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r847: guard against -N0

This commit is contained in:
Heng Li 2018-09-27 15:13:44 -04:00
parent 1077b7ddc8
commit 97f97306a4
1 changed files with 7 additions and 3 deletions
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10
main.c
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@ -6,7 +6,7 @@
#include "mmpriv.h"
#include "ketopt.h"
#define MM_VERSION "2.12-r846-dirty"
#define MM_VERSION "2.12-r847-dirty"
#ifdef __linux__
#include <sys/resource.h>
@ -101,7 +101,7 @@ int main(int argc, char *argv[])
ketopt_t o = KETOPT_INIT;
mm_mapopt_t opt;
mm_idxopt_t ipt;
int i, c, n_threads = 3, n_parts;
int i, c, n_threads = 3, n_parts, old_best_n = -1;
char *fnw = 0, *rg = 0, *s;
FILE *fp_help = stderr;
mm_idx_reader_t *idx_rdr;
@ -139,7 +139,7 @@ int main(int argc, char *argv[])
else if (c == 'g') opt.max_gap = (int)mm_parse_num(o.arg);
else if (c == 'G') mm_mapopt_max_intron_len(&opt, (int)mm_parse_num(o.arg));
else if (c == 'F') opt.max_frag_len = (int)mm_parse_num(o.arg);
else if (c == 'N') opt.best_n = atoi(o.arg);
else if (c == 'N') old_best_n = opt.best_n, opt.best_n = atoi(o.arg);
else if (c == 'p') opt.pri_ratio = atof(o.arg);
else if (c == 'M') opt.mask_level = atof(o.arg);
else if (c == 'c') opt.flag |= MM_F_OUT_CG | MM_F_CIGAR;
@ -253,6 +253,10 @@ int main(int argc, char *argv[])
ipt.flag |= MM_I_NO_SEQ;
if (mm_check_opt(&ipt, &opt) < 0)
return 1;
if (opt.best_n == 0) {
fprintf(stderr, "[WARNING]\033[1;31m changed '-N 0' to '-N %d --secondary=no'.\033[0m\n", old_best_n);
opt.best_n = old_best_n, opt.flag |= MM_F_NO_PRINT_2ND;
}
if (argc == o.ind || fp_help == stdout) {
fprintf(fp_help, "Usage: minimap2 [options] <target.fa>|<target.idx> [query.fa] [...]\n");