Move string functions to lstring.[hc]

1 files changed, 34 insertions, 0 deletions

diff --git a/lstring.h b/lstring.h
new file mode 100644
index 0000000..1d20967
--- /dev/null
+++ b/lstring.h
@@ -0,0 +1,34 @@
+#ifndef _LSTRING_H_
+#define _LSTRING_H_
+
+#include "asn1.h"
+#include "types.h"
+
+#include <ctype.h>
+#include <string.h>
+
+BOOL isInt(const struct string * const value, int start);
+
+uint32_t parseUInt32(const struct string * const s);
+
+static inline int equals(const struct string *a, const struct string *b)
+{
+	if (a->l != b->l) return 0;
+	if (a->s == b->s) return 1;
+	return strncmp(a->s, b->s, a->l) == 0;
+}
+
+/**
+ * b MUST be in lowercase already.
+ */
+static inline int iequals(const struct string * const a, const struct string * const b)
+{
+	if (a->l != b->l) return 0;
+	if (a->s == b->s) return 1;
+	for (size_t i = 0; i < a->l; ++i) {
+		if (tolower(a->s[i]) != b->s[i]) return 0;
+	}
+	return 1;
+}
+
+#endif