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imagetool: make the image_save_datafile() available to all image types

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Move the image_save_datafile() function from an U-Multi specific file
(default_image.c) to a file common to all image types (image.c). And rename it
to genimg_save_datafile(), to make clear it is useful for any image type.

Signed-off-by: Guilherme Maciel Ferreira <guilherme.maciel.ferreira@gmail.com>
This commit is contained in:
Guilherme Maciel Ferreira 2015-01-15 02:48:06 -02:00 committed by Tom Rini
parent 0ca6691c2e
commit 067d156075
4 changed files with 46 additions and 28 deletions
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2
common/image.c
View file

@ -756,7 +756,7 @@ int genimg_get_format(const void *img_addr)
* genimg_get_image - get image from special storage (if necessary)
* @img_addr: image start address
*
* genimg_get_image() checks if provided image start adddress is located
* genimg_get_image() checks if provided image start address is located
* in a dataflash storage. If so, image is moved to a system RAM memory.
*
* returns:

28
tools/default_image.c
View file

@ -117,32 +117,6 @@ static void image_set_header(void *ptr, struct stat *sbuf, int ifd,
image_set_hcrc(hdr, checksum);
}
static int image_save_datafile(struct image_tool_params *params,
ulong file_data, ulong file_len)
{
int dfd;
const char *datafile = params->outfile;
dfd = open(datafile, O_RDWR | O_CREAT | O_TRUNC | O_BINARY,
S_IRUSR | S_IWUSR);
if (dfd < 0) {
fprintf(stderr, "%s: Can't open \"%s\": %s\n",
params->cmdname, datafile, strerror(errno));
return -1;
}
if (write(dfd, (void *)file_data, file_len) != (ssize_t)file_len) {
fprintf(stderr, "%s: Write error on \"%s\": %s\n",
params->cmdname, datafile, strerror(errno));
close(dfd);
return -1;
}
close(dfd);
return 0;
}
static int image_extract_datafile(void *ptr, struct image_tool_params *params)
{
const image_header_t *hdr = (const image_header_t *)ptr;
@ -170,7 +144,7 @@ static int image_extract_datafile(void *ptr, struct image_tool_params *params)
}
/* save the "data file" into the file system */
return image_save_datafile(params, file_data, file_len);
return imagetool_save_datafile(params->outfile, file_data, file_len);
}
/*

27
tools/imagetool.c
View file

@ -113,3 +113,30 @@ int imagetool_verify_print_header(
return retval;
}
int imagetool_save_datafile(
const char *file_name,
ulong file_data,
ulong file_len)
{
int dfd;
dfd = open(file_name, O_RDWR | O_CREAT | O_TRUNC | O_BINARY,
S_IRUSR | S_IWUSR);
if (dfd < 0) {
fprintf(stderr, "Can't open \"%s\": %s\n",
file_name, strerror(errno));
return -1;
}
if (write(dfd, (void *)file_data, file_len) != (ssize_t)file_len) {
fprintf(stderr, "Write error on \"%s\": %s\n",
file_name, strerror(errno));
close(dfd);
return -1;
}
close(dfd);
return 0;
}

17
tools/imagetool.h
View file

@ -181,6 +181,23 @@ int imagetool_verify_print_header(
struct image_type_params *tparams,
struct image_tool_params *params);
/**
* imagetool_save_datafile - store data into a file
* @file_name: name of the destination file
* @file_data: data to be written
* @file_len: the amount of data to store
*
* imagetool_save_datafile() store file_len bytes of data pointed by file_data
* into the file name by file_name.
*
* returns:
* zero in case of success or a negative value if fail.
*/
int imagetool_save_datafile(
const char *file_name,
ulong file_data,
ulong file_len);
/*
* There is a c file associated with supported image type low level code
* for ex. default_image.c, fit_image.c