diff options
Diffstat (limited to 'gcc/cppmacro.c')
| -rw-r--r-- | gcc/cppmacro.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/cppmacro.c b/gcc/cppmacro.c index b8fb792..113b20d 100644 --- a/gcc/cppmacro.c +++ b/gcc/cppmacro.c @@ -409,6 +409,12 @@ stringify_arg (pfile, arg) } /* Commit the memory, including NUL, and return the token. */ + if ((size_t) (BUFF_LIMIT (pfile->u_buff) - dest) < 1) + { + size_t len_so_far = dest - BUFF_FRONT (pfile->u_buff); + _cpp_extend_buff (pfile, &pfile->u_buff, 1); + dest = BUFF_FRONT (pfile->u_buff) + len_so_far; + } len = dest - BUFF_FRONT (pfile->u_buff); BUFF_FRONT (pfile->u_buff) = dest + 1; return new_string_token (pfile, dest - len, len); |