diff options
| -rw-r--r-- | doc/lz4_Frame_format.md | 2 | ||||
| -rw-r--r-- | lib/README.md | 13 | ||||
| -rw-r--r-- | lib/lz4frame.c | 7 | ||||
| -rw-r--r-- | tests/Makefile | 1 |
4 files changed, 22 insertions, 1 deletions
diff --git a/doc/lz4_Frame_format.md b/doc/lz4_Frame_format.md index 0c98df1..a8541f5 100644 --- a/doc/lz4_Frame_format.md +++ b/doc/lz4_Frame_format.md @@ -213,7 +213,7 @@ __Content Size__ This is the original (uncompressed) size. This information is optional, and only present if the associated flag is set. -Content size is provided using unsigned 8 Bytes, for a maximum of 16 HexaBytes. +Content size is provided using unsigned 8 Bytes, for a maximum of 16 Exabytes. Format is Little endian. This value is informational, typically for display or memory allocation. It can be skipped by a decoder, or used to validate content correctness. diff --git a/lib/README.md b/lib/README.md index 018ce40..a705de6 100644 --- a/lib/README.md +++ b/lib/README.md @@ -42,6 +42,19 @@ Should they be nonetheless needed, it's possible to force their publication by using build macro `LZ4_PUBLISH_STATIC_FUNCTIONS`. +#### Amalgamation + +lz4 code is able to be amalgamated into a single file. +We can combine all source code in `lz4_all.c` by using following command, +``` +cat lz4.c > lz4_all.c +cat lz4hc.c >> lz4_all.c +cat lz4frame.c >> lz4_all.c +``` +and compile `lz4_all.c`. +It's necessary to include all `*.h` files present in `/lib` together with `lz4_all.c`. + + #### Windows : using MinGW+MSYS to create DLL DLL can be created using MinGW+MSYS with the `make liblz4` command. diff --git a/lib/lz4frame.c b/lib/lz4frame.c index 357f962..705832d 100644 --- a/lib/lz4frame.c +++ b/lib/lz4frame.c @@ -64,10 +64,15 @@ You can contact the author at : **************************************/ #include <stdlib.h> /* malloc, calloc, free */ #define ALLOC(s) malloc(s) +#ifndef LZ4_SRC_INCLUDED #define ALLOC_AND_ZERO(s) calloc(1,(s)) +#endif #define FREEMEM(p) free(p) #include <string.h> /* memset, memcpy, memmove */ +#ifndef LZ4_SRC_INCLUDED #define MEM_INIT memset +#endif + /*-************************************ @@ -180,9 +185,11 @@ static void LZ4F_writeLE64 (void* dst, U64 value64) /*-************************************ * Constants **************************************/ +#ifndef LZ4_SRC_INCLUDED #define KB *(1<<10) #define MB *(1<<20) #define GB *(1<<30) +#endif #define _1BIT 0x01 #define _2BITS 0x03 diff --git a/tests/Makefile b/tests/Makefile index 24dc581..8dcef6d 100644 --- a/tests/Makefile +++ b/tests/Makefile @@ -160,6 +160,7 @@ test32: test test-amalgamation: $(LZ4DIR)/lz4.c $(LZ4DIR)/lz4hc.c cat $(LZ4DIR)/lz4.c > lz4_all.c cat $(LZ4DIR)/lz4hc.c >> lz4_all.c + cat $(LZ4DIR)/lz4frame.c >> lz4_all.c $(CC) -I$(LZ4DIR) -c lz4_all.c $(RM) lz4_all.c |