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authorYukihiro "Matz" Matsumoto <[email protected]>2017-08-11 12:12:11 +0900
committerYukihiro "Matz" Matsumoto <[email protected]>2017-08-11 12:12:11 +0900
commit4e2f4f42801edf61c977c938d9b66dc116779124 (patch)
treec0e98d0e0204913829a892855d40bfdd54a8a32d /src/backtrace.c
parentae04005092f306b21f818e06fdfeab865e407819 (diff)
downloadmruby-4e2f4f42801edf61c977c938d9b66dc116779124.tar.gz
mruby-4e2f4f42801edf61c977c938d9b66dc116779124.zip
Avoid possible data loss by using `ptrdiff_t`.
Diffstat (limited to 'src/backtrace.c')
-rw-r--r--src/backtrace.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/backtrace.c b/src/backtrace.c
index 0f5240f6f..2ac5eb95a 100644
--- a/src/backtrace.c
+++ b/src/backtrace.c
@@ -26,9 +26,9 @@ typedef void (*each_backtrace_func)(mrb_state*, int i, struct backtrace_location
static const mrb_data_type bt_type = { "Backtrace", mrb_free };
static void
-each_backtrace(mrb_state *mrb, mrb_int ciidx, mrb_code *pc0, each_backtrace_func func, void *data)
+each_backtrace(mrb_state *mrb, ptrdiff_t ciidx, mrb_code *pc0, each_backtrace_func func, void *data)
{
- int i, j;
+ ptrdiff_t i, j;
if (ciidx >= mrb->c->ciend - mrb->c->cibase)
ciidx = 10; /* ciidx is broken... */