diff options
Diffstat (limited to 'stdio-common/tstdiomisc.c')
| -rw-r--r-- | stdio-common/tstdiomisc.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/stdio-common/tstdiomisc.c b/stdio-common/tstdiomisc.c index 5548a71e52..9c7342d55f 100644 --- a/stdio-common/tstdiomisc.c +++ b/stdio-common/tstdiomisc.c @@ -94,6 +94,14 @@ F (void) qnanval = NAN; + /* The %f and %F arguments are in fact constants, but GCC is + prevented from seeing this (volatile is used) so it cannot tell + that the output is not truncated. */ + DIAG_PUSH_NEEDS_COMMENT; +#if __GNUC_PREREQ (7, 0) + DIAG_IGNORE_NEEDS_COMMENT (7.0, "-Wformat-truncation"); +#endif + snprintf (buf, sizeof buf, "%a %A %e %E %f %F %g %G", qnanval, qnanval, qnanval, qnanval, qnanval, qnanval, qnanval, qnanval); @@ -260,6 +268,8 @@ F (void) printf ("expected L\"-inf -INF -inf -INF -inf -INF -inf -INF\", got L\"%S\"\n", wbuf); + DIAG_POP_NEEDS_COMMENT; + return result; } |