glossary: Add definitions for dangling and unreachable objects

[git.git] / sha1_file.c

diff --git a/sha1_file.c b/sha1_file.c
index 8ad7fad825708b5a56a3bfd4b8b98708de0bb2dc..2c870314d525ba0666470d53cf7901a2bac9e3c0 100644 (file)
--- a/sha1_file.c
+++ b/sha1_file.c
@@ -407,7 +407,6 @@ static unsigned int peak_pack_open_windows;
 static unsigned int pack_open_windows;
 static size_t peak_pack_mapped;
 static size_t pack_mapped;
-static size_t page_size;
 struct packed_git *packed_git;
 
 void pack_report()
@@ -416,7 +415,7 @@ void pack_report()
                "pack_report: getpagesize()            = %10" SZ_FMT "\n"
                "pack_report: core.packedGitWindowSize = %10" SZ_FMT "\n"
                "pack_report: core.packedGitLimit      = %10" SZ_FMT "\n",
-               page_size,
+               (size_t) getpagesize(),
                packed_git_window_size,
                packed_git_limit);
        fprintf(stderr,
@@ -662,10 +661,9 @@ unsigned char* use_pack(struct packed_git *p,
                                break;
                }
                if (!win) {
-                       if (!page_size)
-                               page_size = getpagesize();
+                       size_t window_align = packed_git_window_size / 2;
                        win = xcalloc(1, sizeof(*win));
-                       win->offset = (offset / page_size) * page_size;
+                       win->offset = (offset / window_align) * window_align;
                        win->len = p->pack_size - win->offset;
                        if (win->len > packed_git_window_size)
                                win->len = packed_git_window_size;
@@ -1547,11 +1545,13 @@ int pretend_sha1_file(void *buf, unsigned long len, const char *type, unsigned c
        co = &cached_objects[cached_object_nr++];
        co->size = len;
        co->type = strdup(type);
+       co->buf = xmalloc(len);
+       memcpy(co->buf, buf, len);
        hashcpy(co->sha1, sha1);
        return 0;
 }
 
-void * read_sha1_file(const unsigned char *sha1, char *type, unsigned long *size)
+void *read_sha1_file(const unsigned char *sha1, char *type, unsigned long *size)
 {
        unsigned long mapsize;
        void *map, *buf;