source: trunk/src/ash/generated/init.c@ 2137

Last change on this file since 2137 was 631, checked in by bird, 19 years ago

Checked in the generated source code.
File size: 6.6 KB
Line 
1/*
2 * This file was generated by the mkinit program.
3 */
4
5#include "shell.h"
6#include "mystring.h"
7#include "init.h"
8#include "eval.h"
9#include <stdio.h>
10#include "input.h"
11#include "error.h"
12#include <stdlib.h>
13#include "options.h"
14#include "output.h"
15#include "memalloc.h"
16#include "redir.h"
17#include <signal.h>
18#include "trap.h"
19#include "var.h"
20
21
22
23#undef ATABSIZE
24#define ATABSIZE 39
25#undef MAXPWD
26#define MAXPWD 256
27#undef ALL
28#define ALL (E_OPEN|E_CREAT|E_EXEC)
29#undef EV_EXIT
30#define EV_EXIT 01 /* exit after evaluating tree */
31#undef EV_TESTED
32#define EV_TESTED 02 /* exit status is checked; ignore -e flag */
33#undef EV_BACKCMD
34#define EV_BACKCMD 04 /* command executing within back quotes */
35#undef CMDTABLESIZE
36#define CMDTABLESIZE 31 /* should be prime */
37#undef ARB
38#define ARB 1 /* actual size determined at run time */
39#undef NEWARGS
40#define NEWARGS 5
41#undef MAXHISTLOOPS
42#define MAXHISTLOOPS 4 /* max recursions through fc */
43#undef DEFEDITOR
44#define DEFEDITOR "ed" /* default editor *should* be $EDITOR */
45#undef editing
46#define editing (Eflag || Vflag)
47#undef EOF_NLEFT
48#define EOF_NLEFT -99 /* value of parsenleft when EOF pushed back */
49#undef MAXMBOXES
50#define MAXMBOXES 10
51#undef PROFILE
52#define PROFILE 0
53#undef SIGSSIZE
54#define SIGSSIZE (sizeof(sigs)/sizeof(sigs[0]))
55#undef MINSIZE
56#define MINSIZE 504 /* minimum size of a block */
57#undef DEFINE_OPTIONS
58#define DEFINE_OPTIONS
59#undef OUTBUFSIZ
60#define OUTBUFSIZ BUFSIZ
61#undef BLOCK_OUT
62#define BLOCK_OUT -2 /* output to a fixed block of memory */
63#undef MEM_OUT
64#define MEM_OUT -3 /* output to dynamically allocated memory */
65#undef OUTPUT_ERR
66#define OUTPUT_ERR 01 /* error occurred on output */
67#undef TEMPSIZE
68#define TEMPSIZE 24
69#undef HAVE_VASPRINTF
70#define HAVE_VASPRINTF 1
71#undef EOFMARKLEN
72#define EOFMARKLEN 79
73#undef OPENBRACE
74#define OPENBRACE '{'
75#undef CLOSEBRACE
76#define CLOSEBRACE '}'
77#undef EMPTY
78#define EMPTY -2 /* marks an unused slot in redirtab */
79#undef S_DFL
80#define S_DFL 1 /* default signal handling (SIG_DFL) */
81#undef S_CATCH
82#define S_CATCH 2 /* signal is caught */
83#undef S_IGN
84#define S_IGN 3 /* signal is ignored (SIG_IGN) */
85#undef S_HARD_IGN
86#define S_HARD_IGN 4 /* signal is ignored permenantly */
87#undef S_RESET
88#define S_RESET 5 /* temporary - to reset a hard ignored sig */
89#undef INCL_BASE
90#define INCL_BASE
91#undef LIBPATHSTRICT
92#define LIBPATHSTRICT 3
93#undef QHINF_EXEINFO
94#define QHINF_EXEINFO 1 /* NE exeinfo. */
95#undef QHINF_READRSRCTBL
96#define QHINF_READRSRCTBL 2 /* Reads from the resource table. */
97#undef QHINF_READFILE
98#define QHINF_READFILE 3 /* Reads from the executable file. */
99#undef QHINF_LIBPATHLENGTH
100#define QHINF_LIBPATHLENGTH 4 /* Gets the libpath length. */
101#undef QHINF_LIBPATH
102#define QHINF_LIBPATH 5 /* Gets the entire libpath. */
103#undef QHINF_FIXENTRY
104#define QHINF_FIXENTRY 6 /* NE only */
105#undef QHINF_STE
106#define QHINF_STE 7 /* NE only */
107#undef QHINF_MAPSEL
108#define QHINF_MAPSEL 8 /* NE only */
109#undef VTABSIZE
110#define VTABSIZE 39
111#undef VTABSIZE
112#define VTABSIZE 517
113#undef main
114#define main echocmd
115#undef main
116#define main killcmd
117
118
119
120extern void rmaliases(void);
121
122extern int loopnest; /* current loop nesting level */
123
124extern void deletefuncs(void);
125extern void hash_special_builtins(void);
126
127struct strpush {
128 struct strpush *prev; /* preceding string on stack */
129 char *prevstring;
130 int prevnleft;
131 int prevlleft;
132 struct alias *ap; /* if push was associated with an alias */
133};
134
135struct parsefile {
136 struct parsefile *prev; /* preceding file on stack */
137 int linno; /* current line */
138 int fd; /* file descriptor (or -1 if string) */
139 int nleft; /* number of chars left in this line */
140 int lleft; /* number of chars left in this buffer */
141 char *nextc; /* next char in buffer */
142 char *buf; /* input buffer */
143 struct strpush *strpush; /* for pushing strings at this level */
144 struct strpush basestrpush; /* so pushing one is fast */
145};
146
147extern int parselleft; /* copy of parsefile->lleft */
148extern struct parsefile basepf; /* top level input file */
149extern char basebuf[BUFSIZ]; /* buffer for top level input file */
150
151extern pid_t backgndpid; /* pid of last background process */
152extern int jobctl;
153
154extern int tokpushback; /* last token pushed back */
155extern int checkkwd; /* 1 == check for kwds, 2 == also eat newlines */
156
157struct redirtab {
158 struct redirtab *next;
159 short renamed[10];
160};
161
162extern struct redirtab *redirlist;
163
164extern char sigmode[NSIG]; /* current value of signal */
165
166extern char **environ;
167
168
169
170/*
171 * Initialization code.
172 */
173
174void
175init() {
176
177 /* from exec.c: */
178 {
179 hash_special_builtins();
180 }
181
182 /* from input.c: */
183 {
184 basepf.nextc = basepf.buf = basebuf;
185 }
186
187 /* from var.c: */
188 {
189 char **envp;
190
191 initvar();
192 for (envp = environ ; *envp ; envp++) {
193 if (strchr(*envp, '=')) {
194 setvareq(*envp, VEXPORT|VTEXTFIXED);
195 }
196 }
197 }
198}
199
200
201
202/*
203 * This routine is called when an error or an interrupt occurs in an
204 * interactive shell and control is returned to the main command loop.
205 */
206
207void
208reset() {
209
210 /* from eval.c: */
211 {
212 evalskip = 0;
213 loopnest = 0;
214 funcnest = 0;
215 }
216
217 /* from input.c: */
218 {
219 if (exception != EXSHELLPROC)
220 parselleft = parsenleft = 0; /* clear input buffer */
221 popallfiles();
222 }
223
224 /* from output.c: */
225 {
226 out1 = &output;
227 out2 = &errout;
228 if (memout.buf != NULL) {
229 ckfree(memout.buf);
230 memout.buf = NULL;
231 }
232 }
233
234 /* from parser.c: */
235 {
236 tokpushback = 0;
237 checkkwd = 0;
238 }
239
240 /* from redir.c: */
241 {
242 while (redirlist)
243 popredir();
244 }
245}
246
247
248
249/*
250 * This routine is called to initialize the shell to run a shell procedure.
251 */
252
253void
254initshellproc() {
255
256 /* from alias.c: */
257 {
258 rmaliases();
259 }
260
261 /* from eval.c: */
262 {
263 exitstatus = 0;
264 }
265
266 /* from exec.c: */
267 {
268 deletefuncs();
269 }
270
271 /* from input.c: */
272 {
273 popallfiles();
274 }
275
276 /* from jobs.c: */
277 {
278 backgndpid = -1;
279#if JOBS
280 jobctl = 0;
281#endif
282 }
283
284 /* from options.c: */
285 {
286 int i;
287
288 for (i = 0; optlist[i].name; i++)
289 optlist[i].val = 0;
290 optschanged();
291
292 }
293
294 /* from redir.c: */
295 {
296 clearredir(0);
297 }
298
299 /* from trap.c: */
300 {
301 char *sm;
302
303 clear_traps(0);
304 for (sm = sigmode ; sm < sigmode + NSIG ; sm++) {
305 if (*sm == S_IGN)
306 *sm = S_HARD_IGN;
307 }
308 }
309
310 /* from var.c: */
311 {
312 shprocvar();
313 }
314}
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