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-rw-r--r--pretty.c42
1 files changed, 27 insertions, 15 deletions
diff --git a/pretty.c b/pretty.c
index 8549934751..e1d8a8f414 100644
--- a/pretty.c
+++ b/pretty.c
@@ -216,36 +216,53 @@ static int is_rfc2047_special(char ch)
static void add_rfc2047(struct strbuf *sb, const char *line, int len,
const char *encoding)
{
- int i, last;
+ static const int max_length = 78; /* per rfc2822 */
+ int i;
+ int line_len;
+
+ /* How many bytes are already used on the current line? */
+ for (i = sb->len - 1; i >= 0; i--)
+ if (sb->buf[i] == '\n')
+ break;
+ line_len = sb->len - (i+1);
for (i = 0; i < len; i++) {
int ch = line[i];
- if (non_ascii(ch))
+ if (non_ascii(ch) || ch == '\n')
goto needquote;
if ((i + 1 < len) && (ch == '=' && line[i+1] == '?'))
goto needquote;
}
- strbuf_add(sb, line, len);
+ strbuf_add_wrapped_bytes(sb, line, len, 0, 1, max_length - line_len);
return;
needquote:
strbuf_grow(sb, len * 3 + strlen(encoding) + 100);
strbuf_addf(sb, "=?%s?q?", encoding);
- for (i = last = 0; i < len; i++) {
+ line_len += strlen(encoding) + 5; /* 5 for =??q? */
+ for (i = 0; i < len; i++) {
unsigned ch = line[i] & 0xFF;
+
+ if (line_len >= max_length - 2) {
+ strbuf_addf(sb, "?=\n =?%s?q?", encoding);
+ line_len = strlen(encoding) + 5 + 1; /* =??q? plus SP */
+ }
+
/*
* We encode ' ' using '=20' even though rfc2047
* allows using '_' for readability. Unfortunately,
* many programs do not understand this and just
* leave the underscore in place.
*/
- if (is_rfc2047_special(ch) || ch == ' ') {
- strbuf_add(sb, line + last, i - last);
+ if (is_rfc2047_special(ch) || ch == ' ' || ch == '\n') {
strbuf_addf(sb, "=%02X", ch);
- last = i + 1;
+ line_len += 3;
+ }
+ else {
+ strbuf_addch(sb, ch);
+ line_len++;
}
}
- strbuf_add(sb, line + last, len - last);
strbuf_addstr(sb, "?=");
}
@@ -859,11 +876,7 @@ static size_t format_commit_one(struct strbuf *sb, const char *placeholder,
c->abbrev_parent_hashes.off;
return 1;
case 'm': /* left/right/bottom */
- strbuf_addch(sb, (commit->object.flags & BOUNDARY)
- ? '-'
- : (commit->object.flags & SYMMETRIC_LEFT)
- ? '<'
- : '>');
+ strbuf_addstr(sb, get_revision_mark(NULL, commit));
return 1;
case 'd':
format_decoration(sb, commit);
@@ -1106,11 +1119,10 @@ void pp_title_line(enum cmit_fmt fmt,
const char *encoding,
int need_8bit_cte)
{
- const char *line_separator = (fmt == CMIT_FMT_EMAIL) ? "\n " : " ";
struct strbuf title;
strbuf_init(&title, 80);
- *msg_p = format_subject(&title, *msg_p, line_separator);
+ *msg_p = format_subject(&title, *msg_p, " ");
strbuf_grow(sb, title.len + 1024);
if (subject) {