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mailinfo: move read_one_header_line() closer to its callers

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Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Junio C Hamano 2015-10-14 17:44:07 -07:00
parent 39afcd3819
commit 9cc243f7a9
1 changed files with 68 additions and 68 deletions
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136
builtin/mailinfo.c
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@ -379,74 +379,6 @@ static int check_header(const struct strbuf *line,
return ret;
}
static int is_rfc2822_header(const struct strbuf *line)
{
/*
* The section that defines the loosest possible
* field name is "3.6.8 Optional fields".
*
* optional-field = field-name ":" unstructured CRLF
* field-name = 1*ftext
* ftext = %d33-57 / %59-126
*/
int ch;
char *cp = line->buf;
/* Count mbox From headers as headers */
if (starts_with(cp, "From ") || starts_with(cp, ">From "))
return 1;
while ((ch = *cp++)) {
if (ch == ':')
return 1;
if ((33 <= ch && ch <= 57) ||
(59 <= ch && ch <= 126))
continue;
break;
}
return 0;
}
static int read_one_header_line(struct strbuf *line, FILE *in)
{
struct strbuf continuation = STRBUF_INIT;
/* Get the first part of the line. */
if (strbuf_getline(line, in, '\n'))
return 0;
/*
* Is it an empty line or not a valid rfc2822 header?
* If so, stop here, and return false ("not a header")
*/
strbuf_rtrim(line);
if (!line->len || !is_rfc2822_header(line)) {
/* Re-add the newline */
strbuf_addch(line, '\n');
return 0;
}
/*
* Now we need to eat all the continuation lines..
* Yuck, 2822 header "folding"
*/
for (;;) {
int peek;
peek = fgetc(in); ungetc(peek, in);
if (peek != ' ' && peek != '\t')
break;
if (strbuf_getline(&continuation, in, '\n'))
break;
continuation.buf[0] = ' ';
strbuf_rtrim(&continuation);
strbuf_addbuf(line, &continuation);
}
strbuf_release(&continuation);
return 1;
}
static struct strbuf *decode_q_segment(const struct strbuf *q_seg, int rfc2047)
{
const char *in = q_seg->buf;
@ -795,6 +727,74 @@ static void handle_filter(struct strbuf *line)
}
}
static int is_rfc2822_header(const struct strbuf *line)
{
/*
* The section that defines the loosest possible
* field name is "3.6.8 Optional fields".
*
* optional-field = field-name ":" unstructured CRLF
* field-name = 1*ftext
* ftext = %d33-57 / %59-126
*/
int ch;
char *cp = line->buf;
/* Count mbox From headers as headers */
if (starts_with(cp, "From ") || starts_with(cp, ">From "))
return 1;
while ((ch = *cp++)) {
if (ch == ':')
return 1;
if ((33 <= ch && ch <= 57) ||
(59 <= ch && ch <= 126))
continue;
break;
}
return 0;
}
static int read_one_header_line(struct strbuf *line, FILE *in)
{
struct strbuf continuation = STRBUF_INIT;
/* Get the first part of the line. */
if (strbuf_getline(line, in, '\n'))
return 0;
/*
* Is it an empty line or not a valid rfc2822 header?
* If so, stop here, and return false ("not a header")
*/
strbuf_rtrim(line);
if (!line->len || !is_rfc2822_header(line)) {
/* Re-add the newline */
strbuf_addch(line, '\n');
return 0;
}
/*
* Now we need to eat all the continuation lines..
* Yuck, 2822 header "folding"
*/
for (;;) {
int peek;
peek = fgetc(in); ungetc(peek, in);
if (peek != ' ' && peek != '\t')
break;
if (strbuf_getline(&continuation, in, '\n'))
break;
continuation.buf[0] = ' ';
strbuf_rtrim(&continuation);
strbuf_addbuf(line, &continuation);
}
strbuf_release(&continuation);
return 1;
}
static int find_boundary(void)
{
while (!strbuf_getline(&line, fin, '\n')) {