*
*/
-#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
-#include <unistd.h>
#include <string.h>
-#ifndef _AIX
-#include <getopt.h>
-#endif
-
-#include <libaec.h>
+#include "libaec.h"
#define CHUNK 10485760
int input_avail, output_avail;
char *outfn, *infn, *ext;
FILE *infp, *outfp;
- int cflag = 0;
- int dflag = 0;
+ int cflag;
+ int dflag;
+ char *opt;
+ int iarg;
chunk = CHUNK;
strm.bits_per_sample = 8;
strm.block_size = 8;
strm.rsi = 2;
strm.flags = AEC_DATA_PREPROCESS;
- opterr = 0;
outfn = 0;
+ cflag = 0;
+ dflag = 0;
+ iarg = 1;
+
+ if (argc == 1 || (argc == 2 && argv[1][0] == '-'))
+ goto FAIL;
- while ((c = getopt (argc, argv, "3Nb:cdj:mn:pr:st")) != -1)
- switch (c) {
+ while (iarg < argc - 1) {
+ opt = argv[iarg];
+ if (opt[0] != '-')
+ goto FAIL;
+ switch (opt[1]) {
case '3':
strm.flags |= AEC_DATA_3BYTE;
break;
strm.flags &= ~AEC_DATA_PREPROCESS;
break;
case 'b':
- chunk = atoi(optarg);
+ chunk = atoi(&opt[2]);
break;
case 'c':
cflag = 1;
dflag = 1;
break;
case 'j':
- strm.block_size = atoi(optarg);
+ strm.block_size = atoi(&opt[2]);
break;
case 'm':
strm.flags |= AEC_DATA_MSB;
break;
case 'n':
- strm.bits_per_sample = atoi(optarg);
+ strm.bits_per_sample = atoi(&opt[2]);
break;
case 'p':
strm.flags |= AEC_PAD_RSI;
break;
case 'r':
- strm.rsi = atoi(optarg);
+ strm.rsi = atoi(&opt[2]);
break;
case 's':
strm.flags |= AEC_DATA_SIGNED;
case 't':
strm.flags |= AEC_RESTRICTED;
break;
- case '?':
- if (optopt == 'b')
- fprintf (stderr, "Option -%c requires an argument.\n", optopt);
- else if (isprint (optopt))
- fprintf (stderr, "Unknown option `-%c'.\n", optopt);
- else
- fprintf (stderr,
- "Unknown option character `\\x%x'.\n",
- optopt);
- return 1;
default:
- abort ();
+ goto FAIL;
}
-
- if (optind < argc) {
- infn = argv[optind];
- } else {
- fprintf(stderr, "Usage: %s [OPTION] SOURCE\n", argv[0]);
- fprintf(stderr, "\nOPTIONS\n");
- fprintf(stderr, "-3\n 24 bit samples are stored in 3 bytes\n");
- fprintf(stderr, "-N\n disable pre/post processing\n");
- fprintf(stderr, "-b size\n internal buffer size in bytes\n");
- fprintf(stderr, "-c\n write output on standard output\n");
- fprintf(stderr, "-d\n decode SOURCE. If -d is not used: encode.\n");
- fprintf(stderr, "-j samples\n block size in samples\n");
- fprintf(stderr, "-m\n samples are MSB first. Default is LSB\n");
- fprintf(stderr, "-n bits\n bits per sample\n");
- fprintf(stderr, "-p\n pad RSI to byte boundary\n");
- fprintf(stderr, "-r blocks\n reference sample interval in blocks\n");
- fprintf(stderr, "-s\n samples are signed. Default is unsigned\n");
- fprintf(stderr, "-t\n use restricted set of code options\n\n");
- exit(-1);
+ iarg++;
}
+ infn = argv[iarg];
+
if (strm.bits_per_sample > 16) {
if (strm.bits_per_sample <= 24 && strm.flags & AEC_DATA_3BYTE)
chunk *= 3;
input_avail = 1;
output_avail = 1;
- if ((infp = fopen(infn, "r")) == NULL)
+ if ((infp = fopen(infn, "r")) == NULL) {
+ fprintf(stderr, "ERROR: cannot open file %s\n", infn);
exit(-1);
+ }
if (cflag) {
outfp = stdout;
free(outfn);
}
return 0;
+
+FAIL:
+ fprintf(stderr, "Usage: %s [OPTION] SOURCE\n", argv[0]);
+ fprintf(stderr, "\nOPTIONS (No spaces between option and parameter!)\n");
+ fprintf(stderr, "-3 24 bit samples are stored in 3 bytes\n");
+ fprintf(stderr, "-N disable pre/post processing\n");
+ fprintf(stderr, "-b<size> internal buffer size in bytes\n");
+ fprintf(stderr, "-c write output on standard output\n");
+ fprintf(stderr, "-d decode SOURCE. If -d is not used: encode.\n");
+ fprintf(stderr, "-j<samples> block size in samples\n");
+ fprintf(stderr, "-m samples are MSB first. Default is LSB\n");
+ fprintf(stderr, "-n<bits> bits per sample\n");
+ fprintf(stderr, "-p pad RSI to byte boundary\n");
+ fprintf(stderr, "-r<blocks> reference sample interval in blocks\n");
+ fprintf(stderr, "-s samples are signed. Default is unsigned\n");
+ fprintf(stderr, "-t use restricted set of code options\n\n");
+ return 1;
}