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use getopt(), move code from emile-first-info.c

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This commit is contained in:
Laurent Vivier 2004-12-24 23:01:14 +00:00
parent 3111a9a2e6
commit 46bef4183b
1 changed files with 84 additions and 73 deletions
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157
tools/emile-first-tune.c
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@ -11,16 +11,34 @@
#include <sys/stat.h>
#include <fcntl.h>
#include <string.h>
#include <getopt.h>
#include "libemile.h"
enum {
ARG_NONE = 0,
ARG_HELP ='h',
ARG_DRIVE = 'd',
ARG_OFFSET ='o',
ARG_SIZE = 's',
};
static struct option long_options[] =
{
{"help", 0, NULL, ARG_HELP },
{"drive", 1, NULL, ARG_DRIVE },
{"offset", 1, NULL, ARG_OFFSET },
{"size", 1, NULL, ARG_SIZE },
{NULL, 0, NULL, 0 },
};
static void usage(int argc, char** argv)
{
fprintf(stderr, "Usage: %s [-d <drive>][-o <offset>][-s <size>] <image>\n", argv[0]);
fprintf(stderr, "\n set first level boot block info\n");
fprintf(stderr, " -d <drive> : set the drive number (default 1)\n");
fprintf(stderr, " -o <offset> : set offset of second level in bytes\n");
fprintf(stderr, " -s <size> : set size of second level in bytes\n");
fprintf(stderr, "Set EMILE first level boot block info\n");
fprintf(stderr, " -d, --drive <drive> set the drive number (default 1)\n");
fprintf(stderr, " -o, --offset <offset> set offset of second level in bytes\n");
fprintf(stderr, " -s, --size <size> set size of second level in bytes\n");
fprintf(stderr, "Display current values if no flags provided\n");
fprintf(stderr, "\nbuild: \n%s\n", SIGNATURE);
}
@ -37,6 +55,22 @@ int first_tune( char* image, unsigned short tune_mask, int drive_num,
perror("Cannot open image file");
return 2;
}
if (tune_mask == 0)
{
ret = emile_first_get_param(fd, &drive_num, &second_offset,
&second_size);
if (ret == 0)
{
printf("EMILE boot block identified\n\n");
printf("Drive number: %d\n", drive_num);
printf("Second level offset: %d\n", second_offset);
printf("Second level size: %d\n", second_size);
}
else
printf("EMILE is not installed in this bootblock\n");
return 0;
}
ret = emile_first_set_param(fd, tune_mask, drive_num, second_offset, second_size);
@ -47,89 +81,66 @@ int first_tune( char* image, unsigned short tune_mask, int drive_num,
int main(int argc, char** argv)
{
int ret;
int cargc;
char** cargv;
char* image;
unsigned short tune_mask;
int option_index;
int c;
char* image = NULL;
unsigned short tune_mask = 0;
int drive_num, second_offset, second_size;
tune_mask = 0;
image = NULL;
cargc = argc - 1;
cargv = argv + 1;
while (cargc > 0)
while(1)
{
if (strcmp(*cargv, "-d") == 0)
{
tune_mask |= EMILE_FIRST_TUNE_DRIVE;
cargv++;
cargc--;
if (cargv == 0)
{
fprintf(stderr, "-d needs drive number\n");
usage(argc, argv);
return 1;
}
drive_num = atoi(*cargv);
cargv++;
cargc--;
}
else if (strcmp(*cargv, "-o") == 0)
{
tune_mask |= EMILE_FIRST_TUNE_OFFSET;
cargv++;
cargc--;
if (cargv == 0)
{
fprintf(stderr, "-o needs offset\n");
usage(argc, argv);
return 1;
}
second_offset = atoi(*cargv);
second_offset = (second_offset + 0x1FF) & 0xFFFFFE00;
cargv++;
cargc--;
}
else if (strcmp(*cargv, "-s") == 0)
{
tune_mask |= EMILE_FIRST_TUNE_SIZE;
cargv++;
cargc--;
if (cargv == 0)
{
fprintf(stderr, "-s needs size\n");
usage(argc, argv);
return 1;
}
second_size = atoi(*cargv);
second_size = (second_size + 0x1FF) & 0xFFFFFE00;
cargv++;
cargc--;
}
else
{
if (image != NULL)
{
fprintf(stderr, "Duplicate filename %s %s\n",
image, *cargv);
usage(argc, argv);
return 1;
}
c = getopt_long(argc, argv, "hd:o:f:", long_options,
&option_index);
if (c == EOF)
break;
image = *cargv;
cargv++;
cargc--;
switch(c)
{
case ARG_HELP:
usage(argc, argv);
return 0;
case ARG_DRIVE:
tune_mask |= EMILE_FIRST_TUNE_DRIVE;
drive_num = atoi(optarg);
break;
case ARG_OFFSET:
tune_mask |= EMILE_FIRST_TUNE_OFFSET;
second_offset = atoi(optarg);
second_offset = (second_offset + 0x1FF) & 0xFFFFFE00;
break;
case ARG_SIZE:
tune_mask |= EMILE_FIRST_TUNE_SIZE;
second_size = atoi(optarg);
second_size = (second_size + 0x1FF) & 0xFFFFFE00;
break;
}
}
if (optind < argc)
image = argv[optind];
if (image == NULL)
{
fprintf(stderr, "Missing filename to apply tuning\n");
fprintf(stderr, "ERROR: Missing filename to apply tuning\n");
usage(argc, argv);
return 1;
}
ret = first_tune( image, tune_mask, drive_num, second_offset, second_size);
switch(ret)
{
case 0:
break;
case EEMILE_CANNOT_WRITE_FIRST:
fprintf(stderr, "ERROR: cannot write to file\n");
break;
case EEMILE_UNKNOWN_FIRST:
fprintf(stderr, "ERROR: unknown file format\n");
break;
default:
fprintf(stderr, "ERROR: unknowm error :-P\n");
break;
}
return ret;
}