* samtools-0.1.4-9 (r340)

[samtools.git] / bam_import.c

diff --git a/bam_import.c b/bam_import.c
index c08547345056a356b6b07b50e931c9baff05f48c..c7f866701edd87f37e18fbc9768ed63f68be7f9e 100644 (file)
--- a/bam_import.c
+++ b/bam_import.c
@@ -153,7 +153,9 @@ int sam_header_parse_rg(bam_header_t *h)
        char *p, *q, *s, *r;
        int n = 0;
 
-       bam_strmap_destroy(h->rg2lib);
+       // free
+       bam_strmap_destroy(h->rg2lib); h->rg2lib = 0;
+       if (h->l_text < 3) return 0;
        // parse @RG lines
        h->rg2lib = bam_strmap_init();
        rgid = calloc(1, sizeof(kstring_t));
@@ -193,6 +195,10 @@ int sam_header_parse_rg(bam_header_t *h)
        }
        free(rgid->s); free(rgid);
        free(rglib->s); free(rglib);
+       if (n == 0) {
+               bam_strmap_destroy(h->rg2lib);
+               h->rg2lib = 0;
+       }
        return n;
 }