perf(core,lib): return new sasa when adding sasa or HOLE_SASA on failure

include/tanabata.h

@@ -40,7 +40,7 @@ int tanabata_dump(Tanabata *tanabata, const char *path);
 // ==================== SASA SECTION ==================== //
 
 // Add sasa
-uint64_t tanabata_sasa_add(Tanabata *tanabata, const char *path);
+Sasa tanabata_sasa_add(Tanabata *tanabata, const char *path);
 
 // Remove sasa by ID
 int tanabata_sasa_rem(Tanabata *tanabata, uint64_t sasa_id);

tanabata/core/core_func.h

@@ -35,7 +35,7 @@ int sasahyou_open(Sasahyou *sasahyou, const char *path);
 int sasahyou_dump(Sasahyou *sasahyou, const char *path);
 
 // Add sasa to sasahyou
-uint64_t sasa_add(Sasahyou *sasahyou, const char *path);
+Sasa sasa_add(Sasahyou *sasahyou, const char *path);
 
 // Remove sasa from sasahyou
 int sasa_rem(Sasahyou *sasahyou, uint64_t sasa_id);

tanabata/core/sasahyou.c

@@ -144,9 +144,9 @@ int sasahyou_dump(Sasahyou *sasahyou, const char *path) {
     return sasahyou_save(sasahyou);
 }
 
-uint64_t sasa_add(Sasahyou *sasahyou, const char *path) {
+Sasa sasa_add(Sasahyou *sasahyou, const char *path) {
     if (path == NULL || sasahyou->size == -1 && sasahyou->hole_cnt == 0) {
-        return HOLE_ID;
+        return HOLE_SASA;
     }
     Sasa newbie;
     newbie.created_ts = time(NULL);
@@ -165,7 +165,7 @@ uint64_t sasa_add(Sasahyou *sasahyou, const char *path) {
         sasahyou->database[newbie.id] = newbie;
     }
     sasahyou->modified_ts = newbie.created_ts;
-    return newbie.id;
+    return newbie;
 }
 
 int sasa_rem(Sasahyou *sasahyou, uint64_t sasa_id) {

tanabata/lib/sasa.c

@@ -1,7 +1,7 @@
 #include "../core/core_func.h"
 #include "../../include/tanabata.h"
 
-uint64_t tanabata_sasa_add(Tanabata *tanabata, const char *path) {
+Sasa tanabata_sasa_add(Tanabata *tanabata, const char *path) {
     return sasa_add(&tanabata->sasahyou, path);
 }