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https://github.com/git/git
synced 2024-08-26 19:19:18 +00:00
strbuf: make stripspace() part of strbuf
This function is also used in other builtins than stripspace, so it makes sense to have it in a more generic place. Since it operates on an strbuf and the function is declared in strbuf.h, move it to strbuf.c and add the corresponding prefix to its name, just like other API functions in the strbuf_* family. Also switch all current users of stripspace() to the new function name and keep a temporary wrapper inline function for any topic branches still using stripspace(). Reviewed-by: Matthieu Moy <Matthieu.Moy@imag.fr> Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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22f698cb18
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63af4a8446
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@ -1343,7 +1343,7 @@ static int parse_mail(struct am_state *state, const char *mail)
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strbuf_addstr(&msg, "\n\n");
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if (strbuf_read_file(&msg, am_path(state, "msg"), 0) < 0)
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die_errno(_("could not read '%s'"), am_path(state, "msg"));
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stripspace(&msg, 0);
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strbuf_stripspace(&msg, 0);
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if (state->signoff)
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am_signoff(&msg);
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@ -786,7 +786,7 @@ static int edit_branch_description(const char *branch_name)
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strbuf_release(&buf);
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return -1;
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}
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stripspace(&buf, 1);
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strbuf_stripspace(&buf, 1);
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strbuf_addf(&name, "branch.%s.description", branch_name);
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status = git_config_set(name.buf, buf.len ? buf.buf : NULL);
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@ -775,7 +775,7 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
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s->hints = 0;
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if (clean_message_contents)
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stripspace(&sb, 0);
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strbuf_stripspace(&sb, 0);
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if (signoff)
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append_signoff(&sb, ignore_non_trailer(&sb), 0);
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@ -1014,7 +1014,7 @@ static int template_untouched(struct strbuf *sb)
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if (!template_file || strbuf_read_file(&tmpl, template_file, 0) <= 0)
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return 0;
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stripspace(&tmpl, cleanup_mode == CLEANUP_ALL);
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strbuf_stripspace(&tmpl, cleanup_mode == CLEANUP_ALL);
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if (!skip_prefix(sb->buf, tmpl.buf, &start))
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start = sb->buf;
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strbuf_release(&tmpl);
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@ -1726,7 +1726,7 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
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wt_status_truncate_message_at_cut_line(&sb);
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if (cleanup_mode != CLEANUP_NONE)
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stripspace(&sb, cleanup_mode == CLEANUP_ALL);
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strbuf_stripspace(&sb, cleanup_mode == CLEANUP_ALL);
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if (template_untouched(&sb) && !allow_empty_message) {
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rollback_index_files();
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fprintf(stderr, _("Aborting commit; you did not edit the message.\n"));
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@ -806,7 +806,7 @@ static void prepare_to_commit(struct commit_list *remoteheads)
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abort_commit(remoteheads, NULL);
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}
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read_merge_msg(&msg);
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stripspace(&msg, 0 < option_edit);
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strbuf_stripspace(&msg, 0 < option_edit);
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if (!msg.len)
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abort_commit(remoteheads, _("Empty commit message."));
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strbuf_release(&merge_msg);
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@ -192,7 +192,7 @@ static void prepare_note_data(const unsigned char *object, struct note_data *d,
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if (launch_editor(d->edit_path, &d->buf, NULL)) {
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die(_("Please supply the note contents using either -m or -F option"));
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}
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stripspace(&d->buf, 1);
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strbuf_stripspace(&d->buf, 1);
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}
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}
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@ -215,7 +215,7 @@ static int parse_msg_arg(const struct option *opt, const char *arg, int unset)
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if (d->buf.len)
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strbuf_addch(&d->buf, '\n');
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strbuf_addstr(&d->buf, arg);
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stripspace(&d->buf, 0);
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strbuf_stripspace(&d->buf, 0);
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d->given = 1;
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return 0;
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@ -232,7 +232,7 @@ static int parse_file_arg(const struct option *opt, const char *arg, int unset)
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die_errno(_("cannot read '%s'"), arg);
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} else if (strbuf_read_file(&d->buf, arg, 1024) < 0)
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die_errno(_("could not open or read '%s'"), arg);
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stripspace(&d->buf, 0);
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strbuf_stripspace(&d->buf, 0);
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d->given = 1;
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return 0;
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@ -1,71 +1,6 @@
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#include "builtin.h"
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#include "cache.h"
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/*
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* Returns the length of a line, without trailing spaces.
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*
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* If the line ends with newline, it will be removed too.
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*/
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static size_t cleanup(char *line, size_t len)
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{
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while (len) {
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unsigned char c = line[len - 1];
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if (!isspace(c))
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break;
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len--;
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}
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return len;
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}
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/*
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* Remove empty lines from the beginning and end
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* and also trailing spaces from every line.
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*
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* Turn multiple consecutive empty lines between paragraphs
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* into just one empty line.
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*
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* If the input has only empty lines and spaces,
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* no output will be produced.
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*
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* If last line does not have a newline at the end, one is added.
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*
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* Enable skip_comments to skip every line starting with comment
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* character.
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*/
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void stripspace(struct strbuf *sb, int skip_comments)
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{
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int empties = 0;
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size_t i, j, len, newlen;
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char *eol;
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/* We may have to add a newline. */
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strbuf_grow(sb, 1);
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for (i = j = 0; i < sb->len; i += len, j += newlen) {
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eol = memchr(sb->buf + i, '\n', sb->len - i);
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len = eol ? eol - (sb->buf + i) + 1 : sb->len - i;
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if (skip_comments && len && sb->buf[i] == comment_line_char) {
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newlen = 0;
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continue;
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}
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newlen = cleanup(sb->buf + i, len);
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/* Not just an empty line? */
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if (newlen) {
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if (empties > 0 && j > 0)
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sb->buf[j++] = '\n';
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empties = 0;
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memmove(sb->buf + j, sb->buf + i, newlen);
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sb->buf[newlen + j++] = '\n';
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} else {
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empties++;
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}
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}
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strbuf_setlen(sb, j);
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}
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#include "strbuf.h"
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static void comment_lines(struct strbuf *buf)
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{
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@ -111,7 +46,7 @@ int cmd_stripspace(int argc, const char **argv, const char *prefix)
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die_errno("could not read the input");
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if (mode == STRIP_SPACE)
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stripspace(&buf, strip_comments);
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strbuf_stripspace(&buf, strip_comments);
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else
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comment_lines(&buf);
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@ -498,7 +498,7 @@ static void create_tag(const unsigned char *object, const char *tag,
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}
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if (opt->cleanup_mode != CLEANUP_NONE)
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stripspace(buf, opt->cleanup_mode == CLEANUP_ALL);
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strbuf_stripspace(buf, opt->cleanup_mode == CLEANUP_ALL);
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if (!opt->message_given && !buf->len)
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die(_("no tag message?"));
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66
strbuf.c
66
strbuf.c
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@ -743,3 +743,69 @@ void strbuf_addftime(struct strbuf *sb, const char *fmt, const struct tm *tm)
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}
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strbuf_setlen(sb, sb->len + len);
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}
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/*
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* Returns the length of a line, without trailing spaces.
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*
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* If the line ends with newline, it will be removed too.
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*/
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static size_t cleanup(char *line, size_t len)
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{
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while (len) {
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unsigned char c = line[len - 1];
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if (!isspace(c))
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break;
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len--;
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}
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return len;
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}
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/*
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* Remove empty lines from the beginning and end
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* and also trailing spaces from every line.
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*
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* Turn multiple consecutive empty lines between paragraphs
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* into just one empty line.
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*
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* If the input has only empty lines and spaces,
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* no output will be produced.
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*
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* If last line does not have a newline at the end, one is added.
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*
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* Enable skip_comments to skip every line starting with comment
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* character.
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*/
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void strbuf_stripspace(struct strbuf *sb, int skip_comments)
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{
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int empties = 0;
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size_t i, j, len, newlen;
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char *eol;
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/* We may have to add a newline. */
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strbuf_grow(sb, 1);
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for (i = j = 0; i < sb->len; i += len, j += newlen) {
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eol = memchr(sb->buf + i, '\n', sb->len - i);
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len = eol ? eol - (sb->buf + i) + 1 : sb->len - i;
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if (skip_comments && len && sb->buf[i] == comment_line_char) {
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newlen = 0;
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continue;
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}
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newlen = cleanup(sb->buf + i, len);
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/* Not just an empty line? */
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if (newlen) {
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if (empties > 0 && j > 0)
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sb->buf[j++] = '\n';
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empties = 0;
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memmove(sb->buf + j, sb->buf + i, newlen);
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sb->buf[newlen + j++] = '\n';
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} else {
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empties++;
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}
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}
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strbuf_setlen(sb, j);
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}
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11
strbuf.h
11
strbuf.h
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* Strip whitespace from a buffer. The second parameter controls if
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* comments are considered contents to be removed or not.
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*/
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extern void stripspace(struct strbuf *buf, int skip_comments);
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extern void strbuf_stripspace(struct strbuf *buf, int skip_comments);
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/**
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* Temporary alias until all topic branches have switched to use
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* strbuf_stripspace directly.
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*/
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static inline void stripspace(struct strbuf *buf, int skip_comments)
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{
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strbuf_stripspace(buf, skip_comments);
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}
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static inline int strbuf_strip_suffix(struct strbuf *sb, const char *suffix)
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{
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