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Handle ttyname(3) failure better.
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@ -72,9 +72,10 @@ cmd_list_windows_exec(struct cmd *self, struct cmd_ctx *ctx)
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}
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size += gd->hsize * sizeof *gd->linedata;
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name = NULL;
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if (wp->fd != -1)
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name = ttyname(wp->fd);
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else
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if (name == NULL)
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name = "unknown";
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ctx->print(ctx,
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" %s [%ux%u] [history %u/%u, %llu bytes]",
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