From 90cf0b22ce8a3532aeeba5a20fa99547017d8f1e Mon Sep 17 00:00:00 2001 From: Josh Coalson Date: Sat, 26 Jan 2002 23:17:17 +0000 Subject: [PATCH] fix bug where flac would crash if not given a value after some options --- src/flac/main.c | 86 +++++++++++++++++++++++++++++++++++++++++---------------- 1 file changed, 62 insertions(+), 24 deletions(-) diff --git a/src/flac/main.c b/src/flac/main.c index 362bcd6..b1b6f07 100644 --- a/src/flac/main.c +++ b/src/flac/main.c @@ -89,10 +89,12 @@ int main(int argc, char *argv[]) else if(0 == strcmp(argv[i], "-s-")) verbose = true; else if(0 == strcmp(argv[i], "-S")) { + if(++i >= argc) + return long_usage("ERROR: must specify a value with -S\n"); if(num_requested_seek_points < 0) num_requested_seek_points = 0; num_requested_seek_points++; - strcat(requested_seek_points, argv[++i]); + strcat(requested_seek_points, argv[i]); strcat(requested_seek_points, "<"); } else if(0 == strcmp(argv[i], "-S-")) { @@ -103,14 +105,20 @@ int main(int argc, char *argv[]) delete_input = true; else if(0 == strcmp(argv[i], "--delete-input-file-")) delete_input = false; - else if(0 == strcmp(argv[i], "--output-prefix")) - output_prefix = argv[++i]; + else if(0 == strcmp(argv[i], "--output-prefix")) { + if(++i >= argc) + return long_usage("ERROR: must specify a value with --output-prefix\n"); + output_prefix = argv[i]; + } else if(0 == strcmp(argv[i], "--sector-align")) sector_align = true; else if(0 == strcmp(argv[i], "--sector-align-")) sector_align = false; - else if(0 == strcmp(argv[i], "--skip")) - skip = (FLAC__uint64)atoi(argv[++i]); /* @@@ takes a pretty damn big file to overflow atoi() here, but it could happen */ + else if(0 == strcmp(argv[i], "--skip")) { + if(++i >= argc) + return long_usage("ERROR: must specify a value with --skip\n"); + skip = (FLAC__uint64)atoi(argv[i]); /* @@@ takes a pretty damn big file to overflow atoi() here, but it could happen */ + } else if(0 == strcmp(argv[i], "--lax")) lax = true; else if(0 == strcmp(argv[i], "--lax-")) @@ -121,8 +129,11 @@ int main(int argc, char *argv[]) else if(0 == strcmp(argv[i], "--ogg-")) use_ogg = false; #endif - else if(0 == strcmp(argv[i], "-b")) - blocksize = atoi(argv[++i]); + else if(0 == strcmp(argv[i], "-b")) { + if(++i >= argc) + return long_usage("ERROR: must specify a value with -b\n"); + blocksize = atoi(argv[i]); + } else if(0 == strcmp(argv[i], "-e")) do_exhaustive_model_search = true; else if(0 == strcmp(argv[i], "-e-")) @@ -131,8 +142,11 @@ int main(int argc, char *argv[]) do_escape_coding = true; else if(0 == strcmp(argv[i], "-E-")) do_escape_coding = false; - else if(0 == strcmp(argv[i], "-l")) - max_lpc_order = atoi(argv[++i]); + else if(0 == strcmp(argv[i], "-l")) { + if(++i >= argc) + return long_usage("ERROR: must specify a value with -l\n"); + max_lpc_order = atoi(argv[i]); + } else if(0 == strcmp(argv[i], "-m")) { do_mid_side = true; loose_mid_side = false; @@ -143,18 +157,30 @@ int main(int argc, char *argv[]) loose_mid_side = do_mid_side = true; else if(0 == strcmp(argv[i], "-M-")) loose_mid_side = do_mid_side = false; - else if(0 == strcmp(argv[i], "-o")) - cmdline_forced_outfilename = argv[++i]; + else if(0 == strcmp(argv[i], "-o")) { + if(++i >= argc) + return long_usage("ERROR: must specify a value with -o\n"); + cmdline_forced_outfilename = argv[i]; + } else if(0 == strcmp(argv[i], "-p")) do_qlp_coeff_prec_search = true; else if(0 == strcmp(argv[i], "-p-")) do_qlp_coeff_prec_search = false; - else if(0 == strcmp(argv[i], "-P")) - padding = atoi(argv[++i]); - else if(0 == strcmp(argv[i], "-q")) - qlp_coeff_precision = atoi(argv[++i]); + else if(0 == strcmp(argv[i], "-P")) { + if(++i >= argc) + return long_usage("ERROR: must specify a value with -P\n"); + padding = atoi(argv[i]); + } + else if(0 == strcmp(argv[i], "-q")) { + if(++i >= argc) + return long_usage("ERROR: must specify a value with -q\n"); + qlp_coeff_precision = atoi(argv[i]); + } else if(0 == strcmp(argv[i], "-r")) { - char *p = strchr(argv[++i], ','); + char *p; + if(++i >= argc) + return long_usage("ERROR: must specify a value with -r\n"); + p = strchr(argv[i], ','); if(0 == p) { min_residual_partition_order = 0; max_residual_partition_order = atoi(argv[i]); @@ -164,8 +190,11 @@ int main(int argc, char *argv[]) max_residual_partition_order = atoi(++p); } } - else if(0 == strcmp(argv[i], "-R")) - rice_parameter_search_dist = atoi(argv[++i]); + else if(0 == strcmp(argv[i], "-R")) { + if(++i >= argc) + return long_usage("ERROR: must specify a value with -R\n"); + rice_parameter_search_dist = atoi(argv[i]); + } else if(0 == strcmp(argv[i], "-V")) verify = true; else if(0 == strcmp(argv[i], "-V-")) @@ -174,12 +203,21 @@ int main(int argc, char *argv[]) format_is_big_endian = true; else if(0 == strcmp(argv[i], "-fl")) format_is_big_endian = false; - else if(0 == strcmp(argv[i], "-fc")) - format_channels = atoi(argv[++i]); - else if(0 == strcmp(argv[i], "-fp")) - format_bps = atoi(argv[++i]); - else if(0 == strcmp(argv[i], "-fs")) - format_sample_rate = atoi(argv[++i]); + else if(0 == strcmp(argv[i], "-fc")) { + if(++i >= argc) + return long_usage("ERROR: must specify a value with -fc\n"); + format_channels = atoi(argv[i]); + } + else if(0 == strcmp(argv[i], "-fp")) { + if(++i >= argc) + return long_usage("ERROR: must specify a value with -fp\n"); + format_bps = atoi(argv[i]); + } + else if(0 == strcmp(argv[i], "-fs")) { + if(++i >= argc) + return long_usage("ERROR: must specify a value with -fs\n"); + format_sample_rate = atoi(argv[i]); + } else if(0 == strcmp(argv[i], "-fu")) format_is_unsigned_samples = true; else if(0 == strcmp(argv[i], "-fr")) -- 2.7.4