b48b037fbe
servers/hgfs/hgfs_server => servers/hgfs servers/hgfs/libhgfs => lib/libhgfs servers/rs/service => commands/service drivers/memory/memory_driver => drivers/memory drivers/memory/ramdisk => drivers/ramdisk
130 lines
2 KiB
C
130 lines
2 KiB
C
/*
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bintoc.c
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Convert a (binary) file to a series of comma separated hex values suitable
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for initializing a character array in C.
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*/
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#define _POSIX_C_SOURCE 2
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#include <errno.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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static char *progname;
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static unsigned char buf[1024];
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static void fatal(char *fmt, ...);
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static void usage(void);
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int main(int argc, char *argv[])
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{
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int c, i, r, first;
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FILE *file_in, *file_out;
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char *in_name;
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char *o_arg;
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(progname=strrchr(argv[0],'/')) ? progname++ : (progname=argv[0]);
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o_arg= NULL;
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while (c= getopt(argc, argv, "?o:"), c != -1)
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{
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switch(c)
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{
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case '?': usage();
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case 'o': o_arg= optarg; break;
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default: fatal("getopt failed: '%c'\n", c);
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}
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}
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if (o_arg)
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{
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file_out= fopen(o_arg, "w");
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if (file_out == NULL)
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{
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fatal("unable to create '%s': %s\n",
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o_arg, strerror(errno));
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exit(1);
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}
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}
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else
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file_out= stdout;
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if (optind < argc)
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{
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in_name= argv[optind];
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optind++;
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file_in= fopen(in_name, "r");
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if (file_in == NULL)
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{
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fatal("unable to open '%s': %s",
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in_name, strerror(errno));
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}
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}
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else
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{
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in_name= "(stdin)";
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file_in= stdin;
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}
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if (optind != argc)
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usage();
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first= 1;
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for (;;)
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{
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r= fread(buf, 1, sizeof(buf), file_in);
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if (r == 0)
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break;
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for (i= 0; i<r; i++)
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{
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if ((i % 8) == 0)
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{
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if (first)
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{
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fprintf(file_out, "\t");
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first= 0;
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}
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else
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fprintf(file_out, ",\n\t");
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}
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else
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fprintf(file_out, ", ");
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fprintf(file_out, "0x%02x", buf[i]);
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}
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}
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if (ferror(file_in))
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{
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fatal("read error on %s: %s\n",
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in_name, strerror(errno));
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}
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fprintf(file_out, "\n");
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exit(0);
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}
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static void fatal(char *fmt, ...)
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{
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va_list ap;
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fprintf(stderr, "%s: ", progname);
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va_start(ap, fmt);
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vfprintf(stderr, fmt, ap);
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va_end(ap);
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fprintf(stderr, "\n");
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exit(1);
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}
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static void usage(void)
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{
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fprintf(stderr, "Usage: bintoc [-o <out-file>] [<in-file>]\n");
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exit(1);
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}
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