mirror of
https://github.com/cc65/cc65.git
synced 2024-10-30 12:28:25 +00:00
98 lines
1.9 KiB
C
98 lines
1.9 KiB
C
|
#include <stdio.h>
|
||
|
#include <string.h>
|
||
|
#include <errno.h>
|
||
|
#include <fcntl.h>
|
||
|
|
||
|
|
||
|
|
||
|
FILE* Fopen (const char* Name, const char* Mode)
|
||
|
{
|
||
|
FILE* F;
|
||
|
printf ("Opening %s(%s): ", Name, Mode);
|
||
|
F = fopen (Name, Mode);
|
||
|
if (F) {
|
||
|
printf ("Ok (%d)\n", fileno (F));
|
||
|
} else {
|
||
|
printf (strerror (errno));
|
||
|
}
|
||
|
return F;
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
void Fwrite (FILE* F, const void* Buf, unsigned Size)
|
||
|
{
|
||
|
size_t Res;
|
||
|
Res = fwrite (Buf, 1, Size, F);
|
||
|
printf ("Writing %u bytes to %d: %u\n", Size, fileno (F), Res);
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
int Fread (FILE* F, void* Buf, unsigned Size)
|
||
|
{
|
||
|
size_t Res;
|
||
|
Res = fread (Buf, 1, Size, F);
|
||
|
printf ("Reading %u bytes from %d: %u\n", Size, fileno (F), Res);
|
||
|
return Res > 0? Res : 0;
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
void Fclose (FILE* F)
|
||
|
{
|
||
|
printf ("Closing %d:", fileno (F));
|
||
|
if (fclose (F) == 0) {
|
||
|
printf ("Ok\n");
|
||
|
} else {
|
||
|
printf (strerror (errno));
|
||
|
}
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
int main (void)
|
||
|
{
|
||
|
FILE* F1;
|
||
|
FILE* F2;
|
||
|
int Res;
|
||
|
static const char text1[] = "This goes into file #1\n";
|
||
|
static const char text2[] = "This goes into file #2\n";
|
||
|
static const char text3[] = "This goes into file #3\n";
|
||
|
static const char text4[] = "This goes into file #4\n";
|
||
|
static char Buf[200];
|
||
|
|
||
|
|
||
|
F1 = Fopen ("foobar1", "w");
|
||
|
F2 = Fopen ("foobar2", "w");
|
||
|
|
||
|
Fwrite (F1, text1, sizeof (text1) - 1);
|
||
|
Fwrite (F2, text2, sizeof (text2) - 1);
|
||
|
Fwrite (F1, text1, sizeof (text1) - 1);
|
||
|
Fwrite (F2, text2, sizeof (text2) - 1);
|
||
|
|
||
|
Fclose (F1);
|
||
|
Fclose (F2);
|
||
|
|
||
|
F1 = Fopen ("foobar3", "w");
|
||
|
F2 = Fopen ("foobar4", "w");
|
||
|
|
||
|
Fwrite (F1, text3, sizeof (text3) - 1);
|
||
|
Fwrite (F2, text4, sizeof (text4) - 1);
|
||
|
Fwrite (F1, text3, sizeof (text3) - 1);
|
||
|
Fwrite (F2, text4, sizeof (text4) - 1);
|
||
|
|
||
|
Fclose (F1);
|
||
|
Fclose (F2);
|
||
|
|
||
|
F1 = Fopen ("foobar1", "r");
|
||
|
Res = Fread (F1, Buf, sizeof (Buf));
|
||
|
printf ("%.*s", Res, Buf);
|
||
|
Res = Fread (F1, Buf, sizeof (Buf));
|
||
|
Fclose (F1);
|
||
|
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
|