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*printf and zero size
- From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
- To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
- Cc: PostgreSQL-development <pgsql-hackers(at)postgreSQL(dot)org>
- Subject: *printf and zero size
- Date: Mon, 5 Dec 2005 15:44:51 -0500 (EST)
- Message-id: <200512052044.jB5Kip216855@candle.pha.pa.us> <text/plain>
Tom, did you implement this functionality in *printf? The size may be given as zero to find out how many characters are needed; in this case, the str argument is ignored. Sprintf() and vsprintf() effectively assume an infinite size. Looking at the code it doesn't seem supported. Should it be added to the limitations comment section? -- Bruce Momjian | http://candle.pha.pa.us pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001 + If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania 19073
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