bug fixes

2 files changed, 55 insertions, 0 deletions

diff --git a/userland/libc/include/tb/sb.h b/userland/libc/include/tb/sb.h
new file mode 100644
index 0000000..5675985
--- /dev/null
+++ b/userland/libc/include/tb/sb.h
@@ -0,0 +1,23 @@
+#ifndef SB_H
+#define SB_H
+#include "sv.h"
+#include <stddef.h>
+
+struct sb {
+  char *string;
+  size_t length;
+  size_t capacity;
+};
+
+struct sv;
+
+void sb_init(struct sb *ctx);
+void sb_free(struct sb *ctx);
+void sb_reset(struct sb *ctx);
+int sb_isempty(const struct sb *ctx);
+void sb_append_char(struct sb *ctx, char c);
+int sb_delete_right(struct sb *ctx, int n);
+void sb_append(struct sb *ctx, const char *s);
+void sb_append_sv(struct sb *ctx, struct sv sv);
+void sb_prepend_sv(struct sb *ctx, struct sv sv);
+#endif
diff --git a/userland/libc/include/tb/sv.h b/userland/libc/include/tb/sv.h
new file mode 100644
index 0000000..6e81b0b
--- /dev/null
+++ b/userland/libc/include/tb/sv.h
@@ -0,0 +1,32 @@
+#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)})
+
+struct sv {
+  const char *s;
+  size_t length;
+};
+
+char *SV_TO_C(struct sv s);
+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);
+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);
+#endif