Hi Roberto,
no I want to move a file from memory to an usb memory stick. In the
meantime I solved the problem:
/* move file from ... to ... */
#include <stdio.h>
#include <unistd.h>
#include <errno.h>
#include <syslog.h>
#include <malloc.h>
#define COPY_SLICE (100*1024)
int movefile (char *srcfile, char *dstfile)
{
FILE *src, *dst;
char *buffer;
src = fopen (srcfile, "rb");
if (src == 0) {
syslog (LOG_ERR, "movefile: fopen(%s) failed %i",
srcfile, errno);
return errno;
}
dst = fopen (dstfile, "wb");
if (dst == 0) {
syslog (LOG_ERR, "movefile: fopen(%s) failed %i",
dstfile, errno);
fclose (src);
return errno;
}
buffer = malloc (sizeof(buffer));
if (buffer == NULL) {
syslog (LOG_ERR, "movefile: malloc %u byte failed",
sizeof(buffer));
fclose (src);
fclose (dst);
return -2;
}
while (!feof (src)) {
size_t readsize = fread(buffer, sizeof(buffer), 1,
src);
if (ferror(src)) {
syslog (LOG_ERR, "movefile: fread failed %
i", errno);
fclose (src);
fclose (dst);
free(buffer);
return -3;
}
else if (!feof(src)) {
readsize = sizeof (buffer);
}
fwrite(buffer, readsize, 1, dst);
if (ferror (src)) {
syslog (LOG_ERR, "movefile: fwrite failed %
i", errno);
fclose (src);
fclose (dst);
free(buffer);
return -4;
}
}
fclose (src);
fclose (dst);
free(buffer);
return unlink (srcfile);
}
