From b41ee9935d4fdd8051ec89f0a14682c6821aa6ae Mon Sep 17 00:00:00 2001 From: Takayuki Matsuoka Date: Thu, 11 Aug 2022 16:13:56 +0900 Subject: Add short description of LZ4_FREESTANDING and _DISABLE_MEMORY_ALLOCATION --- lib/README.md | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/lib/README.md b/lib/README.md index 244d65c..c9916a9 100644 --- a/lib/README.md +++ b/lib/README.md @@ -104,6 +104,18 @@ The following build macro can be selected to adjust source code behavior at comp passed as argument to become a compression state is suitably aligned. This test can be disabled if it proves flaky, by setting this value to 0. +- `LZ4_STATIC_LINKING_ONLY_DISABLE_MEMORY_ALLOCATION` : some LZ4/HC (level 1 and 2) public + functions internally invoke dynamic memory allocation functions of the C standard library. + By defining this build macro, these LZ4/HC functions are disabled to ensure to remove + dependency to the standard library. + See also the description of this macro in lib/lz4.c. + +- `LZ4_FREESTANDING` : by setting this build macro to 1, LZ4/HC (level 1 and 2) removes + dependencies on the C standard library, including memmove, memcpy, and memset. + This build macro is designed to help use LZ4/HC in restricted environments + (embedded, bootloader, etc). + See also the description of this macro in lib/lz4.h. + #### Amalgamation -- cgit v0.12