gcc-4.9/gcc/testsuite/gcc.dg/torture/pr55687.c


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/* { dg-do compile } */

typedef struct _IO_FILE FILE;
typedef short gshort;
typedef struct _GString GString;

extern char *fgets(char *, int, FILE *);

void verbose_text_loop (void *data)
{
  FILE *dev_vcs;
  char buf[81];
  GString *buf_str;
  gshort i, j;
  while (1)      
    {
      for (i = 1; i <= 7; i++)
	{
	  while (fgets (buf, 81, dev_vcs))
	    {
	      for (j = 0;   j < __builtin_strlen (buf);   j++)
		if (buf[j] != ' ')    
		  break;   
	      for (;   j < __builtin_strlen (buf);   j++)
		g_string_append_c_inline (buf_str, buf[j]); 
	    }
	}
    }
}