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-rw-r--r--librecrypt_realise_salts.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/librecrypt_realise_salts.c b/librecrypt_realise_salts.c
index 8a4b769..8f6d4eb 100644
--- a/librecrypt_realise_salts.c
+++ b/librecrypt_realise_salts.c
@@ -50,7 +50,8 @@ librecrypt_realise_salts(char *restrict out_buffer, size_t size, const char *set
/* Copy text before next '*' */
for (i = 0u; settings[i] != '*'; i++);
min = MIN(i, size);
- memcpy(out_buffer, settings, min);
+ if (min)
+ memcpy(out_buffer, settings, min);
out_buffer = &out_buffer[min];
size -= min;
settings = &settings[i];
@@ -136,7 +137,8 @@ librecrypt_realise_salts(char *restrict out_buffer, size_t size, const char *set
if (settings[i++] == LIBRECRYPT_ALGORITHM_LINK_DELIMITER)
break;
min = MIN(i, size);
- memcpy(out_buffer, settings, min);
+ if (min)
+ memcpy(out_buffer, settings, min);
out_buffer = &out_buffer[min];
size -= min;
settings = &settings[i];