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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [uninit-6.c] - Rev 301
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/* Spurious uninitialized variable warnings. This one inspired by java/class.c:build_utf8_ref. */ /* { dg-do compile } */ /* { dg-options "-O -Wuninitialized" } */ #include <stddef.h> struct tree { struct tree *car; struct tree *cdr; int type, data; }; extern void *malloc(size_t); #define INTEGER_T 1 #define PTR_T 2 #define APPEND(TREE, LAST, TYPE, VALUE) \ do { \ struct tree *tmp = malloc (sizeof (struct tree)); \ tmp->car = 0; tmp->cdr = 0; tmp->type = TYPE; \ tmp->data = VALUE; \ if (TREE->car) \ LAST->cdr = tmp; \ else \ TREE->car = tmp; \ LAST = tmp; \ } while(0) struct tree * make_something(int a, int b, int c) { struct tree *rv; struct tree *field; rv = malloc (sizeof (struct tree)); rv->car = 0; APPEND(rv, field, INTEGER_T, a); /* { dg-bogus "field" "uninitialized variable warning" } */ APPEND(rv, field, PTR_T, b); APPEND(rv, field, INTEGER_T, c); return rv; }
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