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stream: silence clang empty statement warnings

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clang printed warnings like:

stream/stream.c:692:65: warning: if statement has empty body [-Wempty-body]
            GET_UTF16(c, src < end - 1 ? get_le16_inc(&src) : 0,;

This macro expands to "if(cond) ;". Replace it with an empty statement
that doesn't lead to a clang warning.
This commit is contained in:
wm4 2013-03-19 01:27:48 +01:00
parent 7ba6675847
commit b242aa366b
1 changed files with 8 additions and 12 deletions
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20
stream/stream.c
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@ -649,16 +649,14 @@ static const uint8_t *find_newline(const uint8_t *buf, int len, int utf16)
return (uint8_t *)memchr(buf, '\n', len);
case 1:
while (buf < end - 1) {
GET_UTF16(c, buf < end - 1 ? get_le16_inc(&buf) : 0, return NULL;
)
GET_UTF16(c, buf < end - 1 ? get_le16_inc(&buf) : 0, return NULL;)
if (buf <= end && c == '\n')
return buf - 1;
}
break;
case 2:
while (buf < end - 1) {
GET_UTF16(c, buf < end - 1 ? get_be16_inc(&buf) : 0, return NULL;
)
GET_UTF16(c, buf < end - 1 ? get_be16_inc(&buf) : 0, return NULL;)
if (buf <= end && c == '\n')
return buf - 1;
}
@ -667,6 +665,8 @@ static const uint8_t *find_newline(const uint8_t *buf, int len, int utf16)
return NULL;
}
#define EMPTY_STMT do{}while(0);
/**
* Copy a number of bytes, converting to UTF-8 if input is UTF-16
* \param dst buffer to copy to
@ -691,20 +691,16 @@ static int copy_characters(uint8_t *dst, int dstsize,
case 1:
while (src < end - 1 && dst_end - dst > 8) {
uint8_t tmp;
GET_UTF16(c, src < end - 1 ? get_le16_inc(&src) : 0,;
)
PUT_UTF8(c, tmp, *dst++ = tmp;
)
GET_UTF16(c, src < end - 1 ? get_le16_inc(&src) : 0, EMPTY_STMT)
PUT_UTF8(c, tmp, *dst++ = tmp; EMPTY_STMT)
}
*len -= end - src;
return dstsize - (dst_end - dst);
case 2:
while (src < end - 1 && dst_end - dst > 8) {
uint8_t tmp;
GET_UTF16(c, src < end - 1 ? get_be16_inc(&src) : 0,;
)
PUT_UTF8(c, tmp, *dst++ = tmp;
)
GET_UTF16(c, src < end - 1 ? get_be16_inc(&src) : 0, EMPTY_STMT)
PUT_UTF8(c, tmp, *dst++ = tmp; EMPTY_STMT)
}
*len -= end - src;
return dstsize - (dst_end - dst);