Add guf_str_view functions

src/guf_str.h

@@ -36,7 +36,6 @@ typedef struct guf_str {
     guf_str_state state;
 } guf_str; 
 
-
 #define GUF_CSTR_TO_VIEW(CSTR) ((guf_str_view){.str = (CSTR), .len = strlen((CSTR))})
 #define GUF_STR_TO_VIEW(GUF_STR_PTR) ((guf_str_view){.str = guf_str_const_cstr((GUF_STR_PTR)), .len = guf_str_len((GUF_STR_PTR))})
 #define GUF_CSTR_TO_READONLY_STR(CSTR) ((guf_str){.state = GUF_STR_STATE_VIEW, .allocator = NULL, .data.heap.c_str = CSTR, .data.heap.len = strlen(CSTR), .data.heap.capacity = 0})
@@ -91,13 +90,17 @@ GUF_STR_KWRDS bool guf_str_is_valid(const guf_str *str);
 GUF_STR_KWRDS bool guf_str_alloc_success(const guf_str *str);
 
 GUF_STR_KWRDS guf_hash_size_t guf_str_view_hash(const guf_str_view *sv);
+GUF_STR_KWRDS uint64_t guf_str_view_hash64(const guf_str_view *sv);
+GUF_STR_KWRDS uint32_t guf_str_view_hash32(const guf_str_view *sv);
 
 // Comparison:
 GUF_STR_KWRDS bool guf_str_view_equal(const guf_str_view* a, const guf_str_view* b);
+GUF_STR_KWRDS bool guf_str_view_equal_val_arg(guf_str_view a_val, guf_str_view b_val);
+GUF_STR_KWRDS int guf_str_view_cmp(const void *str_view_a, const void *str_view_b);  // For qsort etc.
+
 GUF_STR_KWRDS bool guf_str_equal(const guf_str *a, const guf_str *b);
 GUF_STR_KWRDS bool guf_str_equals_cstr(const guf_str *a, const char *c_str);
 GUF_STR_KWRDS bool guf_str_equals_strview(const guf_str *a,  guf_str_view b);
-GUF_STR_KWRDS int guf_str_view_cmp(const void *str_view_a, const void *str_view_b); // For qsort etc.
 
 #endif
 
@@ -112,6 +115,8 @@ GUF_STR_KWRDS int guf_str_view_cmp(const void *str_view_a, const void *str_view_
 #endif
 #include "guf_utf8.h"
 
+// TODO: find_first_of
+
 GUF_STR_KWRDS guf_str_view guf_str_next_tok(guf_str_view *input, const guf_str_view *delims, ptrdiff_t num_delims, const guf_str_view *preserved_delims, ptrdiff_t num_preserved_delims)
 {
     if (input->len <= 0 || input->str == NULL) {
@@ -182,8 +187,6 @@ GUF_STR_KWRDS guf_str_view guf_str_next_tok(guf_str_view *input, const guf_str_v
     return tok;
 }
 
-// TODO: find_first_of and tokenise -> for parsing, see aoclib.
-
 GUF_STR_KWRDS guf_str_view guf_substr_view(guf_str_view str, ptrdiff_t pos, ptrdiff_t count)
 {
     GUF_ASSERT(str.str);
@@ -207,14 +210,31 @@ GUF_STR_KWRDS guf_hash_size_t guf_str_view_hash(const guf_str_view *sv)
     if (!sv->str || sv->len <= 0) {
         return GUF_HASH_INIT;
     }
-
     return guf_hash(sv->str, sv->len, GUF_HASH_INIT);
 }
 
+GUF_STR_KWRDS uint64_t guf_str_view_hash64(const guf_str_view *sv)
+{
+    GUF_ASSERT(sv);
+    if (!sv->str || sv->len <= 0) {
+        return GUF_HASH64_INIT;
+    }
+    return guf_hash64(sv->str, sv->len, GUF_HASH64_INIT);
+}
+
+GUF_STR_KWRDS uint32_t guf_str_view_hash32(const guf_str_view *sv)
+{
+    GUF_ASSERT(sv);
+    if (!sv->str || sv->len <= 0) {
+        return GUF_HASH32_INIT;
+    }
+    return guf_hash32(sv->str, sv->len, GUF_HASH32_INIT);
+}
+
 // Comparison:
 GUF_STR_KWRDS bool guf_str_view_equal(const guf_str_view* a, const guf_str_view* b)
 {
-    GUF_ASSERT_RELEASE(a && b);
+    GUF_ASSERT(a && b);
     if (a->len != b->len) {
         return false;
     }
@@ -224,12 +244,19 @@ GUF_STR_KWRDS bool guf_str_view_equal(const guf_str_view* a, const guf_str_view*
     } else if (!a->str && !b->str) {
         return a->len == b->len;
     }
+    GUF_ASSERT(a->str && b->str);
 
-    GUF_ASSERT_RELEASE(a->len >= 0);
+    if (a->len <= 0) {
+        return true;
+    }
     
     return 0 == memcmp(a->str, b->str, a->len);
 }
 
+GUF_STR_KWRDS bool guf_str_view_equal_val_arg(guf_str_view a_val, guf_str_view b_val)
+{
+    return guf_str_view_equal(&a_val, &b_val);
+}
 
 #undef GUF_STR_IMPL
 #undef GUF_STR_IMPL_STATIC