Fix an error in parsing -i/-e command line options,

the `qry:` and `gt:` prefix was not stripped

Resolves #2432

Author: pd3

NEWS

@@ -23,6 +23,9 @@ Changes affecting specific commands:
       when the site is monoallelic in both query and genotype file. The new option --keep-refs
       allows to always include monoallelic sites.
 
+    - Fix an error in parsing -i/-e command line options where the `qry:` and `gt:` prefix was
+      not stripped (#2432)
+
 * bcftools norm
 
     - Make the -i/-e filtering option work for all options, such as line merging and

vcfgtcheck.c

@@ -1324,13 +1324,13 @@ int main_vcfgtcheck(int argc, char *argv[])
                 if ( !strncasecmp("gt:",optarg,3) )
                 {
                     if ( args->gt_filter_str ) error("Error: only one -i or -e expression can be given for gt:, and they cannot be combined\n");
-                    args->gt_filter_str = optarg;
+                    args->gt_filter_str = optarg+3;
                     args->gt_filter_logic |= FLT_EXCLUDE;
                 }
                 else if ( !strncasecmp("qry:",optarg,4) )
                 {
                     if ( args->qry_filter_str ) error("Error: only one -i or -e expression can be given for qry:, and they cannot be combined\n");
-                    args->qry_filter_str = optarg;
+                    args->qry_filter_str = optarg+4;
                     args->qry_filter_logic |= FLT_EXCLUDE;
                 }
                 else
@@ -1355,13 +1355,13 @@ int main_vcfgtcheck(int argc, char *argv[])
                 if ( !strncasecmp("gt:",optarg,3) )
                 {
                     if ( args->gt_filter_str ) error("Error: only one -i or -e expression can be given for gt:, and they cannot be combined\n");
-                    args->gt_filter_str = optarg;
+                    args->gt_filter_str = optarg+3;
                     args->gt_filter_logic |= FLT_INCLUDE;
                 }
                 else if ( !strncasecmp("qry:",optarg,4) )
                 {
                     if ( args->qry_filter_str ) error("Error: only one -i or -e expression can be given for qry:, and they cannot be combined\n");
-                    args->qry_filter_str = optarg;
+                    args->qry_filter_str = optarg+4;
                     args->qry_filter_logic |= FLT_INCLUDE;
                 }
                 else