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Handle ttyname(3) failure better.

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This commit is contained in:
Nicholas Marriott 2009-08-08 16:05:01 +00:00
parent 06ddd3dcf8
commit 92cc3a6914
1 changed files with 2 additions and 1 deletions
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3
cmd-list-windows.c
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@ -72,9 +72,10 @@ cmd_list_windows_exec(struct cmd *self, struct cmd_ctx *ctx)
} }
size += gd->hsize * sizeof *gd->linedata; size += gd->hsize * sizeof *gd->linedata;
name = NULL;
if (wp->fd != -1) if (wp->fd != -1)
name = ttyname(wp->fd); name = ttyname(wp->fd);
else if (name == NULL)
name = "unknown"; name = "unknown";
ctx->print(ctx, ctx->print(ctx,
" %s [%ux%u] [history %u/%u, %llu bytes]", " %s [%ux%u] [history %u/%u, %llu bytes]",