On 16/12/11 08:41, Hannu Vuolasaho wrote:
> I wrote small test case which gave same Conditional jump or move depends on
> uninitialised value errors.
>
> #include<stdio.h>
> #include<stdlib.h>
>
> int main(){
> char * buffer;
> size_t size;
>
> if(getline(&buffer,&size, stdin)>0){
> fputs(buffer, stdout);
> free(buffer);
> }
> }
>
> What I'm doing wrong? Should I use fread and fwrite?
You didn't initialise buffer to NULL before calling getline so it's
behaviour is not deterministic. In particular when it checks whether the
argument is NULL so as to decide whether to allocate a buffer it will be
checking an uninitialised value.
Tom
--
Tom Hughes (t...@compton.nu)
http://compton.nu/
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