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check *.64.bwt first and then *.bwt

This commit is contained in:
Heng Li 2012-03-29 14:45:00 -04:00
parent c875085b2b
commit d33abf127f
1 changed files with 6 additions and 4 deletions
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10
bwtaln.c
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@ -227,17 +227,19 @@ char *bwa_infer_prefix(const char *hint)
l_hint = strlen(hint);
prefix = malloc(l_hint + 3 + 4 + 1);
strcpy(prefix, hint);
strcpy(prefix + l_hint, ".bwt");
strcpy(prefix + l_hint, ".64.bwt");
if ((fp = fopen(prefix, "rb")) != 0) {
prefix[l_hint] = 0;
fclose(fp);
prefix[l_hint + 3] = 0;
return prefix;
} else {
strcpy(prefix + l_hint, ".64.bwt");
strcpy(prefix + l_hint, ".bwt");
if ((fp = fopen(prefix, "rb")) == 0) {
free(prefix);
return 0;
} else {
prefix[l_hint + 3] = 0;
fclose(fp);
prefix[l_hint] = 0;
return prefix;
}
}