Added string procs

1 files changed, 15 insertions, 8 deletions

diff --git a/src/string.h b/src/string.h
index 999add8..a2e69c9 100644
--- a/src/string.h
+++ b/src/string.h
@@ -10,21 +10,28 @@ typedef struct {
     u64 len;
 } strng_t;
 
+typedef struct {
+       u64   start;
+       u64     end;
+       u64     max;
+char const *string;
+} strng_view_t;
+
 strng_t * strng_new(smrt_arena_t *arena, u64 size);
 strng_t *strng_from(smrt_arena_t *arena, char const *c);
 strng_t * strng_dup(smrt_arena_t *arena, strng_t const *src);
    char * strng_str(smrt_arena_t *arena, strng_t const *string);
     i32   strng_set(strng_t *string, char const *c);
+// Append to strng, returns -1 if no space, new len otherwise
+    i32   strng_app(strng_t *dest, strng_t const *source);
+// Append char* to strng, returns -1 if no space, new len otherwise
+    i32 strng_app_c(strng_t *dest, char const *source);
+// Append sv to strng, returns -1 if no space, new len otherwise
+    i32 strng_app_v(strng_t *dest, strng_view_t const *source);
    void strng_clear(strng_t *string);
 
-#define STRNG_FMT(s) (i32)s->len, (char *)((u8*)s+STRNG_BASE_POS)
-
-typedef struct {
-       u64   start;
-       u64     end;
-       u64     max;
-char const *string;
-} strng_view_t;
+#define STRNG_TO(s) (char *)((u8*)(s)+STRNG_BASE_POS)
+#define STRNG_FMT(s) (i32)s->len, (char *)((u8*)(s)+STRNG_BASE_POS)
 
 static inline strng_view_t sv_from(strng_t *string) {
     return (strng_view_t){