[augeas-devel] [PATCH 4/8] regexp: add convenience function make_regexp_dup

[lutter at redhat.com]

From: David Lutterkort <lutter at redhat.com>

---
 src/regexp.c |    9 +++++++++
 src/regexp.h |    5 +++++
 2 files changed, 14 insertions(+), 0 deletions(-)

diff --git a/src/regexp.c b/src/regexp.c
index 14020af..b5978d2 100644
--- a/src/regexp.c
+++ b/src/regexp.c
@@ -113,6 +113,15 @@ void print_regexp(FILE *out, struct regexp *r) {
         fputc('i', out);
 }
 
+struct regexp *
+make_regexp_dup(struct info *info, const char *pat, int nocase) {
+    char *p = strdup(pat);
+
+    if (p == NULL)
+        return NULL;
+    return make_regexp(info, p, nocase);
+}
+
 struct regexp *make_regexp(struct info *info, char *pat, int nocase) {
     struct regexp *regexp;
 
diff --git a/src/regexp.h b/src/regexp.h
index 221252c..e770735 100644
--- a/src/regexp.h
+++ b/src/regexp.h
@@ -41,6 +41,11 @@ void print_regexp(FILE *out, struct regexp *regexp);
  */
 struct regexp *make_regexp(struct info *info, char *pat, int nocase);
 
+/* Make a regexp with pattern PAT, which is copied. Ownership of INFO is
+ * taken.
+ */
+struct regexp *make_regexp_dup(struct info *info, const char *pat, int nocase);
+
 /* Return 1 if R is an empty pattern, i.e. one consisting of nothing but
    '(' and ')' characters, 0 otherwise */
 int regexp_is_empty_pattern(struct regexp *r);
-- 
1.7.4.4