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printf("%s", NULL) is not safe on some platforms.

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This commit is contained in:
Tomoyuki Sahara
2012-11-02 10:48:39 +09:00
parent 650008bf9e
commit 43f4934e6d
1 changed files with 6 additions and 2 deletions
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tools/mruby/mruby.c
+6 -2
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@@ -168,7 +168,7 @@ showcallinfo(mrb_state *mrb)
{
mrb_callinfo *ci;
mrb_int ciidx;
const char *filename, *sep;
const char *filename, *method, *sep;
int i, line;
printf("trace:\n");
@@ -199,11 +199,15 @@ showcallinfo(mrb_state *mrb)
else
sep = "#";
method = mrb_sym2name(mrb, ci->mid);
if (method == NULL)
method = "(???)";
printf("\t[%d] %s:%d:in %s%s%s\n",
i, filename, line,
mrb_class_name(mrb, ci->proc->target_class),
sep,
mrb_sym2name(mrb, ci->mid));
method);
}
}