projects / unix-history / blame
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|---|---|---|
| 0fc6e47b KB |
1 | /*- |
| 2 | * Copyright (c) 1980 The Regents of the University of California. | |
| 3 | * All rights reserved. | |
| 4 | * | |
| 5 | * %sccs.include.redist.c% | |
| 252367af | 6 | */ |
| 1c1b91d0 | 7 | |
| 72fbef68 | 8 | #ifndef lint |
| 0fc6e47b KB |
9 | static char sccsid[] = "@(#)string.c 5.5 (Berkeley) %G%"; |
| 10 | #endif /* not lint */ | |
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11 | |
| 12 | #include "whoami.h" | |
| 00a19165 | 13 | #include "align.h" |
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14 | #include "0.h" |
| 15 | #ifndef PI01 | |
| 16 | #ifndef PXP | |
| 17 | #include "send.h" | |
| 18 | #endif | |
| 19 | #endif | |
| 20 | ||
| 21 | /* | |
| 22 | * STRING SPACE DECLARATIONS | |
| 23 | * | |
| 24 | * Strng is the base of the current | |
| 25 | * string space and strngp the | |
| 26 | * base of the free area therein. | |
| 27 | * Strp is the array of descriptors. | |
| 28 | */ | |
| 29 | #ifndef PI0 | |
| 30 | STATIC char strings[STRINC]; | |
| 31 | STATIC char *strng = strings; | |
| 32 | STATIC char *strngp = strings; | |
| 33 | #else | |
| 34 | char *strng, *strngp; | |
| 35 | #endif | |
| 36 | #ifndef PI01 | |
| 37 | #ifndef PXP | |
| 38 | STATIC char *strp[20]; | |
| 39 | STATIC char **stract strp; | |
| 40 | int strmax; | |
| 41 | #endif | |
| 42 | #endif | |
| 43 | ||
| 44 | #ifndef PI01 | |
| 45 | #ifndef PXP | |
| 46 | #ifndef PI0 | |
| 47 | initstring() | |
| 48 | #else | |
| 49 | initstring(strings) | |
| 50 | char *strings; | |
| 51 | #endif | |
| 52 | { | |
| 53 | ||
| 54 | *stract++ = strings; | |
| 55 | #ifdef PI0 | |
| 56 | strng = strngp = strings; | |
| 57 | #endif | |
| 58 | strmax = STRINC * 2; | |
| 59 | } | |
| 60 | #endif | |
| 61 | #endif | |
| 62 | ||
| 63 | /* | |
| 64 | * Copy a string into the string area. | |
| 65 | */ | |
| 66 | char * | |
| 67 | savestr(cp) | |
| 68 | register char *cp; | |
| 69 | { | |
| 70 | register int i; | |
| 71 | ||
| 72 | i = strlen(cp) + 1; | |
| 73 | if (strngp + i >= strng + STRINC) { | |
| 74 | strngp = malloc(STRINC); | |
| df51413a | 75 | if (strngp == 0) { |
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76 | yerror("Ran out of memory (string)"); |
| 77 | pexit(DIED); | |
| 78 | } | |
| 79 | #ifndef PI01 | |
| 80 | #ifndef PXP | |
| 81 | *stract++ = strngp; | |
| 7169b77a | 82 | strmax += STRINC; |
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83 | #endif |
| 84 | #endif | |
| 85 | strng = strngp; | |
| 86 | } | |
| 72fbef68 | 87 | (void) pstrcpy(strngp, cp); |
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88 | cp = strngp; |
| 89 | strngp = cp + i; | |
| 90 | #ifdef PI0 | |
| 91 | send(RSTRING, cp); | |
| 92 | #endif | |
| 93 | return (cp); | |
| 94 | } | |
| 95 | ||
| 96 | #ifndef PI1 | |
| 97 | #ifndef PXP | |
| 72fbef68 | 98 | char * |
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99 | esavestr(cp) |
| 100 | char *cp; | |
| 101 | { | |
| 102 | ||
| 103 | #ifdef PI0 | |
| 104 | send(REVENIT); | |
| 105 | #endif | |
| 00a19165 | 106 | strngp = ( (char *) roundup( strngp, A_LONG ) ); |
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107 | return (savestr(cp)); |
| 108 | } | |
| 109 | #endif | |
| 110 | #endif | |
| 111 | ||
| 112 | #ifndef PI01 | |
| 113 | #ifndef PXP | |
| 114 | soffset(cp) | |
| 115 | register char *cp; | |
| 116 | { | |
| 117 | register char **sp; | |
| 118 | register int i; | |
| 119 | ||
| 120 | if (cp == NIL || cp == OCT || cp == HEX) | |
| 121 | return (-cp); | |
| 122 | for (i = STRINC, sp = strp; sp < stract; sp++) { | |
| 123 | if (cp >= *sp && cp < (*sp + STRINC)) | |
| 124 | return (i + (cp - *sp)); | |
| 7169b77a | 125 | i += STRINC; |
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126 | } |
| 127 | i = nlfund(cp); | |
| 128 | if (i != 0) | |
| 129 | return (i); | |
| 130 | panic("soffset"); | |
| 131 | } | |
| 132 | #ifdef PI1 | |
| 133 | sreloc(i) | |
| 134 | register int i; | |
| 135 | { | |
| 136 | ||
| 137 | if (i == 0 || i == -OCT || i == -HEX) | |
| 138 | return (-i); | |
| 139 | if (i < STRINC) { | |
| 140 | if (i >= INL) | |
| 141 | panic("sreloc INL"); | |
| 142 | i = nl[i].symbol; | |
| 143 | if (i == 0) | |
| 144 | panic("sreloc nl[i]"); | |
| 145 | return (i); | |
| 146 | } | |
| 147 | if (i > strmax || i < 0) | |
| 148 | panic("sreloc"); | |
| 149 | return (strp[(i / STRINC) - 1] + (i % STRINC)); | |
| 150 | } | |
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151 | #endif |
| 152 | #endif | |
| 153 | #endif |