diff options
Diffstat (limited to 'xdiff/xdiffi.c')
-rw-r--r-- | xdiff/xdiffi.c | 35 |
1 files changed, 18 insertions, 17 deletions
diff --git a/xdiff/xdiffi.c b/xdiff/xdiffi.c index 69689fa..53e803e 100644 --- a/xdiff/xdiffi.c +++ b/xdiff/xdiffi.c @@ -315,16 +315,19 @@ int xdl_do_diff(mmfile_t *mf1, mmfile_t *mf2, xpparam_t const *xpp, long *kvd, *kvdf, *kvdb; xdalgoenv_t xenv; diffdata_t dd1, dd2; + int res; - if (XDF_DIFF_ALG(xpp->flags) == XDF_PATIENCE_DIFF) - return xdl_do_patience_diff(mf1, mf2, xpp, xe); - - if (XDF_DIFF_ALG(xpp->flags) == XDF_HISTOGRAM_DIFF) - return xdl_do_histogram_diff(mf1, mf2, xpp, xe); + if (xdl_prepare_env(mf1, mf2, xpp, xe) < 0) + return -1; - if (xdl_prepare_env(mf1, mf2, xpp, xe) < 0) { + if (XDF_DIFF_ALG(xpp->flags) == XDF_PATIENCE_DIFF) { + res = xdl_do_patience_diff(mf1, mf2, xpp, xe); + goto out; + } - return -1; + if (XDF_DIFF_ALG(xpp->flags) == XDF_HISTOGRAM_DIFF) { + res = xdl_do_histogram_diff(mf1, mf2, xpp, xe); + goto out; } /* @@ -334,7 +337,7 @@ int xdl_do_diff(mmfile_t *mf1, mmfile_t *mf2, xpparam_t const *xpp, * One is to store the forward path and one to store the backward path. */ ndiags = xe->xdf1.nreff + xe->xdf2.nreff + 3; - if (!(kvd = (long *) xdl_malloc((2 * ndiags + 2) * sizeof(long)))) { + if (!XDL_ALLOC_ARRAY(kvd, 2 * ndiags + 2)) { xdl_free_env(xe); return -1; @@ -359,17 +362,15 @@ int xdl_do_diff(mmfile_t *mf1, mmfile_t *mf2, xpparam_t const *xpp, dd2.rchg = xe->xdf2.rchg; dd2.rindex = xe->xdf2.rindex; - if (xdl_recs_cmp(&dd1, 0, dd1.nrec, &dd2, 0, dd2.nrec, - kvdf, kvdb, (xpp->flags & XDF_NEED_MINIMAL) != 0, &xenv) < 0) { - - xdl_free(kvd); - xdl_free_env(xe); - return -1; - } - + res = xdl_recs_cmp(&dd1, 0, dd1.nrec, &dd2, 0, dd2.nrec, + kvdf, kvdb, (xpp->flags & XDF_NEED_MINIMAL) != 0, + &xenv); xdl_free(kvd); + out: + if (res < 0) + xdl_free_env(xe); - return 0; + return res; } |