Datasets:
MIN12352
/
codeparrot

Dataset card Data Studio Files Community
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int enc;
if ((m = malloc(sizeof(struct mp3))) == NULL)
goto err;
m->h = NULL;
if ((m->fd = open(file, O_RDONLY)) < 0)
goto err;
if (read(m->fd, magic, 3) != 3)
goto err;
if (strncmp(magic, ""\xFF\xFB"", 2) != 0 &&
strncmp(magic, ""ID3"", 3) != 0)
goto err;
if (lseek(m->fd, -3, SEEK_CUR) == -1)
goto err;
if (mpg123_init() != MPG123_OK)
return NULL;
if ((m->h = mpg123_new(NULL, NULL)) == NULL ||
mpg123_param(m->h, MPG123_ADD_FLAGS, MPG123_QUIET, 0)
!= MPG123_OK || mpg123_open_fd(m->h, m->fd) != MPG123_OK)
goto err;
if (mpg123_getformat(m->h, &rate, &chan, &enc)
!= MPG123_OK || rate > (int)(~0U >> 1)) {
mpg123_close(m->h);
goto err;
}
m->first = 1;
/* Does mpg123 always output in host byte-order? */
m->endian = BYTE_ORDER == LITTLE_ENDIAN;
m->rate = rate;
m->sign = !!(enc & MPG123_ENC_SIGNED);
if (chan & MPG123_STEREO)
m->channels = 2;
else /* MPG123_MONO */
m->channels = 1;
if (enc & MPG123_ENC_FLOAT) {
mpg123_close(m->h);
goto err;
}
if (enc & MPG123_ENC_32)
m->octets = 4;
else if (enc & MPG123_ENC_24)
m->octets = 3;
else if (enc & MPG123_ENC_16)
m->octets = 2;
else /* MPG123_ENC_8 */
m->octets = 1;
return m;
err:
if (m != NULL) {
if (m->h != NULL)
mpg123_delete(m->h);
if (m->fd >= 0)
close(m->fd);
free(m);
}
mpg123_exit();
return NULL;
}
int
mp3_copy(struct mp3 *m, void *buf, size_t size, struct audio *out) {
size_t r;
if (m == NULL || buf == NULL || size == 0 || out == NULL)
return EX_USAGE;
if (m->first) { /* setup audio output */
m->first = 0;
a_setrate(out, m->rate);
a_setchan(out, m->channels);
a_setend(out, m->endian);
a_setbits(out, m->octets << 3);
a_setsign(out, m->sign);
}
if (mpg123_read(m->h, buf, size, &r) != MPG123_OK)
return EX_SOFTWARE;
if (r == 0)
return 1;
if (a_write(out, buf, r) != r && errno != EINTR
&& errno != EAGAIN)
return EX_IOERR;
return EX_OK;
}
void
mp3_close(struct mp3 *m) {
if (m == NULL)
return;
if (m->fd >= 0)
close(m->fd);
if (m->h != NULL) {
mpg123_close(m->h);
mpg123_delete(m->h);
}
mpg123_exit();
free(m);
}
" isc
sec51/clamav-yara hdb_signatures_test.go 436 "package main
import (
""testing""