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r954: fixed two potential undef behaviors (#443)

This commit is contained in:
Heng Li 2019-07-18 09:17:08 -04:00
parent 7fc03b0c32
commit d90583b83c
2 changed files with 3 additions and 3 deletions
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4
chain.c
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@ -155,8 +155,8 @@ mm128_t *mm_chain_dp(int max_dist_x, int max_dist_y, int bw, int max_skip, int m
memcpy(&a[k], &b[w[i].y>>32], n * sizeof(mm128_t)); memcpy(&a[k], &b[w[i].y>>32], n * sizeof(mm128_t));
k += n; k += n;
} }
memcpy(u, u2, n_u * 8); if (n_u) memcpy(u, u2, n_u * 8);
memcpy(b, a, k * sizeof(mm128_t)); // write _a_ to _b_ and deallocate _a_ because _a_ is oversized, sometimes a lot if (k) memcpy(b, a, k * sizeof(mm128_t)); // write _a_ to _b_ and deallocate _a_ because _a_ is oversized, sometimes a lot
kfree(km, a); kfree(km, w); kfree(km, u2); kfree(km, a); kfree(km, w); kfree(km, u2);
return b; return b;
} }

2
main.c
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@ -7,7 +7,7 @@
#include "mmpriv.h" #include "mmpriv.h"
#include "ketopt.h" #include "ketopt.h"
#define MM_VERSION "2.17-r953-dirty" #define MM_VERSION "2.17-r954-dirty"
#ifdef __linux__ #ifdef __linux__
#include <sys/resource.h> #include <sys/resource.h>