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file_utils: Add file_error function 

Added a generic function that displays a file operation error message.

Signed-off-by: Adrian Warecki <adrian.warecki@intel.com>
This commit is contained in:
Adrian Warecki 2023-03-07 12:18:47 +01:00 committed by pjdobrowolski
parent dd15443129
commit 32a5388c10
2 changed files with 26 additions and 12 deletions
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30
src/file_utils.c
View File

@ -8,9 +8,21 @@
#include <unistd.h>
#include <errno.h>
#include <assert.h>
#include <string.h>
#include <rimage/file_utils.h>
int file_error(const char *msg, const char *filename)
{
int code = errno;
char sys_msg[256];
strerror_r(code, sys_msg, sizeof(sys_msg));
fprintf(stderr, "%s:\terror: %s. %s (errno = %d)\n", filename, msg, sys_msg, code);
return -code;
}
int create_file_name(char *new_name, const size_t name_size, const char *template_name,
const char *new_ext)
{
@ -37,22 +49,16 @@ int get_file_size(FILE *f, const char* filename, size_t *size)
/* get file size */
ret = fseek(f, 0, SEEK_END);
if (ret < 0) {
fprintf(stderr, "error: unable to seek eof %s %d\n", filename, errno);
return -errno;
}
if (ret)
return file_error("unable to seek eof", filename);
*size = ftell(f);
if (*size < 0) {
fprintf(stderr, "error: unable to get file size for %s %d\n", filename, errno);
return -errno;
}
if (*size < 0)
return file_error("unable to get file size", filename);
ret = fseek(f, 0, SEEK_SET);
if (ret < 0) {
fprintf(stderr, "error: unable to seek set %s %d\n", filename, errno);
return -errno;
}
if (ret)
return file_error("unable to seek set", filename);
return 0;
}

8
src/include/rimage/file_utils.h
View File

@ -8,6 +8,14 @@
#include <stddef.h>
/**
* Print file operation error message
* @param [in]msg error message
* @param [in]filename File name used to display the error message
* @param error code
*/
int file_error(const char *msg, const char *filename);
/**
* Create new file name using output file name as template.
* @param [out] new_name char[] destination of new file name