diff options
Diffstat (limited to 'clang/test/Sema/format-strings.c')
| -rw-r--r-- | clang/test/Sema/format-strings.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/clang/test/Sema/format-strings.c b/clang/test/Sema/format-strings.c index 6ed665c7003..ad7b37c3e11 100644 --- a/clang/test/Sema/format-strings.c +++ b/clang/test/Sema/format-strings.c @@ -535,6 +535,21 @@ void pr9751() { 0.0); // expected-warning{{format specifies}} } +void pr18905() { + const char s1[] = "s\0%s"; // expected-note{{format string is defined here}} + const char s2[1] = "s"; // expected-note{{format string is defined here}} + const char s3[2] = "s\0%s"; // expected-warning{{initializer-string for char array is too long}} + const char s4[10] = "s"; + const char s5[0] = "%s"; // expected-warning{{initializer-string for char array is too long}} + // expected-note@-1{{format string is defined here}} + + printf(s1); // expected-warning{{format string contains '\0' within the string body}} + printf(s2); // expected-warning{{format string is not null-terminated}} + printf(s3); // no-warning + printf(s4); // no-warning + printf(s5); // expected-warning{{format string is not null-terminated}} +} + void __attribute__((format(strfmon,1,2))) monformat(const char *fmt, ...); void __attribute__((format(strftime,1,0))) dateformat(const char *fmt); |
