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INFRA: make __attribute__((fallthrough)) more portable

echasseur/warnings-removal
Eric CHASSEUR 2022-04-19 09:26:37 +02:00
rodzic 849a460ab6
commit be90183cc3
4 zmienionych plików z 31 dodań i 19 usunięć
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6
source/lib/expat_lib/internal.h
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@ -34,6 +34,12 @@
#define PTRFASTCALL __attribute__((regparm(3)))
#endif
#if defined(__GNUC__) && __GNUC__ >= 7 || defined(__clang__) && __clang_major__ >= 10
#define FALL_THROUGH __attribute__ ((fallthrough))
#else
#define FALL_THROUGH ((void)0)
#endif
/* Using __fastcall seems to have an unexpected negative effect under
MS VC++, especially for function pointers, so we won't use it for
now on that platform. It may be reconsidered for a future release

16
source/lib/expat_lib/xmlparse.c
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@ -1502,7 +1502,7 @@ XML_Parse(XML_Parser parser, const char *s, int len, int isFinal)
errorCode = XML_ERROR_NO_MEMORY;
return XML_STATUS_ERROR;
}
__attribute__((fallthrough));
FALL_THROUGH;
default:
ps_parsing = XML_PARSING;
}
@ -1529,7 +1529,7 @@ XML_Parse(XML_Parser parser, const char *s, int len, int isFinal)
case XML_INITIALIZED:
case XML_PARSING:
ps_parsing = XML_FINISHED;
__attribute__((fallthrough));
FALL_THROUGH;
/* fall through */
default:
return XML_STATUS_OK;
@ -1566,7 +1566,7 @@ XML_Parse(XML_Parser parser, const char *s, int len, int isFinal)
ps_parsing = XML_FINISHED;
return XML_STATUS_OK;
}
__attribute__((fallthrough));
FALL_THROUGH;
/* fall through */
default:
result = XML_STATUS_OK;
@ -1631,7 +1631,7 @@ XML_ParseBuffer(XML_Parser parser, int len, int isFinal)
errorCode = XML_ERROR_NO_MEMORY;
return XML_STATUS_ERROR;
}
__attribute__((fallthrough));
FALL_THROUGH;
default:
ps_parsing = XML_PARSING;
}
@ -3897,7 +3897,7 @@ doProlog(XML_Parser parser,
handleDefault = XML_FALSE;
goto alreadyChecked;
}
__attribute__((fallthrough));
FALL_THROUGH;
/* fall through */
case XML_ROLE_ENTITY_PUBLIC_ID:
if (!XmlIsPublicId(enc, s, next, eventPP))
@ -4200,7 +4200,7 @@ doProlog(XML_Parser parser,
return XML_ERROR_NO_MEMORY;
declEntity->publicId = NULL;
}
__attribute__((fallthrough));
FALL_THROUGH;
/* fall through */
#endif /* XML_DTD */
case XML_ROLE_ENTITY_SYSTEM_ID:
@ -4981,7 +4981,7 @@ appendAttributeValue(XML_Parser parser, const ENCODING *enc, XML_Bool isCdata,
break;
case XML_TOK_TRAILING_CR:
next = ptr + enc->minBytesPerChar;
__attribute__((fallthrough));
FALL_THROUGH;
/* fall through */
case XML_TOK_ATTRIBUTE_VALUE_S:
case XML_TOK_DATA_NEWLINE:
@ -5186,7 +5186,7 @@ storeEntityValue(XML_Parser parser,
break;
case XML_TOK_TRAILING_CR:
next = entityTextPtr + enc->minBytesPerChar;
__attribute__((fallthrough));
FALL_THROUGH;
/* fall through */
case XML_TOK_DATA_NEWLINE:
if (pool->end == pool->ptr && !poolGrow(pool)) {

20
source/lib/expat_lib/xmltok_impl.c
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@ -160,7 +160,7 @@ PREFIX(scanDecl)(const ENCODING *enc, const char *ptr,
*nextTokPtr = ptr;
return XML_TOK_INVALID;
}
__attribute__((fallthrough));
FALL_THROUGH;
/* fall through */
case BT_S: case BT_CR: case BT_LF:
*nextTokPtr = ptr;
@ -275,7 +275,7 @@ PREFIX(scanPi)(const ENCODING *enc, const char *ptr,
*nextTokPtr = ptr + MINBPC(enc);
return tok;
}
__attribute__((fallthrough));
FALL_THROUGH;
/* fall through */
default:
*nextTokPtr = ptr;
@ -574,7 +574,7 @@ PREFIX(scanAtts)(const ENCODING *enc, const char *ptr, const char *end,
return XML_TOK_INVALID;
}
}
__attribute__((fallthrough));
FALL_THROUGH;
/* fall through */
case BT_EQUALS:
{
@ -864,7 +864,7 @@ PREFIX(contentTok)(const ENCODING *enc, const char *ptr, const char *end,
return XML_TOK_INVALID;
}
}
__attribute__((fallthrough));
FALL_THROUGH;
/* fall through */
case BT_AMP:
case BT_LT:
@ -1023,7 +1023,7 @@ PREFIX(prologTok)(const ENCODING *enc, const char *ptr, const char *end,
/* indicate that this might be part of a CR/LF pair */
return -XML_TOK_PROLOG_S;
}
__attribute__((fallthrough));
FALL_THROUGH;
/* fall through */
case BT_S: case BT_LF:
for (;;) {
@ -1037,7 +1037,7 @@ PREFIX(prologTok)(const ENCODING *enc, const char *ptr, const char *end,
/* don't split CR/LF pair */
if (ptr + MINBPC(enc) != end)
break;
__attribute__((fallthrough));
FALL_THROUGH;
/* fall through */
default:
*nextTokPtr = ptr;
@ -1144,7 +1144,7 @@ PREFIX(prologTok)(const ENCODING *enc, const char *ptr, const char *end,
tok = XML_TOK_NMTOKEN;
break;
}
__attribute__((fallthrough));
FALL_THROUGH;
/* fall through */
default:
*nextTokPtr = ptr;
@ -1416,7 +1416,7 @@ PREFIX(isPublicId)(const ENCODING *enc, const char *ptr, const char *end,
case BT_NMSTRT:
if (!(BYTE_TO_ASCII(enc, ptr) & ~0x7f))
break;
__attribute__((fallthrough));
FALL_THROUGH;
default:
switch (BYTE_TO_ASCII(enc, ptr)) {
case 0x24: /* $ */
@ -1638,9 +1638,9 @@ PREFIX(sameName)(const ENCODING *enc, const char *ptr1, const char *ptr2)
if (*ptr1++ != *ptr2++) \
return 0;
LEAD_CASE(4)
__attribute__((fallthrough));
FALL_THROUGH;
LEAD_CASE(3)
__attribute__((fallthrough));
FALL_THROUGH;
LEAD_CASE(2)
#undef LEAD_CASE
/* fall through */

8
source/lib/tiny_jpeg/tiny_jpeg.h
Wyświetl plik

@ -90,6 +90,12 @@ extern "C"
#pragma GCC diagnostic ignored "-Wpadded"
#endif
#if defined(__GNUC__) && __GNUC__ >= 7 || defined(__clang__) && __clang_major__ >= 10
#define FALL_THROUGH __attribute__ ((fallthrough))
#else
#define FALL_THROUGH ((void)0)
#endif
// ============================================================
// Public interface:
// ============================================================
@ -1254,7 +1260,7 @@ int tje_encode_with_func(tje_write_func* func,
break;
case 2:
qt_factor = 10;
__attribute__((fallthrough));
FALL_THROUGH;
// don't break. fall through.
case 1:
for ( i = 0; i < 64; ++i ) {