mirror of
https://github.com/t-crest/rtems.git
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2007-09-04 Joel Sherrill <joel.sherrill@oarcorp.com>
* bin2c.c: Significant improvements -- add multiple options, generate both C and H files, do not always generate static. fix indentation, add comments.
This commit is contained in:
Joel Sherrill
@@ -1,3 +1,9 @@
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2007-09-04 Joel Sherrill <joel.sherrill@oarcorp.com>
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* bin2c.c: Significant improvements -- add multiple options, generate
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both C and H files, do not always generate static. fix indentation,
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add comments.
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2007-09-04 Joel Sherrill <joel.sherrill@oarcorp.com>
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* bin2c.c: New file.
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@@ -1,17 +1,23 @@
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// bin2c.c
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//
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// convert a binary file into a C source vector
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//
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// put into the public domain by Sandro Sigala
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//
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// syntax: bin2c [-c] [-z] <input_file> <output_file>
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//
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// -c add the "const" keyword to definition
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// -z terminate the array with a zero (useful for embedded C strings)
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//
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// examples:
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// bin2c -c myimage.png myimage_png.cpp
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// bin2c -z sometext.txt sometext_txt.cpp
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/*
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* bin2c.c
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*
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* convert a binary file into a C source vector
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*
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* put into the public domain by Sandro Sigala
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*
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* syntax: bin2c [-c] [-z] <input_file> <output_file>
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*
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* -c do NOT add the "const" keyword to definition
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* -s add the "static" keywork to definition
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* -z terminate the array with a zero (useful for embedded C strings)
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*
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* examples:
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* bin2c -c myimage.png myimage_png.cpp
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* bin2c -z sometext.txt sometext_txt.cpp
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*
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* From:
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* http://www.wxwidgets.org/wiki/index.php/Embedding_PNG_Images-Bin2c_In_C
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*/
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#include <ctype.h>
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#include <stdio.h>
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@@ -22,87 +28,235 @@
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#define PATH_MAX 1024
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#endif
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int useconst = 0;
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int useconst = 1;
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int usestatic = 0;
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int verbose = 0;
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int zeroterminated = 0;
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int myfgetc(FILE *f)
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{
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int c = fgetc(f);
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if (c == EOF && zeroterminated) {
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zeroterminated = 0;
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return 0;
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}
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return c;
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int c = fgetc(f);
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if (c == EOF && zeroterminated) {
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zeroterminated = 0;
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return 0;
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}
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return c;
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}
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void process(const char *ifname, const char *ofname)
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{
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FILE *ifile, *ofile;
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ifile = fopen(ifname, "rb");
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if (ifile == NULL) {
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fprintf(stderr, "cannot open %s for reading\n", ifname);
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exit(1);
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}
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ofile = fopen(ofname, "wb");
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if (ofile == NULL) {
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fprintf(stderr, "cannot open %s for writing\n", ofname);
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exit(1);
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}
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char buf[PATH_MAX], *p;
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const char *cp;
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if ((cp = strrchr(ifname, '/')) != NULL)
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++cp;
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else {
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if ((cp = strrchr(ifname, '\\')) != NULL)
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++cp;
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else
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cp = ifname;
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}
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strcpy(buf, cp);
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for (p = buf; *p != '\0'; ++p)
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if (!isalnum(*p))
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*p = '_';
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fprintf(ofile, "static %sunsigned char %s[] = {\n", useconst ? "const " : "", buf);
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int c, col = 1;
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while ((c = myfgetc(ifile)) != EOF) {
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if (col >= 78 - 6) {
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fputc('\n', ofile);
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col = 1;
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}
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fprintf(ofile, "0x%.2x, ", c);
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col += 6;
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FILE *ifile, *ocfile, *ohfile;
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char buf[PATH_MAX], *p;
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char obasename[PATH_MAX];
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char ocname[PATH_MAX];
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char ohname[PATH_MAX];
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const char *cp;
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size_t len;
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}
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fprintf(ofile, "\n};\n");
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/* Error check */
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if ( !ifname || !ofname ) {
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fprintf(stderr, "process has NULL filename\n");
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exit(1);
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}
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fclose(ifile);
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fclose(ofile);
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strncpy( obasename, ofname, PATH_MAX );
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len = strlen( obasename );
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if ( obasename[len-2] == '.' && obasename[len-1] == 'c' )
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obasename[len-2] = '\0';
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sprintf( ocname, "%s.c", obasename );
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sprintf( ohname, "%s.h", obasename );
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if ( verbose ) {
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fprintf(
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stderr,
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"in file: %s\n"
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"c file: %s\n"
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"h file: %s\n",
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ifname,
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ocname,
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ohname
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);
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}
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/* Open input and output files */
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ifile = fopen(ifname, "rb");
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if (ifile == NULL) {
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fprintf(stderr, "cannot open %s for reading\n", ifname);
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exit(1);
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}
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ocfile = fopen(ocname, "wb");
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if (ocfile == NULL) {
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fprintf(stderr, "cannot open %s for writing\n", ocname);
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exit(1);
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}
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ohfile = fopen(ohname, "wb");
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if (ohfile == NULL) {
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fprintf(stderr, "cannot open %s for writing\n", ohname);
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exit(1);
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}
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/* find basename */
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if ((cp = strrchr(ifname, '/')) != NULL)
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++cp;
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else {
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if ((cp = strrchr(ifname, '\\')) != NULL)
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++cp;
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else
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cp = ifname;
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}
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strcpy(buf, cp);
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for (p = buf; *p != '\0'; ++p)
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if (!isalnum(*p))
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*p = '_';
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/* print C file header */
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fprintf(
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ocfile,
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"/*\n"
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" * Declarations for C structure representing binary file %s\n"
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" *\n"
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" * WARNING: Automatically generated -- do not edit!\n"
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" */\n"
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"\n"
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"#include <sys/types.h>\n"
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"\n",
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ifname
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);
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/* print structure */
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fprintf(
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ocfile,
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"%s%sunsigned char %s[] = {\n ",
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((usestatic) ? "static " : ""),
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((useconst) ? "const " : ""),
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buf
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);
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int c, col = 1;
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while ((c = myfgetc(ifile)) != EOF) {
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if (col >= 78 - 6) {
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fprintf(ocfile, "\n ");
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col = 1;
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}
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fprintf(ocfile, "0x%.2x, ", c);
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col += 6;
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}
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fprintf(ocfile, "\n};\n");
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/* print sizeof */
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fprintf(
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ocfile,
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"\n"
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"%s%ssize_t %s_size = sizeof(%s);\n",
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((usestatic) ? "static " : ""),
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((useconst) ? "const " : ""),
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buf,
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buf
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);
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/*****************************************************************/
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/****** END OF C FILE *****/
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/*****************************************************************/
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/* print H file header */
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fprintf(
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ohfile,
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"/*\n"
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" * Extern declarations for C structure representing binary file %s\n"
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" *\n"
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" * WARNING: Automatically generated -- do not edit!\n"
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" */\n"
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"\n"
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"#ifndef __%s_h\n"
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"#define __%s_h\n"
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"\n"
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"#include <sys/types.h>\n"
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"\n",
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obasename, /* header */
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obasename, /* ifndef */
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obasename /* define */
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);
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/* print structure */
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fprintf(
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ohfile,
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"extern %s%sunsigned char %s[];",
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((usestatic) ? "static " : ""),
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((useconst) ? "const " : ""),
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buf
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);
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/* print sizeof */
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fprintf(
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ohfile,
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"\n"
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"extern %s%ssize_t %s_size;\n",
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((usestatic) ? "static " : ""),
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((useconst) ? "const " : ""),
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buf
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);
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fprintf(
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ohfile,
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"\n"
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"#endif\n"
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);
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/*****************************************************************/
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/****** END OF H FILE *****/
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/*****************************************************************/
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fclose(ifile);
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fclose(ocfile);
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fclose(ohfile);
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}
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void usage(void)
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{
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fprintf(stderr, "usage: bin2c [-cz] <input_file> <output_file>\n");
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exit(1);
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fprintf(
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stderr,
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"usage: bin2c [-csvz] <input_file> <output_file>\n"
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" <input_file> is the binary file to convert\n"
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" <output_file> should not have a .c or .h extension\n"
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"\n"
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" -c - do NOT use const in declaration\n"
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" -s - do use static in declaration\n"
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" -v - verbose\n"
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" -z - add zero terminator\n"
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);
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exit(1);
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}
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int main(int argc, char **argv)
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{
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while (argc > 3) {
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if (!strcmp(argv[1], "-c")) {
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useconst = 1;
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--argc;
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++argv;
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} else if (!strcmp(argv[1], "-z")) {
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zeroterminated = 1;
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--argc;
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++argv;
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} else {
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usage();
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}
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}
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if (argc != 3) {
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usage();
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}
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process(argv[1], argv[2]);
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return 0;
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while (argc > 3) {
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if (!strcmp(argv[1], "-c")) {
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useconst = 0;
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--argc;
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++argv;
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} else if (!strcmp(argv[1], "-s")) {
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usestatic = 1;
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--argc;
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++argv;
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} else if (!strcmp(argv[1], "-v")) {
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usestatic = 1;
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--argc;
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++argv;
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} else if (!strcmp(argv[1], "-z")) {
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zeroterminated = 1;
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--argc;
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++argv;
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} else {
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usage();
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}
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}
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if (argc != 3) {
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usage();
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}
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/* process( input_file, output_basename ) */
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process(argv[1], argv[2]);
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return 0;
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}
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