Commit graph

15 commits

Author SHA1 Message Date
Jit Loon Lim
eb088894dc feat(lib): implement strnlen secure and strcpy secure function
Implement safer version of 'strnlen' function
to handle NULL terminated strings with additional
bound checking and secure version of string copy function
to support better security and avoid destination
buffer overflow.

Change-Id: I93916f003b192c1c6da6a4f78a627c8885db11d9
Signed-off-by: Jit Loon Lim <jit.loon.lim@altera.com>
Signed-off-by: Girisha Dengi <girisha.dengi@intel.com>
2025-03-19 12:57:35 +08:00
Govindraj Raja
4c700c1563 chore: update to use Arm word across TF-A
Align entire TF-A to use Arm in copyright header.

Change-Id: Ief9992169efdab61d0da6bd8c5180de7a4bc2244
Signed-off-by: Govindraj Raja <govindraj.raja@arm.com>
2023-08-08 15:12:30 +01:00
Jit Loon Lim
f328bff667 feat(lib): implement memcpy_s in lib
To support memcpy_s for better security purpose
to avoid overflowing the dest while copy from src.

Signed-off-by: Jit Loon Lim <jit.loon.lim@intel.com>
Change-Id: I63c3ea6a3e99c10d69be6bce04843c14b0a28a4d
2023-06-13 11:25:48 +08:00
Madhukar Pappireddy
374eef025f libc: Import strtok_r from FreeBSD project
From commit: 21571b1d140ae7bb44e94c0afba2ec61456b275b
Made small changes to fit into TF-A project

Change-Id: I991f653a7ace04f9c84bcda78ad8d7114ea18e93
Signed-off-by: Madhukar Pappireddy <madhukar.pappireddy@arm.com>
2020-09-18 11:58:41 -05:00
Madhukar Pappireddy
1123a5e2f9 libc: Import strlcat from FreeBSD project
From commit: 21571b1d140ae7bb44e94c0afba2ec61456b275b
Made small changes to fit into TF-A project

Change-Id: I07fd7fe1037857f6b299c35367c104fb51fa5cfa
Signed-off-by: Madhukar Pappireddy <madhukar.pappireddy@arm.com>
2020-09-09 13:48:04 -05:00
Alexei Fedorov
fcccd358e4 Merge "libc: add memrchr" into integration 2019-12-11 10:14:13 +00:00
Ambroise Vincent
ebff107268 libc: add memrchr
This function scans a string backwards from the end for the first
instance of a character.

Change-Id: I46b21573ed25a0ff222eac340e1e1fb93b040763
Signed-off-by: Ambroise Vincent <ambroise.vincent@arm.com>
2019-12-11 08:51:26 +01:00
Bence Szépkúti
d45c323a9c libc: Consolidate the size_t and NULL definitions
Consolidate the definition of size_t to one header per AArch, and
the definition of NULL to one header

Signed-off-by: Bence Szépkúti <bence.szepkuti@arm.com>
Change-Id: Iecfbad2cf360cfb705ce7aaa981700fd16219b82
2019-12-06 11:37:19 +01:00
Antonio Nino Diaz
b4cf974a32 libc: Adapt strlcpy to this codebase
Change-Id: I2f5f64aaf90caae936510e1179392a8835f493e0
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
2018-11-02 13:41:33 +00:00
Antonio Nino Diaz
1a29aba367 libc: Integrate strrchr in libc
Change-Id: I3ddc07cb02d73cd7614af7a5b21827aae155f9a0
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
2018-10-23 18:27:45 +01:00
Antonio Nino Diaz
2fb88cb2e9 libc: Cleanup SCC headers
Only leave the parts relevant to the Trusted Firmware.

Change-Id: I0444c16e402f6c1629211d03bf6cb32ca3dbcf59
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
2018-08-22 10:26:05 +01:00
Antonio Nino Diaz
7c0ff9c40c libc: Add AArch32 and AArch64 headers
Change-Id: I4f58bb4660078c9bc76d2826c90b2fa711719a3e
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
2018-08-22 10:26:05 +01:00
Antonio Nino Diaz
27989a8e34 libc: Introduce files from SCC
Taken from http://git.simple-cc.org/scc/ from the following commit:

67508ad14af314cea2229783d3c084f28c41daf0

Permission has been granted from the author to use them under the
license BSD-3-Clause instead of ISC.

Change-Id: I65c0ce3ab60c49d34a57533af12a74bd7bde88e5
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
2018-08-22 10:26:05 +01:00
Antonio Nino Diaz
091f39675a libc: Remove non-Arm files
Remove all files that don't have only Arm copyright. This is the first
step to cleanup the C library in this repository. They will be re-added
in the following patches.

Change-Id: I72c40a1620d1df3228fc397ec695d569a20245fd
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
2018-08-22 10:26:04 +01:00
Roberto Vargas
61f72a3425 Create a library file for libc
TF Makefile was linking all the objects files generated for the
c library instead of creating a static library that could be
used in the linking stage.

Change-Id: I721daea097e9b13cbb42c9f8eaa2af8fea0799cf
Signed-off-by: Roberto Vargas <roberto.vargas@arm.com>
2018-08-03 11:31:33 +01:00
Renamed from include/lib/stdlib/string.h (Browse further)