add function string_option to misc.c use in skin_parser.c

function string_option allows a string to be found in a
supplied list of options

Change-Id: If9134090406b74ab11f4ef9ed6517a4b99b9d73e

1 files changed, 35 insertions, 0 deletions

diff --git a/apps/misc.c b/apps/misc.c
index 2668ba714d..350537dc31 100644
--- a/apps/misc.c
+++ b/apps/misc.c
@@ -1384,6 +1384,41 @@ int split_string(char *str, const char split_char, char *vector[], const int vec
     return i;
 }
 
+/* returns match index from option list
+ * returns -1 if option was not found
+ * option list is array of char pointers with the final item set to null
+ * ex - const char *option[] = { "op_a", "op_b", "op_c", NULL}
+ */
+
+int string_option(const char *option, const char *const oplist[], bool ignore_case)
+{
+    int i;
+    int ifound = -1;
+    const char *op;
+    if (ignore_case)
+    {
+        for (i=0; (op=oplist[i]) != NULL; i++)
+        {
+            if (strcasecmp(op, option) == 0)
+            {
+                ifound = i;
+                break;
+            }
+        }
+    }
+    else
+    {
+        for (i=0; (op=oplist[i]) != NULL; i++)
+        {
+            if (strcmp(op, option) == 0)
+            {
+                ifound = i;
+                break;
+            }
+        }
+    }
+    return ifound;
+}
 
 /** Open a UTF-8 file and set file descriptor to first byte after BOM.
  *  If no BOM is present this behaves like open().