src/generic/initcode.c

#include <stdio.h>
#include <string.h>

int main(int argc, char *argv[])
{

    int c;
    int comment = 0;
    int linebreak = 1;
    const char *msg =
	"/* do not modify !! (automatically generated by initcode) */\n\n";
    char buf[32];
    int cnt;
    char *point;

    FILE *infp, *outfp;

    if (argc != 3) {
	printf("usage: %s infile outfile\n", argv[0]);
	return (1);
    }

    infp = fopen(argv[1], "r");

    if (!infp) {
	printf("could not open input file %s\n", argv[1]);
	return (1);
    }

    outfp = fopen(argv[2], "w");

    if (!outfp) {
	printf("could not open output file %s\n", argv[2]);
	fclose(infp);
	return (1);
    }

    fwrite(msg, strlen(msg), 1, outfp);

    fwrite("char ", 5, 1, outfp);

    if (argc == 4) {
	fwrite(argv[3], strlen(argv[3]), 1, outfp);
    }
    else {
	while ((point = strchr(argv[2], '.')) != NULL) {
	    *point = '_';
	}
	fwrite(argv[2], strlen(argv[2]), 1, outfp);
    }

    fwrite("[] = {", 6, 1, outfp);

    cnt = 0;

    while ((c = getc(infp)) != EOF) {

	if (linebreak && c == '#')
	    comment = 1;

	if (!comment) {
	    sprintf(buf, "0x%x,", c);
	    fwrite(buf, strlen(buf), 1, outfp);
	    cnt++;

	    if ((cnt % 10) == 0) {

		sprintf(buf, "\n  ");
		fwrite(buf, strlen(buf), 1, outfp);
	    }
	}

	linebreak = 0;

	if ((char) c == '\n') {
	    linebreak = 1;
	    comment = 0;
	}

    }

    sprintf(buf, "0x0};\n");
    fwrite(buf, strlen(buf), 1, outfp);

    fclose(infp);
    fclose(outfp);

    return (0);
}