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The type within the cast (int (__attribute__((foo)) *)(void)) was misparsed because of the presence of the attribute (parse_btype prematurely concluded that (__attribute__() *) is a type. Also see testcase. This construct is used in sqlite it seems.
41 lines
905 B
C
41 lines
905 B
C
typedef unsigned short uint16_t;
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typedef unsigned char uint8_t;
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typedef union Unaligned16a {
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uint16_t u;
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uint8_t b[2];
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} __attribute__((packed)) Unaligned16a;
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typedef union __attribute__((packed)) Unaligned16b {
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uint16_t u;
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uint8_t b[2];
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} Unaligned16b;
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extern void foo (void) __attribute__((stdcall));
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void __attribute__((stdcall)) foo (void)
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{
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}
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/* The actual attribute isn't important, must just be
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parsable. */
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#define ATTR __attribute__((__noinline__))
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int ATTR actual_function() {
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return 42;
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}
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extern int printf (const char *, ...);
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int main()
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{
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void *function_pointer = &actual_function;
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int a = ((ATTR int(*) (void)) function_pointer)();
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printf("%i\n", a);
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/* In the following we once misparsed 'ATTR *' is a btype
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and hence the whole type was garbled. */
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int b = ( (int(ATTR *)(void)) function_pointer)();
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printf("%i\n", b);
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return 0;
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}
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