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Change a number of expressions like 1<<10 to 1u<<10.

This commit is contained in:
Philip.Hazel 2019-04-12 14:40:27 +00:00
parent 590bc16842
commit 95c9d011e3
13 changed files with 74 additions and 71 deletions
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3
ChangeLog
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@ -149,6 +149,9 @@ from Ross Burton.
36. Disable SSE2 JIT optimizations in x86 CPUs when SSE2 is not available.
Patch by Guillem Jover.
37. Changed expressions such as 1<<10 to 1u<<10 in many places because compiler
warnings were reported.
Version 10.32 10-September-2018
-------------------------------

4
src/pcre2_auto_possess.c
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@ -7,7 +7,7 @@ and semantics are as close as possible to those of the Perl 5 language.
Written by Philip Hazel
Original API code Copyright (c) 1997-2012 University of Cambridge
New API code Copyright (c) 2016-2018 University of Cambridge
New API code Copyright (c) 2016-2019 University of Cambridge
-----------------------------------------------------------------------------
Redistribution and use in source and binary forms, with or without
@ -1051,7 +1051,7 @@ for(;;)
if (chr > 255) break;
class_bitset = (uint8_t *)
((list_ptr == list ? code : base_end) - list_ptr[2]);
if ((class_bitset[chr >> 3] & (1 << (chr & 7))) != 0) return FALSE;
if ((class_bitset[chr >> 3] & (1u << (chr & 7))) != 0) return FALSE;
break;
#ifdef SUPPORT_WIDE_CHARS

8
src/pcre2_compile.c
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@ -368,17 +368,17 @@ enum { PSKIP_ALT, PSKIP_CLASS, PSKIP_KET };
experimenting to figure out how to stop gcc 5.3.0 from warning with
-Wconversion. This version gets a warning:
#define SETBIT(a,b) a[(b)/8] |= (uint8_t)(1 << ((b)&7))
#define SETBIT(a,b) a[(b)/8] |= (uint8_t)(1u << ((b)&7))
Let's hope the apparently less efficient version isn't actually so bad if the
compiler is clever with identical subexpressions. */
#define SETBIT(a,b) a[(b)/8] = (uint8_t)(a[(b)/8] | (1 << ((b)&7)))
#define SETBIT(a,b) a[(b)/8] = (uint8_t)(a[(b)/8] | (1u << ((b)&7)))
/* Private flags added to firstcu and reqcu. */
#define REQ_CASELESS (1 << 0) /* Indicates caselessness */
#define REQ_VARY (1 << 1) /* reqcu followed non-literal item */
#define REQ_CASELESS (1u << 0) /* Indicates caselessness */
#define REQ_VARY (1u << 1) /* reqcu followed non-literal item */
/* Negative values for the firstcu and reqcu flags */
#define REQ_UNSET (-2) /* Not yet found anything */
#define REQ_NONE (-1) /* Found not fixed char */

6
src/pcre2_dfa_match.c
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@ -2567,7 +2567,7 @@ for (;;)
if (clen > 0)
{
isinclass = (c > 255)? (codevalue == OP_NCLASS) :
((((uint8_t *)(code + 1))[c/8] & (1 << (c&7))) != 0);
((((uint8_t *)(code + 1))[c/8] & (1u << (c&7))) != 0);
}
}
@ -3609,7 +3609,7 @@ for (;;)
#if PCRE2_CODE_UNIT_WIDTH != 8
if (c > 255) c = 255;
#endif
ok = (start_bits[c/8] & (1 << (c&7))) != 0;
ok = (start_bits[c/8] & (1u << (c&7))) != 0;
}
}
if (!ok) break;
@ -3720,7 +3720,7 @@ for (;;)
#if PCRE2_CODE_UNIT_WIDTH != 8
if (c > 255) c = 255;
#endif
if ((start_bits[c/8] & (1 << (c&7))) != 0) break;
if ((start_bits[c/8] & (1u << (c&7))) != 0) break;
start_match++;
}

4
src/pcre2_extuni.c
View File

@ -7,7 +7,7 @@ and semantics are as close as possible to those of the Perl 5 language.
Written by Philip Hazel
Original API code Copyright (c) 1997-2012 University of Cambridge
New API code Copyright (c) 2016-2018 University of Cambridge
New API code Copyright (c) 2016-2019 University of Cambridge
-----------------------------------------------------------------------------
Redistribution and use in source and binary forms, with or without
@ -100,7 +100,7 @@ while (eptr < end_subject)
int len = 1;
if (!utf) c = *eptr; else { GETCHARLEN(c, eptr, len); }
rgb = UCD_GRAPHBREAK(c);
if ((PRIV(ucp_gbtable)[lgb] & (1 << rgb)) == 0) break;
if ((PRIV(ucp_gbtable)[lgb] & (1u << rgb)) == 0) break;
/* Not breaking between Regional Indicators is allowed only if there
are an even number of preceding RIs. */

24
src/pcre2_maketables.c
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@ -7,7 +7,7 @@ and semantics are as close as possible to those of the Perl 5 language.
Written by Philip Hazel
Original API code Copyright (c) 1997-2012 University of Cambridge
New API code Copyright (c) 2016-2018 University of Cambridge
New API code Copyright (c) 2016-2019 University of Cambridge
-----------------------------------------------------------------------------
Redistribution and use in source and binary forms, with or without
@ -114,17 +114,17 @@ test for alnum specially. */
memset(p, 0, cbit_length);
for (i = 0; i < 256; i++)
{
if (isdigit(i)) p[cbit_digit + i/8] |= 1 << (i&7);
if (isupper(i)) p[cbit_upper + i/8] |= 1 << (i&7);
if (islower(i)) p[cbit_lower + i/8] |= 1 << (i&7);
if (isalnum(i)) p[cbit_word + i/8] |= 1 << (i&7);
if (i == '_') p[cbit_word + i/8] |= 1 << (i&7);
if (isspace(i)) p[cbit_space + i/8] |= 1 << (i&7);
if (isxdigit(i))p[cbit_xdigit + i/8] |= 1 << (i&7);
if (isgraph(i)) p[cbit_graph + i/8] |= 1 << (i&7);
if (isprint(i)) p[cbit_print + i/8] |= 1 << (i&7);
if (ispunct(i)) p[cbit_punct + i/8] |= 1 << (i&7);
if (iscntrl(i)) p[cbit_cntrl + i/8] |= 1 << (i&7);
if (isdigit(i)) p[cbit_digit + i/8] |= 1u << (i&7);
if (isupper(i)) p[cbit_upper + i/8] |= 1u << (i&7);
if (islower(i)) p[cbit_lower + i/8] |= 1u << (i&7);
if (isalnum(i)) p[cbit_word + i/8] |= 1u << (i&7);
if (i == '_') p[cbit_word + i/8] |= 1u << (i&7);
if (isspace(i)) p[cbit_space + i/8] |= 1u << (i&7);
if (isxdigit(i))p[cbit_xdigit + i/8] |= 1u << (i&7);
if (isgraph(i)) p[cbit_graph + i/8] |= 1u << (i&7);
if (isprint(i)) p[cbit_print + i/8] |= 1u << (i&7);
if (ispunct(i)) p[cbit_punct + i/8] |= 1u << (i&7);
if (iscntrl(i)) p[cbit_cntrl + i/8] |= 1u << (i&7);
}
p += cbit_length;

20
src/pcre2_match.c
View File

@ -7,7 +7,7 @@ and semantics are as close as possible to those of the Perl 5 language.
Written by Philip Hazel
Original API code Copyright (c) 1997-2012 University of Cambridge
New API code Copyright (c) 2015-2018 University of Cambridge
New API code Copyright (c) 2015-2019 University of Cambridge
-----------------------------------------------------------------------------
Redistribution and use in source and binary forms, with or without
@ -1849,7 +1849,7 @@ fprintf(stderr, "++ op=%d\n", *Fecode);
if (Fop == OP_CLASS) RRETURN(MATCH_NOMATCH);
}
else
if ((Lbyte_map[fc/8] & (1 << (fc&7))) == 0) RRETURN(MATCH_NOMATCH);
if ((Lbyte_map[fc/8] & (1u << (fc&7))) == 0) RRETURN(MATCH_NOMATCH);
}
}
else
@ -1871,7 +1871,7 @@ fprintf(stderr, "++ op=%d\n", *Fecode);
}
else
#endif
if ((Lbyte_map[fc/8] & (1 << (fc&7))) == 0) RRETURN(MATCH_NOMATCH);
if ((Lbyte_map[fc/8] & (1u << (fc&7))) == 0) RRETURN(MATCH_NOMATCH);
}
}
@ -1903,7 +1903,7 @@ fprintf(stderr, "++ op=%d\n", *Fecode);
if (Fop == OP_CLASS) RRETURN(MATCH_NOMATCH);
}
else
if ((Lbyte_map[fc/8] & (1 << (fc&7))) == 0) RRETURN(MATCH_NOMATCH);
if ((Lbyte_map[fc/8] & (1u << (fc&7))) == 0) RRETURN(MATCH_NOMATCH);
}
}
else
@ -1928,7 +1928,7 @@ fprintf(stderr, "++ op=%d\n", *Fecode);
}
else
#endif
if ((Lbyte_map[fc/8] & (1 << (fc&7))) == 0) RRETURN(MATCH_NOMATCH);
if ((Lbyte_map[fc/8] & (1u << (fc&7))) == 0) RRETURN(MATCH_NOMATCH);
}
}
/* Control never gets here */
@ -1957,7 +1957,7 @@ fprintf(stderr, "++ op=%d\n", *Fecode);
if (Fop == OP_CLASS) break;
}
else
if ((Lbyte_map[fc/8] & (1 << (fc&7))) == 0) break;
if ((Lbyte_map[fc/8] & (1u << (fc&7))) == 0) break;
Feptr += len;
}
@ -1994,7 +1994,7 @@ fprintf(stderr, "++ op=%d\n", *Fecode);
}
else
#endif
if ((Lbyte_map[fc/8] & (1 << (fc&7))) == 0) break;
if ((Lbyte_map[fc/8] & (1u << (fc&7))) == 0) break;
Feptr++;
}
@ -4085,7 +4085,7 @@ fprintf(stderr, "++ op=%d\n", *Fecode);
GETCHAR(fc, fptr);
}
lgb = UCD_GRAPHBREAK(fc);
if ((PRIV(ucp_gbtable)[lgb] & (1 << rgb)) == 0) break;
if ((PRIV(ucp_gbtable)[lgb] & (1u << rgb)) == 0) break;
Feptr = fptr;
rgb = lgb;
}
@ -6459,7 +6459,7 @@ for(;;)
#if PCRE2_CODE_UNIT_WIDTH != 8
if (c > 255) c = 255;
#endif
ok = (start_bits[c/8] & (1 << (c&7))) != 0;
ok = (start_bits[c/8] & (1u << (c&7))) != 0;
}
}
if (!ok)
@ -6576,7 +6576,7 @@ for(;;)
#if PCRE2_CODE_UNIT_WIDTH != 8
if (c > 255) c = 255;
#endif
if ((start_bits[c/8] & (1 << (c&7))) != 0) break;
if ((start_bits[c/8] & (1u << (c&7))) != 0) break;
start_match++;
}

6
src/pcre2_printint.c
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@ -7,7 +7,7 @@ and semantics are as close as possible to those of the Perl 5 language.
Written by Philip Hazel
Original API code Copyright (c) 1997-2012 University of Cambridge
New API code Copyright (c) 2016-2018 University of Cambridge
New API code Copyright (c) 2016-2019 University of Cambridge
-----------------------------------------------------------------------------
Redistribution and use in source and binary forms, with or without
@ -679,11 +679,11 @@ for(;;)
for (i = 0; i < 256; i++)
{
if ((map[i/8] & (1 << (i&7))) != 0)
if ((map[i/8] & (1u << (i&7))) != 0)
{
int j;
for (j = i+1; j < 256; j++)
if ((map[j/8] & (1 << (j&7))) == 0) break;
if ((map[j/8] & (1u << (j&7))) == 0) break;
if (i == '-' || i == ']') fprintf(f, "\\");
if (PRINTABLE(i)) fprintf(f, "%c", i);
else fprintf(f, "\\x%02x", i);

10
src/pcre2_study.c
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@ -7,7 +7,7 @@ and semantics are as close as possible to those of the Perl 5 language.
Written by Philip Hazel
Original API code Copyright (c) 1997-2012 University of Cambridge
New API code Copyright (c) 2016-2018 University of Cambridge
New API code Copyright (c) 2016-2019 University of Cambridge
-----------------------------------------------------------------------------
Redistribution and use in source and binary forms, with or without
@ -54,7 +54,7 @@ collecting data (e.g. minimum matching length). */
/* Set a bit in the starting code unit bit map. */
#define SET_BIT(c) re->start_bitmap[(c)/8] |= (1 << ((c)&7))
#define SET_BIT(c) re->start_bitmap[(c)/8] |= (1u << ((c)&7))
/* Returns from set_start_bits() */
@ -843,7 +843,7 @@ for (c = 0; c < table_limit; c++)
if (table_limit == 32) return;
for (c = 128; c < 256; c++)
{
if ((re->tables[cbits_offset + c/8] & (1 << (c&7))) != 0)
if ((re->tables[cbits_offset + c/8] & (1u << (c&7))) != 0)
{
PCRE2_UCHAR buff[6];
(void)PRIV(ord2utf)(c, buff);
@ -1507,10 +1507,10 @@ do
for (c = 0; c < 16; c++) re->start_bitmap[c] |= classmap[c];
for (c = 128; c < 256; c++)
{
if ((classmap[c/8] & (1 << (c&7))) != 0)
if ((classmap[c/8] & (1u << (c&7))) != 0)
{
int d = (c >> 6) | 0xc0; /* Set bit for this starter */
re->start_bitmap[d/8] |= (1 << (d&7)); /* and then skip on to the */
re->start_bitmap[d/8] |= (1u << (d&7)); /* and then skip on to the */
c = (c & 0xc0) + 0x40 - 1; /* next relevant character. */
}
}

4
src/pcre2_substitute.c
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@ -716,7 +716,7 @@ do
{
if (((code->tables + cbits_offset +
((forcecase > 0)? cbit_upper:cbit_lower)
)[ch/8] & (1 << (ch%8))) == 0)
)[ch/8] & (1u << (ch%8))) == 0)
ch = (code->tables + fcc_offset)[ch];
}
forcecase = forcecasereset;
@ -818,7 +818,7 @@ do
{
if (((code->tables + cbits_offset +
((forcecase > 0)? cbit_upper:cbit_lower)
)[ch/8] & (1 << (ch%8))) == 0)
)[ch/8] & (1u << (ch%8))) == 0)
ch = (code->tables + fcc_offset)[ch];
}
forcecase = forcecasereset;

30
src/pcre2_tables.c
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@ -7,7 +7,7 @@ and semantics are as close as possible to those of the Perl 5 language.
Written by Philip Hazel
Original API code Copyright (c) 1997-2012 University of Cambridge
New API code Copyright (c) 2016-2018 University of Cambridge
New API code Copyright (c) 2016-2019 University of Cambridge
-----------------------------------------------------------------------------
Redistribution and use in source and binary forms, with or without
@ -142,7 +142,7 @@ ucp_gbXX values defined in pcre2_ucp.h. These changed between Unicode versions
code points. The left property selects a word from the table, and the right
property selects a bit from that word like this:
PRIV(ucp_gbtable)[left-property] & (1 << right-property)
PRIV(ucp_gbtable)[left-property] & (1u << right-property)
The value is non-zero if a grapheme break is NOT permitted between the relevant
two code points. The breaking rules are as follows:
@ -183,25 +183,25 @@ are implementing).
#define ESZ (1<<ucp_gbExtend)|(1<<ucp_gbSpacingMark)|(1<<ucp_gbZWJ)
const uint32_t PRIV(ucp_gbtable)[] = {
(1<<ucp_gbLF), /* 0 CR */
(1u<<ucp_gbLF), /* 0 CR */
0, /* 1 LF */
0, /* 2 Control */
ESZ, /* 3 Extend */
ESZ|(1<<ucp_gbPrepend)| /* 4 Prepend */
(1<<ucp_gbL)|(1<<ucp_gbV)|(1<<ucp_gbT)|
(1<<ucp_gbLV)|(1<<ucp_gbLVT)|(1<<ucp_gbOther)|
(1<<ucp_gbRegionalIndicator),
ESZ|(1u<<ucp_gbPrepend)| /* 4 Prepend */
(1u<<ucp_gbL)|(1u<<ucp_gbV)|(1u<<ucp_gbT)|
(1u<<ucp_gbLV)|(1u<<ucp_gbLVT)|(1u<<ucp_gbOther)|
(1u<<ucp_gbRegionalIndicator),
ESZ, /* 5 SpacingMark */
ESZ|(1<<ucp_gbL)|(1<<ucp_gbV)|(1<<ucp_gbLV)| /* 6 L */
(1<<ucp_gbLVT),
ESZ|(1<<ucp_gbV)|(1<<ucp_gbT), /* 7 V */
ESZ|(1<<ucp_gbT), /* 8 T */
ESZ|(1<<ucp_gbV)|(1<<ucp_gbT), /* 9 LV */
ESZ|(1<<ucp_gbT), /* 10 LVT */
(1<<ucp_gbRegionalIndicator), /* 11 RegionalIndicator */
ESZ|(1u<<ucp_gbL)|(1u<<ucp_gbV)|(1u<<ucp_gbLV)| /* 6 L */
(1u<<ucp_gbLVT),
ESZ|(1u<<ucp_gbV)|(1u<<ucp_gbT), /* 7 V */
ESZ|(1u<<ucp_gbT), /* 8 T */
ESZ|(1u<<ucp_gbV)|(1u<<ucp_gbT), /* 9 LV */
ESZ|(1u<<ucp_gbT), /* 10 LVT */
(1u<<ucp_gbRegionalIndicator), /* 11 RegionalIndicator */
ESZ, /* 12 Other */
ESZ, /* 13 ZWJ */
ESZ|(1<<ucp_gbExtended_Pictographic) /* 14 Extended Pictographic */
ESZ|(1u<<ucp_gbExtended_Pictographic) /* 14 Extended Pictographic */
};
#undef ESZ

6
src/pcre2_xclass.c
View File

@ -7,7 +7,7 @@ and semantics are as close as possible to those of the Perl 5 language.
Written by Philip Hazel
Original API code Copyright (c) 1997-2012 University of Cambridge
New API code Copyright (c) 2016 University of Cambridge
New API code Copyright (c) 2016-2019 University of Cambridge
-----------------------------------------------------------------------------
Redistribution and use in source and binary forms, with or without
@ -85,10 +85,10 @@ if (c < 256)
if ((*data & XCL_HASPROP) == 0)
{
if ((*data & XCL_MAP) == 0) return negated;
return (((uint8_t *)(data + 1))[c/8] & (1 << (c&7))) != 0;
return (((uint8_t *)(data + 1))[c/8] & (1u << (c&7))) != 0;
}
if ((*data & XCL_MAP) != 0 &&
(((uint8_t *)(data + 1))[c/8] & (1 << (c&7))) != 0)
(((uint8_t *)(data + 1))[c/8] & (1u << (c&7))) != 0)
return !negated; /* char found */
}

4
src/pcre2test.c
View File

@ -11,7 +11,7 @@ hacked-up (non-) design had also run out of steam.
Written by Philip Hazel
Original code Copyright (c) 1997-2012 University of Cambridge
Rewritten code Copyright (c) 2016-2018 University of Cambridge
Rewritten code Copyright (c) 2016-2019 University of Cambridge
-----------------------------------------------------------------------------
Redistribution and use in source and binary forms, with or without
@ -4659,7 +4659,7 @@ if ((pat_patctl.control & CTL_INFO) != 0)
fprintf(outfile, "Starting code units: ");
for (i = 0; i < 256; i++)
{
if ((start_bits[i/8] & (1<<(i&7))) != 0)
if ((start_bits[i/8] & (1u << (i&7))) != 0)
{
if (c > 75)
{