x86: ifdtool: Display filename when file errors are reported

When a file is missing it helps to know which file. Update the error message
to print this information.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Simon Glass 2014-12-14 17:15:36 -07:00
parent 7e8ffa4ed8
commit fa8d3b00f9

View file

@ -465,6 +465,16 @@ static int write_regions(char *image, int size)
return ret;
}
static int perror_fname(const char *fmt, const char *fname)
{
char msg[strlen(fmt) + strlen(fname) + 1];
sprintf(msg, fmt, fname);
perror(msg);
return -1;
}
/**
* write_image() - Write the image to a file
*
@ -481,10 +491,10 @@ static int write_image(char *filename, char *image, int size)
new_fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC, S_IRUSR |
S_IWUSR | S_IRGRP | S_IROTH);
if (write(new_fd, image, size) != size) {
perror("Error while writing");
return -1;
}
if (new_fd < 0)
return perror_fname("Could not open file '%s'", filename);
if (write(new_fd, image, size) != size)
return perror_fname("Could not write file '%s'", filename);
close(new_fd);
return 0;
@ -586,14 +596,10 @@ int open_for_read(const char *fname, int *sizep)
int fd = open(fname, O_RDONLY);
struct stat buf;
if (fd == -1) {
perror("Could not open file");
return -1;
}
if (fstat(fd, &buf) == -1) {
perror("Could not stat file");
return -1;
}
if (fd == -1)
return perror_fname("Could not open file '%s'", fname);
if (fstat(fd, &buf) == -1)
return perror_fname("Could not stat file '%s'", fname);
*sizep = buf.st_size;
debug("File %s is %d bytes\n", fname, *sizep);