/* Copyright (C) 2001 Free Software Foundation. Ensure all expected transformations of builtin fprintf occur and that we honor side effects in the arguments. Written by Kaveh R. Ghazi, 1/7/2001. */ #include extern int fprintf_unlocked (FILE *, const char *, ...); extern void abort(void); void main_test (void) { FILE *s_array[] = {stdout, NULL}, **s_ptr = s_array; const char *const s1 = "hello world"; const char *const s2[] = { s1, 0 }, *const*s3; fprintf (*s_ptr, ""); fprintf (*s_ptr, "%s", ""); fprintf (*s_ptr, "%s", "hello"); fprintf (*s_ptr, "%s", "\n"); fprintf (*s_ptr, "%s", *s2); s3 = s2; fprintf (*s_ptr, "%s", *s3++); if (s3 != s2+1 || *s3 != 0) abort(); s3 = s2; fprintf (*s_ptr++, "%s", *s3++); if (s3 != s2+1 || *s3 != 0 || s_ptr != s_array+1 || *s_ptr != 0) abort(); s_ptr = s_array; fprintf (*s_ptr, "%c", '\n'); fprintf (*s_ptr, "%c", **s2); s3 = s2; fprintf (*s_ptr, "%c", **s3++); if (s3 != s2+1 || *s3 != 0) abort(); s3 = s2; fprintf (*s_ptr++, "%c", **s3++); if (s3 != s2+1 || *s3 != 0 || s_ptr != s_array+1 || *s_ptr != 0) abort(); s_ptr = s_array; fprintf (*s_ptr++, "hello world"); if (s_ptr != s_array+1 || *s_ptr != 0) abort(); s_ptr = s_array; fprintf (*s_ptr, "\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_fprintf (*s_ptr, "%s", "hello world\n"); /* Check the unlocked style, these evaluate to nothing to avoid problems on systems without the unlocked functions. */ fprintf_unlocked (*s_ptr, ""); __builtin_fprintf_unlocked (*s_ptr, ""); fprintf_unlocked (*s_ptr, "%s", ""); __builtin_fprintf_unlocked (*s_ptr, "%s", ""); }
