gcc/testsuite/gcc.dg/format/gcc_diag-1.c

   1 /* Test for GCC diagnostic formats.  */
   2 /* Origin: Kaveh Ghazi <ghazi@caip.rutgers.edu> */
   3 /* { dg-do compile } */
   4 /* { dg-options "-Wformat" } */
   5
   6 #include "format.h"
   7
   8 #define ATTRIBUTE_DIAG(F) __attribute__ ((__format__ (F, 1, 2))) __attribute__ ((__nonnull__));
   9
  10 /* Magic identifiers must be set before the attribute is used.  */
  11
  12 typedef long long __gcc_host_wide_int__;
  13
  14 typedef struct location_s
  15 {
  16   const char *file;
  17   int line;
  18 } location_t;
  19
  20 union tree_node;
  21 typedef union tree_node *tree;
  22
  23 extern int diag (const char *, ...) ATTRIBUTE_DIAG(__gcc_diag__);
  24 extern int tdiag (const char *, ...) ATTRIBUTE_DIAG(__gcc_tdiag__);
  25 extern int cdiag (const char *, ...) ATTRIBUTE_DIAG(__gcc_cdiag__);
  26 extern int cxxdiag (const char *, ...) ATTRIBUTE_DIAG(__gcc_cxxdiag__);
  27 extern int dump (const char *, ...) ATTRIBUTE_DIAG(__gcc_dump_printf__);
  28
  29 void
  30 foo (int i, int i1, int i2, unsigned int u, double d, char *s, void *p,
  31      int *n, short int *hn, long int l, unsigned long int ul,
  32      long int *ln, long double ld, wint_t lc, wchar_t *ls, llong ll,
  33      ullong ull, unsigned int *un, const int *cn, signed char *ss,
  34      unsigned char *us, const signed char *css, unsigned int u1,
  35      unsigned int u2, location_t *loc, tree t1, union tree_node *t2,
  36      tree *t3, tree t4[], int *v, unsigned v_len)
  37 {
  38   /* Acceptable C90 specifiers, flags and modifiers.  */
  39   diag ("%%");
  40   tdiag ("%%");
  41   cdiag ("%%");
  42   cxxdiag ("%%");
  43   dump ("%%");
  44   diag ("%d%i%o%u%x%c%s%p%%", i, i, u, u, u, i, s, p);
  45   tdiag ("%d%i%o%u%x%c%s%p%%", i, i, u, u, u, i, s, p);
  46   cdiag ("%d%i%o%u%x%c%s%p%%", i, i, u, u, u, i, s, p);
  47   cxxdiag ("%d%i%o%u%x%c%s%p%%", i, i, u, u, u, i, s, p);
  48   dump ("%d%i%o%u%x%c%s%p%%", i, i, u, u, u, i, s, p);
  49   diag ("%qd%qi%qo%qu%qx%qc%qs%qp%<%%%'%>", i, i, u, u, u, i, s, p);
  50   tdiag ("%qd%qi%qo%qu%qx%qc%qs%qp%<%%%'%>", i, i, u, u, u, i, s, p);
  51   cdiag ("%qd%qi%qo%qu%qx%qc%qs%qp%<%%%'%>", i, i, u, u, u, i, s, p);
  52   cxxdiag ("%qd%qi%qo%qu%qx%qc%qs%qp%<%%%'%>", i, i, u, u, u, i, s, p);
  53   dump ("%qd%qi%qo%qu%qx%qc%qs%qp%<%%%'%>", i, i, u, u, u, i, s, p);
  54   diag ("%ld%li%lo%lu%lx", l, l, ul, ul, ul);
  55   tdiag ("%ld%li%lo%lu%lx", l, l, ul, ul, ul);
  56   cdiag ("%ld%li%lo%lu%lx", l, l, ul, ul, ul);
  57   cxxdiag ("%ld%li%lo%lu%lx", l, l, ul, ul, ul);
  58   dump ("%ld%li%lo%lu%lx", l, l, ul, ul, ul);
  59   diag ("%lld%lli%llo%llu%llx", ll, ll, ull, ull, ull);
  60   tdiag ("%lld%lli%llo%llu%llx", ll, ll, ull, ull, ull);
  61   cdiag ("%lld%lli%llo%llu%llx", ll, ll, ull, ull, ull);
  62   cxxdiag ("%lld%lli%llo%llu%llx", ll, ll, ull, ull, ull);
  63   dump ("%lld%lli%llo%llu%llx", ll, ll, ull, ull, ull);
  64   diag ("%wd%wi%wo%wu%wx", ll, ll, ull, ull, ull);
  65   tdiag ("%wd%wi%wo%wu%wx", ll, ll, ull, ull, ull);
  66   cdiag ("%wd%wi%wo%wu%wx", ll, ll, ull, ull, ull);
  67   cxxdiag ("%wd%wi%wo%wu%wx", ll, ll, ull, ull, ull);
  68   dump ("%wd%wi%wo%wu%wx", ll, ll, ull, ull, ull);
  69   diag ("%.*s", i, s);
  70   tdiag ("%.*s", i, s);
  71   cdiag ("%.*s", i, s);
  72   cxxdiag ("%.*s", i, s);
  73   dump ("%.*s", i, s);
  74
  75   /* Extensions provided in the diagnostic framework.  */
  76   diag ("%m");
  77   tdiag ("%m");
  78   cdiag ("%m");
  79   cxxdiag ("%m");
  80   dump ("%m");
  81
  82   /* Quote directives to avoid "warning: conversion used unquoted." */
  83   tdiag ("%<%D%F%T%V%>", t1, t1, t1, t1);
  84   tdiag ("%<%+D%+F%+T%+V%>", t1, t1, t1, t1);
  85   tdiag ("%q+D%q+F%q+T%q+V", t1, t1, t1, t1);
  86   tdiag ("%<%D%D%D%D%>", t1, t2, *t3, t4[5]);
  87   cdiag ("%<%D%F%T%V%>", t1, t1, t1, t1);
  88   cdiag ("%<%+D%+F%+T%+V%>", t1, t1, t1, t1);
  89   cdiag ("%q+D%q+F%q+T%q+V", t1, t1, t1, t1);
  90   cdiag ("%<%D%D%D%D%>", t1, t2, *t3, t4[5]);
  91   cdiag ("%<%E%>", t1);
  92   cxxdiag ("%<%A%D%E%F%T%V%>", t1, t1, t1, t1, t1, t1);
  93   cxxdiag ("%<%D%D%D%D%>", t1, t2, *t3, t4[5]);
  94   cxxdiag ("%<%#A%#D%#E%#F%#T%#V%>", t1, t1, t1, t1, t1, t1);
  95   cxxdiag ("%<%+A%+D%+E%+F%+T%+V%>", t1, t1, t1, t1, t1, t1);
  96   cxxdiag ("%<%+#A%+#D%+#E%+#F%+#T%+#V%>", t1, t1, t1, t1, t1, t1);
  97   cxxdiag ("%C%L%O%P%Q", i, i, i, i, i);
  98
  99   tdiag ("%v", i); /* { dg-warning "format" } */
 100   cdiag ("%v%qv%#v", i, i, i);
 101   cxxdiag ("%v", i); /* { dg-warning "format" } */
 102
 103   tdiag ("%Z", v, v_len);
 104   cdiag ("%Z", v, v_len);
 105   cxxdiag ("%Z", v, v_len);
 106   dump ("%Z", v, v_len);
 107
 108   /* Bad stuff with extensions.  */
 109   diag ("%m", i); /* { dg-warning "format" "extra arg" } */
 110   tdiag ("%m", i); /* { dg-warning "format" "extra arg" } */
 111   cdiag ("%m", i); /* { dg-warning "format" "extra arg" } */
 112   cxxdiag ("%m", i); /* { dg-warning "format" "extra arg" } */
 113   dump ("%m", i); /* { dg-warning "format" "extra arg" } */
 114   diag ("%#m"); /* { dg-warning "format" "bogus modifier" } */
 115   tdiag ("%#m"); /* { dg-warning "format" "bogus modifier" } */
 116   cdiag ("%#m"); /* { dg-warning "format" "bogus modifier" } */
 117   cxxdiag ("%#m"); /* { dg-warning "format" "bogus modifier" } */
 118   dump ("%#m"); /* { dg-warning "format" "bogus modifier" } */
 119   diag ("%+m"); /* { dg-warning "format" "bogus modifier" } */
 120   tdiag ("%+m"); /* { dg-warning "format" "bogus modifier" } */
 121   cdiag ("%+m"); /* { dg-warning "format" "bogus modifier" } */
 122   cxxdiag ("%+m"); /* { dg-warning "format" "bogus modifier" } */
 123   dump ("%+m"); /* { dg-warning "format" "bogus modifier" } */
 124   diag ("%D", t1); /* { dg-warning "format" "bogus tree" } */
 125   tdiag ("%A", t1); /* { dg-warning "format" "bogus tree" } */
 126   tdiag ("%E", t1);
 127   tdiag ("%#D", t1); /* { dg-warning "format" "bogus modifier" } */
 128   cdiag ("%A", t1); /* { dg-warning "format" "bogus tree" } */
 129   cdiag ("%#D", t1); /* { dg-warning "format" "bogus modifier" } */
 130   cdiag ("%<%+D%>", t1);
 131   cxxdiag ("%C"); /* { dg-warning "format" "missing arg" } */
 132   cxxdiag ("%C", l); /* { dg-warning "format" "wrong arg" } */
 133   cxxdiag ("%C", i, i); /* { dg-warning "format" "extra arg" } */
 134   cxxdiag ("%#C", i); /* { dg-warning "format" "bogus modifier" } */
 135   cxxdiag ("%+C", i); /* { dg-warning "format" "bogus modifier" } */
 136   tdiag ("%D"); /* { dg-warning "format" "missing arg" } */
 137   cdiag ("%D"); /* { dg-warning "format" "missing arg" } */
 138   cxxdiag ("%D"); /* { dg-warning "format" "missing arg" } */
 139   tdiag ("%D", i); /* { dg-warning "format" "wrong arg" } */
 140   cdiag ("%D", i); /* { dg-warning "format" "wrong arg" } */
 141   cxxdiag ("%D", i); /* { dg-warning "format" "wrong arg" } */
 142   tdiag ("%D", t1, t1); /* { dg-warning "format" "extra arg" } */
 143   cdiag ("%D", t1, t1); /* { dg-warning "format" "extra arg" } */
 144   cxxdiag ("%D", t1, t1); /* { dg-warning "format" "extra arg" } */
 145
 146   tdiag ("%V", i); /* { dg-warning "format" "wrong arg" } */
 147   cdiag ("%V", i); /* { dg-warning "format" "wrong arg" } */
 148   cxxdiag ("%V", i); /* { dg-warning "format" "wrong arg" } */
 149
 150   tdiag ("%v", t1); /* { dg-warning "format" "wrong arg" } */
 151   cdiag ("%v", t1); /* { dg-warning "format" "wrong arg" } */
 152   cxxdiag ("%v", t1); /* { dg-warning "format" "wrong arg" } */
 153
 154   tdiag ("%Z"); /* { dg-warning "format" "missing arg" } */
 155   tdiag ("%Z", t1); /* { dg-warning "format" "wrong arg" } */
 156
 157   /* Standard specifiers not accepted in the diagnostic framework.  */
 158   diag ("%X\n", u); /* { dg-warning "format" "HEX" } */
 159   diag ("%f\n", d); /* { dg-warning "format" "float" } */
 160   diag ("%e\n", d); /* { dg-warning "format" "float" } */
 161   diag ("%E\n", d); /* { dg-warning "format" "float" } */
 162   diag ("%g\n", d); /* { dg-warning "format" "float" } */
 163   diag ("%G\n", d); /* { dg-warning "format" "float" } */
 164   diag ("%n\n", n); /* { dg-warning "format" "counter" } */
 165   diag ("%hd\n", i); /* { dg-warning "format" "conversion" } */
 166
 167   /* Various tests of bad argument types.  */
 168   diag ("%-d", i); /* { dg-warning "format" "bad flag" } */
 169   tdiag ("%-d", i); /* { dg-warning "format" "bad flag" } */
 170   cdiag ("%-d", i); /* { dg-warning "format" "bad flag" } */
 171   cxxdiag ("%-d", i); /* { dg-warning "format" "bad flag" } */
 172   diag ("% d", i); /* { dg-warning "format" "bad flag" } */
 173   tdiag ("% d", i); /* { dg-warning "format" "bad flag" } */
 174   cdiag ("% d", i); /* { dg-warning "format" "bad flag" } */
 175   cxxdiag ("% d", i); /* { dg-warning "format" "bad flag" } */
 176   diag ("%#o", u); /* { dg-warning "format" "bad flag" } */
 177   tdiag ("%#o", u); /* { dg-warning "format" "bad flag" } */
 178   cdiag ("%#o", u); /* { dg-warning "format" "bad flag" } */
 179   cxxdiag ("%#o", u); /* { dg-warning "format" "bad flag" } */
 180   diag ("%0d", i); /* { dg-warning "format" "bad flag" } */
 181   tdiag ("%0d", i); /* { dg-warning "format" "bad flag" } */
 182   cdiag ("%0d", i); /* { dg-warning "format" "bad flag" } */
 183   cxxdiag ("%0d", i); /* { dg-warning "format" "bad flag" } */
 184   diag ("%08d", i); /* { dg-warning "format" "bad flag" } */
 185   tdiag ("%08d", i); /* { dg-warning "format" "bad flag" } */
 186   cdiag ("%08d", i); /* { dg-warning "format" "bad flag" } */
 187   cxxdiag ("%08d", i); /* { dg-warning "format" "bad flag" } */
 188   diag ("%+d\n", i); /* { dg-warning "format" "bad flag" } */
 189   tdiag ("%+d\n", i); /* { dg-warning "format" "bad flag" } */
 190   cdiag ("%+d\n", i); /* { dg-warning "format" "bad flag" } */
 191   cxxdiag ("%+d\n", i); /* { dg-warning "format" "bad flag" } */
 192   diag ("%3d\n", i); /* { dg-warning "format" "bad flag" } */
 193   tdiag ("%3d\n", i); /* { dg-warning "format" "bad flag" } */
 194   cdiag ("%3d\n", i); /* { dg-warning "format" "bad flag" } */
 195   cxxdiag ("%3d\n", i); /* { dg-warning "format" "bad flag" } */
 196   diag ("%-3d\n", i); /* { dg-warning "format" "bad flag" } */
 197   tdiag ("%-3d\n", i); /* { dg-warning "format" "bad flag" } */
 198   cdiag ("%-3d\n", i); /* { dg-warning "format" "bad flag" } */
 199   cxxdiag ("%-3d\n", i); /* { dg-warning "format" "bad flag" } */
 200   diag ("%.7d\n", i); /* { dg-warning "format" "bad flag" } */
 201   tdiag ("%.7d\n", i); /* { dg-warning "format" "bad flag" } */
 202   cdiag ("%.7d\n", i); /* { dg-warning "format" "bad flag" } */
 203   cxxdiag ("%.7d\n", i); /* { dg-warning "format" "bad flag" } */
 204   diag ("%+9.4d\n", i); /* { dg-warning "format" "bad flag" } */
 205   tdiag ("%+9.4d\n", i); /* { dg-warning "format" "bad flag" } */
 206   cdiag ("%+9.4d\n", i); /* { dg-warning "format" "bad flag" } */
 207   cxxdiag ("%+9.4d\n", i); /* { dg-warning "format" "bad flag" } */
 208   diag ("%.3ld\n", l); /* { dg-warning "format" "bad flag" } */
 209   tdiag ("%.3ld\n", l); /* { dg-warning "format" "bad flag" } */
 210   cdiag ("%.3ld\n", l); /* { dg-warning "format" "bad flag" } */
 211   cxxdiag ("%.3ld\n", l); /* { dg-warning "format" "bad flag" } */
 212   diag ("%d %lu\n", i, ul);
 213   diag ("%d", l); /* { dg-warning "format" "bad argument types" } */
 214   diag ("%wd", l); /* { dg-warning "format" "bad argument types" } */
 215   diag ("%d", ll); /* { dg-warning "format" "bad argument types" } */
 216   diag ("%*s", i, s); /* { dg-warning "format" "bad * argument types" } */
 217   diag ("%*.*s", i, i, s); /* { dg-warning "format" "bad * argument types" } */
 218   diag ("%*d\n", i1, i); /* { dg-warning "format" "bad * argument types" } */
 219   diag ("%.*d\n", i2, i); /* { dg-warning "format" "bad * argument types" } */
 220   diag ("%*.*ld\n", i1, i2, l); /* { dg-warning "format" "bad * argument types" } */
 221   diag ("%ld", i); /* { dg-warning "format" "bad argument types" } */
 222   diag ("%s", n); /* { dg-warning "format" "bad argument types" } */
 223
 224   /* Wrong number of arguments.  */
 225   diag ("%d%d", i); /* { dg-warning "matching" "wrong number of args" } */
 226   diag ("%d", i, i); /* { dg-warning "arguments" "wrong number of args" } */
 227   /* Miscellaneous bogus constructions.  */
 228   diag (""); /* { dg-warning "zero-length" "warning for empty format" } */
 229   diag ("\0"); /* { dg-warning "embedded" "warning for embedded NUL" } */
 230   diag ("%d\0", i); /* { dg-warning "embedded" "warning for embedded NUL" } */
 231   diag ("%d\0%d", i, i); /* { dg-warning "embedded|too many" "warning for embedded NUL" } */
 232   diag (NULL); /* { dg-warning "null" "null format string warning" } */
 233   diag ("%"); /* { dg-warning "trailing" "trailing % warning" } */
 234   diag ((const char *)L"foo"); /* { dg-warning "wide" "wide string" } */
 235   diag ("%s", (char *)0); /* { dg-warning "null" "%s with NULL" } */
 236
 237   /* Make sure we still get warnings for regular printf.  */
 238   printf ("%d\n", ll); /* { dg-warning "format" "bad argument types" } */
 239 }