cuberite/polarssl
1
0
Fork 0
mirror of https://github.com/cuberite/polarssl.git synced 2025-09-09 15:22:11 -04:00
Code Issues Packages Projects Releases Wiki Activity

Skip call to memcpy if buffer length is zero

Browse Source 
This allows the copy functions to work when passed a (NULL, 0) buffer.

Signed-off-by: David Horstmann <david.horstmann@arm.com>
This commit is contained in:
David Horstmann 2023-11-15 17:33:47 +00:00
parent df49355faa
commit 660027f310
1 changed files with 8 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
library/psa_crypto.c
View File

@ -5543,7 +5543,9 @@ psa_status_t psa_crypto_copy_input(const uint8_t *input, size_t input_len,
return PSA_ERROR_CORRUPTION_DETECTED;
}
if (input_len > 0) {
memcpy(input_copy, input, input_len);
}
return PSA_SUCCESS;
}
@ -5567,7 +5569,11 @@ psa_status_t psa_crypto_copy_output(const uint8_t *output_copy, size_t output_co
if (output_len < output_copy_len) {
return PSA_ERROR_CORRUPTION_DETECTED;
}
if (output_copy_len > 0) {
memcpy(output, output_copy, output_copy_len);
}
return PSA_SUCCESS;
}