On Wednesday 03 February 2010, Stefan Midjich <sweh...@gmail.com> wrote:
> I'm having trouble looking this function up in the source tree, the trail > seems to end at __sys_read which has a bunch of prototypes but i can't find > the actual function code. Well, you can try cscope --- IMO the best option to search for symbols in the source tree. Also you have well done front-ends like cbrowser, codelite and emacs plus cscope mode. > > So my question is primarily, does getc use the read system call eventually? No, certainly not. Take a look on stdio.h and libc implementation on lib/libc/stdio/getc.c. Mainly on the __sgetc(f) macro. > > But i would also love it if someone could show me where __sys_read is > defined. Take a look on the architecture specific file SYS.h, that's a kind of macro. For example at the i386 file: lib/libc/i386/SYS.h > > Thanks in advance for any information! > Best regards, -- | Daniel Molina <dmw [at] coder [dot] cl> | | IT Consulting & Software Development | | Phone: +56 2 9790277 | http://coder.cl/ |
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