VirtualBox

source: vbox/trunk/src/bldprogs/bin2c.c@ 17827

Last change on this file since 17827 was 17692, checked in by vboxsync, 16 years ago

Removed a doubled "by".

  • Property svn:keywords set to Id
File size: 6.5 KB
Line 
1/* $Id: bin2c.c 17692 2009-03-11 13:20:41Z vboxsync $ */
2/** @file
3 * bin2c - Binary 2 C Structure Converter.
4 */
5
6/*
7 * Copyright (C) 2006-2007 Sun Microsystems, Inc.
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 *
17 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
18 * Clara, CA 95054 USA or visit http://www.sun.com if you need
19 * additional information or have any questions.
20 */
21
22/*******************************************************************************
23* Header Files *
24*******************************************************************************/
25#include <ctype.h>
26#include <stdio.h>
27#include <string.h>
28#include <stdlib.h>
29#include <sys/types.h>
30
31
32/**
33 * File size.
34 *
35 * @returns file size in bytes.
36 * @returns 0 on failure.
37 * @param pFile File to size.
38 */
39static size_t fsize(FILE *pFile)
40{
41 long cbFile;
42 off_t Pos = ftell(pFile);
43 if ( Pos >= 0
44 && !fseek(pFile, 0, SEEK_END))
45 {
46 cbFile = ftell(pFile);
47 if ( cbFile >= 0
48 && !fseek(pFile, 0, SEEK_SET))
49 return cbFile;
50 }
51 return 0;
52}
53
54static int usage(const char *argv0)
55{
56 fprintf(stderr,
57 "Syntax: %s [options] <arrayname> <binaryfile> <outname>\n"
58 " -min <n> check if <binaryfile> is not smaller than <n>KB\n"
59 " -max <n> check if <binaryfile> is not bigger than <n>KB\n"
60 " -mask <n> check if size of binaryfile is <n>-aligned\n"
61 " -ascii show ASCII representation of binary as comment\n",
62 argv0);
63
64 return 1;
65}
66
67int main(int argc, char *argv[])
68{
69 FILE *pFileIn;
70 FILE *pFileOut;
71 int i;
72 size_t cbMin = 0;
73 size_t cbMax = ~0U;
74 size_t uMask = 0;
75 int fAscii = 0;
76 int fExport = 0;
77 unsigned char abLine[16];
78 size_t off;
79 size_t cbRead;
80 size_t cbBin;
81 int rc = 1; /* assume the worst... */
82
83 if (argc < 2)
84 return usage(argv[0]);
85
86 for (i=1; i<argc; i++)
87 {
88 if (!strcmp(argv[i], "-min"))
89 {
90 if (++i >= argc)
91 return usage(argv[0]);
92 cbMin = 1024 * strtoul(argv[i], NULL, 0);
93 }
94 else if (!strcmp(argv[i], "-max"))
95 {
96 if (++i >= argc)
97 return usage(argv[0]);
98 cbMax = 1024 * strtoul(argv[i], NULL, 0);
99 }
100 else if (!strcmp(argv[i], "-mask"))
101 {
102 if (++i >= argc)
103 return usage(argv[0]);
104 uMask = strtoul(argv[i], NULL, 0);
105 }
106 else if (!strcmp(argv[i], "-ascii"))
107 {
108 fAscii = 1;
109 }
110 else if (!strcmp(argv[i], "-export"))
111 {
112 fExport = 1;
113 }
114 else if (i == argc - 3)
115 break;
116 else
117 {
118 fprintf(stderr, "%s: syntax error: Unknown argument '%s'\n",
119 argv[0], argv[i]);
120 return usage(argv[0]);
121 }
122 }
123
124 pFileIn = fopen(argv[i+1], "rb");
125 if (!pFileIn)
126 {
127 fprintf(stderr, "Error: failed to open input file '%s'!\n", argv[i+1]);
128 return 1;
129 }
130
131 pFileOut = fopen(argv[i+2], "wb");
132 if (!pFileOut)
133 {
134 fprintf(stderr, "Error: failed to open output file '%s'!\n", argv[i+2]);
135 fclose(pFileIn);
136 return 1;
137 }
138
139 cbBin = fsize(pFileIn);
140
141 fprintf(pFileOut,
142 "/*\n"
143 " * This file was automatically generated\n"
144 " * from %s\n"
145 " * by %s.\n"
146 " */\n"
147 "\n"
148 "#include <iprt/cdefs.h>\n"
149 "\n"
150 "%sconst unsigned char%s g_ab%s[] =\n"
151 "{\n",
152 argv[i+1], argv[0], fExport ? "DECLEXPORT(" : "", fExport ? ")" : "", argv[i]);
153
154 /* check size restrictions */
155 if (uMask && (cbBin & uMask))
156 fprintf(stderr, "%s: size=%ld - Not aligned!\n", argv[0], (long)cbBin);
157 else if (cbBin < cbMin || cbBin > cbMax)
158 fprintf(stderr, "%s: size=%ld - Not %ld-%ldb in size!\n",
159 argv[0], (long)cbBin, (long)cbMin, (long)cbMax);
160 else
161 {
162 /* the binary data */
163 off = 0;
164 while ((cbRead = fread(&abLine[0], 1, sizeof(abLine), pFileIn)) > 0)
165 {
166 size_t i;
167 fprintf(pFileOut, " ");
168 for (i = 0; i < cbRead; i++)
169 fprintf(pFileOut, " 0x%02x,", abLine[i]);
170 for (; i < sizeof(abLine); i++)
171 fprintf(pFileOut, " ");
172 if (fAscii)
173 {
174 fprintf(pFileOut, " /* 0x%08lx: ", (long)off);
175 for (i = 0; i < cbRead; i++)
176 /* be careful with '/' prefixed/followed by a '*'! */
177 fprintf(pFileOut, "%c",
178 isprint(abLine[i]) && abLine[i] != '/' ? abLine[i] : '.');
179 for (; i < sizeof(abLine); i++)
180 fprintf(pFileOut, " ");
181 fprintf(pFileOut, " */");
182 }
183 fprintf(pFileOut, "\n");
184
185 off += cbRead;
186 }
187
188 /* check for errors */
189 if (ferror(pFileIn) && !feof(pFileIn))
190 fprintf(stderr, "%s: read error\n", argv[0]);
191 else if (off != cbBin)
192 fprintf(stderr, "%s: read error off=%ld cbBin=%ld\n", argv[0], (long)off, (long)cbBin);
193 else
194 {
195 /* no errors, finish the structure. */
196 fprintf(pFileOut,
197 "};\n"
198 "\n"
199 "%sconst unsigned%s g_cb%s = sizeof(g_ab%s);\n"
200 "/* end of file */\n",
201 fExport ? "DECLEXPORT(" : "", fExport ? ")" : "", argv[i], argv[i]);
202
203 /* flush output and check for error. */
204 fflush(pFileOut);
205 if (ferror(pFileOut))
206 fprintf(stderr, "%s: write error\n", argv[0]);
207 else
208 rc = 0; /* success! */
209 }
210 }
211
212 /* cleanup, delete the output file on failure. */
213 fclose(pFileOut);
214 fclose(pFileIn);
215 if (rc)
216 remove(argv[i+2]);
217
218 return rc;
219}
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