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Diffstat (limited to 'src/unix/map.c')
-rw-r--r--src/unix/map.c19
1 files changed, 16 insertions, 3 deletions
diff --git a/src/unix/map.c b/src/unix/map.c
index 65f4ac91c..8e853b9be 100644
--- a/src/unix/map.c
+++ b/src/unix/map.c
@@ -16,7 +16,6 @@
int p_mmap(git_map *out, size_t len, int prot, int flags, int fd, git_off_t offset)
{
-#ifndef __amigaos4__
int mprot = 0;
int mflag = 0;
@@ -25,6 +24,7 @@ int p_mmap(git_map *out, size_t len, int prot, int flags, int fd, git_off_t offs
out->data = NULL;
out->len = 0;
+#ifndef __amigaos4__
if (prot & GIT_PROT_WRITE)
mprot = PROT_WRITE;
else if (prot & GIT_PROT_READ)
@@ -36,21 +36,34 @@ int p_mmap(git_map *out, size_t len, int prot, int flags, int fd, git_off_t offs
mflag = MAP_PRIVATE;
out->data = mmap(NULL, len, mprot, mflag, fd, offset);
+#else
+ if ((prot & GIT_PROT_WRITE) && ((flags & GIT_MAP_TYPE) == GIT_MAP_SHARED)) {
+ printf("Trying to map shared-writeable file!!!\n");
+
+ if(out->data = malloc(len)) {
+ lseek(fd, offset, SEEK_SET);
+ p_read(fd, out->data, len);
+ }
+ }
+#endif
+
if (!out->data || out->data == MAP_FAILED) {
giterr_set(GITERR_OS, "Failed to mmap. Could not write data");
return -1;
}
out->len = len;
-#endif
+
return 0;
}
int p_munmap(git_map *map)
{
-#ifndef __amigaos4__
assert(map != NULL);
+#ifndef __amigaos4__
munmap(map->data, map->len);
+#else
+ free(map->data);
#endif
return 0;
}