12 int scanf(const char * restrict, ...) ;
21   scanf(s, i); // expected-warning{{ormat string is not a string literal}}  in test()
22   scanf("%0d", i); // expected-warning{{zero field width in scanf format string is unused}}  in test()
23   scanf("%00d", i); // expected-warning{{zero field width in scanf format string is unused}}  in test()
24 …scanf("%d%[asdfasdfd", i, s); // expected-warning{{no closing ']' for '%[' in scanf format string}}  in test()
27   scanf ("%" "hu" "\n", &s_x); // no-warning  in test()
28   scanf("%y", i); // expected-warning{{invalid conversion specifier 'y'}}  in test()
29   scanf("%%"); // no-warning  in test()
30   scanf("%%%1$d", i); // no-warning  in test()
31   scanf("%1$d%%", i); // no-warning  in test()
32   scanf("%d", i, i); // expected-warning{{data argument not used by format string}}  in test()
33   scanf("%*d", i); // // expected-warning{{data argument not used by format string}}  in test()
34   scanf("%*d", i); // // expected-warning{{data argument not used by format string}}  in test()
35   scanf("%*d%1$d", i); // no-warning  in test()
37   scanf("%s", (char*)0); // no-warning  in test()
38   scanf("%s", (volatile char*)0); // no-warning  in test()
39   scanf("%s", (signed char*)0); // no-warning  in test()
40   scanf("%s", (unsigned char*)0); // no-warning  in test()
41   scanf("%hhu", (signed char*)0); // no-warning  in test()
45 …scanf("%hhs", "foo"); // expected-warning{{length modifier 'hh' results in undefined behavior or n…  in bad_length_modifiers()
46 …scanf("%1$zp", &p); // expected-warning{{length modifier 'z' results in undefined behavior or no e…  in bad_length_modifiers()
47   scanf("%ls", ws); // no-warning  in bad_length_modifiers()
48   scanf("%#.2Lf", ld); // expected-warning{{invalid conversion specifier '#'}}  in bad_length_modifiers()
57   scanf(kFormat1, i); // expected-warning{{zero field width in scanf format string is unused}}  in pr9751()
58   scanf("%00d", i); // expected-warning{{zero field width in scanf format string is unused}}  in pr9751()
60   scanf(kFormat2, str); // expected-warning{{no closing ']' for '%[' in scanf format string}}  in pr9751()
61   scanf("%[", str); // expected-warning{{no closing ']' for '%[' in scanf format string}}  in pr9751()
63 …scanf(kFormat3, &i); // expected-warning {{format specifies type 'unsigned short *' but the argume…  in pr9751()
65 …scanf(kFormat4, &i); // expected-warning {{length modifier 'l' results in undefined behavior or no…  in pr9751()
85 …scanf("%[abc]", ip); // expected-warning{{format specifies type 'char *' but the argument has type…  in test_scanlist()
86 …scanf("%h[abc]", sp); // expected-warning{{length modifier 'h' results in undefined behavior or no…  in test_scanlist()
87   scanf("%l[xyx]", ls); // no-warning  in test_scanlist()
88 …scanf("%ll[xyx]", ls); // expected-warning {{length modifier 'll' results in undefined behavior or…  in test_scanlist()
91   scanf("%[]% ]", sp); // no-warning  in test_scanlist()
92   scanf("%[^]% ]", sp); // no-warning  in test_scanlist()
93   scanf("%[a^]% ]", sp); // expected-warning {{invalid conversion specifier ' '}}  in test_scanlist()
100 …scanf("%as", sp); // expected-warning{{format specifies type 'float *' but the argument has type '…  in test_alloc_extension()
101 …scanf("%aS", lsp); // expected-warning{{format specifies type 'float *' but the argument has type …  in test_alloc_extension()
102 …scanf("%a[bcd]", sp); // expected-warning{{format specifies type 'float *' but the argument has ty…  in test_alloc_extension()
106   scanf("%ms", sp); // No warning.  in test_alloc_extension()
107   scanf("%mS", lsp); // No warning.  in test_alloc_extension()
108   scanf("%mc", sp); // No warning.  in test_alloc_extension()
109   scanf("%mC", lsp); // No warning.  in test_alloc_extension()
110   scanf("%m[abc]", sp); // No warning.  in test_alloc_extension()
111 …scanf("%md", sp); // expected-warning{{length modifier 'm' results in undefined behavior or no eff…  in test_alloc_extension()
114 …scanf("%ms", fp); // expected-warning{{format specifies type 'char **' but the argument has type '…  in test_alloc_extension()
115 …scanf("%mS", fp); // expected-warning-re{{format specifies type 'wchar_t **' (aka '{{[^']+}}') but…  in test_alloc_extension()
116 …scanf("%mc", fp); // expected-warning{{format specifies type 'char **' but the argument has type '…  in test_alloc_extension()
117 …scanf("%mC", fp); // expected-warning-re{{format specifies type 'wchar_t **' (aka '{{[^']+}}') but…  in test_alloc_extension()
118 …scanf("%m[abc]", fp); // expected-warning{{format specifies type 'char **' but the argument has ty…  in test_alloc_extension()
122 …scanf("%qd", x); // expected-warning{{format specifies type 'long long *' but the argument has typ…  in test_quad()
123   scanf("%qd", llx); // no-warning  in test_quad()
127 …scanf("%n", (void*)0); // expected-warning{{format specifies type 'int *' but the argument has typ…  in test_writeback()
128 …scanf("%n %c", x, x); // expected-warning{{format specifies type 'char *' but the argument has typ…  in test_writeback()
130   scanf("%hhn", (signed char*)0); // no-warning  in test_writeback()
131   scanf("%hhn", (char*)0); // no-warning  in test_writeback()
132   scanf("%hhn", (unsigned char*)0); // no-warning  in test_writeback()
133 …scanf("%hhn", (int*)0); // expected-warning{{format specifies type 'signed char *' but the argumen…  in test_writeback()
135   scanf("%hn", (short*)0); // no-warning  in test_writeback()
136   scanf("%hn", (unsigned short*)0); // no-warning  in test_writeback()
137 …scanf("%hn", (int*)0); // expected-warning{{format specifies type 'short *' but the argument has t…  in test_writeback()
139   scanf("%n", (int*)0); // no-warning  in test_writeback()
140   scanf("%n", (unsigned int*)0); // no-warning  in test_writeback()
141 …scanf("%n", (char*)0); // expected-warning{{format specifies type 'int *' but the argument has typ…  in test_writeback()
143   scanf("%ln", (long*)0); // no-warning  in test_writeback()
144   scanf("%ln", (unsigned long*)0); // no-warning  in test_writeback()
145 …scanf("%ln", (int*)0); // expected-warning{{format specifies type 'long *' but the argument has ty…  in test_writeback()
147   scanf("%lln", (long long*)0); // no-warning  in test_writeback()
148   scanf("%lln", (unsigned long long*)0); // no-warning  in test_writeback()
149 …scanf("%lln", (int*)0); // expected-warning{{format specifies type 'long long *' but the argument …  in test_writeback()
151   scanf("%qn", (long long*)0); // no-warning  in test_writeback()
152   scanf("%qn", (unsigned long long*)0); // no-warning  in test_writeback()
153 …scanf("%qn", (int*)0); // expected-warning{{format specifies type 'long long *' but the argument h…  in test_writeback()
160 …scanf("%d", cip); // expected-warning{{format specifies type 'int *' but the argument has type 'co…  in test_qualifiers()
161 …scanf("%n", cip); // expected-warning{{format specifies type 'int *' but the argument has type 'co…  in test_qualifiers()
162 …scanf("%s", ccp); // expected-warning{{format specifies type 'char *' but the argument has type 'c…  in test_qualifiers()
163 …scanf("%d", cvip); // expected-warning{{format specifies type 'int *' but the argument has type 'c…  in test_qualifiers()
165   scanf("%d", vip); // No warning.  in test_qualifiers()
166   scanf("%n", vip); // No warning.  in test_qualifiers()
167   scanf("%c", vcp); // No warning.  in test_qualifiers()
171   scanf("%d", (ip_t)0); // No warning.  in test_qualifiers()
172 …scanf("%d", (cip_t)0); // expected-warning{{format specifies type 'int *' but the argument has typ…  in test_qualifiers()