kolibrios-fun/programs/develop/ktcc/trunk/libc.obj/source/stdio/fread.c
turbocat b5b499b8c8 kolibri-libc:
Move to folder with tcc. Part 1

git-svn-id: svn://kolibrios.org@8793 a494cfbc-eb01-0410-851d-a64ba20cac60
2021-06-10 14:37:44 +00:00

39 lines
887 B
C

#include <stdio.h>
#include <errno.h>
#include "conio.h"
#include "sys/ksys.h"
size_t fread(void *restrict ptr, size_t size, size_t nmemb, FILE *restrict stream) {
unsigned bytes_read = 0;
unsigned bytes_count = size * nmemb;
if(!stream){
errno = EBADF;
return 0;
}
if(stream==stdin){
con_init();
con_gets((char*)ptr, bytes_count+1);
return nmemb;
}
else{
if(stream->mode & _FILEMODE_R){
if(!stream->__ungetc_emu_buff){
((char*) ptr)[0]=(char)stream->__ungetc_emu_buff;
//debug_printf("Ungetc: %x\n", ((char*) ptr)[0]);
}
unsigned status = _ksys_file_read_file(stream->name, stream->position, bytes_count, ptr , &bytes_read);
if (status) {
errno = EIO;
stream->error = errno;
return 0;
}else {
stream->position+=bytes_read;
}
}
}
return bytes_read;
}