Proposal for a Friendly Dialect of C

Re:Proposal for a Friendly Dialect of C by jhallenworld on Wednesday August 27, 2014 @09:28PM (#8235521)

Friendly C should also require char to be unsigned so that this code is safe:

   int my_getchar(char *foo)
   {
        if (!*foo) return -1; // Return -1 at end of string
        else return *foo; // Should never return -1
   }

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Re:Proposal for a Friendly Dialect of C by kazinator on Wednesday August 27, 2014 @09:31PM (#8235531)

More to the point, char should be unsigned so that this code is safe:

   #include <ctype.h>

   if (isdigit(str[i])) { ... }

The ctype functions require an int-valued argument which is the value of an unsigned char: it must be a positive value, or the negative value EOF.

This is an unfriendly pitfall in the language.

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