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use more busybox functions and remove redundant code

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This commit is contained in:
Mike Frysinger 2005-05-16 22:35:59 +00:00
parent b2312e9901
commit 1fb7961e08
1 changed files with 17 additions and 18 deletions
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35
coreutils/sum.c
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@ -56,11 +56,9 @@ static int bsd_sum_file(const char *file, int print_name)
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 @@ static int bsd_sum_file(const char *file, int print_name)
}
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 @@ static int sysv_sum_file(const char *file, int print_name)
} else {
fd = open(file, O_RDONLY);
if (fd == -1) {
bb_perror_msg("%s", file);
bb_perror_msg(file);
return 0;
}
}
@ -125,7 +123,7 @@ static int sysv_sum_file(const char *file, int print_name)
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 @@ static int sysv_sum_file(const char *file, int print_name)
}
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;
}