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1 | /* handy.h |
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2 | * |
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3 | * Copyright (c) 1991-1994, Larry Wall |
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4 | * |
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5 | * You may distribute under the terms of either the GNU General Public |
6 | * License or the Artistic License, as specified in the README file. |
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7 | * |
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8 | */ |
9 | |
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10 | #if !defined(__STDC__) |
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11 | #ifdef NULL |
12 | #undef NULL |
13 | #endif |
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14 | #ifndef I286 |
15 | # define NULL 0 |
16 | #else |
17 | # define NULL 0L |
18 | #endif |
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19 | #endif |
20 | |
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21 | #define Null(type) ((type)NULL) |
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22 | #define Nullch Null(char*) |
23 | #define Nullfp Null(FILE*) |
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24 | #define Nullsv Null(SV*) |
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25 | |
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26 | /* bool is built-in for g++-2.6.3, which might be used for an extension. */ |
27 | #if !defined(HAS_BOOL) && !defined(_G_HAVE_BOOL) |
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28 | #ifdef UTS |
29 | #define bool int |
30 | #else |
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31 | #define bool char |
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32 | #endif |
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33 | #endif /* !defined(HAS_BOOL) && !defined(_G_HAVE_BOOL) */ |
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34 | |
35 | #ifdef TRUE |
36 | #undef TRUE |
37 | #endif |
38 | #ifdef FALSE |
39 | #undef FALSE |
40 | #endif |
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41 | #define TRUE (1) |
42 | #define FALSE (0) |
43 | |
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44 | typedef char I8; |
45 | typedef unsigned char U8; |
46 | |
47 | typedef short I16; |
48 | typedef unsigned short U16; |
49 | |
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50 | #if BYTEORDER > 0x4321 |
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51 | typedef int I32; |
52 | typedef unsigned int U32; |
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53 | #else |
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54 | typedef long I32; |
55 | typedef unsigned long U32; |
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56 | #endif |
57 | |
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58 | #define Ctl(ch) (ch & 037) |
59 | |
60 | #define strNE(s1,s2) (strcmp(s1,s2)) |
61 | #define strEQ(s1,s2) (!strcmp(s1,s2)) |
62 | #define strLT(s1,s2) (strcmp(s1,s2) < 0) |
63 | #define strLE(s1,s2) (strcmp(s1,s2) <= 0) |
64 | #define strGT(s1,s2) (strcmp(s1,s2) > 0) |
65 | #define strGE(s1,s2) (strcmp(s1,s2) >= 0) |
66 | #define strnNE(s1,s2,l) (strncmp(s1,s2,l)) |
67 | #define strnEQ(s1,s2,l) (!strncmp(s1,s2,l)) |
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68 | |
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69 | #ifdef HAS_SETLOCALE /* XXX Is there a better test for this? */ |
70 | # ifndef CTYPE256 |
71 | # define CTYPE256 |
72 | # endif |
73 | #endif |
74 | |
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75 | #ifdef USE_NEXT_CTYPE |
76 | #define isALNUM(c) (NXIsAlpha((unsigned int)c) || NXIsDigit((unsigned int)c) || c == '_') |
77 | #define isIDFIRST(c) (NXIsAlpha((unsigned int)c) || c == '_') |
78 | #define isALPHA(c) NXIsAlpha((unsigned int)c) |
79 | #define isSPACE(c) NXIsSpace((unsigned int)c) |
80 | #define isDIGIT(c) NXIsDigit((unsigned int)c) |
81 | #define isUPPER(c) NXIsUpper((unsigned int)c) |
82 | #define isLOWER(c) NXIsLower((unsigned int)c) |
83 | #define toUPPER(c) NXToUpper((unsigned int)c) |
84 | #define toLOWER(c) NXToLower((unsigned int)c) |
85 | #else /* USE_NEXT_CTYPE */ |
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86 | #if defined(CTYPE256) || (!defined(isascii) && !defined(HAS_ISASCII)) |
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87 | #define isALNUM(c) (isalpha((unsigned char)(c)) || isdigit((unsigned char)(c)) || c == '_') |
88 | #define isIDFIRST(c) (isalpha((unsigned char)(c)) || (c) == '_') |
89 | #define isALPHA(c) isalpha((unsigned char)(c)) |
90 | #define isSPACE(c) isspace((unsigned char)(c)) |
91 | #define isDIGIT(c) isdigit((unsigned char)(c)) |
92 | #define isUPPER(c) isupper((unsigned char)(c)) |
93 | #define isLOWER(c) islower((unsigned char)(c)) |
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94 | #define toUPPER(c) toupper((unsigned char)(c)) |
95 | #define toLOWER(c) tolower((unsigned char)(c)) |
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96 | #else |
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97 | #define isALNUM(c) (isascii(c) && (isalpha(c) || isdigit(c) || c == '_')) |
98 | #define isIDFIRST(c) (isascii(c) && (isalpha(c) || (c) == '_')) |
99 | #define isALPHA(c) (isascii(c) && isalpha(c)) |
100 | #define isSPACE(c) (isascii(c) && isspace(c)) |
101 | #define isDIGIT(c) (isascii(c) && isdigit(c)) |
102 | #define isUPPER(c) (isascii(c) && isupper(c)) |
103 | #define isLOWER(c) (isascii(c) && islower(c)) |
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104 | #define toUPPER(c) toupper(c) |
105 | #define toLOWER(c) tolower(c) |
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106 | #endif |
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107 | #endif /* USE_NEXT_CTYPE */ |
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108 | |
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109 | /* Line numbers are unsigned, 16 bits. */ |
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110 | typedef U16 line_t; |
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111 | #ifdef lint |
112 | #define NOLINE ((line_t)0) |
113 | #else |
114 | #define NOLINE ((line_t) 65535) |
115 | #endif |
116 | |
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117 | #ifndef lint |
118 | #ifndef LEAKTEST |
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119 | #ifndef safemalloc |
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120 | char *safemalloc _((MEM_SIZE)); |
121 | char *saferealloc _((char *, MEM_SIZE)); |
122 | void safefree _((char *)); |
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123 | #endif |
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124 | #ifndef MSDOS |
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125 | #define New(x,v,n,t) (v = (t*)safemalloc((MEM_SIZE)((n) * sizeof(t)))) |
126 | #define Newc(x,v,n,t,c) (v = (c*)safemalloc((MEM_SIZE)((n) * sizeof(t)))) |
127 | #define Newz(x,v,n,t) (v = (t*)safemalloc((MEM_SIZE)((n) * sizeof(t)))), \ |
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128 | memzero((char*)(v), (n) * sizeof(t)) |
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129 | #define Renew(v,n,t) (v = (t*)saferealloc((char*)(v),(MEM_SIZE)((n)*sizeof(t)))) |
130 | #define Renewc(v,n,t,c) (v = (c*)saferealloc((char*)(v),(MEM_SIZE)((n)*sizeof(t)))) |
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131 | #else |
132 | #define New(x,v,n,t) (v = (t*)safemalloc(((unsigned long)(n) * sizeof(t)))) |
133 | #define Newc(x,v,n,t,c) (v = (c*)safemalloc(((unsigned long)(n) * sizeof(t)))) |
134 | #define Newz(x,v,n,t) (v = (t*)safemalloc(((unsigned long)(n) * sizeof(t)))), \ |
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135 | memzero((char*)(v), (n) * sizeof(t)) |
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136 | #define Renew(v,n,t) (v = (t*)saferealloc((char*)(v),((unsigned long)(n)*sizeof(t)))) |
137 | #define Renewc(v,n,t,c) (v = (c*)saferealloc((char*)(v),((unsigned long)(n)*sizeof(t)))) |
138 | #endif /* MSDOS */ |
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139 | #define Safefree(d) safefree((char*)d) |
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140 | #define NEWSV(x,len) newSV(len) |
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141 | #else /* LEAKTEST */ |
142 | char *safexmalloc(); |
143 | char *safexrealloc(); |
144 | void safexfree(); |
145 | #define New(x,v,n,t) (v = (t*)safexmalloc(x,(MEM_SIZE)((n) * sizeof(t)))) |
146 | #define Newc(x,v,n,t,c) (v = (c*)safexmalloc(x,(MEM_SIZE)((n) * sizeof(t)))) |
147 | #define Newz(x,v,n,t) (v = (t*)safexmalloc(x,(MEM_SIZE)((n) * sizeof(t)))), \ |
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148 | memzero((char*)(v), (n) * sizeof(t)) |
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149 | #define Renew(v,n,t) (v = (t*)safexrealloc((char*)(v),(MEM_SIZE)((n)*sizeof(t)))) |
150 | #define Renewc(v,n,t,c) (v = (c*)safexrealloc((char*)(v),(MEM_SIZE)((n)*sizeof(t)))) |
151 | #define Safefree(d) safexfree((char*)d) |
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152 | #define NEWSV(x,len) newSV(x,len) |
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153 | #define MAXXCOUNT 1200 |
154 | long xcount[MAXXCOUNT]; |
155 | long lastxcount[MAXXCOUNT]; |
156 | #endif /* LEAKTEST */ |
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157 | #define Move(s,d,n,t) (void)memmove((char*)(d),(char*)(s), (n) * sizeof(t)) |
158 | #define Copy(s,d,n,t) (void)memcpy((char*)(d),(char*)(s), (n) * sizeof(t)) |
159 | #define Zero(d,n,t) (void)memzero((char*)(d), (n) * sizeof(t)) |
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160 | #else /* lint */ |
161 | #define New(x,v,n,s) (v = Null(s *)) |
162 | #define Newc(x,v,n,s,c) (v = Null(s *)) |
163 | #define Newz(x,v,n,s) (v = Null(s *)) |
164 | #define Renew(v,n,s) (v = Null(s *)) |
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165 | #define Move(s,d,n,t) |
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166 | #define Copy(s,d,n,t) |
167 | #define Zero(d,n,t) |
168 | #define Safefree(d) d = d |
169 | #endif /* lint */ |
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170 | |
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171 | #ifdef USE_STRUCT_COPY |
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172 | #define StructCopy(s,d,t) *((t*)(d)) = *((t*)(s)) |
173 | #else |
174 | #define StructCopy(s,d,t) Copy(s,d,1,t) |
175 | #endif |