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SubjectRe: [PATCH] Re: sscanf("-1", "%d", &i) fails, returns 0
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"Randy.Dunlap" <rddunlap@osdl.org> writes:

|> On Sun, 10 Nov 2002, Henning P. Schmiedehausen wrote:
|>
|> | "Randy.Dunlap" <rddunlap@osdl.org> writes:
|> |
|> | >+ digit = *str;
|> | >+ if (is_sign && digit == '-')
|> | >+ digit = *(str + 1);
|> |
|> | If signed is not allowed and you get a "-", you're in an error case
|> | again...
|>
|> Yes, and a 0 value is returned.
|> IOW, asking for an unsigned number (in the format string)
|> and getting "-123" does return 0.

Not in C. According to the standard scanf is supposed to convert the
value to unsinged and return that.

Andreas.

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Andreas Schwab, SuSE Labs, schwab@suse.de
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