Check that arguments to a scanf call match the format specifier,
and offer fixits when there is a mismatch.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146326 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Sema/format-strings-scanf.c b/test/Sema/format-strings-scanf.c
index ee559da..4675862 100644
--- a/test/Sema/format-strings-scanf.c
+++ b/test/Sema/format-strings-scanf.c
@@ -28,7 +28,7 @@
void bad_length_modifiers(char *s, void *p, wchar_t *ws, long double *ld) {
scanf("%hhs", "foo"); // expected-warning{{length modifier 'hh' results in undefined behavior or no effect with 's' conversion specifier}}
- scanf("%1$zp", p); // expected-warning{{length modifier 'z' results in undefined behavior or no effect with 'p' conversion specifier}}
+ scanf("%1$zp", &p); // expected-warning{{length modifier 'z' results in undefined behavior or no effect with 'p' conversion specifier}}
scanf("%ls", ws); // no-warning
scanf("%#.2Lf", ld); // expected-warning{{invalid conversion specifier '#'}}
}
@@ -37,10 +37,11 @@
// format string is somewhere else, point to it in a note.
void pr9751() {
int *i;
+ char str[100];
const char kFormat1[] = "%00d"; // expected-note{{format string is defined here}}}
scanf(kFormat1, i); // expected-warning{{zero field width in scanf format string is unused}}
scanf("%00d", i); // expected-warning{{zero field width in scanf format string is unused}}
const char kFormat2[] = "%["; // expected-note{{format string is defined here}}}
- scanf(kFormat2, &i); // expected-warning{{no closing ']' for '%[' in scanf format string}}
- scanf("%[", &i); // expected-warning{{no closing ']' for '%[' in scanf format string}}
+ scanf(kFormat2, str); // expected-warning{{no closing ']' for '%[' in scanf format string}}
+ scanf("%[", str); // expected-warning{{no closing ']' for '%[' in scanf format string}}
}