--src/include/regex/regex.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/include/regex/regex.h b/src/include/regex/regex.h
index cec4b837cd1..616c2c6450d 100644
--- a/src/include/regex/regex.h
+++ b/src/include/regex/regex.h
@@ -156,6 +156,9 @@ typedef struct
/* two specials for debugging and testing */
#define REG_ATOI 101 /* convert error-code name to number */
#define REG_ITOA 102 /* convert error-code number to name */
+/* non-error result codes for pg_regprefix */
+#define REG_PREFIX (-1) /* identified a common prefix */
+#define REG_EXACT (-2) /* identified an exact match */
@@ -164,6 +167,7 @@ typedef struct
*/
extern int pg_regcomp(regex_t *, const pg_wchar *, size_t, int, Oid);
extern int pg_regexec(regex_t *, const pg_wchar *, size_t, size_t, rm_detail_t *, size_t, regmatch_t[], int);
+extern int pg_regprefix(regex_t *, pg_wchar **, size_t *);
extern void pg_regfree(regex_t *);
extern size_t pg_regerror(int, const regex_t *, char *, size_t);
extern void pg_set_regex_collation(Oid collation);