1 // RUN: rm -fR %t
2 // RUN: split-file %s %t
3 // RUN: %clang_cc1 -fsyntax-only -verify=c89 -Werror=implicit-function-declaration -std=c89 %t/stdarg0.c
4 // RUN: %clang_cc1 -fsyntax-only -verify=c99 -Werror=implicit-function-declaration -std=c99 %t/stdarg0.c
5 // RUN: %clang_cc1 -fsyntax-only -verify=c89-modules -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -Werror=implicit-function-declaration -std=c89 %t/stdarg0.c
6 // RUN: %clang_cc1 -fsyntax-only -verify=c99-modules -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -Werror=implicit-function-declaration -std=c99 %t/stdarg0.c
7 // RUN: %clang_cc1 -fsyntax-only -verify=c89 -Werror=implicit-function-declaration -std=c89 %t/stdarg1.c
8 // RUN: %clang_cc1 -fsyntax-only -verify=c99 -Werror=implicit-function-declaration -std=c99 %t/stdarg1.c
9 // RUN: %clang_cc1 -fsyntax-only -verify=c89-modules -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -Werror=implicit-function-declaration -std=c89 %t/stdarg1.c
10 // RUN: %clang_cc1 -fsyntax-only -verify=c99-modules -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -Werror=implicit-function-declaration -std=c99 %t/stdarg1.c
11
12 // Split the file so that the "implicitly declaring library function" errors get repeated.
13
14 //--- stdarg0.c
f(int p,...)15 static void f(int p, ...) {
16 __gnuc_va_list g; // c89-error{{undeclared identifier '__gnuc_va_list'}} c99-error{{undeclared identifier}} \
17 c89-modules-error{{undeclared identifier}} c99-modules-error{{undeclared identifier}}
18 va_list v; // c89-error{{undeclared identifier 'va_list'}} c99-error{{undeclared identifier}} \
19 c89-modules-error{{undeclared identifier}} c99-modules-error{{undeclared identifier}}
20 va_start(v, p); // c89-error{{implicitly declaring library function 'va_start'}} c89-note{{include the header <stdarg.h> or explicitly provide a declaration for 'va_start'}} c89-error{{undeclared identifier 'v'}} \
21 c99-error{{call to undeclared library function 'va_start'}} c99-note{{provide a declaration}} c99-error{{undeclared identifier}} \
22 c89-modules-error{{implicitly declaring library function}} c89-modules-note{{provide a declaration}} c89-modules-error{{undeclared identifier}} \
23 c99-modules-error{{undeclared library function}} c99-modules-note{{provide a declaration}} c99-modules-error{{undeclared identifier}}
24 int i = va_arg(v, int); // c89-error{{implicit declaration of function 'va_arg'}} c89-error{{expected expression}} c89-error{{use of undeclared identifier 'v'}} \
25 c99-error{{call to undeclared function 'va_arg'}} c99-error{{expected expression}} c99-error{{undeclared identifier}} \
26 c89-modules-error{{implicit declaration of function}} c89-modules-error{{expected expression}} c89-modules-error{{undeclared identifier}} \
27 c99-modules-error{{undeclared function}} c99-modules-error{{expected expression}} c99-modules-error{{undeclared identifier}}
28 va_end(v); // c89-error{{implicitly declaring library function 'va_end'}} c89-note{{include the header <stdarg.h> or explicitly provide a declaration for 'va_end'}} c89-error{{undeclared identifier 'v'}} \
29 c99-error{{call to undeclared library function 'va_end'}} c99-note{{provide a declaration}} c99-error{{undeclared identifier}} \
30 c89-modules-error{{implicitly declaring library function}} c89-modules-note{{provide a declaration}} c89-modules-error{{undeclared identifier}} \
31 c99-modules-error{{undeclared library function}} c99-modules-note{{provide a declaration}} c99-modules-error{{undeclared identifier}}
32 __va_copy(g, v); // c89-error{{implicit declaration of function '__va_copy'}} c89-error{{use of undeclared identifier 'g'}} c89-error{{use of undeclared identifier 'v'}} \
33 c99-error{{call to undeclared function '__va_copy'}} c99-error{{undeclared identifier}} c99-error{{undeclared identifier}} \
34 c89-modules-error{{implicit declaration of function}} c89-modules-error{{undeclared identifier}} c89-modules-error{{undeclared identifier}} \
35 c99-modules-error{{undeclared function}} c99-modules-error{{undeclared identifier}} c99-modules-error{{undeclared identifier}}
36 va_copy(g, v); // c89-error{{implicitly declaring library function 'va_copy'}} c89-note{{include the header <stdarg.h> or explicitly provide a declaration for 'va_copy'}} c89-error{{use of undeclared identifier 'g'}} c89-error{{use of undeclared identifier 'v'}} \
37 c99-error{{call to undeclared library function 'va_copy'}} c99-note{{provide a declaration}} c99-error{{undeclared identifier}} c99-error{{undeclared identifier}} \
38 c89-modules-error{{implicitly declaring library function}} c89-modules-note{{provide a declaration}} c89-modules-error{{undeclared identifier}} c89-modules-error{{undeclared identifier}} \
39 c99-modules-error{{undeclared library function}} c99-modules-note{{provide a declaration}} c99-modules-error{{undeclared identifier}} c99-modules-error{{undeclared identifier}}
40 }
41
42 //--- stdarg1.c
43 // c99-no-diagnostics
44 // c99-modules-no-diagnostics
45
46 #include <stdarg.h>
f(int p,...)47 static void f(int p, ...) {
48 __gnuc_va_list g;
49 va_list v;
50 va_start(v, p);
51 int i = va_arg(v, int);
52 va_end(v);
53 __va_copy(g, v);
54 va_copy(g, v); // c89-error{{implicitly declaring library function}} c89-note{{provide a declaration}} \
55 c89-modules-error{{implicitly declaring library function}} c89-modules-note{{provide a declaration}}
56 }
57