mirror of
https://github.com/owntone/owntone-server.git
synced 2024-12-24 22:25:56 -05:00
use short options when getopt.h isn't present
This commit is contained in:
Ron Pedde
parent
f4e8bc9625
commit
f3b6ef46f9
@ -23,22 +23,29 @@
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <ctype.h>
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#ifdef HAVE_GETOPT_H
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#include <getopt.h>
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#endif
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char *av0;
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struct option longopts[] =
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{ { "help", 0, NULL, 'h' },
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{ "samples", 1, NULL, 's' },
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{ "length", 1, NULL, 'l' },
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{ "offset", 1, NULL, '0' },
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{ NULL, 0, NULL, 0 } };
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{ { "help", 0, NULL, 'h' },
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{ "samples", 1, NULL, 's' },
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{ "length", 1, NULL, 'l' },
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{ "offset", 1, NULL, '0' },
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{ NULL, 0, NULL, 0 } };
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#define GET_WAV_INT32(p) ((((unsigned long)((p)[3])) << 24) | \
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(((unsigned long)((p)[2])) << 16) | \
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@ -50,38 +57,38 @@ struct option longopts[] =
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unsigned char *read_hdr(FILE *f, size_t *hdr_len)
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{
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unsigned char *hdr;
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unsigned long format_data_length;
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unsigned char *hdr;
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unsigned long format_data_length;
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hdr = malloc(256);
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if (hdr == NULL)
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return NULL;
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hdr = malloc(256);
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if (hdr == NULL)
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return NULL;
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if (fread(hdr, 44, 1, f) != 1)
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goto fail;
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if (fread(hdr, 44, 1, f) != 1)
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goto fail;
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if (strncmp(hdr + 12, "fmt ", 4))
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goto fail;
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if (strncmp(hdr + 12, "fmt ", 4))
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goto fail;
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format_data_length = GET_WAV_INT32(hdr + 16);
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format_data_length = GET_WAV_INT32(hdr + 16);
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if ((format_data_length < 16) || (format_data_length > 100))
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goto fail;
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if ((format_data_length < 16) || (format_data_length > 100))
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goto fail;
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*hdr_len = 44;
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*hdr_len = 44;
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if (format_data_length > 16) {
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if (fread(hdr + 44, format_data_length - 16, 1, f) != 1)
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goto fail;
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*hdr_len += format_data_length - 16;
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}
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if (format_data_length > 16) {
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if (fread(hdr + 44, format_data_length - 16, 1, f) != 1)
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goto fail;
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*hdr_len += format_data_length - 16;
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}
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return hdr;
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return hdr;
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fail:
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if (hdr != NULL)
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free(hdr);
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return NULL;
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if (hdr != NULL)
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free(hdr);
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return NULL;
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}
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size_t parse_hdr(unsigned char *hdr, size_t hdr_len,
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@ -93,48 +100,48 @@ size_t parse_hdr(unsigned char *hdr, size_t hdr_len,
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unsigned long *sample_bit_length_ret,
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unsigned long *data_length_ret)
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{
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unsigned long chunk_data_length;
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unsigned long format_data_length;
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unsigned long compression_code;
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unsigned long channel_count;
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unsigned long sample_rate;
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unsigned long sample_bit_length;
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unsigned long data_length;
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unsigned long chunk_data_length;
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unsigned long format_data_length;
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unsigned long compression_code;
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unsigned long channel_count;
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unsigned long sample_rate;
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unsigned long sample_bit_length;
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unsigned long data_length;
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if (strncmp(hdr + 0, "RIFF", 4) ||
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strncmp(hdr + 8, "WAVE", 4) ||
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strncmp(hdr + 12, "fmt ", 4))
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return 0;
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if (strncmp(hdr + 0, "RIFF", 4) ||
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strncmp(hdr + 8, "WAVE", 4) ||
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strncmp(hdr + 12, "fmt ", 4))
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return 0;
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format_data_length = GET_WAV_INT32(hdr + 16);
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format_data_length = GET_WAV_INT32(hdr + 16);
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if (strncmp(hdr + 20 + format_data_length, "data", 4))
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return 0;
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if (strncmp(hdr + 20 + format_data_length, "data", 4))
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return 0;
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chunk_data_length = GET_WAV_INT32(hdr + 4);
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compression_code = GET_WAV_INT16(hdr + 20);
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channel_count = GET_WAV_INT16(hdr + 22);
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sample_rate = GET_WAV_INT32(hdr + 24);
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sample_bit_length = GET_WAV_INT16(hdr + 34);
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data_length = GET_WAV_INT32(hdr + 20 + format_data_length + 4);
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chunk_data_length = GET_WAV_INT32(hdr + 4);
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compression_code = GET_WAV_INT16(hdr + 20);
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channel_count = GET_WAV_INT16(hdr + 22);
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sample_rate = GET_WAV_INT32(hdr + 24);
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sample_bit_length = GET_WAV_INT16(hdr + 34);
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data_length = GET_WAV_INT32(hdr + 20 + format_data_length + 4);
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if ((format_data_length != 16) ||
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(compression_code != 1) ||
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(channel_count < 1) ||
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(sample_rate == 0) ||
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(sample_rate > 512000) ||
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(sample_bit_length < 2))
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return 0;
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if ((format_data_length != 16) ||
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(compression_code != 1) ||
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(channel_count < 1) ||
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(sample_rate == 0) ||
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(sample_rate > 512000) ||
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(sample_bit_length < 2))
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return 0;
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*chunk_data_length_ret = chunk_data_length;
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*format_data_length_ret = format_data_length;
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*compression_code_ret = compression_code;
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*channel_count_ret = channel_count;
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*sample_rate_ret = sample_rate;
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*sample_bit_length_ret = sample_bit_length;
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*data_length_ret = data_length;
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*chunk_data_length_ret = chunk_data_length;
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*format_data_length_ret = format_data_length;
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*compression_code_ret = compression_code;
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*channel_count_ret = channel_count;
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*sample_rate_ret = sample_rate;
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*sample_bit_length_ret = sample_bit_length;
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*data_length_ret = data_length;
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return 20 + format_data_length + 8;
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return 20 + format_data_length + 8;
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}
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size_t patch_hdr(unsigned char *hdr, size_t hdr_len,
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@ -142,256 +149,266 @@ size_t patch_hdr(unsigned char *hdr, size_t hdr_len,
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unsigned long samples,
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size_t *data_length_ret)
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{
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unsigned long chunk_data_length;
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unsigned long format_data_length;
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unsigned long compression_code;
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unsigned long channel_count;
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unsigned long sample_rate;
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unsigned long sample_bit_length;
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unsigned long data_length;
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unsigned long bytes_per_sample;
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unsigned long chunk_data_length;
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unsigned long format_data_length;
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unsigned long compression_code;
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unsigned long channel_count;
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unsigned long sample_rate;
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unsigned long sample_bit_length;
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unsigned long data_length;
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unsigned long bytes_per_sample;
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if (parse_hdr(hdr, hdr_len,
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&chunk_data_length,
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&format_data_length,
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&compression_code,
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&channel_count,
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&sample_rate,
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&sample_bit_length,
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&data_length) != hdr_len)
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return 0;
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if (parse_hdr(hdr, hdr_len,
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&chunk_data_length,
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&format_data_length,
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&compression_code,
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&channel_count,
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&sample_rate,
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&sample_bit_length,
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&data_length) != hdr_len)
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return 0;
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if (hdr_len != (20 + format_data_length + 8))
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return 0;
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if (hdr_len != (20 + format_data_length + 8))
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return 0;
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if (format_data_length > 16) {
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memmove(hdr + 20 + 16, hdr + 20 + format_data_length, 8);
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hdr[16] = 16;
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hdr[17] = 0;
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hdr[18] = 0;
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hdr[19] = 0;
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format_data_length = 16;
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hdr_len = 44;
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}
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bytes_per_sample = channel_count * ((sample_bit_length + 7) / 8);
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if (samples == 0)
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{
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samples = sample_rate * sec;
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samples += ((sample_rate / 100) * (us / 10)) / 1000;
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if (format_data_length > 16) {
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memmove(hdr + 20 + 16, hdr + 20 + format_data_length, 8);
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hdr[16] = 16;
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hdr[17] = 0;
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hdr[18] = 0;
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hdr[19] = 0;
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format_data_length = 16;
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hdr_len = 44;
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}
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if (samples > 0) {
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data_length = samples * bytes_per_sample;
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chunk_data_length = data_length + 36;
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} else {
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chunk_data_length = 0xffffffff;
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data_length = chunk_data_length - 36;
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}
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bytes_per_sample = channel_count * ((sample_bit_length + 7) / 8);
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if (data_length_ret != NULL)
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*data_length_ret = data_length;
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if (samples == 0) {
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samples = sample_rate * sec;
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samples += ((sample_rate / 100) * (us / 10)) / 1000;
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}
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hdr[4] = chunk_data_length % 0x100;
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hdr[5] = (chunk_data_length >> 8) % 0x100;
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hdr[6] = (chunk_data_length >> 16) % 0x100;
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hdr[7] = (chunk_data_length >> 24) % 0x100;
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if (samples > 0) {
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data_length = samples * bytes_per_sample;
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chunk_data_length = data_length + 36;
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} else {
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chunk_data_length = 0xffffffff;
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data_length = chunk_data_length - 36;
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}
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hdr[40] = data_length % 0x100;
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hdr[41] = (data_length >> 8) % 0x100;
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hdr[42] = (data_length >> 16) % 0x100;
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hdr[43] = (data_length >> 24) % 0x100;
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if (data_length_ret != NULL)
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*data_length_ret = data_length;
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return hdr_len;
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hdr[4] = chunk_data_length % 0x100;
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hdr[5] = (chunk_data_length >> 8) % 0x100;
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hdr[6] = (chunk_data_length >> 16) % 0x100;
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hdr[7] = (chunk_data_length >> 24) % 0x100;
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hdr[40] = data_length % 0x100;
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hdr[41] = (data_length >> 8) % 0x100;
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hdr[42] = (data_length >> 16) % 0x100;
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hdr[43] = (data_length >> 24) % 0x100;
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return hdr_len;
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}
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static void usage(int exitval);
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static void usage(int exitval)
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{
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fprintf(stderr,
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"Usage: %s [ options ] [input-file]\n", av0);
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fprintf(stderr,
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"\n");
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fprintf(stderr,
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"Options:\n");
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fprintf(stderr,
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"-l len | --length=len Length of the sound file in seconds.\n");
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fprintf(stderr,
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"-s len | --samples=len Length of the sound file in samples.\n");
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fprintf(stderr,
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"-o offset | --offset=offset Number of bytes to discard from the stream.\n");
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fprintf(stderr,
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"\n");
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fprintf(stderr,
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"--samples and --length are mutually exclusive.\n");
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fprintf(stderr,
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"Usage: %s [ options ] [input-file]\n", av0);
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fprintf(stderr,
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"\n");
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fprintf(stderr,
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"Options:\n");
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fprintf(stderr,
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"-l len | --length=len Length of the sound file in seconds.\n");
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fprintf(stderr,
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"-s len | --samples=len Length of the sound file in samples.\n");
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fprintf(stderr,
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"-o offset | --offset=offset Number of bytes to discard from the stream.\n");
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fprintf(stderr,
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"\n");
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fprintf(stderr,
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"--samples and --length are mutually exclusive.\n");
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exit(exitval);
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#ifndef HAVE_GETOPT_H
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fprintf(stderr,
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"\n\nLong options are not availabl eon this system.\n");
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#endif
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exit(exitval);
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}
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int main(int argc, char **argv)
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{
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int c;
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unsigned long sec = 0, us = 0, samples = 0;
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unsigned long offset = 0;
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unsigned long skip = 0;
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char *end;
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FILE *f;
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unsigned char *hdr;
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size_t hdr_len;
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size_t data_len;
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unsigned char buf[0x1000];
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size_t buf_len;
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int c;
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unsigned long sec = 0, us = 0, samples = 0;
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unsigned long offset = 0;
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unsigned long skip = 0;
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char *end;
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FILE *f;
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unsigned char *hdr;
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size_t hdr_len;
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size_t data_len;
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unsigned char buf[0x1000];
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size_t buf_len;
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if (strchr(argv[0], '/'))
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av0 = strrchr(argv[0], '/') + 1;
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else
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av0 = argv[0];
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if (strchr(argv[0], '/'))
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av0 = strrchr(argv[0], '/') + 1;
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else
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av0 = argv[0];
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while ((c = getopt_long(argc, argv, "+hl:o:s:", longopts, NULL)) != EOF)
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switch(c)
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{
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case 'h':
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usage(0);
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/*NOTREACHED*/
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break;
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case 'l':
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sec = strtoul(optarg, &end, 10);
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if ((*optarg == '-') || (end == optarg) || ((*end != '\0') && (*end != '.'))) {
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fprintf(stderr, "%s: Invalid -l argument.\n", av0);
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exit(-1);
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} else if (*end == '.') {
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char tmp[7];
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int i;
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#ifdef HAVE_GETOPT_H
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while ((c = getopt_long(argc, argv, "+hl:o:s:", longopts, NULL)) != EOF) {
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#else
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while ((c = getopt(argc, argv, "hl:o:s:")) != -1) {
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#endif
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switch(c) {
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case 'h':
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usage(0);
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/*NOTREACHED*/
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break;
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case 'l':
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sec = strtoul(optarg, &end, 10);
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if ((*optarg == '-') || (end == optarg) || ((*end != '\0') && (*end != '.'))) {
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fprintf(stderr, "%s: Invalid -l argument.\n", av0);
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exit(-1);
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} else if (*end == '.') {
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char tmp[7];
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int i;
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memset(tmp, '0', sizeof (tmp) - 1);
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tmp[sizeof (tmp) - 1] = '\0';
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for (i = 0; (i < (sizeof (tmp) - 1)) && (isdigit(end[i+1])); i++)
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tmp[i] = end[i+1];
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us = strtoul(tmp, NULL, 10);
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} else {
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us = 0;
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}
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memset(tmp, '0', sizeof (tmp) - 1);
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tmp[sizeof (tmp) - 1] = '\0';
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for (i = 0; (i < (sizeof (tmp) - 1)) && (isdigit(end[i+1])); i++)
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tmp[i] = end[i+1];
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us = strtoul(tmp, NULL, 10);
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} else {
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us = 0;
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}
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if ((sec == 0) && (us == 0)) {
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fprintf(stderr, "%s: Invalid -l argument (zero is not acceptable).\n", av0);
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exit(-1);
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}
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if (samples != 0) {
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fprintf(stderr, "%s: Parameters -s and -l are mutually exclusive.\n", av0);
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exit(-1);
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}
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break;
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if ((sec == 0) && (us == 0)) {
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fprintf(stderr, "%s: Invalid -l argument (zero is not acceptable).\n", av0);
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exit(-1);
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}
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case 's':
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samples = strtoul(optarg, &end, 10);
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if ((*optarg == '-') || (end == optarg) || (*end != '\0')) {
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fprintf(stderr, "%s: Invalid -s argument.\n", av0);
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exit(-1);
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if (samples != 0) {
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fprintf(stderr, "%s: Parameters -s and -l are mutually exclusive.\n", av0);
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exit(-1);
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}
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break;
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case 's':
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samples = strtoul(optarg, &end, 10);
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if ((*optarg == '-') || (end == optarg) || (*end != '\0')) {
|
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fprintf(stderr, "%s: Invalid -s argument.\n", av0);
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exit(-1);
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}
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if (samples == 0) {
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fprintf(stderr, "%s: Invalid -s argument (zero is not acceptable).\n", av0);
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exit(-1);
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}
|
||||
if ((sec != 0) || (us != 0)) {
|
||||
fprintf(stderr, "%s: Parameters -l and -s are mutually exclusive.\n", av0);
|
||||
exit(-1);
|
||||
}
|
||||
break;
|
||||
|
||||
case 'o':
|
||||
offset = strtoul(optarg, &end, 10);
|
||||
if ((*optarg == '-') || (end == optarg) || (*end != '\0')) {
|
||||
fprintf(stderr, "%s: Invalid -o argument.\n", av0);
|
||||
exit(-1);
|
||||
}
|
||||
break;
|
||||
|
||||
default:
|
||||
fprintf(stderr, "%s: Bad command line option -%c.\n", av0, optopt);
|
||||
usage(-1);
|
||||
}
|
||||
}
|
||||
|
||||
argc -= optind;
|
||||
argv += optind;
|
||||
|
||||
if (argc == 0) {
|
||||
f = stdin;
|
||||
} else if (argc == 1) {
|
||||
f = fopen(argv[0], "rb");
|
||||
if (f == NULL) {
|
||||
fprintf(stderr, "%s: Can't open file %s for reading.\n", av0, argv[0]);
|
||||
exit(1);
|
||||
}
|
||||
} else {
|
||||
fprintf(stderr, "%s: Too many command line arguments.\n", av0);
|
||||
usage(-1);
|
||||
}
|
||||
|
||||
hdr = read_hdr(f, &hdr_len);
|
||||
if (hdr == NULL) {
|
||||
fprintf(stderr, "%s: Can't read wav header.\n", av0);
|
||||
exit(2);
|
||||
}
|
||||
if ((hdr_len = patch_hdr(hdr, hdr_len, sec, us, samples, &data_len)) == 0) {
|
||||
free(hdr);
|
||||
fprintf(stderr, "%s: Can't parse (or patch) wav header.\n", av0);
|
||||
exit(2);
|
||||
}
|
||||
|
||||
if (offset > hdr_len + data_len) {
|
||||
fprintf(stderr, "%s: Offset is beyond EOF.\n", av0);
|
||||
exit(3);
|
||||
}
|
||||
|
||||
if ((offset > 0) && (offset < hdr_len)) {
|
||||
memmove(hdr, hdr + offset, hdr_len - offset);
|
||||
hdr_len -= offset;
|
||||
offset = 0;
|
||||
}
|
||||
|
||||
if (offset > 0) {
|
||||
offset -= hdr_len;
|
||||
} else {
|
||||
if (fwrite(hdr, hdr_len, 1, stdout) != 1) {
|
||||
fprintf(stderr, "%s: Write failed.\n", av0);
|
||||
exit(4);
|
||||
}
|
||||
if (samples == 0) {
|
||||
fprintf(stderr, "%s: Invalid -s argument (zero is not acceptable).\n", av0);
|
||||
exit(-1);
|
||||
}
|
||||
if ((sec != 0) || (us != 0)) {
|
||||
fprintf(stderr, "%s: Parameters -l and -s are mutually exclusive.\n", av0);
|
||||
exit(-1);
|
||||
}
|
||||
break;
|
||||
|
||||
case 'o':
|
||||
offset = strtoul(optarg, &end, 10);
|
||||
if ((*optarg == '-') || (end == optarg) || (*end != '\0')) {
|
||||
fprintf(stderr, "%s: Invalid -o argument.\n", av0);
|
||||
exit(-1);
|
||||
}
|
||||
break;
|
||||
|
||||
default:
|
||||
fprintf(stderr, "%s: Bad command line option -%c.\n", av0, optopt);
|
||||
usage(-1);
|
||||
}
|
||||
|
||||
argc -= optind;
|
||||
argv += optind;
|
||||
|
||||
if (argc == 0) {
|
||||
f = stdin;
|
||||
} else if (argc == 1) {
|
||||
f = fopen(argv[0], "rb");
|
||||
if (f == NULL) {
|
||||
fprintf(stderr, "%s: Can't open file %s for reading.\n", av0, argv[0]);
|
||||
exit(1);
|
||||
}
|
||||
} else {
|
||||
fprintf(stderr, "%s: Too many command line arguments.\n", av0);
|
||||
usage(-1);
|
||||
}
|
||||
|
||||
hdr = read_hdr(f, &hdr_len);
|
||||
if (hdr == NULL) {
|
||||
fprintf(stderr, "%s: Can't read wav header.\n", av0);
|
||||
exit(2);
|
||||
}
|
||||
if ((hdr_len = patch_hdr(hdr, hdr_len, sec, us, samples, &data_len)) == 0) {
|
||||
free(hdr);
|
||||
fprintf(stderr, "%s: Can't parse (or patch) wav header.\n", av0);
|
||||
exit(2);
|
||||
}
|
||||
hdr = NULL;
|
||||
hdr_len = 0;
|
||||
|
||||
if (offset > hdr_len + data_len) {
|
||||
fprintf(stderr, "%s: Offset is beyond EOF.\n", av0);
|
||||
exit(3);
|
||||
}
|
||||
|
||||
if ((offset > 0) && (offset < hdr_len)) {
|
||||
memmove(hdr, hdr + offset, hdr_len - offset);
|
||||
hdr_len -= offset;
|
||||
offset = 0;
|
||||
}
|
||||
|
||||
if (offset > 0) {
|
||||
offset -= hdr_len;
|
||||
} else {
|
||||
if (fwrite(hdr, hdr_len, 1, stdout) != 1) {
|
||||
fprintf(stderr, "%s: Write failed.\n", av0);
|
||||
exit(4);
|
||||
if (offset > 0) {
|
||||
data_len -= offset;
|
||||
while (offset > 0) {
|
||||
buf_len = (offset > sizeof (buf)) ? sizeof (buf) : offset;
|
||||
if (fread(buf, buf_len, 1, f) != 1) {
|
||||
fprintf(stderr, "%s: Read failed.\n", av0);
|
||||
exit(5);
|
||||
}
|
||||
offset -= buf_len;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
free(hdr);
|
||||
hdr = NULL;
|
||||
hdr_len = 0;
|
||||
|
||||
if (offset > 0) {
|
||||
data_len -= offset;
|
||||
while (offset > 0) {
|
||||
buf_len = (offset > sizeof (buf)) ? sizeof (buf) : offset;
|
||||
if (fread(buf, buf_len, 1, f) != 1) {
|
||||
fprintf(stderr, "%s: Read failed.\n", av0);
|
||||
exit(5);
|
||||
}
|
||||
offset -= buf_len;
|
||||
while (data_len > 0) {
|
||||
buf_len = (data_len > sizeof (buf)) ? sizeof (buf) : data_len;
|
||||
if (fread(buf, buf_len, 1, f) != 1) {
|
||||
fprintf(stderr, "%s: Read failed.\n", av0);
|
||||
exit(5);
|
||||
}
|
||||
if (fwrite(buf, buf_len, 1, stdout) != 1) {
|
||||
fprintf(stderr, "%s: Write failed.\n", av0);
|
||||
exit(4);
|
||||
}
|
||||
data_len -= buf_len;
|
||||
}
|
||||
}
|
||||
|
||||
while (data_len > 0) {
|
||||
buf_len = (data_len > sizeof (buf)) ? sizeof (buf) : data_len;
|
||||
if (fread(buf, buf_len, 1, f) != 1) {
|
||||
fprintf(stderr, "%s: Read failed.\n", av0);
|
||||
exit(5);
|
||||
if (f != stdout) {
|
||||
fclose(f);
|
||||
}
|
||||
if (fwrite(buf, buf_len, 1, stdout) != 1) {
|
||||
fprintf(stderr, "%s: Write failed.\n", av0);
|
||||
exit(4);
|
||||
}
|
||||
data_len -= buf_len;
|
||||
}
|
||||
|
||||
if (f != stdout) {
|
||||
fclose(f);
|
||||
}
|
||||
exit(0);
|
||||
exit(0);
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user