On Mon, Oct 19, 2015 at 12:28 AM, Junio C Hamano <gitster@xxxxxxxxx> wrote:
> Signed-off-by: Junio C Hamano <gitster@xxxxxxxxx>
> ---
> builtin/mailinfo.c | 45 ++++++++++++++++++++++++++-------------------
> 1 file changed, 26 insertions(+), 19 deletions(-)
>
> diff --git a/builtin/mailinfo.c b/builtin/mailinfo.c
> index 2c194da..ec65805 100644
> --- a/builtin/mailinfo.c
> +++ b/builtin/mailinfo.c
> @@ -7,6 +7,8 @@
> #include "utf8.h"
> #include "strbuf.h"
>
> +#define MAX_BOUNDARIES 5
> +
> struct mailinfo {
> FILE *input;
> FILE *output;
> @@ -22,6 +24,8 @@ struct mailinfo {
> int use_inbody_headers; /* defaults to 1 */
> const char *metainfo_charset;
>
> + struct strbuf *content[MAX_BOUNDARIES];
> + struct strbuf **content_top;
> struct strbuf charset;
> char *message_id;
> enum {
> @@ -35,7 +39,6 @@ struct mailinfo {
> };
>
> #define MAX_HDR_PARSED 10
> -#define MAX_BOUNDARIES 5
Would it make sense to also move MAX_HDR_PARSED, such that we have all
defines in one place? The previous patch moved HDR related stuff around, so
either there or here?
>
> static void cleanup_space(struct strbuf *sb);
>
> @@ -180,10 +183,6 @@ static int slurp_attr(const char *line, const char *name, struct strbuf *attr)
> return 1;
> }
>
> -static struct strbuf *content[MAX_BOUNDARIES];
> -
> -static struct strbuf **content_top = content;
> -
> static void handle_content_type(struct mailinfo *mi, struct strbuf *line)
> {
> struct strbuf *boundary = xmalloc(sizeof(struct strbuf));
> @@ -191,11 +190,11 @@ static void handle_content_type(struct mailinfo *mi, struct strbuf *line)
>
> if (slurp_attr(line->buf, "boundary=", boundary)) {
> strbuf_insert(boundary, 0, "--", 2);
> - if (++content_top >= &content[MAX_BOUNDARIES]) {
> + if (++mi->content_top >= &mi->content[MAX_BOUNDARIES]) {
> fprintf(stderr, "Too many boundaries to handle\n");
> exit(1);
> }
> - *content_top = boundary;
> + *(mi->content_top) = boundary;
> boundary = NULL;
> }
> slurp_attr(line->buf, "charset=", &mi->charset);
> @@ -223,10 +222,12 @@ static void handle_content_transfer_encoding(struct mailinfo *mi,
> mi->transfer_encoding = TE_DONTCARE;
> }
>
> -static int is_multipart_boundary(const struct strbuf *line)
> +static int is_multipart_boundary(struct mailinfo *mi, const struct strbuf *line)
> {
> - return (((*content_top)->len <= line->len) &&
> - !memcmp(line->buf, (*content_top)->buf, (*content_top)->len));
> + struct strbuf *content_top = *(mi->content_top);
> +
> + return ((content_top->len <= line->len) &&
> + !memcmp(line->buf, content_top->buf, content_top->len));
> }
>
> static void cleanup_subject(struct mailinfo *mi, struct strbuf *subject)
> @@ -799,7 +800,7 @@ static void handle_filter(struct mailinfo *mi, struct strbuf *line)
> static int find_boundary(struct mailinfo *mi, struct strbuf *line)
> {
> while (!strbuf_getline(line, mi->input, '\n')) {
> - if (*content_top && is_multipart_boundary(line))
> + if (*(mi->content_top) && is_multipart_boundary(mi, line))
> return 1;
> }
> return 0;
> @@ -811,18 +812,18 @@ static int handle_boundary(struct mailinfo *mi, struct strbuf *line)
>
> strbuf_addch(&newline, '\n');
> again:
> - if (line->len >= (*content_top)->len + 2 &&
> - !memcmp(line->buf + (*content_top)->len, "--", 2)) {
> + if (line->len >= (*(mi->content_top))->len + 2 &&
> + !memcmp(line->buf + (*(mi->content_top))->len, "--", 2)) {
> /* we hit an end boundary */
> /* pop the current boundary off the stack */
> - strbuf_release(*content_top);
> - free(*content_top);
> - *content_top = NULL;
> + strbuf_release(*(mi->content_top));
> + free(*(mi->content_top));
> + *(mi->content_top) = NULL;
>
> /* technically won't happen as is_multipart_boundary()
> will fail first. But just in case..
> */
> - if (--content_top < content) {
> + if (--mi->content_top < mi->content) {
> fprintf(stderr, "Detected mismatched boundaries, "
> "can't recover\n");
> exit(1);
> @@ -857,14 +858,14 @@ static void handle_body(struct mailinfo *mi, struct strbuf *line)
> struct strbuf prev = STRBUF_INIT;
>
> /* Skip up to the first boundary */
> - if (*content_top) {
> + if (*(mi->content_top)) {
> if (!find_boundary(mi, line))
> goto handle_body_out;
> }
>
> do {
> /* process any boundary lines */
> - if (*content_top && is_multipart_boundary(line)) {
> + if (*(mi->content_top) && is_multipart_boundary(mi, line)) {
> /* flush any leftover */
> if (prev.len) {
> handle_filter(mi, &prev);
> @@ -1028,6 +1029,7 @@ static void setup_mailinfo(struct mailinfo *mi)
> strbuf_init(&mi->charset, 0);
> mi->header_stage = 1;
> mi->use_inbody_headers = 1;
> + mi->content_top = mi->content;
> git_config(git_mailinfo_config, &mi);
> }
>
> @@ -1046,6 +1048,11 @@ static void clear_mailinfo(struct mailinfo *mi)
> for (i = 0; mi->s_hdr_data[i]; i++)
> strbuf_release(mi->s_hdr_data[i]);
> free(mi->s_hdr_data);
> +
> + while (mi->content < mi->content_top) {
> + free(*(mi->content_top));
> + mi->content_top--;
> + }
> }
>
> static const char mailinfo_usage[] =
> --
> 2.6.2-383-g144b2e6
>
> --
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