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Published on 2010-04-20T20:49:35Z
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How come the Linux kernel can compile only with GCC? What GNU C extensions are really necessary for some projects and why?
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Hello
Is enum type signed or unsigned? Is the Signedness of enums differ in C/C99/ANSI C/C++/C++x/GNU C/ GNU C99?
Thanks
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Hi, I was looking at new features of C99 and saw the floating point environment:
#include <fenv.h>
My question is simple. If I'm performing floating point number computations, do I have to include the above preprocessor directive in my code? If no, then what does this directive do and when…
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Hi, I read with interest the post "How universally is C99 supported ?". One of the comments therein points that Microsoft doesn't support C99. But the comment symbol // works with MVS 2008 and this symbol is in C99. I have two questions:
To what extent MVS 2008 support C99?
Is it ok in the same…
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When I compile a simple Hello World! program that uses the sscanf function on my local Debian lenny x64, it works. But when I upload the same program to the server running CentOS x86, it will not work. If I do not use sscanf, then the program works on both computers.
gcc -std=c99 -O2 -pipe -m32
If…
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I'm trying to compile a linux kernel module using a Makefile:
obj-m += main.o
all:
make -C /lib/modules/$(shell uname -r)/build M=$(PWD) modules
clean:
make -C /lib/modules/$(shell uname -r)/build M=$(PWD) clean
Which gives me:
main.c:54: warning: ISO C90 forbids mixed declarations and…
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