| 1 |
/* ukcprog.h -- Declarations for UKC programmers' library routines. */ |
| 2 |
|
| 3 |
/* Copyright 1993 Godfrey Paul, University of Kent at Canterbury. |
| 4 |
* |
| 5 |
* You can do what you like with this source code as long as |
| 6 |
* you don't try to make money out of it and you include an |
| 7 |
* unaltered copy of this message (including the copyright). |
| 8 |
*/ |
| 9 |
|
| 10 |
/* $Id: ukcprog.h,v 1.36 1996/04/10 10:27:17 mtr Exp $ UKC */ |
| 11 |
|
| 12 |
#ifndef UKCPROG_H_DEFINED |
| 13 |
#define UKCPROG_H_DEFINED |
| 14 |
|
| 15 |
#ifdef __cplusplus |
| 16 |
extern "C" { |
| 17 |
#endif |
| 18 |
|
| 19 |
#if defined(__GNUC__) && __GNUC_MINOR >= 2 |
| 20 |
#define UKCPROG__NORETURN __attribute__((__noreturn__)) |
| 21 |
#else |
| 22 |
#define UKCPROG__NORETURN |
| 23 |
#endif |
| 24 |
|
| 25 |
#ifdef __STDC__ |
| 26 |
#ifndef PROTO |
| 27 |
#define PROTO(a) a |
| 28 |
#endif /* !PROTO */ |
| 29 |
|
| 30 |
typedef void *voidptr; |
| 31 |
typedef const void *constvoidptr; |
| 32 |
|
| 33 |
#include <stddef.h> /* needed for size_t */ |
| 34 |
|
| 35 |
#else /* !__STDC__ */ |
| 36 |
|
| 37 |
#include <sys/types.h> /* size_t for old C */ |
| 38 |
|
| 39 |
#ifndef PROTO |
| 40 |
#define PROTO(a) () |
| 41 |
#endif /* !PROTO */ |
| 42 |
|
| 43 |
/* Patch up for things that are missing without ANSI C. */ |
| 44 |
#ifndef const |
| 45 |
#define const |
| 46 |
#endif |
| 47 |
#ifndef volatile |
| 48 |
#define volatile |
| 49 |
#endif |
| 50 |
#ifndef signed |
| 51 |
#define signed |
| 52 |
#endif |
| 53 |
|
| 54 |
typedef char *voidptr; |
| 55 |
typedef char *constvoidptr; |
| 56 |
|
| 57 |
#endif /* !__STDC__ */ |
| 58 |
|
| 59 |
/* Defining boolean type. This might cause problems for some ... */ |
| 60 |
#ifndef FALSE |
| 61 |
#define FALSE 0 |
| 62 |
#endif |
| 63 |
#ifndef TRUE |
| 64 |
#define TRUE 1 |
| 65 |
#endif |
| 66 |
#ifndef bool |
| 67 |
#define bool int |
| 68 |
#endif |
| 69 |
|
| 70 |
/* Macro to get control characters (works for ASCII only). */ |
| 71 |
#define CONTROL(c) ((c) & 0x1f) |
| 72 |
|
| 73 |
/* Define NULL - this avoids having the whole of stdio.h */ |
| 74 |
#ifndef NULL |
| 75 |
#define NULL 0 |
| 76 |
#endif |
| 77 |
|
| 78 |
/* Macro to concatenate two or three names. */ |
| 79 |
#ifdef CAT |
| 80 |
#undef CAT |
| 81 |
#endif /* CAT */ |
| 82 |
|
| 83 |
#if defined(__STDC__) && !defined(VMS) |
| 84 |
#define CAT(a,b) a ## b |
| 85 |
#define CAT3(a,b,c) a ## b ## c |
| 86 |
#else |
| 87 |
#define _IDENT(a) a |
| 88 |
#define CAT(a,b) _IDENT(a)b |
| 89 |
#define CAT3(a,b,c) CAT(a,b)c |
| 90 |
#endif |
| 91 |
|
| 92 |
/* from panic.c */ |
| 93 |
typedef void (*panic_handler_t) PROTO((const char *message)); |
| 94 |
|
| 95 |
panic_handler_t install_panic_handler PROTO((panic_handler_t handler)); |
| 96 |
|
| 97 |
void panic PROTO((const char *message)) UKCPROG__NORETURN; |
| 98 |
|
| 99 |
|
| 100 |
/* from e_malloc.c */ |
| 101 |
voidptr e_malloc PROTO((size_t size)); |
| 102 |
|
| 103 |
|
| 104 |
/* from e_realloc.c */ |
| 105 |
voidptr e_realloc PROTO((voidptr old, size_t size)); |
| 106 |
|
| 107 |
|
| 108 |
/* from strsave.c */ |
| 109 |
char *strsave PROTO((const char *s)); |
| 110 |
|
| 111 |
|
| 112 |
/* from config.c */ |
| 113 |
char *config_trim_line PROTO((char *line)); |
| 114 |
|
| 115 |
#ifdef UKC_WANT_FORMF_CHECKS |
| 116 |
#define FORMF_ARGS(fpos, argpos) __attribute__((format(printf, fpos, argpos))) |
| 117 |
#else |
| 118 |
|
| 119 |
#ifdef VMS |
| 120 |
/* The VMS C compiler with /STANDARD=PORTABLE complains about unused |
| 121 |
* arguments in macros. This grossness is to shut it up. |
| 122 |
*/ |
| 123 |
#define FORMF_ARGS(fpos, apos) ; extern int CAT(__ukc,fpos), CAT(__ukc,apos) |
| 124 |
#else |
| 125 |
#define FORMF_ARGS(fpos, argpos) /* nothing */ |
| 126 |
#endif |
| 127 |
|
| 128 |
#endif |
| 129 |
|
| 130 |
/* from formf.c */ |
| 131 |
#ifdef __STDC__ |
| 132 |
#include <stdarg.h> /* nasty, but needed for prototype */ |
| 133 |
#endif |
| 134 |
|
| 135 |
char *formf PROTO((char *buffer_space, int buffer_size, |
| 136 |
const char *format, va_list args)); |
| 137 |
|
| 138 |
|
| 139 |
/* from errf.c */ |
| 140 |
typedef void (*errf_ofunc_t) PROTO((const char *string)); |
| 141 |
|
| 142 |
errf_ofunc_t errf_set_ofunc PROTO((errf_ofunc_t func)); |
| 143 |
const char *errf_set_prefix PROTO((const char *prefix)); |
| 144 |
const char *errf_get_prefix PROTO((void)); |
| 145 |
void errf_set_progname PROTO((const char *progname)); |
| 146 |
const char *errf_get_progname PROTO((void)); |
| 147 |
void errf_usage PROTO((const char *usage)); |
| 148 |
|
| 149 |
void errf PROTO((const char *fmt, ...)) FORMF_ARGS(1, 2); |
| 150 |
char *strf PROTO((const char *fmt, ...)) FORMF_ARGS(1, 2); |
| 151 |
void strnf PROTO((char *buf, size_t bufsize, const char *fmt, ...)) |
| 152 |
FORMF_ARGS(3, 4); |
| 153 |
|
| 154 |
/* from log.c */ |
| 155 |
#define LG_ALL 0 /* lowest priority */ |
| 156 |
#define LG_DEBUG 1 /* debugging messages */ |
| 157 |
#define LG_INFO 5 /* information messages */ |
| 158 |
#define LG_ERR 9 /* error messages */ |
| 159 |
#define LG_LOG 10 /* highest priority; messages from the logger */ |
| 160 |
|
| 161 |
int logf_set_ofile PROTO((const char *filename, const char *prefix)); |
| 162 |
void logf PROTO((int level, const char *fmt, ...)) FORMF_ARGS(2, 3); |
| 163 |
int logf_set_level PROTO((int new_level)); |
| 164 |
void logf_errf_ofunc PROTO((const char *str)); |
| 165 |
|
| 166 |
/* from fpgetline.c |
| 167 |
* |
| 168 |
* Only include this prototype if stdio.h has been #included already. |
| 169 |
* This is to mandating the inclusion of stdio.h unless fpgetline() |
| 170 |
* is required. |
| 171 |
*/ |
| 172 |
#ifdef EOF |
| 173 |
char *fpgetline PROTO((FILE *fp)); |
| 174 |
#endif |
| 175 |
|
| 176 |
|
| 177 |
/* from alloc.c */ |
| 178 |
|
| 179 |
typedef struct alloc_pool_s alloc_pool_t; |
| 180 |
typedef struct alloc_mark_s alloc_mark_t; |
| 181 |
|
| 182 |
/* Backwards compatibility. |
| 183 |
*/ |
| 184 |
typedef alloc_pool_t *alloc_id_t; |
| 185 |
typedef alloc_mark_t *alloc_mark_id_t; |
| 186 |
|
| 187 |
alloc_pool_t *alloc_create_pool PROTO((void)); |
| 188 |
void alloc_free_pool PROTO((alloc_pool_t *ap)); |
| 189 |
void alloc_reset_pool PROTO((alloc_pool_t *ap)); |
| 190 |
|
| 191 |
/* Various forms of allocation. alloc() aligns like malloc, |
| 192 |
* allocstr() doesn't. alloc_strdup() is like strdup() but |
| 193 |
* used allocstr() rather than malloc(). All of the preceding |
| 194 |
* calls panic if they run out memory. alloc_ck() and allocstr_ck() |
| 195 |
* are like alloc() and allocstr() except that they return NULL |
| 196 |
* rather than panicking if memory runs out. |
| 197 |
*/ |
| 198 |
voidptr alloc PROTO((alloc_pool_t *ap, size_t nbytes)); |
| 199 |
char *allocstr PROTO((alloc_pool_t *ap, size_t nbytes)); |
| 200 |
voidptr alloc_ck PROTO((alloc_pool_t *ap, size_t nbytes)); |
| 201 |
char *allocstr_ck PROTO((alloc_pool_t *ap, size_t nbytes)); |
| 202 |
char *alloc_strdup PROTO((alloc_pool_t *ap, const char *s)); |
| 203 |
|
| 204 |
/* Control - set and clear debug flags both globally and per-pool. |
| 205 |
* If the debug flag is set new memory is initialised to garbage |
| 206 |
* and set to (different) garbage when a pool is freed. |
| 207 |
*/ |
| 208 |
bool alloc_set_default_debug_flag PROTO((bool val)); |
| 209 |
bool alloc_set_debug_flag PROTO((alloc_pool_t *ap, bool val)); |
| 210 |
|
| 211 |
/* alloc_mark() returns an alloc_mark_id that represents the current |
| 212 |
* state of the alloc pool. alloc_release() releases any memory |
| 213 |
* allocated since the alloc_mark() call. |
| 214 |
*/ |
| 215 |
alloc_mark_t *alloc_mark PROTO((alloc_pool_t *ap)); |
| 216 |
void alloc_release PROTO((alloc_pool_t *ap, alloc_mark_t *am)); |
| 217 |
|
| 218 |
|
| 219 |
/* from ssplit.c */ |
| 220 |
|
| 221 |
char **ssplit PROTO((const char *line, const char *delimiters)); |
| 222 |
|
| 223 |
/* from ip.c */ |
| 224 |
|
| 225 |
#ifdef IPPROTO_TCP |
| 226 |
int get_host_addr PROTO((const char *hostname, struct in_addr *p_addr)); |
| 227 |
int get_service_port PROTO((const char *servname, int *p_port)); |
| 228 |
#endif |
| 229 |
|
| 230 |
/* from ebuf.c */ |
| 231 |
|
| 232 |
typedef struct ebuf_s ebuf_t; |
| 233 |
|
| 234 |
void ebuf_reset PROTO((ebuf_t *eb)); |
| 235 |
ebuf_t *ebuf_create PROTO((bool errors_are_fatal)); |
| 236 |
ebuf_t *ebuf_start PROTO((ebuf_t *ebuf, bool errors_are_fatal)); |
| 237 |
int ebuf_add PROTO((ebuf_t *eb, constvoidptr buf, size_t count)); |
| 238 |
int ebuf_addstr PROTO((ebuf_t *eb, const char *str)); |
| 239 |
voidptr ebuf_get PROTO((ebuf_t *eb, int *p_len)); |
| 240 |
void ebuf_free PROTO((ebuf_t *eb)); |
| 241 |
|
| 242 |
/* from sccsdata.c */ |
| 243 |
const char *ukcprog_version PROTO((void)); |
| 244 |
|
| 245 |
#ifdef __cplusplus |
| 246 |
} |
| 247 |
#endif |
| 248 |
|
| 249 |
#endif /* !UKCPROG_H_DEFINED */ |
