if (!ret && !size)
ret = malloc(1);
if (!ret)
- die("Out of memory, malloc failed");
+ die("Out of memory, malloc failed (tried to allocate %lu bytes)",
+ (unsigned long)size);
}
#ifdef XMALLOC_POISON
memset(ret, 0xA5, size);
return ret;
}
-void *xmmap(void *start, size_t length,
- int prot, int flags, int fd, off_t offset)
-{
- void *ret = mmap(start, length, prot, flags, fd, offset);
- if (ret == MAP_FAILED) {
- if (!length)
- return NULL;
- release_pack_memory(length, fd);
- ret = mmap(start, length, prot, flags, fd, offset);
- if (ret == MAP_FAILED)
- die_errno("Out of memory? mmap failed");
- }
- return ret;
-}
-
/*
* xread() is the same a read(), but it automatically restarts read()
* operations with a recoverable error (EAGAIN and EINTR). xread()
return ret;
}
-int odb_mkstemp(char *template, size_t limit, const char *pattern)
-{
- int fd;
- /*
- * we let the umask do its job, don't try to be more
- * restrictive except to remove write permission.
- */
- int mode = 0444;
- snprintf(template, limit, "%s/%s",
- get_object_directory(), pattern);
- fd = git_mkstemp_mode(template, mode);
- if (0 <= fd)
- return fd;
-
- /* slow path */
- /* some mkstemp implementations erase template on failure */
- snprintf(template, limit, "%s/%s",
- get_object_directory(), pattern);
- safe_create_leading_directories(template);
- return xmkstemp_mode(template, mode);
-}
-
-int odb_pack_keep(char *name, size_t namesz, unsigned char *sha1)
-{
- int fd;
-
- snprintf(name, namesz, "%s/pack/pack-%s.keep",
- get_object_directory(), sha1_to_hex(sha1));
- fd = open(name, O_RDWR|O_CREAT|O_EXCL, 0600);
- if (0 <= fd)
- return fd;
-
- /* slow path */
- safe_create_leading_directories(name);
- return open(name, O_RDWR|O_CREAT|O_EXCL, 0600);
-}
-
static int warn_if_unremovable(const char *op, const char *file, int rc)
{
if (rc < 0) {