From: Ezekiel Newren <ezekielnewren@xxxxxxxxx> Move xdl_prepare_env() later in the file to avoid the need for static forward declarations. Signed-off-by: Ezekiel Newren <ezekielnewren@xxxxxxxxx> --- xdiff/xprepare.c | 116 ++++++++++++++++++++--------------------------- 1 file changed, 50 insertions(+), 66 deletions(-) diff --git a/xdiff/xprepare.c b/xdiff/xprepare.c index e1d4017b2d..a45c5ee208 100644 --- a/xdiff/xprepare.c +++ b/xdiff/xprepare.c @@ -53,21 +53,6 @@ typedef struct s_xdlclassifier { -static int xdl_init_classifier(xdlclassifier_t *cf, long size, long flags); -static void xdl_free_classifier(xdlclassifier_t *cf); -static int xdl_classify_record(unsigned int pass, xdlclassifier_t *cf, xrecord_t **rhash, - unsigned int hbits, xrecord_t *rec); -static int xdl_prepare_ctx(unsigned int pass, mmfile_t *mf, long narec, xpparam_t const *xpp, - xdlclassifier_t *cf, xdfile_t *xdf); -static void xdl_free_ctx(xdfile_t *xdf); -static int xdl_clean_mmatch(char const *dis, long i, long s, long e); -static int xdl_cleanup_records(xdlclassifier_t *cf, xdfile_t *xdf1, xdfile_t *xdf2); -static int xdl_trim_ends(xdfile_t *xdf1, xdfile_t *xdf2); -static int xdl_optimize_ctxs(xdlclassifier_t *cf, xdfile_t *xdf1, xdfile_t *xdf2); - - - - static int xdl_init_classifier(xdlclassifier_t *cf, long size, long flags) { cf->flags = flags; @@ -242,57 +227,6 @@ static void xdl_free_ctx(xdfile_t *xdf) { } -int xdl_prepare_env(mmfile_t *mf1, mmfile_t *mf2, xpparam_t const *xpp, - xdfenv_t *xe) { - long enl1, enl2, sample; - xdlclassifier_t cf; - - memset(&cf, 0, sizeof(cf)); - - /* - * For histogram diff, we can afford a smaller sample size and - * thus a poorer estimate of the number of lines, as the hash - * table (rhash) won't be filled up/grown. The number of lines - * (nrecs) will be updated correctly anyway by - * xdl_prepare_ctx(). - */ - sample = (XDF_DIFF_ALG(xpp->flags) == XDF_HISTOGRAM_DIFF - ? XDL_GUESS_NLINES2 : XDL_GUESS_NLINES1); - - enl1 = xdl_guess_lines(mf1, sample) + 1; - enl2 = xdl_guess_lines(mf2, sample) + 1; - - if (xdl_init_classifier(&cf, enl1 + enl2 + 1, xpp->flags) < 0) - return -1; - - if (xdl_prepare_ctx(1, mf1, enl1, xpp, &cf, &xe->xdf1) < 0) { - - xdl_free_classifier(&cf); - return -1; - } - if (xdl_prepare_ctx(2, mf2, enl2, xpp, &cf, &xe->xdf2) < 0) { - - xdl_free_ctx(&xe->xdf1); - xdl_free_classifier(&cf); - return -1; - } - - if ((XDF_DIFF_ALG(xpp->flags) != XDF_PATIENCE_DIFF) && - (XDF_DIFF_ALG(xpp->flags) != XDF_HISTOGRAM_DIFF) && - xdl_optimize_ctxs(&cf, &xe->xdf1, &xe->xdf2) < 0) { - - xdl_free_ctx(&xe->xdf2); - xdl_free_ctx(&xe->xdf1); - xdl_free_classifier(&cf); - return -1; - } - - xdl_free_classifier(&cf); - - return 0; -} - - void xdl_free_env(xdfenv_t *xe) { xdl_free_ctx(&xe->xdf2); @@ -460,3 +394,53 @@ static int xdl_optimize_ctxs(xdlclassifier_t *cf, xdfile_t *xdf1, xdfile_t *xdf2 return 0; } + +int xdl_prepare_env(mmfile_t *mf1, mmfile_t *mf2, xpparam_t const *xpp, + xdfenv_t *xe) { + long enl1, enl2, sample; + xdlclassifier_t cf; + + memset(&cf, 0, sizeof(cf)); + + /* + * For histogram diff, we can afford a smaller sample size and + * thus a poorer estimate of the number of lines, as the hash + * table (rhash) won't be filled up/grown. The number of lines + * (nrecs) will be updated correctly anyway by + * xdl_prepare_ctx(). + */ + sample = (XDF_DIFF_ALG(xpp->flags) == XDF_HISTOGRAM_DIFF + ? XDL_GUESS_NLINES2 : XDL_GUESS_NLINES1); + + enl1 = xdl_guess_lines(mf1, sample) + 1; + enl2 = xdl_guess_lines(mf2, sample) + 1; + + if (xdl_init_classifier(&cf, enl1 + enl2 + 1, xpp->flags) < 0) + return -1; + + if (xdl_prepare_ctx(1, mf1, enl1, xpp, &cf, &xe->xdf1) < 0) { + + xdl_free_classifier(&cf); + return -1; + } + if (xdl_prepare_ctx(2, mf2, enl2, xpp, &cf, &xe->xdf2) < 0) { + + xdl_free_ctx(&xe->xdf1); + xdl_free_classifier(&cf); + return -1; + } + + if ((XDF_DIFF_ALG(xpp->flags) != XDF_PATIENCE_DIFF) && + (XDF_DIFF_ALG(xpp->flags) != XDF_HISTOGRAM_DIFF) && + xdl_optimize_ctxs(&cf, &xe->xdf1, &xe->xdf2) < 0) { + + xdl_free_ctx(&xe->xdf2); + xdl_free_ctx(&xe->xdf1); + xdl_free_classifier(&cf); + return -1; + } + + xdl_free_classifier(&cf); + + return 0; +} -- gitgitgadget