Use off_t in pack-objects/fast-import when we mean an offset

Always use an off_t value in pack-objects anytime we are dealing
with an offset to some data within a packfile.

Also fixed a minor uintmax_t that was incorrectly defined before.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/builtin-pack-objects.c b/builtin-pack-objects.c
index 8d5c3f14ac47947a299378c3555c9a13cb8f7246..f8ebad0b2f2006d619dc06814acb6024ee674eec 100644 (file)
--- a/builtin-pack-objects.c
+++ b/builtin-pack-objects.c
@@ -23,7 +23,7 @@ git-pack-objects [{ -q | --progress | --all-progress }] \n\
 struct object_entry {
        unsigned char sha1[20];
        unsigned long size;     /* uncompressed size */
-       unsigned long offset;   /* offset into the final pack file;
+       off_t offset;   /* offset into the final pack file;
                                 * nonzero if already written.
                                 */
        unsigned int depth;     /* delta depth */
@@ -35,7 +35,7 @@ struct object_entry {
 #define in_pack_header_size delta_size /* only when reusing pack data */
        struct object_entry *delta;     /* delta base object */
        struct packed_git *in_pack;     /* already in pack */
-       unsigned int in_pack_offset;
+       off_t in_pack_offset;
        struct object_entry *delta_child; /* deltified objects who bases me */
        struct object_entry *delta_sibling; /* other deltified objects who
                                             * uses the same base as me
@@ -101,7 +101,7 @@ static int object_ix_hashsz;
  * get the object sha1 from the main index.
  */
 struct revindex_entry {
-       unsigned int offset;
+       off_t offset;
        unsigned int nr;
 };
 struct pack_revindex {
@@ -183,7 +183,7 @@ static void prepare_pack_revindex(struct pack_revindex *rix)
 }
 
 static struct revindex_entry * find_packed_object(struct packed_git *p,
-                                                 unsigned int ofs)
+                                                 off_t ofs)
 {
        int num;
        int lo, hi;
@@ -211,15 +211,14 @@ static struct revindex_entry * find_packed_object(struct packed_git *p,
        die("internal error: pack revindex corrupt");
 }
 
-static unsigned long find_packed_object_size(struct packed_git *p,
-                                            unsigned long ofs)
+static off_t find_packed_object_size(struct packed_git *p, off_t ofs)
 {
        struct revindex_entry *entry = find_packed_object(p, ofs);
        return entry[1].offset - ofs;
 }
 
 static unsigned char *find_packed_object_name(struct packed_git *p,
-                                             unsigned long ofs)
+                                             off_t ofs)
 {
        struct revindex_entry *entry = find_packed_object(p, ofs);
        return (unsigned char *)(p->index_base + 256) + 24 * entry->nr + 4;
@@ -276,8 +275,8 @@ static int encode_header(enum object_type type, unsigned long size, unsigned cha
  */
 static int check_pack_inflate(struct packed_git *p,
                struct pack_window **w_curs,
-               unsigned long offset,
-               unsigned long len,
+               off_t offset,
+               off_t len,
                unsigned long expect)
 {
        z_stream stream;
@@ -303,8 +302,8 @@ static int check_pack_inflate(struct packed_git *p,
 static void copy_pack_data(struct sha1file *f,
                struct packed_git *p,
                struct pack_window **w_curs,
-               unsigned long offset,
-               unsigned long len)
+               off_t offset,
+               off_t len)
 {
        unsigned char *in;
        unsigned int avail;
@@ -312,7 +311,7 @@ static void copy_pack_data(struct sha1file *f,
        while (len) {
                in = use_pack(p, w_curs, offset, &avail);
                if (avail > len)
-                       avail = len;
+                       avail = (unsigned int)len;
                sha1write(f, in, avail);
                offset += avail;
                len -= avail;
@@ -369,14 +368,15 @@ static int revalidate_loose_object(struct object_entry *entry,
        return check_loose_inflate(map, mapsize, size);
 }
 
-static unsigned long write_object(struct sha1file *f,
+static off_t write_object(struct sha1file *f,
                                  struct object_entry *entry)
 {
        unsigned long size;
        enum object_type type;
        void *buf;
        unsigned char header[10];
-       unsigned hdrlen, datalen;
+       unsigned hdrlen;
+       off_t datalen;
        enum object_type obj_type;
        int to_reuse = 0;
 
@@ -439,7 +439,7 @@ static unsigned long write_object(struct sha1file *f,
                         * encoding of the relative offset for the delta
                         * base from this object's position in the pack.
                         */
-                       unsigned long ofs = entry->offset - entry->delta->offset;
+                       off_t ofs = entry->offset - entry->delta->offset;
                        unsigned pos = sizeof(header) - 1;
                        header[pos] = ofs & 127;
                        while (ofs >>= 7)
@@ -460,7 +460,7 @@ static unsigned long write_object(struct sha1file *f,
        else {
                struct packed_git *p = entry->in_pack;
                struct pack_window *w_curs = NULL;
-               unsigned long offset;
+               off_t offset;
 
                if (entry->delta) {
                        obj_type = (allow_ofs_delta && entry->delta->offset) ?
@@ -470,7 +470,7 @@ static unsigned long write_object(struct sha1file *f,
                hdrlen = encode_header(obj_type, entry->size, header);
                sha1write(f, header, hdrlen);
                if (obj_type == OBJ_OFS_DELTA) {
-                       unsigned long ofs = entry->offset - entry->delta->offset;
+                       off_t ofs = entry->offset - entry->delta->offset;
                        unsigned pos = sizeof(header) - 1;
                        header[pos] = ofs & 127;
                        while (ofs >>= 7)
@@ -498,9 +498,9 @@ static unsigned long write_object(struct sha1file *f,
        return hdrlen + datalen;
 }
 
-static unsigned long write_one(struct sha1file *f,
+static off_t write_one(struct sha1file *f,
                               struct object_entry *e,
-                              unsigned long offset)
+                              off_t offset)
 {
        if (e->offset || e->preferred_base)
                /* offset starts from header size and cannot be zero
@@ -518,7 +518,7 @@ static void write_pack_file(void)
 {
        uint32_t i;
        struct sha1file *f;
-       unsigned long offset;
+       off_t offset;
        struct pack_header hdr;
        unsigned last_percent = 999;
        int do_progress = progress;
@@ -671,13 +671,13 @@ static int add_object_entry(const unsigned char *sha1, unsigned hash, int exclud
        uint32_t idx = nr_objects;
        struct object_entry *entry;
        struct packed_git *p;
-       unsigned int found_offset = 0;
+       off_t found_offset = 0;
        struct packed_git *found_pack = NULL;
        int ix, status = 0;
 
        if (!exclude) {
                for (p = packed_git; p; p = p->next) {
-                       unsigned long offset = find_pack_entry_one(sha1, p);
+                       off_t offset = find_pack_entry_one(sha1, p);
                        if (offset) {
                                if (incremental)
                                        return 0;
@@ -978,17 +978,17 @@ static void check_object(struct object_entry *entry)
        if (entry->in_pack && !entry->preferred_base) {
                struct packed_git *p = entry->in_pack;
                struct pack_window *w_curs = NULL;
-               unsigned long left = p->pack_size - entry->in_pack_offset;
                unsigned long size, used;
+               unsigned int avail;
                unsigned char *buf;
                struct object_entry *base_entry = NULL;
 
-               buf = use_pack(p, &w_curs, entry->in_pack_offset, NULL);
+               buf = use_pack(p, &w_curs, entry->in_pack_offset, &avail);
 
                /* We want in_pack_type even if we do not reuse delta.
                 * There is no point not reusing non-delta representations.
                 */
-               used = unpack_object_header_gently(buf, left,
+               used = unpack_object_header_gently(buf, avail,
                                                   &entry->in_pack_type, &size);
 
                /* Check if it is delta, and the base is also an object
@@ -997,7 +997,7 @@ static void check_object(struct object_entry *entry)
                 */
                if (!no_reuse_delta) {
                        unsigned char c, *base_name;
-                       unsigned long ofs;
+                       off_t ofs;
                        unsigned long used_0;
                        /* there is at least 20 bytes left in the pack */
                        switch (entry->in_pack_type) {

diff --git a/fast-import.c b/fast-import.c
index a418a174d08b2da1a3994ec8a6f2c8e46e2cd829..fda50188eaf96d6450e802f54945f86a0776cf6f 100644 (file)
--- a/fast-import.c
+++ b/fast-import.c
@@ -249,7 +249,7 @@ typedef enum {
 
 /* Configured limits on output */
 static unsigned long max_depth = 10;
-static unsigned long max_packsize = (1LL << 32) - 1;
+static off_t max_packsize = (1LL << 32) - 1;
 static int force_update;
 
 /* Stats and misc. counters */
@@ -1527,7 +1527,7 @@ static void unload_one_branch(void)
 {
        while (cur_active_branches
                && cur_active_branches >= max_active_branches) {
-               unsigned long min_commit = ULONG_MAX;
+               uintmax_t min_commit = ULONG_MAX;
                struct branch *e, *l = NULL, *p = NULL;
 
                for (e = active_branches; e; e = e->active_next_branch) {