kolibrios/programs/develop/libraries/kolibri-libc/source/stdio/fread.c
turbocat da310946f0 kolibri-libc:
- Fixed fwrite.
- Added strcat to the export table. 
- Fixed two functions in ksys.h.
- Added binaries for autobuild

git-svn-id: svn://kolibrios.org@8705 a494cfbc-eb01-0410-851d-a64ba20cac60
2021-04-30 22:00:07 +00:00

35 lines
761 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 = EINVAL;
return 0;
}
if(stream==stdin){
__con_init();
__con_gets((char*)ptr, bytes_count);
return nmemb;
}
else{
if(stream->mode != _STDIO_F_W){
unsigned status = _ksys_file_read_file(stream->name, stream->position, bytes_count, ptr , &bytes_read);
if (status != KSYS_FS_ERR_SUCCESS) {
errno = EIO;
stream->error = errno;
return 0;
}else {
stream->position+=bytes_read;
}
}
}
return bytes_read;
}