![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to misc.h CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [MW Coherent from dump] / coherent / f / usr / include.78|
Return to misc.h CVS log | Up to [MW Coherent from dump] / coherent / f / usr / include.78 |
1.1 root 1: /* (-lgl
2: * COHERENT 386 Device Driver Kit release 2.0
3: * Copyright (c) 1982, 1992 by Mark Williams Company.
4: * All rights reserved. May not be copied without permission.
5: -lgl) */
6:
7: /*
8: * /usr/include/misc.h
9: * Miscellaneous useful user functions.
10: * Sugggestions and additions are welcome.
11: *
12: * Revised Wed Mar 24 16:44:33 1993 CST
13: */
14: #ifndef __MISC_H__
15: #define __MISC_H__
16:
17: #ifndef OFFSETOF
18:
19: /* Handy defines */
20: #define OFFSETOF(type, mem) (&((char *)((type *)NULL)->m) - NULL)
21: #define ENDOF(x) (((char *)(x))+sizeof(x)) /* end of some thing */
22: #define SETIN(a, b) !((a) & ~(b)) /* a in b */
23:
24: #ifdef M68000
25: #define ptrdiff(a, b) ((long)a - (long)b)
26: #else
27: #ifdef LARGE
28: #define ptrdiff(a, b) (((((long)a>>16)-((long)b>>16))<<4)+((int)a-(int)b))
29: #else
30: #define ptrdiff(a, b) ((int)a - (int)b)
31: #endif
32: #endif
33:
34: #include <stdio.h>
35:
36: /*
37: * Needed for select()
38: */
39: struct timeval {
40: long tv_sec;
41: long tv_usec;
42: };
43:
44: #include <sys/param.h>
45:
46: #if NOFILE <= 32
47: typedef int fd_set;
48:
49: #define FD_ZERO(fdp) {*fdp = 0;}
50: #define FD_SET(b,fdp) (*fdp |= 1 << (b))
51: #define FD_ISSET(b,fdp) (*fdp & 1 << (b))
52: #define FD_SETSIZE 32
53: #else
54: typedef int fd_set[2];
55:
56: #define FD_ZERO(fdp) {(*fdp)[0]=(*fdp)[1]=0;}
57: #define FD_SET(b,fdp) ((*fdp)[((b)>>5)&1] |= 1 << ((b)&0x1F))
58: #define FD_ISSET(b,fdp) ((*fdp)[((b)>>5)&1] & 1 << ((b)&0x1F))
59: #define FD_SETSIZE 64
60: #endif
61: /* end of select() support */
62:
63: extern void fatal(); /* like fprintf(stderr, ...); exit(1); */
64: extern char * getline();/* char * getline(FILE *fp, int *lineNo);
65: * gets lines off a file treats # to end of line
66: * as comment, discards \ [ \t\n] through end of
67: * line to create continuations. */
68: extern usage(); /* like fatal but message starts usage: */
69: extern FILE *xopen(); /* xopen(filename, access); fopen or die */
70: extern char *basename(); /* return the last filename on a path */
71: extern char *pathn(); /* pathn("helpfile", "LIBPATH", ",,\lib", "r");
72: * gets full pathname given an filename
73: * env var with path, default path and access rights */
74: extern xdump(); /* xdump(ptr, size) hex dumps an area */
75: extern long randl(); /* IEEE random number (random bits) */
76: extern srandl(); /* srandl(unsigned long s1, s2); */
77: extern unsigned short crc16(); /* crc16(char *p) calculate 16 bit crc */
78: extern char *ask(); /* ask(reply, msg);
79: * like printf(msg, ...) returns a user reply */
80: extern int yn(); /* like printf(msg, ...) returns yes=1 or no=0 reply */
81: extern char *alloc(); /* get space or die */
82: extern void banner(); /* banner("Done", 3) prints a banner saying
83: * Done with 3 spaces infront. */
84: extern int copyd(); /* copyd(FILE *outfile, FILE *infile, long length)
85: * Copys infile to outfile for length efficiently.
86: * on failure copys all it can read and returns 0.
87: * returns 1 on success */
88: extern strcmpl(); /* case insensative strcmp() */
89: extern char *lcase(); /* convert string to lower case */
90: extern char *ucase(); /* convert string to upper case */
91: extern char *newcpy(); /* make a malloced copy of a string */
92: extern char *match(); /* match(s1, pat, fin)
93: * finds pat in s1 by pnmatch rules
94: * returns start of pattern or NULL
95: * places pointer to end in *fin
96: */
97: extern char *replace(); /* replace(s1, pat, s3, all, matcher)
98: * search s1 for pat and replace by s3.
99: * Using matcher which is a pointer to
100: * a function that looks externally like match.
101: * Returns a new malloced string or NULL
102: * does all if all != 0 else first. */
103: extern char * span(); /* span(s1, matcher, fin)
104: * matches all chars passing function
105: * matcher. Looks like match. */
106: extern char * skip(); /* skip(s1, matcher, fin)
107: * matches all chars not passing function
108: * matcher. Looks like match. */
109: extern void tocont(); /* Enter NL to continue */
110: extern approx(); /* approx(double a, double b) 1 if == within epsilon */
111: extern double epsilon;
112: extern int is_fs(); /* is_fs(char *special) test if special is filesystem */
113: extern void vinit(); /* vinit(char * workFileName, unsigned storAmt);
114: * Init the software virtual system telling it how much
115: * storage it may use for buffers */
116: extern void vshutdown(); /* Shut down the virtual system and free its storage */
117: extern unsigned vopen(); /* vopen(long amt); Set up a virtual object amt
118: * bytes long and return a vid number. */
119: extern char *vfind(); /* vfind(int vid, long disp, int dirty);
120: * Point to a byte disp bytes into vid, set the
121: * dirty bit if dirty == 1 */
122: extern char *trim(); /* trim(char *s); remove trailing whitespace from s */
123: extern void splitter(); /* splitter(FILE *ofp, char *line, int limit)
124: * split line into limit size chunks by inserting
125: * \ \n and put the results to ofp. */
126: extern strchrtr();
127: /* strchrtr(char *from, char *to, int c, int d)
128: * Find c in from and return the corresponding char
129: * in to or def if there is none.
130: */
131: /*
132: * Definitions etc. for regexp(3) routines.
133: *
134: * Caveat: this is V8 regexp(3) [actually, a reimplementation thereof],
135: * not the System V one.
136: *
137: * This is a modification of the University of Toronto regexp() package.
138: * Mostly to fit in cleanly with Coherent's libmisc. The original can
139: * be gotten free on mwcbbs.
140: */
141: #define NSUBEXP 10
142: typedef struct regexp {
143: char *startp[NSUBEXP];
144: char *endp[NSUBEXP];
145: char regstart; /* Internal use only. */
146: char reganch; /* Internal use only. */
147: char *regmust; /* Internal use only. */
148: int regmlen; /* Internal use only. */
149: char program[1]; /* Unwarranted chumminess with compiler. */
150: } regexp;
151:
152: extern regexp *regcomp();
153: extern int regexec();
154: extern void regsub();
155: extern void regerror();
156: /*
157: * The first byte of the regexp internal "program" is actually this magic
158: * number; the start node begins in the second byte.
159: */
160: #define REG_MAGIC (char)0234
161: #endif
162:
163: #endif
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.