/* Copyright (C) 2000 Free Software Foundation. Ensure all expected transformations of builtin printf occur and that we honor side effects in the arguments. Written by Kaveh R. Ghazi, 12/4/2000. */ extern int printf (const char *, ...); extern int printf_unlocked (const char *, ...); extern void abort(void); void main_test (void) { const char *const s1 = "hello world"; const char *const s2[] = { s1, 0 }, *const*s3; printf ("%s\n", "hello"); printf ("%s\n", *s2); s3 = s2; printf ("%s\n", *s3++); if (s3 != s2+1 || *s3 != 0) abort(); printf ("%c", '\n'); printf ("%c", **s2); s3 = s2; printf ("%c", **s3++); if (s3 != s2+1 || *s3 != 0) abort(); printf (""); printf ("%s", ""); printf ("\n"); printf ("%s", "\n"); printf ("hello world\n"); printf ("%s", "hello world\n"); /* Test at least one instance of the __builtin_ style. We do this to ensure that it works and that the prototype is correct. */ __builtin_printf ("%s\n", "hello"); /* These builtin stubs are called by __builtin_printf, ensure their prototypes are set correctly too. */ __builtin_putchar ('\n'); __builtin_puts ("hello"); /* Check the unlocked style, these evaluate to nothing to avoid problems on systems without the unlocked functions. */ printf_unlocked (""); __builtin_printf_unlocked (""); printf_unlocked ("%s", ""); __builtin_printf_unlocked ("%s", ""); }
