qual-return-1.c
来自「this is a gcc file, you can download it 」· C语言 代码 · 共 25 行
C
25 行
/* Test for warnings for qualified function return types. *//* Origin: Joseph Myers <jsm28@cam.ac.uk> *//* { dg-do compile } *//* { dg-options "-std=gnu99 -W" } *//* Qualifying a function return type makes no sense. */const int int_fn (void); /* { dg-warning "qualifiers" "int decl" } */const int (*int_ptr) (void); /* { dg-warning "qualifiers" "int ptr" } */const int int_fn2 (void) { return 0; } /* { dg-warning "qualifiers" "int defn" } */const void void_fn (void); /* { dg-warning "qualifiers" "void decl" } */const void (*void_ptr) (void); /* { dg-warning "qualifiers" "void ptr" } */const void void_fn2 (void) { } /* { dg-warning "qualifiers" "void defn" } *//* "volatile void" is a GNU extension, so only warn at -pedantic. */volatile void vvoid_fn (void);volatile void (*vvoid_ptr) (void);volatile void vvoid_fn2 (void) { }int *restrict ip_fn (void); /* { dg-warning "qualifiers" "restrict decl" } */int *restrict (*ip_ptr) (void); /* { dg-warning "qualifiers" "restrict ptr" } */int *restrict ip_fn2 (void) { return (int *)0; }; /* { dg-warning "qualifiers" "restrict defn" } */
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