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-rw-r--r--src/include/regex/regerrs.h4
-rw-r--r--src/include/regex/regex.h1
-rw-r--r--src/include/regex/regguts.h1
3 files changed, 6 insertions, 0 deletions
diff --git a/src/include/regex/regerrs.h b/src/include/regex/regerrs.h
index b8cc1f3da73..15da324b660 100644
--- a/src/include/regex/regerrs.h
+++ b/src/include/regex/regerrs.h
@@ -77,3 +77,7 @@
{
REG_ETOOBIG, "REG_ETOOBIG", "nfa has too many states"
},
+
+{
+ REG_ECOLORS, "REG_ECOLORS", "too many colors"
+},
diff --git a/src/include/regex/regex.h b/src/include/regex/regex.h
index 52857a28894..0ab02203124 100644
--- a/src/include/regex/regex.h
+++ b/src/include/regex/regex.h
@@ -152,6 +152,7 @@ typedef struct
#define REG_MIXED 17 /* character widths of regex and string differ */
#define REG_BADOPT 18 /* invalid embedded option */
#define REG_ETOOBIG 19 /* nfa has too many states */
+#define REG_ECOLORS 20 /* too many colors */
/* 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 */
diff --git a/src/include/regex/regguts.h b/src/include/regex/regguts.h
index 973e99a0823..9cd0ef9fdf6 100644
--- a/src/include/regex/regguts.h
+++ b/src/include/regex/regguts.h
@@ -148,6 +148,7 @@
typedef short color; /* colors of characters */
typedef int pcolor; /* what color promotes to */
+#define MAX_COLOR 32767 /* max color (must fit in 'color' datatype) */
#define COLORLESS (-1) /* impossible color */
#define WHITE 0 /* default color, parent of all others */