static int copy(const char *infile, const char *outfile)
{
int ifd, ofd, len;
char buf[4096]; /* XXX make it lerger. */
if ((ifd = open(infile, O_RDONLY)) < 0) {
ast_log(LOG_WARNING, "Unable to open %s in read-only mode\n", infile);
return -1;
}
if ((ofd = open(outfile, O_WRONLY | O_TRUNC | O_CREAT, 0600)) < 0) {
ast_log(LOG_WARNING, "Unable to open %s in write-only mode\n", outfile);
close(ifd);
return -1;
}
while ( (len = read(ifd, buf, sizeof(buf)) ) ) {
int res;
if (len < 0) {
ast_log(LOG_WARNING, "Read failed on %s: %s\n", infile, strerror(errno));
break;
}
/* XXX handle partial writes */
res = write(ofd, buf, len);
if (res != len) {
ast_log(LOG_WARNING, "Write failed on %s (%d of %d): %s\n", outfile, res, len, strerror(errno));
len = -1; /* error marker */
break;
}
}
close(ifd);
close(ofd);
if (len < 0) {
unlink(outfile);
return -1; /* error */
}
return 0; /* success */
}
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