1  /* Test for strfmon format checking.  */
       2  /* Origin: Joseph Myers <jsm28@cam.ac.uk> */
       3  /* { dg-do compile } */
       4  /* { dg-options "-std=gnu99 -Wformat" } */
       5  
       6  #include "format.h"
       7  
       8  void
       9  foo (char *s, size_t m, double d, long double ld)
      10  {
      11    /* Examples of valid formats from Austin Group draft 7.  */
      12    strfmon (s, m, "%n", d);
      13    strfmon (s, m, "%11n", d);
      14    strfmon (s, m, "%#5n", d);
      15    strfmon (s, m, "%=*#5n", d);
      16    strfmon (s, m, "%=0#5n", d);
      17    strfmon (s, m, "%^#5n", d);
      18    strfmon (s, m, "%^#5.0n", d);
      19    strfmon (s, m, "%^#5.4n", d);
      20    strfmon (s, m, "%(#5n", d);
      21    strfmon (s, m, "%!(#5n", d);
      22    strfmon (s, m, "%-14#5.4n", d);
      23    strfmon (s, m, "%14#5.4n", d);
      24    /* Some more valid formats, including the GNU L length extension.  */
      25    strfmon (s, m, "abc%-11ndef%==i%%", d, d);
      26    strfmon (s, m, "%%abc%-11ndef%==Li%=%i", d, ld, d);
      27    strfmon (s, m, "%Li", ld);
      28    strfmon (s, m, "%11Li", ld);
      29    strfmon (s, m, "%#5Li", ld);
      30    strfmon (s, m, "%=*#5Li", ld);
      31    strfmon (s, m, "%=0#5Li", ld);
      32    strfmon (s, m, "%^#5Li", ld);
      33    strfmon (s, m, "%^#5.0Li", ld);
      34    strfmon (s, m, "%^#5.4Li", ld);
      35    strfmon (s, m, "%(#5Li", ld);
      36    strfmon (s, m, "%!(#5Li", ld);
      37    strfmon (s, m, "%-14#5.4Li", ld);
      38    strfmon (s, m, "%14#5.4Li", ld);
      39    /* Formats with the wrong types used.  */
      40    strfmon (s, m, "%Ln", d); /* { dg-warning "format" "wrong type" } */
      41    strfmon (s, m, "%n", ld); /* { dg-warning "format" "wrong type" } */
      42    /* The + and ( flags cannot be used together.  */
      43    strfmon (s, m, "%+(i", d); /* { dg-warning "flag" "+ and ( flags" } */
      44    strfmon (s, m, "%(+i", d); /* { dg-warning "flag" "+ and ( flags" } */
      45    /* Although empty precision is OK for printf, it isn't here.  */
      46    strfmon (s, m, "%#.5n", d); /* { dg-warning "empty" "empty left precision" } */
      47    strfmon (s, m, "%#5.n", d); /* { dg-warning "empty" "empty right precision" } */
      48    /* However, zero is a valid value for width and precisions.  */
      49    strfmon (s, m, "%0#0.0n", d);
      50    /* Test bogus %% constructions.  */
      51    strfmon (s, m, "%^%"); /* { dg-warning "format" "bogus %%" } */
      52    strfmon (s, m, "%!%\n"); /* { dg-warning "format" "bogus %%" } */
      53    strfmon (s, m, "%5%\n"); /* { dg-warning "format" "bogus %%" } */
      54    strfmon (s, m, "%.5%\n"); /* { dg-warning "format" "bogus %%" } */
      55    strfmon (s, m, "%#5%\n"); /* { dg-warning "format" "bogus %%" } */
      56    /* Miscellaneous bogus formats.  */
      57    strfmon (s, m, "%n%n", d); /* { dg-warning "matching" "too few args" } */
      58    strfmon (s, m, ""); /* { dg-warning "zero-length" "empty" } */
      59    strfmon (s, m, NULL); /* { dg-warning "null" "null format string" } */
      60    strfmon (s, m, "%"); /* { dg-warning "trailing" "trailing %" } */
      61    strfmon (s, m, "%n\0", d); /* { dg-warning "embedded" "embedded NUL" } */
      62    strfmon (s, m, "%^^n", d); /* { dg-warning "repeated" "repeated flag" } */
      63  }