[M] Change in coreboot[main]: lib/string: Add strncat() and strcat() functions

[Yu-Ping Wu (Code Review)]

Attention is currently required from: Yu-Ping Wu.

Hello Jakub Czapiga, build bot (Jenkins),

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/coreboot/+/83765?usp=email

to look at the new patch set (#3).

The following approvals got outdated and were removed:
Verified+1 by build bot (Jenkins)

Change subject: lib/string: Add strncat() and strcat() functions
......................................................................

lib/string: Add strncat() and strcat() functions

An upcoming vboot feature [1] will need strcat() to be defined in
string.h. Therefore, implement strncat() and strcat() in coreboot. Note
that these two functions already exist in libpayload.

[1] https://chromium-review.googlesource.com/c/chromiumos/platform/vboot_referen...

Change-Id: If02fce0eafb4f6fa01d8bab17d87a32360f4ac83
Signed-off-by: Yu-Ping Wu 
---
M src/include/string.h
M src/lib/string.c
M tests/lib/string-test.c
3 files changed, 85 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/65/83765/3