Add experimental, and for now hidden, option --hts-verbose

Author: pd3

vcfview.c

@@ -1,6 +1,6 @@
 /*  vcfview.c -- VCF/BCF conversion, view, subset and filter VCF/BCF files.
 
-    Copyright (C) 2013-2023 Genome Research Ltd.
+    Copyright (C) 2013-2025 Genome Research Ltd.
 
     Author: Shane McCarthy <[email protected]>
 
@@ -525,6 +525,7 @@ static void usage(args_t *args)
     fprintf(stderr, "    -T, --targets-file [^]FILE        Similar to -R but streams rather than index-jumps. Exclude regions with \"^\" prefix\n");
     fprintf(stderr, "        --targets-overlap 0|1|2       Include if POS in the region (0), record overlaps (1), variant overlaps (2) [0]\n");
     fprintf(stderr, "        --threads INT                 Use multithreading with INT worker threads [0]\n");
+    //fprintf(stderr, "        --hts-verbose INT             Verbosity of HTSlib functions [0]\n");
     fprintf(stderr, "\n");
     fprintf(stderr, "Subset options:\n");
     fprintf(stderr, "    -A, --trim-unseen-allele          Remove '<*>' or '<NON_REF>' at variant (-A) or at all (-AA) sites\n");
@@ -618,6 +619,7 @@ int main_vcfview(int argc, char *argv[])
         {"exclude-phased",no_argument,NULL,'P'},
         {"no-version",no_argument,NULL,8},
         {"write-index",optional_argument,NULL,'W'},
+        {"hts-verbose",required_argument,NULL,9},
         {NULL,0,NULL,0}
     };
     char *tmp;
@@ -750,6 +752,7 @@ int main_vcfview(int argc, char *argv[])
                 break;
             case  9 : args->n_threads = strtol(optarg, 0, 0); break;
             case  8 : args->record_cmd_line = 0; break;
+            case 10 : hts_verbose = strtol(optarg, 0, 0); break;
             case 'W':
                 if (!(args->write_index = write_index_parse(optarg)))
                     error("Unsupported index format '%s'\n", optarg);