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![Re: [Patch:] restore the native use of isdigit() instead of ap_isdigit() in httpd.](http://unixadmintalk.com/iconimages/f19/re-patch-restore-native-use-isdigit-instead-ap_isdigit-httpd_ltr.gif)
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02-22-2008, 12:16 PM
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 Re: [Patch:] restore the native use of isdigit() instead of ap_isdigit() in httpd. On Thu, Mar 30, 2006 at 03:21:29PM -0700, Daniel Boulet wrote: > Hmmm. The isdigit man page from the Single Unix Specification on the > Open Groups' web site (www.unix.org) declares isdigit as follows: > > #include <ctype.h> > > int isdigit(int c); > > This documentation for the isdigit interface would appear to allow > the parameter to be a char since chars can certainly be cast to ints > without any loss of information. Please read the *full* description, especially the following: The c argument is an int, the value of which the application shall ensure is a character representable as an unsigned char or equal to the value of the macro EOF. If the argument has any other value, the behavior is undefined. Joerg      |
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