diff options
Diffstat (limited to 'gcc/fortran/class.c')
| -rw-r--r-- | gcc/fortran/class.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/gcc/fortran/class.c b/gcc/fortran/class.c index db39562..afd8885 100644 --- a/gcc/fortran/class.c +++ b/gcc/fortran/class.c @@ -484,7 +484,14 @@ get_unique_type_string (char *string, gfc_symbol *derived) if (derived->attr.unlimited_polymorphic) strcpy (dt_name, "STAR"); else - strncpy (dt_name, gfc_dt_upper_string (derived->name), sizeof (dt_name)); + { + const char *upper = gfc_dt_upper_string (derived->name); + size_t len = strnlen (upper, sizeof (dt_name)); + if (len >= sizeof (dt_name)) + gfc_internal_error ("get_unique_type_string: identifier overflow"); + memcpy (dt_name, upper, len); + dt_name[len] = '\0'; + } if (derived->attr.unlimited_polymorphic) sprintf (string, "_%s", dt_name); else if (derived->module) |