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-rw-r--r--tools/ifdtool.c30
1 files changed, 18 insertions, 12 deletions
diff --git a/tools/ifdtool.c b/tools/ifdtool.c
index 4cdfdcc..8afb6b5 100644
--- a/tools/ifdtool.c
+++ b/tools/ifdtool.c
@@ -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);