C++ (Cpp) fuc示例

示例#1

文件： utf-cvt.C 项目： MaxKellermann/gcc

void m(char16_t c0, char32_t c1)
{
    f_c (c0);	/* { dg-warning "conversion from .char16_t. to .char. may change value" } */
    fsc (c0);	/* { dg-warning "change value" } */
    fuc (c0);	/* { dg-warning "change value" } */
    f_s (c0);	/* { dg-warning "change the sign" } */
    fss (c0);	/* { dg-warning "change the sign" } */
    fus (c0);
    f_i (c0);
    fsi (c0);
    fui (c0);
    f_l (c0);
    fsl (c0);
    ful (c0);
    f_ll (c0);
    fsll (c0);
    full (c0);

    f_c (c1);	/* { dg-warning "change value" } */
    fsc (c1);	/* { dg-warning "change value" } */
    fuc (c1);	/* { dg-warning "change value" } */
    f_s (c1);	/* { dg-warning "change value" } */
    fss (c1);	/* { dg-warning "change value" } */
    fus (c1);	/* { dg-warning "change value" } */
    f_i (c1);	/* { dg-warning "change the sign" } */
    fsi (c1);	/* { dg-warning "change the sign" } */
    fui (c1);
    f_l (c1);	/* { dg-warning "change the sign" "" { target { llp64 || ilp32 } } } */
    fsl (c1);	/* { dg-warning "change the sign" "" { target { llp64 || ilp32 } } } */
    ful (c1);
    f_ll (c1);
    fsll (c1);
    full (c1);
}

示例#2

文件： utf-cvt.c 项目： Akheon23/chromecast-mirrored-source.toolchain

void m (char16_t c0, char32_t c1)
{
    f_c (c0);	/* { dg-warning "alter its value" } */
    fsc (c0);	/* { dg-warning "alter its value" } */
    fuc (c0);	/* { dg-warning "alter its value" } */
    f_s (c0);	/* { dg-warning "change the sign" } */
    fss (c0);	/* { dg-warning "change the sign" } */
    fus (c0);
    f_i (c0);
    fsi (c0);
    fui (c0);
    f_l (c0);
    fsl (c0);
    ful (c0);
    f_ll (c0);
    fsll (c0);
    full (c0);

    f_c (c1);	/* { dg-warning "alter its value" } */
    fsc (c1);	/* { dg-warning "alter its value" } */
    fuc (c1);	/* { dg-warning "alter its value" } */
    f_s (c1);	/* { dg-warning "alter its value" } */
    fss (c1);	/* { dg-warning "alter its value" } */
    fus (c1);	/* { dg-warning "alter its value" } */
    f_i (c1);	/* { dg-warning "change the sign" "" { target { ! int16 } } } */
    fsi (c1);	/* { dg-warning "change the sign" "" { target { ! int16 } } } */
    fui (c1);
    f_l (c1);	/* { dg-warning "change the sign" "" { target { llp64 || ilp32 } } } */
    fsl (c1);	/* { dg-warning "change the sign" "" { target { llp64 || ilp32 } } } */
    ful (c1);
    f_ll (c1);
    fsll (c1);
    full (c1);
}

示例#3

文件： overflow-warn-1.C 项目： AHelper/gcc

void
h2 (void)
{
  fsc (SCHAR_MAX + 1);
  fsc (SCHAR_MIN - 1); /* { dg-warning "overflow in implicit constant conversion" } */
  fsc (UCHAR_MAX);
  fsc (UCHAR_MAX + 1); /* { dg-warning "overflow in implicit constant conversion" } */
  fuc (-1);
  fuc (UCHAR_MAX + 1); /* { dg-warning "large integer implicitly truncated to unsigned type" } */
  fuc (SCHAR_MIN);
  fuc (SCHAR_MIN - 1); /* { dg-warning "large integer implicitly truncated to unsigned type" } */
  fuc (-UCHAR_MAX); /* { dg-warning "large integer implicitly truncated to unsigned type" } */
}

示例#4

文件： overflow-warn-3.C 项目： MaxKellermann/gcc

void
h2 (void)
{
  fsc (SCHAR_MAX + 1); /* { dg-warning "overflow in conversion from .int. to .signed char. changes value" } */
  fsc (SCHAR_MIN - 1); /* { dg-warning "overflow in conversion from .int. to .signed char. changes value" } */
  fsc (UCHAR_MAX); /* { dg-warning "overflow in conversion from .int. to .signed char. changes value" } */
  fsc (UCHAR_MAX + 1); /* { dg-warning "overflow in conversion from .int. to .signed char. changes value" } */
  fuc (-1);
  fuc (UCHAR_MAX + 1); /* { dg-warning "unsigned conversion from .int. to .unsigned char. changes value" } */
  fuc (SCHAR_MIN);
  fuc (SCHAR_MIN - 1); /* { dg-warning "unsigned conversion from .int. to .unsigned char. changes value" } */
  fuc (-UCHAR_MAX); /* { dg-warning "unsigned conversion from .int. to .unsigned char. changes value" } */
}

示例#5

文件： static.c 项目： Jitendra-khasdev/Intellect

int main()
{
char *ptr;
ptr=fuc();

printf("%s",ptr);

return 0;
}

示例#6

文件： overflow-warn-2.c 项目： 5432935/crossbridge

void
h2 (void)
{
  fsc (SCHAR_MAX + 1);
  /* { dg-warning "warning: passing argument 1 of 'fsc' with different width due to prototype" "-Wconversion" { target *-*-* } 84 } */
  fsc (SCHAR_MIN - 1); /* { dg-warning "warning: overflow in implicit constant conversion" } */
  /* { dg-warning "warning: passing argument 1 of 'fsc' with different width due to prototype" "-Wconversion" { target *-*-* } 86 } */
  fsc (UCHAR_MAX);
  /* { dg-warning "warning: passing argument 1 of 'fsc' with different width due to prototype" "-Wconversion" { target *-*-* } 88 } */
  fsc (UCHAR_MAX + 1); /* { dg-warning "warning: overflow in implicit constant conversion" } */
  /* { dg-warning "warning: passing argument 1 of 'fsc' with different width due to prototype" "-Wconversion" { target *-*-* } 90 } */
  fuc (-1); /* { dg-warning "warning: negative integer implicitly converted to unsigned type" } */
  /* { dg-warning "warning: passing argument 1 of 'fuc' with different width due to prototype" "-Wconversion" { target *-*-* } 92 } */
  fuc (UCHAR_MAX + 1); /* { dg-warning "warning: large integer implicitly truncated to unsigned type" } */
  /* { dg-warning "warning: passing argument 1 of 'fuc' with different width due to prototype" "-Wconversion" { target *-*-* } 94 } */
  fuc (SCHAR_MIN); /* { dg-warning "warning: negative integer implicitly converted to unsigned type" } */
  /* { dg-warning "warning: passing argument 1 of 'fuc' with different width due to prototype" "-Wconversion" { target *-*-* } 96 } */
  fuc (SCHAR_MIN - 1); /* { dg-warning "warning: large integer implicitly truncated to unsigned type" } */
  /* { dg-warning "warning: passing argument 1 of 'fuc' with different width due to prototype" "-Wconversion" { target *-*-* } 98 } */
  fuc (-UCHAR_MAX); /* { dg-warning "warning: large integer implicitly truncated to unsigned type" } */
  /* { dg-warning "warning: passing argument 1 of 'fuc' with different width due to prototype" "-Wconversion" { target *-*-* } 100 } */
}

示例#7

文件： main.c 项目： Tojaraliu/CSCI4061-Introduction-to-Operating-Systems

int main() {
	fuc() ;
	printf("Testing...\n") ;
	return 0 ;
}

示例#8

文件： Wsign-conversion.c 项目： MaxKellermann/gcc

void h (int x)
{
  unsigned int ui = 3;
  int   si = 3;
  unsigned char uc = 3;
  signed char   sc = 3;

  uc = ui; 
  uc = si; 
  sc = ui; 
  sc = si; 
  fuc (ui);
  fuc (si);
  fsc (ui);
  fsc (si);

  fsi (si);
  fui (ui);
  fsi (uc);
  si = uc;
  fui (uc);
  ui = uc;
  fui ('A');
  ui = 'A';
  fsi ('A');
  si = 'A';
  fuc ('A');
  uc = 'A';

  uc = x ? 1U : -1; /* { dg-warning "unsigned conversion from .int. to .unsigned int. changes value from .-1. to .\[0-9\]+." } */
  uc = x ? SCHAR_MIN : 1U;  /* { dg-warning "unsigned conversion from .int. to .unsigned int. changes value from .-\[0-9\]+. to .\[0-9\]+." } */
  uc = x ? 1 : -1; /* { dg-warning "unsigned conversion from .int. to .unsigned char. changes the value of .-1." } */
  uc = x ? SCHAR_MIN : 1; /* { dg-warning "unsigned conversion from .int. to .unsigned char. changes the value of .-\[0-9\]+." } */
  ui = x ? 1U : -1; /* { dg-warning "unsigned conversion from .int. to .unsigned int. changes value from .-1. to .\[0-9\]+." } */
  ui = x ? INT_MIN : 1U; /* { dg-warning "unsigned conversion from .int. to .unsigned int. changes value from .-\[0-9\]+. to .\[0-9\]+." } */
  ui = ui ? SCHAR_MIN : 1U; /* { dg-warning "unsigned conversion from .int. to .unsigned int. changes value " } */
  ui = 1U * -1; /* { dg-warning "unsigned conversion from .int. to .unsigned int. changes value " } */
  ui = ui + INT_MIN; /* { dg-warning "unsigned conversion from .int. to .unsigned int. changes value " } */
  ui = x ? 1 : -1; /* { dg-warning "unsigned conversion from .int. to .unsigned int. changes the value of .-1." } */
  ui = ui ? SCHAR_MIN : 1; /* { dg-warning "unsigned conversion from .int. to .unsigned int. changes the value of " } */

  fuc (-1); /* { dg-warning "unsigned conversion" } */
  uc = -1;  /* { dg-warning "unsigned conversion" } */
  fui (-1); /* { dg-warning "unsigned conversion" } */
  ui = -1; /* { dg-warning "unsigned conversion" } */
  fuc ('\xa0'); /* { dg-warning "unsigned conversion" } */
  uc = '\xa0'; /* { dg-warning "unsigned conversion" } */
  fui ('\xa0');/* { dg-warning "unsigned conversion" } */
  ui = '\xa0'; /* { dg-warning "unsigned conversion" } */
  fsi (0x80000000); /* { dg-warning "signed conversion" } */
  si = 0x80000000;  /* { dg-warning "signed conversion" } */


  fsi (UINT_MAX - 1);  /* { dg-warning "conversion" } */
  si = UINT_MAX - 1;   /* { dg-warning "conversion" } */
  fsi (UINT_MAX - 1U); /* { dg-warning "conversion" } */
  si = UINT_MAX - 1U;  /* { dg-warning "conversion" } */
  fsi (UINT_MAX/3U);
  si = UINT_MAX/3U;
  fsi (UINT_MAX/3);
  si = UINT_MAX/3;
  fui (UINT_MAX - 1);
  ui = UINT_MAX - 1;

  uc = (unsigned char) -1;
  ui = -1 * (1 * -1);
  ui = (unsigned) -1;

  fsc (uc); /* { dg-warning "conversion" } */
  sc = uc;  /* { dg-warning "conversion" } */
  fuc (sc); /* { dg-warning "conversion" } */
  uc = sc;  /* { dg-warning "conversion" } */
  fsi (ui); /* { dg-warning "conversion" } */
  si = ui;  /* { dg-warning "conversion" } */
  fui (si); /* { dg-warning "conversion" } */
  ui = si;  /* { dg-warning "conversion" } */
  fui (sc); /* { dg-warning "conversion" } */
  ui = sc;  /* { dg-warning "conversion" } */
}

示例#9

文件： Wconversion-integer.C 项目： 0day-ci/gcc

void h (int x)
{
  unsigned int ui = 3;
  int   si = 3;
  unsigned char uc = 3;
  signed char   sc = 3;

  uc = ui; /* { dg-warning "conversion" } */
  uc = si; /* { dg-warning "conversion" } */
  sc = ui; /* { dg-warning "conversion" } */
  sc = si; /* { dg-warning "conversion" } */
  fuc (ui); /* { dg-warning "conversion" } */
  fuc (si); /* { dg-warning "conversion" } */
  fsc (ui); /* { dg-warning "conversion" } */
  fsc (si); /* { dg-warning "conversion" } */

  fsi (si);
  fui (ui);
  fsi (uc);
  si = uc;
  fui (uc);
  ui = uc;
  fui ('A');
  ui = 'A';
  fsi ('A');
  si = 'A';
  fuc ('A');
  uc = 'A';

  uc = x ? 1U : -1; /* { dg-warning "conversion" } */
  uc = x ? SCHAR_MIN : 1U; /* { dg-warning "conversion" } */
  uc = x ? 1 : -1; /* Warned by -Wsign-conversion.  */
  uc = x ? SCHAR_MIN : 1; /* Warned by -Wsign-conversion.  */
  ui = x ? 1U : -1; /* Warned by -Wsign-conversion.  */
  ui = x ? INT_MIN : 1U; /* Warned by -Wsign-conversion.  */
  ui = ui ? SCHAR_MIN : 1U; /* Warned by -Wsign-conversion.  */
  ui = 1U * -1; /* Warned by -Wsign-conversion.  */
  ui = ui + INT_MIN; /* Warned by -Wsign-conversion.  */
  ui = x ? 1 : -1; /* Warned by -Wsign-conversion.  */
  ui = ui ? SCHAR_MIN : 1; /* Warned by -Wsign-conversion.  */

  fuc (-1); /* Warned by -Wsign-conversion.  */
  uc = -1; /* Warned by -Wsign-conversion.  */
  fui (-1); /* Warned by -Wsign-conversion.  */
  ui = -1; /* Warned by -Wsign-conversion.  */
  fuc ('\xa0'); /* Warned by -Wsign-conversion.  */
  uc = '\xa0'; /* Warned by -Wsign-conversion.  */
  fui ('\xa0'); /* Warned by -Wsign-conversion.  */
  ui = '\xa0';  /* Warned by -Wsign-conversion.  */
  fsi (0x80000000); /* Warned by -Wsign-conversion.  */
  si = 0x80000000;  /* Warned by -Wsign-conversion.  */


  fsi (UINT_MAX - 1);  /* Warned by -Wsign-conversion.  */
  si = UINT_MAX - 1;   /* Warned by -Wsign-conversion.  */
  fsi (UINT_MAX - 1U); /* Warned by -Wsign-conversion.  */
  si = UINT_MAX - 1U;  /* Warned by -Wsign-conversion.  */
  fsi (UINT_MAX/3U);
  si = UINT_MAX/3U;
  fsi (UINT_MAX/3);
  si = UINT_MAX/3;
  fui (UINT_MAX - 1);
  ui = UINT_MAX - 1;

  uc = (unsigned char) -1;
  ui = -1 * (1 * -1);
  ui = (unsigned) -1;

  fsc (uc); /* Warned by -Wsign-conversion.  */
  sc = uc;  /* Warned by -Wsign-conversion.  */
  fuc (sc); /* Warned by -Wsign-conversion.  */
  uc = sc;  /* Warned by -Wsign-conversion.  */
  fsi (ui); /* Warned by -Wsign-conversion.  */
  si = ui;  /* Warned by -Wsign-conversion.  */
  fui (si); /* Warned by -Wsign-conversion.  */ 
  ui = si;  /* Warned by -Wsign-conversion.  */ 
  fui (sc); /* Warned by -Wsign-conversion.  */
  ui = sc;  /* Warned by -Wsign-conversion.  */
}