2007-09-04 Joel Sherrill <joel.sherrill@oarcorp.com>

	* bin2c.c: New file.
	http://www.wxwidgets.org/wiki/index.php/Embedding_PNG_Images-Bin2c_In_C

1 files changed, 108 insertions, 0 deletions

diff --git a/tools/build/rtems-bin2c.c b/tools/build/rtems-bin2c.c
new file mode 100644
index 0000000000..3bc8dd13a9
--- /dev/null
+++ b/tools/build/rtems-bin2c.c
@@ -0,0 +1,108 @@
+// bin2c.c
+//
+// convert a binary file into a C source vector
+//
+// put into the public domain by Sandro Sigala
+//
+// syntax:  bin2c [-c] [-z] <input_file> <output_file>
+//
+//          -c    add the "const" keyword to definition
+//          -z    terminate the array with a zero (useful for embedded C strings)
+//
+// examples:
+//     bin2c -c myimage.png myimage_png.cpp
+//     bin2c -z sometext.txt sometext_txt.cpp
+
+#include <ctype.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#ifndef PATH_MAX
+#define PATH_MAX 1024
+#endif
+
+int useconst = 0;
+int zeroterminated = 0;
+
+int myfgetc(FILE *f)
+{
+	int c = fgetc(f);
+	if (c == EOF && zeroterminated) {
+		zeroterminated = 0;
+		return 0;
+	}
+	return c;
+}
+
+void process(const char *ifname, const char *ofname)
+{
+	FILE *ifile, *ofile;
+	ifile = fopen(ifname, "rb");
+	if (ifile == NULL) {
+		fprintf(stderr, "cannot open %s for reading\n", ifname);
+		exit(1);
+	}
+	ofile = fopen(ofname, "wb");
+	if (ofile == NULL) {
+		fprintf(stderr, "cannot open %s for writing\n", ofname);
+		exit(1);
+	}
+	char buf[PATH_MAX], *p;
+	const char *cp;
+	if ((cp = strrchr(ifname, '/')) != NULL)
+		++cp;
+	else {
+		if ((cp = strrchr(ifname, '\\')) != NULL)
+			++cp;
+		else
+			cp = ifname;
+	}
+	strcpy(buf, cp);
+	for (p = buf; *p != '\0'; ++p)
+		if (!isalnum(*p))
+			*p = '_';
+	fprintf(ofile, "static %sunsigned char %s[] = {\n", useconst ? "const " : "", buf);
+	int c, col = 1;
+	while ((c = myfgetc(ifile)) != EOF) {
+		if (col >= 78 - 6) {
+			fputc('\n', ofile);
+			col = 1;
+		}
+		fprintf(ofile, "0x%.2x, ", c);
+		col += 6;
+
+	}
+	fprintf(ofile, "\n};\n");
+
+	fclose(ifile);
+	fclose(ofile);
+}
+
+void usage(void)
+{
+	fprintf(stderr, "usage: bin2c [-cz] <input_file> <output_file>\n");
+	exit(1);
+}
+
+int main(int argc, char **argv)
+{
+	while (argc > 3) {
+		if (!strcmp(argv[1], "-c")) {
+			useconst = 1;
+			--argc;
+			++argv;
+		} else if (!strcmp(argv[1], "-z")) {
+			zeroterminated = 1;
+			--argc;
+			++argv;
+		} else {
+			usage();
+		}
+	}
+	if (argc != 3) {
+		usage();
+	}
+	process(argv[1], argv[2]);
+	return 0;
+}