Calling strcmp/strncmp/strcasecmp/strncasecmp with NULL parameter

[Steven Keuchel]

Hi there,

in the not so unlikely event, that one of the string compare functions is 
called with NULL as one parameter the process will get a SIGSEGV, because the 
functions are dereferencing NULL pointers (i'm referring to the funcs found 
in sysdeps/generic). I doubt this is intended behaviour, IMHO these function 
should not fail, no matter what the input is.

What does the C Standard say about this ?

Best regards,
   Steven Keuchel
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