Mark token array as const

diff --git a/unify.c b/unify.c
index 038705cb205b1675c916557bcef84a31032c8cd7..2dfecb206eecdf9ff83ac973f48d42a87af874bd 100644 (file)
--- a/unify.c
+++ b/unify.c
@@ -40,7 +40,7 @@
 #include <string.h>
 #include <unistd.h>
 
-static char *s_tokens[] = {
+static const char *const s_tokens[] = {
        "...",  ">>=",  "<<=",  "+=",   "-=",   "*=",   "/=",   "%=",   "&=",   "^=",
        "|=",   ">>",   "<<",   "++",   "--",   "->",   "&&",   "||",   "<=",   ">=",
        "==",   "!=",   ";",    "{",    "<%",   "}",    "%>",   ",",    ":",    "=",
@@ -61,7 +61,7 @@ static char *s_tokens[] = {
 static struct {
        unsigned char type;
        unsigned char num_toks;
-       char *toks[7];
+       const char *toks[7];
 } tokens[256];
 
 /* build up the table used by the unifier */