use more busybox functions and remove redundant code
diff --git a/coreutils/sum.c b/coreutils/sum.c
index 2618648..d68043c 100644
--- a/coreutils/sum.c
+++ b/coreutils/sum.c
@@ -56,11 +56,9 @@
fp = stdin;
have_read_stdin = 1;
} else {
- fp = fopen(file, "r");
- if (fp == NULL) {
- bb_perror_msg("%s", file);
+ fp = bb_wfopen(file, "r");
+ if (fp == NULL)
return 0;
- }
}
while ((ch = getc(fp)) != EOF) {
@@ -71,22 +69,22 @@
}
if (ferror(fp)) {
- bb_perror_msg("%s", file);
- if (!IS_STDIN(file))
- fclose(fp);
+ bb_perror_msg(file);
+ bb_fclose_nonstdin(fp);
return 0;
}
- if (!IS_STDIN(file) && fclose(fp) == EOF) {
- bb_perror_msg("%s", file);
+ if (bb_fclose_nonstdin(fp) == EOF) {
+ bb_perror_msg(file);
return 0;
}
- printf("%05d %5s", checksum,
+ printf("%05d %5s ", checksum,
make_human_readable_str(total_bytes, 1, 1024));
if (print_name > 1)
- printf(" %s", file);
- putchar('\n');
+ puts(file);
+ else
+ printf("\n");
return 1;
}
@@ -112,7 +110,7 @@
} else {
fd = open(file, O_RDONLY);
if (fd == -1) {
- bb_perror_msg("%s", file);
+ bb_perror_msg(file);
return 0;
}
}
@@ -125,7 +123,7 @@
break;
if (bytes_read == -1) {
- bb_perror_msg("%s", file);
+ bb_perror_msg(file);
if (!IS_STDIN(file))
close(fd);
return 0;
@@ -137,18 +135,19 @@
}
if (!IS_STDIN(file) && close(fd) == -1) {
- bb_perror_msg("%s", file);
+ bb_perror_msg(file);
return 0;
}
r = (s & 0xffff) + ((s & 0xffffffff) >> 16);
checksum = (r & 0xffff) + (r >> 16);
- printf("%d %s", checksum,
+ printf("%d %s ", checksum,
make_human_readable_str(total_bytes, 1, 512));
if (print_name)
- printf(" %s", file);
- putchar('\n');
+ puts(file);
+ else
+ printf("\n");
return 1;
}