[med-svn] [htslib] 02/10: Trivial fix for reading empty cram indices.

[Andreas Tille]

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tille pushed a commit to branch master
in repository htslib.

commit 27395580420c1e59247460d44d8b96c9d6ccf92d
Author: James Bonfield <jkb at sanger.ac.uk>
Date:   Wed Jun 21 15:13:43 2017 +0100

    Trivial fix for reading empty cram indices.
    
    Fixes #556
---
 cram/cram_index.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/cram/cram_index.c b/cram/cram_index.c
index 53f1788..90d7bea 100644
--- a/cram/cram_index.c
+++ b/cram/cram_index.c
@@ -208,7 +208,7 @@ int cram_index_load(cram_fd *fd, const char *fn, const char *fn_idx) {
 
 
     // Parse it line at a time
-    do {
+    while (pos < kstr.l) {
 	/* 1.1 layout */
 	if (kget_int32(&kstr, &pos, &e.refid) == -1)
             goto fail;
@@ -292,7 +292,7 @@ int cram_index_load(cram_fd *fd, const char *fn, const char *fn_idx) {
 	while (pos < kstr.l && kstr.s[pos] != '\n')
 	    pos++;
 	pos++;
-    } while (pos < kstr.l);
+    }
 
     free(idx_stack);
     free(kstr.s);

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