mirror of
https://github.com/TorqueGameEngines/Torque3D.git
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700bf32a2a
This updates the minimum required cmake version and the libs that have updates for this. Ogg updated to master as of 20052025 Libsndfile updated to master as of 20052025 Opus minimum cmake version changed vorbis minimum cmake version changed
123 lines
2.9 KiB
C
123 lines
2.9 KiB
C
#ifndef SNDFILE_FUZZ_HEADER_H
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#define SNDFILE_FUZZ_HEADER_H
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#include <errno.h>
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typedef struct
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{
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sf_count_t offset ;
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sf_count_t length ;
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const unsigned char *data ;
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} VIO_DATA ;
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static sf_count_t vfget_filelen (void *user_data)
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{ VIO_DATA *vf = (VIO_DATA *)user_data ;
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return vf->length ;
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}
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static sf_count_t vfseek (sf_count_t offset, int whence, void *user_data)
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{
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VIO_DATA *vf = (VIO_DATA *)user_data ;
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sf_count_t new_offset ;
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switch (whence)
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{ case SEEK_SET :
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new_offset = offset ;
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break ;
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case SEEK_CUR :
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new_offset = vf->offset + offset ;
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break ;
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case SEEK_END :
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new_offset = vf->length + offset ;
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break ;
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default :
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// SEEK_DATA and SEEK_HOLE are not supported by this function.
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errno = EINVAL ;
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return -1 ;
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break ;
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}
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/* Ensure you can't seek outside the data */
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if (new_offset > vf->length)
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{ /* Trying to seek past the end of the data */
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printf("vf overseek: new_offset(%" PRId64 ") > vf->length(%" PRId64 ");"
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" whence(%d), vf->offset(%" PRId64 "), offset(%" PRId64 ")\n",
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new_offset, vf->length, whence, vf->offset, offset) ;
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new_offset = vf->length ;
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}
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else if (new_offset < 0)
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{ /* Trying to seek before the start of the data */
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printf("vf underseek: new_offset(%" PRId64 ") < 0; whence(%d), vf->offset"
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"(%" PRId64 "), vf->length(%" PRId64 "), offset(%" PRId64 ")\n",
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new_offset, whence, vf->offset, vf->length, offset) ;
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new_offset = 0 ;
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}
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vf->offset = new_offset ;
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return vf->offset ;
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}
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static sf_count_t vfread (void *ptr, sf_count_t count, void *user_data)
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{ VIO_DATA *vf = (VIO_DATA *)user_data ;
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if (vf->offset + count > vf->length)
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count = vf->length - vf->offset ;
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memcpy(ptr, vf->data + vf->offset, count) ;
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vf->offset += count ;
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return count ;
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}
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static sf_count_t vfwrite (const void *ptr, sf_count_t count, void *user_data)
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{
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(void)ptr ;
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(void)count ;
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(void)user_data ;
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// Cannot write to this virtual file.
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return 0;
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}
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static sf_count_t vftell (void *user_data)
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{ VIO_DATA *vf = (VIO_DATA *)user_data ;
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return vf->offset ;
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}
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int sf_init_file(const uint8_t *data,
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size_t size,
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SNDFILE **sndfile,
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VIO_DATA *vio_data,
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SF_VIRTUAL_IO *vio, SF_INFO *sndfile_info)
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{
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// Initialize the virtual IO structure.
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vio->get_filelen = vfget_filelen ;
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vio->seek = vfseek ;
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vio->read = vfread ;
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vio->write = vfwrite ;
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vio->tell = vftell ;
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// Initialize the VIO user data.
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vio_data->data = data ;
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vio_data->length = size ;
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vio_data->offset = 0 ;
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memset(sndfile_info, 0, sizeof(SF_INFO)) ;
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// Try and open the virtual file.
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*sndfile = sf_open_virtual(vio, SFM_READ, sndfile_info, vio_data) ;
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if (sndfile_info->channels == 0)
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return -1 ;
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if (sndfile_info->channels > 1024 * 1024)
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return -1 ;
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return 0;
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}
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#endif
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