ICU-22912 fix coverity warning in gencnval.c

See: https://unicode-org.atlassian.net/browse/ICU-22912
unicode-org · Sep 22, 2024 · 941819b · 941819b
1 parent 2f348f4
commit 941819b
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/icu4c/source/tools/gencnval/gencnval.c b/icu4c/source/tools/gencnval/gencnval.c
@@ -273,6 +273,11 @@ main(int argc, char* argv[]) {
 
     const char* sourcedir = options[SOURCEDIR].value;
     if (sourcedir != NULL && *sourcedir != 0) {
+        if (strlen(sourcedir) + strlen(path) + 1 >= 512) {
+            fprintf(stderr,
+                    "Length of sourcedir + path is too long, must be <= 510.\n");
+            exit(U_ILLEGAL_ARGUMENT_ERROR);
+        }
         char *end;
         uprv_strcpy(pathBuf, sourcedir);
         end = uprv_strchr(pathBuf, 0);