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Free the original pointer if realloc failed.

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The POSIX `realloc` keep the original pointer untouched, so it can
easily leads to memory leakage. `mrb_realloc()` should handle those
bookkeeping, while `mrb_realloc_simple()` keeps the original `realloc`
behavior.
This commit is contained in:
Yukihiro "Matz" Matsumoto
2020-06-23 13:19:10 +09:00
parent 95360a17f2
commit 9cdf439db5
1 changed files with 3 additions and 8 deletions
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src/gc.c
+3 -8
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@@ -225,14 +225,9 @@ mrb_realloc(mrb_state *mrb, void *p, size_t len)
p2 = mrb_realloc_simple(mrb, p, len);
if (len == 0) return p2;
if (p2 == NULL) {
if (mrb->gc.out_of_memory) {
mrb_raise_nomemory(mrb);
/* mrb_panic(mrb); */
}
else {
mrb->gc.out_of_memory = TRUE;
mrb_raise_nomemory(mrb);
}
mrb_free(mrb, p);
mrb->gc.out_of_memory = TRUE;
mrb_raise_nomemory(mrb);
}
else {
mrb->gc.out_of_memory = FALSE;