diff options
Diffstat (limited to 'builtin/apply.c')
| -rw-r--r-- | builtin/apply.c | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/builtin/apply.c b/builtin/apply.c index 06f5320b18..30eefc3c7b 100644 --- a/builtin/apply.c +++ b/builtin/apply.c @@ -1921,7 +1921,7 @@ static int parse_binary(char *buffer, unsigned long size, struct patch *patch) } /* - * Read the patch text in "buffer" taht extends for "size" bytes; stop + * Read the patch text in "buffer" that extends for "size" bytes; stop * reading after seeing a single patch (i.e. changes to a single file). * Create fragments (i.e. patch hunks) and hang them to the given patch. * Return the number of bytes consumed, so that the caller can call us @@ -2117,10 +2117,10 @@ static void update_pre_post_images(struct image *preimage, /* * Adjust the common context lines in postimage. This can be - * done in-place when we are just doing whitespace fixing, - * which does not make the string grow, but needs a new buffer - * when ignoring whitespace causes the update, since in this case - * we could have e.g. tabs converted to multiple spaces. + * done in-place when we are shrinking it with whitespace + * fixing, but needs a new buffer when ignoring whitespace or + * expanding leading tabs to spaces. + * * We trust the caller to tell us if the update can be done * in place (postlen==0) or not. */ @@ -2185,7 +2185,7 @@ static int match_fragment(struct image *img, int i; char *fixed_buf, *buf, *orig, *target; struct strbuf fixed; - size_t fixed_len; + size_t fixed_len, postlen; int preimage_limit; if (preimage->nr + try_lno <= img->nr) { @@ -2335,6 +2335,7 @@ static int match_fragment(struct image *img, strbuf_init(&fixed, preimage->len + 1); orig = preimage->buf; target = img->buf + try; + postlen = 0; for (i = 0; i < preimage_limit; i++) { size_t oldlen = preimage->line[i].len; size_t tgtlen = img->line[try_lno + i].len; @@ -2362,6 +2363,7 @@ static int match_fragment(struct image *img, match = (tgtfix.len == fixed.len - fixstart && !memcmp(tgtfix.buf, fixed.buf + fixstart, fixed.len - fixstart)); + postlen += tgtfix.len; strbuf_release(&tgtfix); if (!match) @@ -2399,8 +2401,10 @@ static int match_fragment(struct image *img, * hunk match. Update the context lines in the postimage. */ fixed_buf = strbuf_detach(&fixed, &fixed_len); + if (postlen < postimage->len) + postlen = 0; update_pre_post_images(preimage, postimage, - fixed_buf, fixed_len, 0); + fixed_buf, fixed_len, postlen); return 1; unmatch_exit: @@ -3025,7 +3029,7 @@ static struct patch *in_fn_table(const char *name) * * The latter is needed to deal with a case where two paths A and B * are swapped by first renaming A to B and then renaming B to A; - * moving A to B should not be prevented due to presense of B as we + * moving A to B should not be prevented due to presence of B as we * will remove it in a later patch. */ #define PATH_TO_BE_DELETED ((struct patch *) -2) @@ -3509,7 +3513,7 @@ static int check_patch(struct patch *patch) * * A patch to swap-rename between A and B would first rename A * to B and then rename B to A. While applying the first one, - * the presense of B should not stop A from getting renamed to + * the presence of B should not stop A from getting renamed to * B; ask to_be_deleted() about the later rename. Removal of * B and rename from A to B is handled the same way by asking * was_deleted(). |