summaryrefslogtreecommitdiffstats
path: root/src/bldprogs/bin2c.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/bldprogs/bin2c.c')
-rw-r--r--src/bldprogs/bin2c.c274
1 files changed, 274 insertions, 0 deletions
diff --git a/src/bldprogs/bin2c.c b/src/bldprogs/bin2c.c
new file mode 100644
index 00000000..1e9a5a4d
--- /dev/null
+++ b/src/bldprogs/bin2c.c
@@ -0,0 +1,274 @@
+/* $Id: bin2c.c $ */
+/** @file
+ * bin2c - Binary 2 C Structure Converter.
+ */
+
+/*
+ * Copyright (C) 2006-2022 Oracle and/or its affiliates.
+ *
+ * This file is part of VirtualBox base platform packages, as
+ * available from https://www.virtualbox.org.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, in version 3 of the
+ * License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses>.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+
+
+/*********************************************************************************************************************************
+* Header Files *
+*********************************************************************************************************************************/
+#include <ctype.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <sys/types.h>
+
+
+/**
+ * File size.
+ *
+ * @returns file size in bytes.
+ * @returns 0 on failure.
+ * @param pFile File to size.
+ */
+static size_t fsize(FILE *pFile)
+{
+ long cbFile;
+ off_t Pos = ftell(pFile);
+ if ( Pos >= 0
+ && !fseek(pFile, 0, SEEK_END))
+ {
+ cbFile = ftell(pFile);
+ if ( cbFile >= 0
+ && !fseek(pFile, 0, SEEK_SET))
+ return cbFile;
+ }
+ return 0;
+}
+
+static int usage(const char *argv0)
+{
+ fprintf(stderr,
+ "Syntax: %s [options] <arrayname> <binaryfile> <outname>\n"
+ " --min <n> check if <binaryfile> is not smaller than <n>KB\n"
+ " --max <n> check if <binaryfile> is not bigger than <n>KB\n"
+ " --mask <n> check if size of binaryfile is <n>-aligned\n"
+ " --width <n> number of bytes per line (default: 16)\n"
+ " --break <n> break every <n> lines (default: -1)\n"
+ , argv0);
+ fprintf(stderr,
+ " --ascii show ASCII representation of binary as comment\n"
+ " --export emit DECLEXPORT\n"
+ " --append append to the output file (default: truncate)\n"
+ " --no-size Skip the size.\n"
+ " --static Static data scope.\n");
+
+ return 1;
+}
+
+int main(int argc, char *argv[])
+{
+ FILE *pFileIn;
+ FILE *pFileOut;
+ int iArg;
+ size_t cbMin = 0;
+ size_t cbMax = ~0U;
+ size_t uMask = 0;
+ int fAscii = 0;
+ int fAppend = 0;
+ int fExport = 0;
+ int fNoSize = 0;
+ int fStatic = 0;
+ long iBreakEvery = -1;
+ unsigned char abLine[32];
+ size_t cbLine = 16;
+ size_t off;
+ size_t cbRead;
+ size_t cbBin;
+ int rc = 1; /* assume the worst... */
+
+ if (argc < 2)
+ return usage(argv[0]);
+
+ for (iArg = 1; iArg < argc; iArg++)
+ {
+ if (!strcmp(argv[iArg], "--min") || !strcmp(argv[iArg], "-min"))
+ {
+ if (++iArg >= argc)
+ return usage(argv[0]);
+ cbMin = 1024 * strtoul(argv[iArg], NULL, 0);
+ }
+ else if (!strcmp(argv[iArg], "--max") || !strcmp(argv[iArg], "-max"))
+ {
+ if (++iArg >= argc)
+ return usage(argv[0]);
+ cbMax = 1024 * strtoul(argv[iArg], NULL, 0);
+ }
+ else if (!strcmp(argv[iArg], "--mask") || !strcmp(argv[iArg], "-mask"))
+ {
+ if (++iArg >= argc)
+ return usage(argv[0]);
+ uMask = strtoul(argv[iArg], NULL, 0);
+ }
+ else if (!strcmp(argv[iArg], "--ascii") || !strcmp(argv[iArg], "-ascii"))
+ fAscii = 1;
+ else if (!strcmp(argv[iArg], "--append"))
+ fAppend = 1;
+ else if (!strcmp(argv[iArg], "--export") || !strcmp(argv[iArg], "-export"))
+ fExport = 1;
+ else if (!strcmp(argv[iArg], "--no-size"))
+ fNoSize = 1;
+ else if (!strcmp(argv[iArg], "--static"))
+ fStatic = 1;
+ else if (!strcmp(argv[iArg], "--width") || !strcmp(argv[iArg], "-width"))
+ {
+ if (++iArg >= argc)
+ return usage(argv[0]);
+ cbLine = strtoul(argv[iArg], NULL, 0);
+ if (cbLine == 0 || cbLine > sizeof(abLine))
+ {
+ fprintf(stderr, "%s: '%s' is too wide, max %u\n",
+ argv[0], argv[iArg], (unsigned)sizeof(abLine));
+ return 1;
+ }
+ }
+ else if (!strcmp(argv[iArg], "--break") || !strcmp(argv[iArg], "-break"))
+ {
+ if (++iArg >= argc)
+ return usage(argv[0]);
+ iBreakEvery = strtol(argv[iArg], NULL, 0);
+ if (iBreakEvery <= 0 && iBreakEvery != -1)
+ {
+ fprintf(stderr, "%s: -break value '%s' is not >= 1 or -1.\n",
+ argv[0], argv[iArg]);
+ return 1;
+ }
+ }
+ else if (iArg == argc - 3)
+ break;
+ else
+ {
+ fprintf(stderr, "%s: syntax error: Unknown argument '%s'\n",
+ argv[0], argv[iArg]);
+ return usage(argv[0]);
+ }
+ }
+
+ pFileIn = fopen(argv[iArg+1], "rb");
+ if (!pFileIn)
+ {
+ fprintf(stderr, "Error: failed to open input file '%s'!\n", argv[iArg+1]);
+ return 1;
+ }
+
+ pFileOut = fopen(argv[iArg+2], fAppend ? "a" : "w"); /* no b! */
+ if (!pFileOut)
+ {
+ fprintf(stderr, "Error: failed to open output file '%s'!\n", argv[iArg+2]);
+ fclose(pFileIn);
+ return 1;
+ }
+
+ cbBin = fsize(pFileIn);
+
+ fprintf(pFileOut,
+ "/*\n"
+ " * This file was automatically generated\n"
+ " * from %s\n"
+ " * by %s.\n"
+ " */\n"
+ "\n"
+ "#include <iprt/cdefs.h>\n"
+ "\n"
+ "%sconst unsigned char%s g_ab%s[] =\n"
+ "{\n",
+ argv[iArg+1], argv[0], fStatic ? "static " : fExport ? "DECLEXPORT(" : "", !fStatic && fExport ? ")" : "", argv[iArg]);
+
+ /* check size restrictions */
+ if (uMask && (cbBin & uMask))
+ fprintf(stderr, "%s: size=%ld - Not aligned!\n", argv[0], (long)cbBin);
+ else if (cbBin < cbMin || cbBin > cbMax)
+ fprintf(stderr, "%s: size=%ld - Not %ld-%ldb in size!\n",
+ argv[0], (long)cbBin, (long)cbMin, (long)cbMax);
+ else
+ {
+ /* the binary data */
+ off = 0;
+ while ((cbRead = fread(&abLine[0], 1, cbLine, pFileIn)) > 0)
+ {
+ size_t j;
+
+ if ( iBreakEvery > 0
+ && off
+ && (off / cbLine) % iBreakEvery == 0)
+ fprintf(pFileOut, "\n");
+
+ fprintf(pFileOut, " ");
+ for (j = 0; j < cbRead; j++)
+ fprintf(pFileOut, " 0x%02x,", abLine[j]);
+ for (; j < cbLine; j++)
+ fprintf(pFileOut, " ");
+ if (fAscii)
+ {
+ fprintf(pFileOut, " /* 0x%08lx: ", (long)off);
+ for (j = 0; j < cbRead; j++)
+ /* be careful with '/' prefixed/followed by a '*'! */
+ fprintf(pFileOut, "%c",
+ isprint(abLine[j]) && abLine[j] != '/' ? abLine[j] : '.');
+ for (; j < cbLine; j++)
+ fprintf(pFileOut, " ");
+ fprintf(pFileOut, " */");
+ }
+ fprintf(pFileOut, "\n");
+
+ off += cbRead;
+ }
+
+ /* check for errors */
+ if (ferror(pFileIn) && !feof(pFileIn))
+ fprintf(stderr, "%s: read error\n", argv[0]);
+ else if (off != cbBin)
+ fprintf(stderr, "%s: read error off=%ld cbBin=%ld\n", argv[0], (long)off, (long)cbBin);
+ else
+ {
+ /* no errors, finish the structure. */
+ fprintf(pFileOut,
+ "};\n");
+
+ if (!fNoSize)
+ fprintf(pFileOut,
+ "\n"
+ "%sconst unsigned%s g_cb%s = sizeof(g_ab%s);\n",
+ fExport ? "DECLEXPORT(" : "", fExport ? ")" : "", argv[iArg], argv[iArg]);
+
+ fprintf(pFileOut, "/* end of file */\n");
+
+ /* flush output and check for error. */
+ fflush(pFileOut);
+ if (ferror(pFileOut))
+ fprintf(stderr, "%s: write error\n", argv[0]);
+ else
+ rc = 0; /* success! */
+ }
+ }
+
+ /* cleanup, delete the output file on failure. */
+ fclose(pFileOut);
+ fclose(pFileIn);
+ if (rc)
+ remove(argv[iArg+2]);
+
+ return rc;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-07 02:13:23 +0000