1 /* $NetBSD: emit.c,v 1.2 2002/01/21 19:49:51 tv Exp $ */
4 * Copyright (c) 1994, 1995 Jochen Pohl
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by Jochen Pohl for
19 * 4. The name of the author may not be used to endorse or promote products
20 * derived from this software without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 #include <sys/cdefs.h>
35 #if defined(__RCSID) && !defined(lint)
36 __RCSID("$NetBSD: emit.c,v 1.2 2002/01/21 19:49:51 tv Exp $");
45 /* name and handle of output file */
46 static const char *loname;
49 /* output buffer data */
52 static void outxbuf(void);
59 outopen(const char *name)
64 /* Open output file */
65 if ((lout = fopen(name, "w")) == NULL)
66 err(1, "cannot open '%s'", name);
68 /* Create output buffer */
70 ob.o_end = (ob.o_buf = ob.o_nxt = xmalloc(ob.o_len)) + ob.o_len;
74 * flush output buffer and close file
81 if (fclose(lout) == EOF)
82 err(1, "cannot close '%s'", loname);
86 * resize output buffer
93 coffs = ob.o_nxt - ob.o_buf;
95 ob.o_end = (ob.o_buf = xrealloc(ob.o_buf, ob.o_len)) + ob.o_len;
96 ob.o_nxt = ob.o_buf + coffs;
100 * reset output buffer
101 * if it is not empty, it is flushed
108 if (ob.o_buf != ob.o_nxt) {
110 sz = ob.o_nxt - ob.o_buf;
112 errx(1, "internal error: outclr() 1");
113 if (fwrite(ob.o_buf, sz, 1, lout) != 1)
114 err(1, "cannot write to %s", loname);
120 * write a character to the output buffer
126 if (ob.o_nxt == ob.o_end)
128 *ob.o_nxt++ = (char)c;
132 * write a character to the output buffer, qouted if necessary
138 if (isprint(c) && c != '\\' && c != '"' && c != '\'') {
174 outchar((((u_int)c >> 6) & 07) + '0');
175 outchar((((u_int)c >> 3) & 07) + '0');
176 outchar((c & 07) + '0');
183 * write a strint to the output buffer
184 * the string must not contain any characters which
188 outstrg(const char *s)
192 if (ob.o_nxt == ob.o_end)
199 * write an integer value to toe output buffer
205 if ((ob.o_end - ob.o_nxt) < 3 * sizeof (int))
207 ob.o_nxt += sprintf(ob.o_nxt, "%d", i);
211 * write the name of a symbol to the output buffer
212 * the name is preceded by its length
215 outname(const char *name)
219 errx(1, "internal error: outname() 1");
220 outint((int)strlen(name));
225 * write the name of the .c source
228 outsrc(const char *name)