1 files changed, 43 insertions, 0 deletions
diff --git a/kernel/lib/sv.h b/kernel/lib/sv.h
new file mode 100644
index 0000000..b5cb0c9
--- /dev/null
+++ b/kernel/lib/sv.h
@@ -0,0 +1,43 @@
+#ifndef SV_H
+#define SV_H
+#include "sb.h"
+#include <stddef.h>
+
+#define SB_TO_SV(_sb)                                                          \
+  (struct sv) {                                                                \
+    .s = (_sb).string, .length = (_sb).length                                  \
+  }
+
+#define C_TO_SV(_c_string)                                                     \
+  ((struct sv){.length = strlen(_c_string), .s = (_c_string)})
+
+#define sv_length(a) ((a).length)
+
+struct sv {
+  const char *s;
+  size_t length;
+};
+
+struct sv sv_init(const char *s, size_t length);
+char *SV_TO_C(struct sv s);
+size_t sv_to_cstring_buffer(struct sv s, char *buffer, size_t length);
+struct sv sv_split_delim(const struct sv input, struct sv *rest, char delim);
+struct sv sv_end_split_delim(const struct sv input, struct sv *rest,
+                             char delim);
+struct sv sv_split_space(const struct sv input, struct sv *rest);
+struct sv sv_skip_chars(const struct sv input, const char *chars);
+struct sv sv_split_function(const struct sv input, struct sv *rest,
+                            int (*function)(int));
+struct sv sv_take(struct sv s, struct sv *rest, size_t n);
+struct sv sv_take_end(struct sv s, struct sv *rest, size_t n);
+struct sv sv_next(struct sv s);
+int sv_isempty(struct sv s);
+char sv_peek(struct sv s);
+int sv_eq(struct sv a, struct sv b);
+int sv_partial_eq(struct sv a, struct sv b);
+struct sv sv_trim_left(struct sv s, size_t n);
+struct sv sv_clone(struct sv s);
+struct sv sv_clone_from_c(const char *s);
+char *sv_copy_to_c(struct sv s, char *out, size_t buffer_length);
+uint64_t sv_parse_unsigned_number(struct sv input, struct sv *rest);
+#endif