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26 lines
1.4 KiB
Plaintext
26 lines
1.4 KiB
Plaintext
--- extend.texi.orig Fri Sep 1 22:46:47 1995
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+++ extend.texi Mon Mar 20 13:29:11 2000
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@@ -1394,13 +1394,15 @@
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@code{my_format}.
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The parameter @var{archetype} determines how the format string is
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-interpreted, and should be either @code{printf} or @code{scanf}. The
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-parameter @var{string-index} specifies which argument is the format
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-string argument (starting from 1), while @var{first-to-check} is the
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-number of the first argument to check against the format string. For
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-functions where the arguments are not available to be checked (such as
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-@code{vprintf}), specify the third parameter as zero. In this case the
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-compiler only checks the format string for consistency.
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+interpreted, and should be @code{printf}, @code{printf0}, or
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+@code{scanf}. @code{printf0} allows the format string to be a null
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+pointer, while @code{printf} does not. The parameter @var{string-index}
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+specifies which argument is the format string argument (starting
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+from 1), while @var{first-to-check} is the number of the first
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+argument to check against the format string. For functions where
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+the arguments are not available to be checked (such as @code{vprintf}),
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+specify the third parameter as zero. In this case the compiler
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+only checks the format string for consistency.
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In the example above, the format string (@code{my_format}) is the second
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argument of the function @code{my_print}, and the arguments to check
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