diff options
Diffstat (limited to 'libgfortran')
-rw-r--r-- | libgfortran/ChangeLog | 8 | ||||
-rw-r--r-- | libgfortran/io/read.c | 2 | ||||
-rw-r--r-- | libgfortran/io/write.c | 5 |
3 files changed, 12 insertions, 3 deletions
diff --git a/libgfortran/ChangeLog b/libgfortran/ChangeLog index e2c65075aa8..3f69e567ef7 100644 --- a/libgfortran/ChangeLog +++ b/libgfortran/ChangeLog @@ -1,3 +1,11 @@ +2019-10-01 Jerry DeLisle <jvdelisle@gcc.gnu.org> + + PR libfortran/91593 + * io/read.c (read_decimal): Cast constant to size_t to turn off + a bogus warning. + * io/write.c (btoa_big): Use memset in lieu of setting the null + byte in a string buffer to turn off a bogus warning. + 2019-09-28 Jerry DeLisle <jvdelisle@gcc.gnu.org> PR libfortran/91593 diff --git a/libgfortran/io/read.c b/libgfortran/io/read.c index be9f6cb6f76..4a77e4384b7 100644 --- a/libgfortran/io/read.c +++ b/libgfortran/io/read.c @@ -638,7 +638,7 @@ read_decimal (st_parameter_dt *dtp, const fnode *f, char *dest, int length) /* This is a legacy extension, and the frontend will only allow such cases * through when -fdec-format-defaults is passed. */ - if (w == DEFAULT_WIDTH) + if (w == (size_t) DEFAULT_WIDTH) w = default_width_for_integer (length); p = read_block_form (dtp, &w); diff --git a/libgfortran/io/write.c b/libgfortran/io/write.c index 4ef35561fdd..eacd1f79715 100644 --- a/libgfortran/io/write.c +++ b/libgfortran/io/write.c @@ -1048,8 +1048,6 @@ btoa_big (const char *s, char *buffer, int len, GFC_UINTEGER_LARGEST *n) } } - *q = '\0'; - if (*n == 0) return "0"; @@ -1207,6 +1205,9 @@ write_b (st_parameter_dt *dtp, const fnode *f, const char *source, int len) char itoa_buf[GFC_BTOA_BUF_SIZE]; GFC_UINTEGER_LARGEST n = 0; + /* Ensure we end up with a null terminated string. */ + memset(itoa_buf, '\0', GFC_BTOA_BUF_SIZE); + if (len > (int) sizeof (GFC_UINTEGER_LARGEST)) { p = btoa_big (source, itoa_buf, len, &n); |