egcs/fortran warnings (Was : possible spurious warning for isdigit)

Mon Nov 10 04:17:00 GMT 1997

> 
> ANSI C says that the argument to all these functions must be ``an int,
> the value of which is representable as an unsigned char or [...] equal
> [to] the value of the macro EOF.''
> 
> If your code is passing a char, and char is signed, then your code is
> indeed doing something that is worth warning about, since a negative
> value for signed char is not representable as unsigned char.  This
> could catch you if you ever use a machine that uses character values
> greater than 127.
> 
> In my opinion you should fix your code to include the casts.  Or you
> shouldn't use -Wall.  I think it's reasonable to require casts to
> disable warnings.
> 

Well, here are the warnings I get when compiling egcs-971105/g77 :

/usr/gnu/tmp/egcs-971105/gcc/f/bad.c:459: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/bad.c:459: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/bad.c:488: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/bad.c:488: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/bad.c:506: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/expr.c:9608: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/implic.c:96: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/intrin.c:1554: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/intrin.c:1556: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/intrin.c:1556: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/lex.c:4296: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/lex.c:4302: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/lex.c:4431: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/lex.c:4466: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/lex.c:4526: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/lex.c:4547: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/proj.c:36: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:1919: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:1942: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:1953: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:1962: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:1975: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:2565: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:2810: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:3108: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:3372: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:3383: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:4185: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:4806: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:5367: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:5600: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:6470: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:6585: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:6692: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:6706: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:7189: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:7344: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:7491: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:8688: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:9689: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:9711: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:9767: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:10047: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:10221: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:12011: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:12236: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:17977: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:19446: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:19664: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:19909: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:20602: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:20756: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:20968: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:22716: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:22749: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:24189: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:24444: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/target.c:2320: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/target.c:2364: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/target.c:2408: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/top.c:153: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/bad.c:459: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/bad.c:459: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/bad.c:488: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/bad.c:488: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/bad.c:506: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/expr.c:9608: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/implic.c:96: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/intrin.c:1554: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/intrin.c:1556: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/intrin.c:1556: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/lex.c:4296: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/lex.c:4302: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/lex.c:4431: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/lex.c:4466: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/lex.c:4526: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/lex.c:4547: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/proj.c:36: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:1919: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:1942: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:1953: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:1962: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:1975: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:2565: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:2810: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:3108: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:3372: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:3383: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:4185: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:4806: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:5367: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:5600: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:6470: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:6585: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:6692: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:6706: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:7189: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:7344: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:7491: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:8688: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:9689: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:9711: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:9767: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:10047: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:10221: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:12011: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:12236: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:17977: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:19446: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:19664: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:19909: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:20602: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:20756: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:20968: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:22716: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:22749: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:24189: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/stb.c:24444: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/target.c:2320: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/target.c:2364: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/target.c:2408: warning: subscript has type `char'
/usr/gnu/tmp/egcs-971105/gcc/f/top.c:153: warning: subscript has type `char'

Philippe