Viewing file: sentinel-1.c (3.84 KB) -rw-r--r-- Select action/file-type: (+) | (+) | (+) | Code (+) | Session (+) | (+) | SDB (+) | (+) | (+) | (+) | (+) | (+) |
/* Test for attribute sentinel. */ /* Origin: Kaveh Ghazi <ghazi@caip.rutgers.edu> */ /* { dg-do compile } */ /* { dg-options "-Wformat" } */
#include <stddef.h> /* For NULL, which must be (ptr)0. */
extern int execl (const char *, const char *, ...); extern int execlp (const char *, const char *, ...); extern int execle (const char *, const char *, ...); extern char *envp[];
#define ATTR __attribute__ ((__sentinel__))
extern int a ATTR; /* { dg-warning "applies to function types" "sentinel" } */
extern void foo1 (const char *, ...) ATTR; /* { dg-message "note: declared here" } */ extern void foo2 (...) ATTR; /* { dg-error "ISO C requires|named arguments" "sentinel" } */ extern void foo3 () ATTR; /* { dg-warning "named arguments" "sentinel" } */ extern void foo4 (const char *, int) ATTR; /* { dg-warning "variadic functions" "sentinel" } */ extern void foo5 (const char *, ...) __attribute__ ((__sentinel__(1))); extern void foo6 (const char *, ...) __attribute__ ((__sentinel__(5))); extern void foo7 (const char *, ...) __attribute__ ((__sentinel__(0))); extern void foo8 (const char *, ...) __attribute__ ((__sentinel__("a"))); /* { dg-warning "not an integer constant" "sentinel" } */ extern void foo9 (const char *, ...) __attribute__ ((__sentinel__(-1))); /* { dg-warning "less than zero" "sentinel" } */ extern void foo10 (const char *, ...) __attribute__ ((__sentinel__(1,3))); /* { dg-error "wrong number of arguments" "sentinel" } */
extern void bar(void) { foo1 (); /* { dg-error "not enough|too few arguments" "sentinel" } */ foo1 (NULL); /* { dg-warning "not enough" "sentinel" } */ foo1 ("a"); /* { dg-warning "not enough" "sentinel" } */ foo1 ("a", 1); /* { dg-warning "missing sentinel" "sentinel" } */ foo1 ("a", 0); /* { dg-warning "missing sentinel" "sentinel" } */ foo1 ("a", (void*)1); /* { dg-warning "missing sentinel" "sentinel" } */ foo1 ("a", NULL, 1); /* { dg-warning "missing sentinel" "sentinel" } */ foo1 ("a", NULL);
foo5 (NULL); /* { dg-warning "not enough" "sentinel" } */ foo5 (NULL, 1); /* { dg-warning "not enough" "sentinel" } */ foo5 ("a", NULL); /* { dg-warning "not enough" "sentinel" } */ foo5 ("a", NULL, 1); foo5 ("a", 1, 2, 3, NULL); /* { dg-warning "missing sentinel" "sentinel" } */ foo5 ("a", 1, 2, NULL, 3); foo5 ("a", 1, NULL, 2, 3); /* { dg-warning "missing sentinel" "sentinel" } */ foo5 ("a", NULL, 1, 2, 3); /* { dg-warning "missing sentinel" "sentinel" } */ foo5 ("a", 0, 1, 2, 3); /* { dg-warning "missing sentinel" "sentinel" } */
foo6 ("a", 1, NULL); /* { dg-warning "not enough" "sentinel" } */ foo6 ("a", 1, NULL, 2); /* { dg-warning "not enough" "sentinel" } */ foo6 ("a", 1, NULL, 2, 3); /* { dg-warning "not enough" "sentinel" } */ foo6 ("a", NULL, 1, 2, 3); /* { dg-warning "not enough" "sentinel" } */ foo6 ("a", NULL, 1, 2, 3, 4); /* { dg-warning "not enough" "sentinel" } */ foo6 (NULL, 1, 2, 3, 4, 5); /* { dg-warning "not enough" "sentinel" } */ foo6 ("a", NULL, 1, 2, 3, 4, 5); foo6 ("a", 0, NULL, 1, 2, 3, 4, 5); foo6 ("a", 0, 1, 2, 3, 4, 5); /* { dg-warning "missing sentinel" "sentinel" } */ foo6 ("a", NULL, 1, 2, 3, 4, 5, 6); /* { dg-warning "missing sentinel" "sentinel" } */
foo7 ("a", 1, 2, 3, NULL);
execl ("/bin/ls", "/bin/ls", "-aFC"); /* { dg-warning "missing sentinel" "sentinel" } */ execl ("/bin/ls", "/bin/ls", "-aFC", 0); /* { dg-warning "missing sentinel" "sentinel" } */ execl ("/bin/ls", "/bin/ls", "-aFC", NULL);
execlp ("ls", "ls", "-aFC"); /* { dg-warning "missing sentinel" "sentinel" } */ execlp ("ls", "ls", "-aFC", 0); /* { dg-warning "missing sentinel" "sentinel" } */ execlp ("ls", "ls", "-aFC", NULL);
execle ("ls", "ls", "-aFC", ".", envp); /* { dg-warning "missing sentinel" "sentinel" } */ execle ("ls", "ls", "-aFC", ".", 0, envp); /* { dg-warning "missing sentinel" "sentinel" } */ execle ("ls", "ls", "-aFC", ".", NULL, envp); }
|