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Set the first character of buf to '\1' before the strftime() call so
we can try to distinguish a zero-length string from an error return (a minor fix to Peter's patch).
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@ -1834,7 +1834,7 @@ ztrftime(char *buf, int bufsize, char *fmt, struct tm *tm)
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* Remember we've already allowed for two characters
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* in the accounting in bufsize (but nowhere else).
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*/
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*buf = '\0';
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*buf = '\1';
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tmp[1] = fmt[-1];
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if (!strftime(buf, bufsize + 2, tmp, tm))
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{
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