Viewing file:  strify2.c (1.42 KB) -rw-r--r--
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/* Copyright (C) 2000 Free Software Foundation, Inc. */
/* { dg-do run } */
/* { dg-options "-std=c99 -pedantic-errors" } */
/* Tests a whole bunch of things are correctly stringified. */
extern int strcmp (const char *, const char *);
extern int puts (const char *);
extern void abort (void);
#define err(str) do { puts(str); abort(); } while (0)
#define str(x) #x
#define xstr(x) str(x)
#define strvar(...) #__VA_ARGS__
#define glibc_str(x) glibc_str2 (w, x)
#define glibc_str2(w, x) #x
#define ver GLIBC_2.2
int main (int argc, char *argv[])
{
str (\); /* { dg-warning "valid string" "str(\\)" } */
str (\\); /* OK. */
str (\\\); /* { dg-warning "valid string" "str(\\\\\\)" } */
/* This also serves as a useful test of the value of __INCLUDE_LEVEL. */
if (strcmp (xstr (__INCLUDE_LEVEL__), "0"))
err ("macro expansion");
if (strcmp(str (__INCLUDE_LEVEL__), "__INCLUDE_LEVEL__"))
err ("macro name");
if (strcmp(str(), "") || strcmp(str( ), ""))
err ("empty string");
if (strcmp(str ("s\n"), "\"s\\n\""))
err ("quoted string");
if (strcmp (str (a € b), "a \200 b"))
err ("unprintable char");
if (strcmp (str ( a b@ c ), "a b@ c"))
err ("internal whitespace");
if (strcmp (str(a \n), "a \n"))
err ("backslash token");
if (strcmp (strvar (foo, bar), "foo, bar"))
err ("variable arguments");
if (strcmp (glibc_str (ver), "GLIBC_2.2"))
err ("whitespace");
return 0;
}
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