+int bam_validate1(const bam_header_t *header, const bam1_t *b)
+{
+ char *s;
+
+ if (b->core.tid < -1 || b->core.mtid < -1) return 0;
+ if (header && (b->core.tid >= header->n_targets || b->core.mtid >= header->n_targets)) return 0;
+
+ if (b->data_len < b->core.l_qname) return 0;
+ s = memchr(bam1_qname(b), '\0', b->core.l_qname);
+ if (s != &bam1_qname(b)[b->core.l_qname-1]) return 0;
+
+ // FIXME: Other fields could also be checked, especially the auxiliary data
+
+ return 1;
+}
+