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make reader_open() work even if idxopt is NULL

This commit is contained in:
Heng Li 2017-09-15 11:29:49 -04:00
parent 14b853499f
commit 5966e5d6e4
1 changed files with 2 additions and 1 deletions
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3
index.c
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@ -454,7 +454,8 @@ mm_idx_reader_t *mm_idx_reader_open(const char *fn, const mm_idxopt_t *opt, cons
if (is_idx < 0) return 0; // failed to open the index
r = (mm_idx_reader_t*)calloc(1, sizeof(mm_idx_reader_t));
r->is_idx = is_idx;
r->opt = *opt;
if (opt) r->opt = *opt;
else mm_idxopt_init(&r->opt);
if (r->is_idx) r->fp.idx = fopen(fn, "rb");
else r->fp.seq = mm_bseq_open(fn);
if (fn_out) r->fp_out = fopen(fn_out, "wb");