diff options
Diffstat (limited to 'refs.c')
-rw-r--r-- | refs.c | 47 |
1 files changed, 36 insertions, 11 deletions
@@ -3089,24 +3089,49 @@ int for_each_reflog_ent_reverse(const char *refname, each_reflog_ent_fn fn, void bp = find_beginning_of_line(buf, scanp); - if (*bp != '\n') { - strbuf_splice(&sb, 0, 0, buf, endp - buf); - if (pos) - break; /* need to fill another block */ - scanp = buf - 1; /* leave loop */ - } else { + if (*bp == '\n') { /* - * (bp + 1) thru endp is the beginning of the - * current line we have in sb + * The newline is the end of the previous line, + * so we know we have complete line starting + * at (bp + 1). Prefix it onto any prior data + * we collected for the line and process it. */ strbuf_splice(&sb, 0, 0, bp + 1, endp - (bp + 1)); scanp = bp; endp = bp + 1; + ret = show_one_reflog_ent(&sb, fn, cb_data); + strbuf_reset(&sb); + if (ret) + break; + } else if (!pos) { + /* + * We are at the start of the buffer, and the + * start of the file; there is no previous + * line, and we have everything for this one. + * Process it, and we can end the loop. + */ + strbuf_splice(&sb, 0, 0, buf, endp - buf); + ret = show_one_reflog_ent(&sb, fn, cb_data); + strbuf_reset(&sb); + break; } - ret = show_one_reflog_ent(&sb, fn, cb_data); - strbuf_reset(&sb); - if (ret) + + if (bp == buf) { + /* + * We are at the start of the buffer, and there + * is more file to read backwards. Which means + * we are in the middle of a line. Note that we + * may get here even if *bp was a newline; that + * just means we are at the exact end of the + * previous line, rather than some spot in the + * middle. + * + * Save away what we have to be combined with + * the data from the next read. + */ + strbuf_splice(&sb, 0, 0, buf, endp - buf); break; + } } } |