add jrk_sv_equals functions.

1 files changed, 28 insertions, 3 deletions

diff --git a/jrk.h b/jrk.h
index 54213b7..c6c70f8 100644
--- a/jrk.h
+++ b/jrk.h
@@ -4,11 +4,12 @@
  *     that i like.
  *
  * TODO:
- *   - add jrk_StringView compare function.
- *
  *   - remove strnlen/strncmp from hm impl. should probably be using
  *     jrk_StringView's
  *
+ *   - add a log interface to give user control of logging.
+ *     disable completely, log to file, log format, etc.
+ *
  *   - look at at the jrk_sv_chop_delim_loop stuff. there must
  *     must be a better way of handling things.
  */
@@ -31,6 +32,8 @@ typedef double f64;
 
 #define JRK_UNUSED(x) (void)x
 #define JRK_ARRLENGTH(arr) (sizeof(arr) / sizeof(arr[0]))
+#define JRK_MIN(a, b) ((a) < (b) ? (a) : (b))
+#define JRK_MAX(a, b) ((a) > (b) ? (a) : (b))
 
 #define jrk_return_defer(value) \
     do { result = value; goto defer; } while(0)
@@ -82,6 +85,8 @@ jrk_StringView jrk_sv_trim_left(jrk_StringView);
 jrk_StringView jrk_sv_trim(jrk_StringView);
 jrk_StringView jrk_sv_from_cstr(char*);
 jrk_StringView jrk_sv_chop_delim(jrk_StringView*, char delim);
+bool jrk_sv_equals(jrk_StringView*, jrk_StringView*);       // takes the lowest size and matches up to that size
+bool jrk_sv_equals_exact(jrk_StringView*, jrk_StringView*); // must be same size to be equals
 
 char *jrk_tmpstrings_push(char*);
 char *jrk_tmpstrings_pushf(char*, ...);
@@ -794,10 +799,30 @@ jrk_sv_chop_delim(jrk_StringView *sv, char delim)
     return result;
 }
 
+bool
+jrk_sv_equals(jrk_StringView *a, jrk_StringView *b)
+{
+    for (u64 i = 0; i < JRK_MIN(a->size, b->size); ++i)
+        if (a->data[i] != b->data[i]) return false;
+
+    return true;
+}
+
+bool
+jrk_sv_equals_exact(jrk_StringView *a, jrk_StringView *b)
+{
+    if (a->size != b->size) return false;
+
+    for (u64 i = 0; i < a->size; ++i)
+        if (a->data[i] != b->data[i]) return false;
+
+    return true;
+}
+
 uint64_t jrk_fnv1a_64(uint8_t *data, uint64_t size)
 {
     uint64_t result = FNV1A_64_OFFSET_BASIS;
-    for (uint64_t i = 0; i < size; ++i) {
+    for (u64 i = 0; i < size; ++i) {
         result ^= data[i];
         result *= FNV1A_64_PRIME;
     }