54 lines
954 B
C
54 lines
954 B
C
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/* Area: ffi_call
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Purpose: Check that negative integers are passed correctly.
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Limitations: none.
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PR: none.
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Originator: From the original ffitest.c */
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/* { dg-do run } */
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/* { dg-options -O2 } */
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#include "ffitest.h"
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static int checking(int a, short b, signed char c)
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{
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return (a < 0 && b < 0 && c < 0);
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}
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int main (void)
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{
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ffi_cif cif;
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ffi_type *args[MAX_ARGS];
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void *values[MAX_ARGS];
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ffi_arg rint;
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signed int si;
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signed short ss;
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signed char sc;
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args[0] = &ffi_type_sint;
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values[0] = &si;
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args[1] = &ffi_type_sshort;
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values[1] = &ss;
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args[2] = &ffi_type_schar;
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values[2] = ≻
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/* Initialize the cif */
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CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 3,
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&ffi_type_sint, args) == FFI_OK);
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si = -6;
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ss = -12;
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sc = -1;
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checking (si, ss, sc);
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ffi_call(&cif, FFI_FN(checking), &rint, values);
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printf ("%d vs %d\n", (int)rint, checking (si, ss, sc));
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CHECK(rint != 0);
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exit (0);
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}
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