diff options
Diffstat (limited to 'include/os.h')
| -rw-r--r-- | include/os.h | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/include/os.h b/include/os.h index 65bcb232ca..77d8bd89d0 100644 --- a/include/os.h +++ b/include/os.h @@ -114,7 +114,7 @@ void os_fd_restore(void); * os_malloc() - aquires some memory from the underlying os. * * @length: Number of bytes to be allocated - * Return: Pointer to length bytes or NULL on error + * Return: Pointer to length bytes or NULL if @length is 0 or on error */ void *os_malloc(size_t length); @@ -123,11 +123,22 @@ void *os_malloc(size_t length); * * This returns the memory to the OS. * - * @ptr: Pointer to memory block to free + * @ptr: Pointer to memory block to free. If this is NULL then this + * function does nothing */ void os_free(void *ptr); /** + * os_realloc() - reallocate memory + * + * This follows the semantics of realloc(), so can perform an os_malloc() or + * os_free() depending on @ptr and @length. + * + * Return: Pointer to reallocated memory or NULL if @length is 0 + */ +void *os_realloc(void *ptr, size_t length); + +/** * os_usleep() - access to the usleep function of the os * * @usec: time to sleep in micro seconds @@ -313,9 +324,10 @@ int os_jump_to_image(const void *dest, int size); * * @fname: place to put full path to U-Boot * @maxlen: maximum size of @fname + * @use_img: select the 'u-boot.img' file instead of the 'u-boot' ELF file * Return: 0 if OK, -NOSPC if the filename is too large, -ENOENT if not found */ -int os_find_u_boot(char *fname, int maxlen); +int os_find_u_boot(char *fname, int maxlen, bool use_img); /** * os_spl_to_uboot() - Run U-Boot proper |