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compiler/tasking: fix unreachable code on tasking toolchain

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ctc W544: ["serial/serial.c" 284/3] unreachable code
ctc W544: ["vfs/fs_lseek.c" 96/13] unreachable code
ctc W544: ["wqueue/kwork_thread.c" 210/32] unreachable code
ctc W544: ["stdio/lib_fopen.c" 327/19] unreachable code
ctc W544: ["stdio/lib_fopen.c" 404/13] unreachable code
ctc W544: ["string/lib_strcasestr.c" 120/3] unreachable code
ctc W544: ["unistd/lib_getopt_common.c" 156/21] unreachable code
ctc W544: ["unistd/lib_getopt_common.c" 216/21] unreachable code
ctc W544: ["wctype/lib_iswctype.c" 155/3] unreachable code

Signed-off-by: chao an <anchao@lixiang.com>
This commit is contained in:
chao an 2024-01-31 09:02:08 +08:00 committed by Xiang Xiao
parent 6308a53274
commit 8ff97f6210
6 changed files with 7 additions and 13 deletions
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2
drivers/serial/serial.c
View file

@ -181,7 +181,7 @@ static int uart_putxmitchar(FAR uart_dev_t *dev, int ch, bool oktoblock)
dev->xmit.buffer[dev->xmit.head] = ch;
dev->xmit.head = nexthead;
return OK;
break;
}
/* The TX buffer is full. Should be block, waiting for the hardware

10
fs/vfs/fs_lseek.c
View file

@ -84,15 +84,13 @@ off_t file_seek(FAR struct file *filep, off_t offset, int whence)
/* FALLTHROUGH */
case SEEK_SET:
if (offset >= 0)
{
filep->f_pos = offset; /* Might be beyond the end-of-file */
break;
}
else
if (offset < 0)
{
return -EINVAL;
}
filep->f_pos = offset; /* Might be beyond the end-of-file */
break;
case SEEK_END:

2
libs/libc/stdio/lib_fopen.c
View file

@ -324,7 +324,6 @@ int lib_mode2oflags(FAR const char *mode)
default:
goto errout;
break;
}
break;
@ -401,7 +400,6 @@ int lib_mode2oflags(FAR const char *mode)
default:
goto errout;
break;
}
}

2
libs/libc/string/lib_strcasestr.c
View file

@ -92,7 +92,7 @@ FAR char *strcasestr(FAR const char *str, FAR const char *substr)
* substring.
*/
return NULL;
break;
}
/* Check if this is the beginning of a matching substring

2
libs/libc/unistd/lib_getopt_common.c
View file

@ -153,7 +153,6 @@ static int getopt_long_option(FAR struct getopt_s *go,
default:
goto errout;
break;
}
}
else
@ -213,7 +212,6 @@ static int getopt_long_option(FAR struct getopt_s *go,
default:
goto errout;
break;
}
}

2
libs/libc/wctype/lib_iswctype.c
View file

@ -147,7 +147,7 @@ int iswctype(wint_t c, wctype_t desc)
return iswxdigit(c);
default:
return 0; /* eliminate warning */
break; /* eliminate warning */
}
/* Otherwise unknown */