X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=string.c;h=7123ba1ae5e00dfc13e1417bfbafd102c3946175;hp=aa3bcbddabe425cc823e3ad5e567f707f70dbccb;hb=e151dbb79eac16326585ec0a33cf48029f5f22f4;hpb=e31d5dc4774caa3a90d8be566bfd94b9e5cf1482

diff --git a/string.c b/string.c
index aa3bcbdd..7123ba1a 100644
--- a/string.c
+++ b/string.c
@@ -855,6 +855,27 @@ err:
 	return ret;
 }
 
+/**
+ * Find out if the given string is contained in the arg vector.
+ *
+ * \param arg The string to look for.
+ * \param argv The array to search.
+ *
+ * \return The first index whose value equals \a arg, or \p -E_ARG_NOT_FOUND if
+ * arg was not found in \a argv.
+ */
+int find_arg(const char *arg, char **argv)
+{
+	int i;
+
+	if (!argv)
+		return -E_ARG_NOT_FOUND;
+	for (i = 0; argv[i]; i++)
+		if (strcmp(arg, argv[i]) == 0)
+			return i;
+	return -E_ARG_NOT_FOUND;
+}
+
 /**
  * Compile a regular expression.
  *