pack-test-2.c

来自「gcc3.2.1源代码」· C语言 代码 · 共 24 行

/* Tests for syntax checking of #pragma pack.
   Contributed by Mike Coleman <[e-mail]> */

/* { dg-do compile { target *-*-linux* *-*-cygwin* powerpc*-*-eabi* } } */

#pragma pack(push)              /* { dg-error "malformed" } */
#pragma pack(pop)               /* { dg-error "without matching" } */

#pragma pack(push, foo, 1)
#pragma pack(pop, foo, 1)       /* { dg-error "malformed" } (/
#pragma pack(pop)               /* reset */

#pragma pack(push, foo, 1)
#pragma pack(pop, bar)          /* { dg-error "without matching" } */
#pragma pack(pop)               /* reset */

#pragma pack(push, foo, 1)
#pragma pack(pop)
#pragma pack(pop, foo)          /* { dg-error "without matching" } */

#pragma pack(push, foo, 3)      /* { dg-error "small power of two" } */

extern int blah;	/* prevent "ISO C forbids an empty source file" */