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-rw-r--r--src/ai/ai_config.cpp5
1 files changed, 3 insertions, 2 deletions
diff --git a/src/ai/ai_config.cpp b/src/ai/ai_config.cpp
index 1cad24bb7..941fc8365 100644
--- a/src/ai/ai_config.cpp
+++ b/src/ai/ai_config.cpp
@@ -204,9 +204,10 @@ void AIConfig::SettingsToString(char *string, size_t size)
snprintf(no, sizeof(no), "%d", (*it).second);
/* Check if the string would fit in the destination */
- size -= strlen((*it).first) - 1 - strlen(no) - 1;
+ size_t needed_size = strlen((*it).first) + 1 + strlen(no) + 1;
/* If it doesn't fit, skip the next settings */
- if (size <= 0) return;
+ if (size <= needed_size) break;
+ size -= needed_size;
strcat(string, (*it).first);
strcat(string, "=");