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[samtools.git] / bam_plcmd.c

diff --git a/bam_plcmd.c b/bam_plcmd.c
index ed00d2e80202fde96d5c5aecfc28aa8ff39e5bd6..f77be0467e6442c12145a35ebb97259e237d5625 100644 (file)
--- a/bam_plcmd.c
+++ b/bam_plcmd.c
@@ -208,6 +208,11 @@ static int mpileup(mplp_conf_t *conf, int n, char **fn)
                bam_header_t *h_tmp;
                data[i] = calloc(1, sizeof(mplp_aux_t));
                data[i]->fp = strcmp(fn[i], "-") == 0? bam_dopen(fileno(stdin), "r") : bam_open(fn[i], "r");
+        if ( !data[i]->fp )
+        {
+            fprintf(stderr, "[%s] failed to open %d-th input.\n", __func__, i+1);
+            exit(1);
+        }
                data[i]->conf = conf;
                h_tmp = bam_header_read(data[i]->fp);
                data[i]->h = i? h : h_tmp; // for i==0, "h" has not been set yet