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backtrace.c (each_backtrace): return number of traces iterated

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This commit is contained in:
Yukihiro "Matz" Matsumoto
2023-07-01 11:31:23 +09:00
parent 70b49eaef2
commit 40bdd65ce6
1 changed files with 6 additions and 3 deletions
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src/backtrace.c
+6 -3
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@@ -58,9 +58,11 @@ static const mrb_data_type bt_type = { "Backtrace", mrb_free };
static struct RObject *mrb_unpack_backtrace(mrb_state *mrb, struct RObject *backtrace);
static void
static uint32_t
each_backtrace(mrb_state *mrb, ptrdiff_t ciidx, each_backtrace_func func, void *data)
{
uint32_t n = 0;
if (ciidx >= mrb->c->ciend - mrb->c->cibase)
ciidx = 10; /* ciidx is broken... */
@@ -117,7 +119,9 @@ each_backtrace(mrb_state *mrb, ptrdiff_t ciidx, each_backtrace_func func, void *
}
func(mrb, &loc, data);
n++;
}
return n;
}
#ifndef MRB_NO_STDIO
@@ -211,8 +215,7 @@ packed_backtrace(mrb_state *mrb)
backtrace = mrb_data_object_alloc(mrb, NULL, NULL, &bt_type);
ptr = mrb_malloc(mrb, size);
backtrace->data = ptr;
backtrace->flags = (uint32_t)len;
each_backtrace(mrb, ciidx, pack_backtrace_i, &ptr);
backtrace->flags = each_backtrace(mrb, ciidx, pack_backtrace_i, &ptr);
return (struct RObject*)backtrace;
}