Ignore COLUMNS environment variable if it is empty (SUSv3)
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=97801
@ -470,7 +470,7 @@ lputs(s)
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static int termwidth = -1;
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if (termwidth == -1) {
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if ((p = getenv("COLUMNS")))
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if ((p = getenv("COLUMNS")) && *p != '\0')
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termwidth = atoi(p);
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else if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &win) == 0 &&
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win.ws_col > 0)
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