Improving the patch for mairix for mbox>2GB.

https://github.com/rc0/mairix/pull/19
This commit is contained in:
Lluís Batlle i Rossell 2016-01-15 15:59:41 +01:00
parent df2b9b48cb
commit 4eb1e346c6
2 changed files with 86 additions and 34 deletions

View File

@ -10,9 +10,10 @@ stdenv.mkDerivation rec {
buildInputs = [ zlib bzip2 bison flex ];
# https://github.com/rc0/mairix/issues/12
# https://github.com/rc0/mairix/pull/19
patches = [ ./mmap.patch ];
patchFlags = "-p2";
enableParallelBuilding = true;
meta = {
homepage = http://www.rc0.org.uk/mairix;

View File

@ -1,25 +1,29 @@
Fix "Cannot allocate memory" on mmap of files bigger than 2GiB.
Making mairix work with mbox files over 2GB.
https://github.com/rc0/mairix/issues/12
https://github.com/rc0/mairix/pull/19
diff -ruN t/mairix-0.22/mairix.h mairix/mairix-0.22/mairix.h
--- t/mairix-0.22/mairix.h 2010-06-05 14:41:10.000000000 -0700
+++ mairix/mairix-0.22/mairix.h 2015-07-08 13:33:06.678718524 -0700
@@ -327,8 +327,8 @@
diff --git a/mairix.h b/mairix.h
index 2480492..cb25824 100644
--- a/mairix.h
+++ b/mairix.h
@@ -327,9 +327,9 @@ enum data_to_rfc822_error {
DTR8_BAD_HEADERS, /* corrupt headers */
DTR8_BAD_ATTACHMENT /* corrupt attachment (e.g. no body part) */
};
struct rfc822 *data_to_rfc822(struct msg_src *src, char *data, int length, enum data_to_rfc822_error *error);
-struct rfc822 *data_to_rfc822(struct msg_src *src, char *data, int length, enum data_to_rfc822_error *error);
-void create_ro_mapping(const char *filename, unsigned char **data, int *len);
-void free_ro_mapping(unsigned char *data, int len);
+struct rfc822 *data_to_rfc822(struct msg_src *src, char *data, size_t length, enum data_to_rfc822_error *error);
+void create_ro_mapping(const char *filename, unsigned char **data, size_t *len);
+void free_ro_mapping(unsigned char *data, size_t len);
char *format_msg_src(struct msg_src *src);
/* In tok.c */
diff -ruN t/mairix-0.22/mbox.c mairix/mairix-0.22/mbox.c
--- t/mairix-0.22/mbox.c 2010-06-05 14:41:10.000000000 -0700
+++ mairix/mairix-0.22/mbox.c 2015-07-08 13:32:45.126280861 -0700
@@ -816,7 +816,7 @@
diff --git a/mbox.c b/mbox.c
index ebbfa78..396e27d 100644
--- a/mbox.c
+++ b/mbox.c
@@ -816,7 +816,7 @@ void build_mbox_lists(struct database *db, const char *folder_base, /*{{{*/
mb->n_old_msgs_valid = mb->n_msgs;
} else {
unsigned char *va;
@ -28,7 +32,7 @@ diff -ruN t/mairix-0.22/mbox.c mairix/mairix-0.22/mbox.c
create_ro_mapping(mb->path, &va, &len);
if (va) {
rescan_mbox(mb, (char *) va, len);
@@ -852,7 +852,7 @@
@@ -852,7 +852,7 @@ int add_mbox_messages(struct database *db)/*{{{*/
int any_new = 0;
int N;
unsigned char *va;
@ -37,10 +41,47 @@ diff -ruN t/mairix-0.22/mbox.c mairix/mairix-0.22/mbox.c
enum data_to_rfc822_error error;
for (i=0; i<db->n_mboxen; i++) {
diff -ruN t/mairix-0.22/rfc822.c mairix/mairix-0.22/rfc822.c
--- t/mairix-0.22/rfc822.c 2010-06-05 14:41:10.000000000 -0700
+++ mairix/mairix-0.22/rfc822.c 2015-07-08 13:30:59.388133879 -0700
@@ -1250,7 +1250,7 @@
diff --git a/reader.c b/reader.c
index 71ac5bd..18f0108 100644
--- a/reader.c
+++ b/reader.c
@@ -81,7 +81,8 @@ static void read_toktable2_db(char *data, struct toktable2_db *toktable, int sta
/*}}}*/
struct read_db *open_db(char *filename)/*{{{*/
{
- int fd, len;
+ int fd;
+ size_t len;
char *data;
struct stat sb;
struct read_db *result;
diff --git a/reader.h b/reader.h
index 9b5dfa3..d709cc4 100644
--- a/reader.h
+++ b/reader.h
@@ -138,7 +138,7 @@ struct toktable2_db {/*{{{*/
struct read_db {/*{{{*/
/* Raw file parameters, needed later for munmap */
char *data;
- int len;
+ size_t len;
/* Pathname information */
int n_msgs;
diff --git a/rfc822.c b/rfc822.c
index b411f85..9c8e1a4 100644
--- a/rfc822.c
+++ b/rfc822.c
@@ -990,7 +990,7 @@ static void scan_status_flags(const char *s, struct headers *hdrs)/*{{{*/
/*{{{ data_to_rfc822() */
struct rfc822 *data_to_rfc822(struct msg_src *src,
- char *data, int length,
+ char *data, size_t length,
enum data_to_rfc822_error *error)
{
struct rfc822 *result;
@@ -1265,7 +1265,7 @@ static struct ro_mapping *add_ro_cache(const char *filename, int fd, size_t len)
}
#endif /* USE_GZIP_MBOX || USE_BZIP_MBOX */
@ -49,7 +90,7 @@ diff -ruN t/mairix-0.22/rfc822.c mairix/mairix-0.22/rfc822.c
{
struct stat sb;
int fd;
@@ -1371,7 +1371,7 @@
@@ -1386,7 +1386,7 @@ comp_error:
data_alloc_type = ALLOC_MMAP;
}
/*}}}*/
@ -58,7 +99,7 @@ diff -ruN t/mairix-0.22/rfc822.c mairix/mairix-0.22/rfc822.c
{
int r;
@@ -1399,7 +1399,7 @@
@@ -1414,7 +1414,7 @@ static struct msg_src *setup_msg_src(char *filename)/*{{{*/
/*}}}*/
struct rfc822 *make_rfc822(char *filename)/*{{{*/
{
@ -67,10 +108,11 @@ diff -ruN t/mairix-0.22/rfc822.c mairix/mairix-0.22/rfc822.c
unsigned char *data;
struct rfc822 *result;
diff -ruN t/mairix-0.22/search.c mairix/mairix-0.22/search.c
--- t/mairix-0.22/search.c 2010-06-05 14:41:10.000000000 -0700
+++ mairix/mairix-0.22/search.c 2015-07-08 13:32:25.809888610 -0700
@@ -667,7 +667,7 @@
diff --git a/search.c b/search.c
index 18b51ee..97967bc 100644
--- a/search.c
+++ b/search.c
@@ -681,7 +681,7 @@ static void mbox_terminate(const unsigned char *data, int len, FILE *out)/*{{{*/
static void append_file_to_mbox(const char *path, FILE *out)/*{{{*/
{
unsigned char *data;
@ -79,7 +121,7 @@ diff -ruN t/mairix-0.22/search.c mairix/mairix-0.22/search.c
create_ro_mapping(path, &data, &len);
if (data) {
fprintf(out, "From mairix@mairix Mon Jan 1 12:34:56 1970\n");
@@ -683,8 +683,8 @@
@@ -698,8 +698,8 @@ static int had_failed_checksum;
static void get_validated_mbox_msg(struct read_db *db, int msg_index,/*{{{*/
int *mbox_index,
@ -90,7 +132,7 @@ diff -ruN t/mairix-0.22/search.c mairix/mairix-0.22/search.c
{
/* msg_data==NULL if checksum mismatches */
unsigned char *start;
@@ -715,7 +715,7 @@
@@ -738,7 +738,7 @@ static void append_mboxmsg_to_mbox(struct read_db *db, int msg_index, FILE *out)
{
/* Need to common up code with try_copy_to_path */
unsigned char *mbox_start, *msg_start;
@ -99,7 +141,7 @@ diff -ruN t/mairix-0.22/search.c mairix/mairix-0.22/search.c
int mbox_index;
get_validated_mbox_msg(db, msg_index, &mbox_index, &mbox_start, &mbox_len, &msg_start, &msg_len);
@@ -735,7 +735,7 @@
@@ -759,7 +759,7 @@ static void append_mboxmsg_to_mbox(struct read_db *db, int msg_index, FILE *out)
static void try_copy_to_path(struct read_db *db, int msg_index, char *target_path)/*{{{*/
{
unsigned char *data;
@ -108,3 +150,12 @@ diff -ruN t/mairix-0.22/search.c mairix/mairix-0.22/search.c
int mbi;
FILE *out;
unsigned char *start;
@@ -1214,7 +1214,7 @@ static int do_search(struct read_db *db, char **args, char *output_path, int sho
unsigned int mbix, msgix;
int start, len, after_end;
unsigned char *mbox_start, *msg_start;
- int mbox_len, msg_len;
+ size_t mbox_len, msg_len;
int mbox_index;
start = db->mtime_table[i];