kolibrios/programs/develop/libraries/kolibri-libc/source/stdio/fwrite.c

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#include <stdio.h>
#include "conio.h"
#include <sys/ksys.h>
#include <errno.h>
size_t fwrite(const void *restrict ptr, size_t size, size_t nmemb, FILE *restrict stream) {
unsigned bytes_written = 0;
unsigned bytes_count = size * nmemb;
if(!stream){
errno = EINVAL;
return 0;
}
if(stream==stdout){
__con_init();
__con_write_string((char*)ptr, bytes_count);
return nmemb;
}
else if(stream==stderr){
for (size_t i = 0; i < bytes_count; i++) {
char c = *(char*)(ptr+i);
_ksys_debug_putc(c);
}
}
else{
if(stream->mode != _STDIO_F_R){
unsigned status = _ksys_file_write_file(stream->name, stream->position, bytes_count, ptr, &bytes_written);
if (status != KSYS_FS_ERR_SUCCESS) {
errno = EIO;
stream->error = errno;
return 0;
}else {
stream->position+=bytes_written;
}
}
}
return bytes_written;
}