[tor-commits] [tor/master] Add a case-insensitive variant to config_line_find()

[dgoulet@xxxxxxxxxxxxxx]

commit dab35386cafc837c29fd251213337dec092043fe
Author: Nick Mathewson <nickm@xxxxxxxxxxxxxx>
Date:   Mon Apr 8 10:28:56 2019 -0400

    Add a case-insensitive variant to config_line_find()
---
 src/lib/encoding/confline.c | 13 +++++++++++++
 src/lib/encoding/confline.h |  2 ++
 2 files changed, 15 insertions(+)

diff --git a/src/lib/encoding/confline.c b/src/lib/encoding/confline.c
index 8110f3dd9..fdb575e03 100644
--- a/src/lib/encoding/confline.c
+++ b/src/lib/encoding/confline.c
@@ -82,6 +82,19 @@ config_line_find(const config_line_t *lines,
   return NULL;
 }
 
+/** As config_line_find(), but perform a case-insensitive comparison. */
+const config_line_t *
+config_line_find_case(const config_line_t *lines,
+                      const char *key)
+{
+  const config_line_t *cl;
+  for (cl = lines; cl; cl = cl->next) {
+    if (!strcasecmp(cl->key, key))
+      return cl;
+  }
+  return NULL;
+}
+
 /** Auxiliary function that does all the work of config_get_lines.
  * <b>recursion_level</b> is the count of how many nested %includes we have.
  * <b>opened_lst</b> will have a list of opened files if provided.
diff --git a/src/lib/encoding/confline.h b/src/lib/encoding/confline.h
index 3d9ae8a66..56ea36bf6 100644
--- a/src/lib/encoding/confline.h
+++ b/src/lib/encoding/confline.h
@@ -48,6 +48,8 @@ config_line_t *config_lines_dup_and_filter(const config_line_t *inp,
                                            const char *key);
 const config_line_t *config_line_find(const config_line_t *lines,
                                       const char *key);
+const config_line_t *config_line_find_case(const config_line_t *lines,
+                                           const char *key);
 int config_lines_eq(config_line_t *a, config_line_t *b);
 int config_count_key(const config_line_t *a, const char *key);
 void config_free_lines_(config_line_t *front);



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