src/utils_array.[ch]: Implement "array_sort".

diff --git a/src/utils_array.c b/src/utils_array.c
index 5aaabbc5c1d35d38e96ffef8af099775f7a0ed32..e7ac51e784fe9aaa5def1b5fac5fe2c6e0dd70fc 100644 (file)
--- a/src/utils_array.c
+++ b/src/utils_array.c
@@ -12,6 +12,14 @@ struct str_array_s
   size_t size;
 };
 
+static int sort_callback (const void *v0, const void *v1) /* {{{ */
+{
+  const char *c0 = v0;
+  const char *c1 = v1;
+
+  return (strcmp (c0, c1));
+} /* }}} int sort_callback */
+
 str_array_t *array_create (void) /* {{{ */
 {
   str_array_t *a;
@@ -76,6 +84,16 @@ int array_append_format (str_array_t *a, const char *format, ...) /* {{{ */
   return (array_append (a, buffer));
 } /* }}} int array_append_format */
 
+int array_sort (str_array_t *a) /* {{{ */
+{
+  if (a == NULL)
+    return (EINVAL);
+
+  qsort (a->ptr, a->size, sizeof (*a->ptr), sort_callback);
+
+  return (0);
+} /* }}} int array_sort */
+
 int array_argc (str_array_t *a) /* {{{ */
 {
   if (a == NULL)

diff --git a/src/utils_array.h b/src/utils_array.h
index 917bea95e9cee0b142b2809cf1e059f416e7b63c..141dbaa48fdd2ca432cb5ee0459c05c09e61a0c5 100644 (file)
--- a/src/utils_array.h
+++ b/src/utils_array.h
@@ -10,6 +10,8 @@ int array_append (str_array_t *a, const char *entry);
 int array_append_format (str_array_t *a, const char *format, ...)
   __attribute__((format(printf,2,3)));
 
+int array_sort (str_array_t *a);
+
 int array_argc (str_array_t *);
 char **array_argv (str_array_t *);