Use the '=' operator (not memcpy()) to shallow-copy structs. 262/head
authorJason S. Ninneman <jsn@mbar.us>
Thu, 3 Aug 2017 19:41:35 +0000 (12:41 -0700)
committerJason S. Ninneman <jsn@mbar.us>
Thu, 3 Aug 2017 19:41:35 +0000 (12:41 -0700)
main.c
saveresume.c

diff --git a/main.c b/main.c
index 0eab6e8d19bacb4b49d0e89a655fed530f4633e9..f2e107515a70d212a678a7f47757746d7c01562c 100644 (file)
--- a/main.c
+++ b/main.c
@@ -1051,8 +1051,7 @@ Lclearobj:
             game.knfloc = 0;
 
        /* Preserve state from last command for reuse when required */
-       command_t preserve;
-       memcpy(&preserve, &command, sizeof(command_t));
+       command_t preserve = command;
 
        // Get command input from user
         if (!get_command_input(&command))
@@ -1123,8 +1122,7 @@ Lclearobj:
             }
             if ((command.word[0].id == WATER || command.word[0].id == OIL) && (command.word[1].id == PLANT || command.word[1].id == DOOR)) {
                 if (AT(command.word[1].id)) {
-                   memcpy(&command.word[1], &command.word[0],
-                          sizeof(command_word_t));
+                   command.word[1] = command.word[0];
                    command.word[0].id = POUR;
                     command.word[0].type = ACTION;
                     strncpy(command.word[0].raw, "pour", LINESIZE - 1);
@@ -1137,13 +1135,9 @@ Lclearobj:
 
            /* From OV to VO form */
            if (command.word[0].type==OBJECT && command.word[1].type==ACTION) {
-               command_word_t stage;
-               memcpy(&stage, &command.word[0],
-                          sizeof(command_word_t));
-               memcpy(&command.word[0], &command.word[1],
-                          sizeof(command_word_t));
-               memcpy(&command.word[1], &stage,
-                          sizeof(command_word_t));
+               command_word_t stage = command.word[0];
+               command.word[0] = command.word[1];
+               command.word[1] = stage;
            }
         }
 
index a3dbe968ebdaf4838ea2552d6c77b6e951143721..d8541748fbf25fe573770562028838c65248ac7a 100644 (file)
@@ -36,7 +36,7 @@ int savefile(FILE *fp, long version)
     save.mode = -1;
     save.version = (version == 0) ? VRSION : version;
 
-    memcpy(&save.game, &game, sizeof(struct game_t));
+    save.game = game;
     IGNORE(fwrite(&save, sizeof(struct save_t), 1, fp));
     return (0);
 }
@@ -119,7 +119,7 @@ int restore(FILE* fp)
     if (save.version != VRSION) {
         rspeak(VERSION_SKEW, save.version / 10, MOD(save.version, 10), VRSION / 10, MOD(VRSION, 10));
     } else {
-        memcpy(&game, &save.game, sizeof(struct game_t));
+       game = save.game;
     }
     return GO_TOP;
 }