regex: do not call `regfree()` if compilation fails

diff --git a/grep.c b/grep.c
index 3d7cd0e96f1ee160a66dd500c58d4026bf24e34c..35fccf9aba4ceaec944acb11308658869c638308 100644 (file)
--- a/grep.c
+++ b/grep.c
@@ -18,6 +18,11 @@ static void std_output(struct grep_opt *opt, const void *buf, size_t size)
        fwrite(buf, size, 1, stdout);
 }
 
+static void color_set(char *dst, const char *color_bytes)
+{
+       xsnprintf(dst, COLOR_MAXLEN, "%s", color_bytes);
+}
+
 /*
  * Initialize the grep_defaults template with hardcoded defaults.
  * We could let the compiler do this, but without C99 initializers
@@ -631,7 +636,6 @@ static void compile_fixed_regexp(struct grep_pat *p, struct grep_opt *opt)
        if (err) {
                char errbuf[1024];
                regerror(err, &p->regexp, errbuf, sizeof(errbuf));
-               regfree(&p->regexp);
                compile_regexp_failed(p, errbuf);
        }
 }
@@ -696,7 +700,6 @@ static void compile_regexp(struct grep_pat *p, struct grep_opt *opt)
        if (err) {
                char errbuf[1024];
                regerror(err, &p->regexp, errbuf, 1024);
-               regfree(&p->regexp);
                compile_regexp_failed(p, errbuf);
        }
 }