1 files changed, 35 insertions, 18 deletions

diff --git a/coreutils/md5_sha1_sum.c b/coreutils/md5_sha1_sum.c
index 9a243a26e..42a1d7acf 100644
--- a/coreutils/md5_sha1_sum.c
+++ b/coreutils/md5_sha1_sum.c
@@ -47,10 +47,43 @@ static unsigned char *hash_bin_to_hex(unsigned char *hash_value,
         return (hex_value);
 }
 
+static uint8_t *hash_file(const char *filename, uint8_t hash_algo)
+{
+        uint8_t *hash_value_bin;
+        uint8_t *hash_value = NULL;
+        uint8_t hash_length;
+        int src_fd;
+
+        if (strcmp(filename, "-") == 0) {
+                src_fd = fileno(stdin);
+        } else {
+                src_fd = open(filename, O_RDONLY);
+        }
+
+        if (hash_algo == HASH_MD5) {
+                hash_length = 16;
+        } else {
+                hash_length = 20;
+        }
+
+        hash_value_bin = xmalloc(hash_length);
+
+        if ((src_fd != -1) && (hash_fd(src_fd, -1, hash_algo, hash_value_bin) != -2)) {
+                hash_value = hash_bin_to_hex(hash_value_bin, hash_length);
+        } else {
+                bb_perror_msg("%s", filename);
+        }
+
+        close(src_fd);
+
+        return(hash_value);
+}
+
 /* This could become a common function for md5 as well, by using md5_stream */
 extern int hash_files(int argc, char **argv, const uint8_t hash_algo)
 {
         int return_value = EXIT_SUCCESS;
+        uint8_t *hash_value;
 
 #ifdef CONFIG_FEATURE_MD5_SHA1_SUM_CHECK
         unsigned int flags;
@@ -129,7 +162,6 @@ extern int hash_files(int argc, char **argv, const uint8_t hash_algo)
         } else
 #endif
         {
-                uint8_t *hash_value_bin;
                 uint8_t hash_length;
 
                 if (hash_algo == HASH_MD5) {
@@ -137,27 +169,12 @@ extern int hash_files(int argc, char **argv, const uint8_t hash_algo)
                 } else {
                         hash_length = 20;
                 }
-                hash_value_bin = xmalloc(hash_length);
+                hash_value = xmalloc(hash_length);
 
                 while (optind < argc) {
                         unsigned char *file_ptr = argv[optind++];
-                        uint8_t *hash_value;
-                        int src_fd;
-
-                        if ((file_ptr[0] == '-') && (file_ptr[1] == '\0')) {
-                                src_fd = fileno(stdin);
-                        } else {
-                                src_fd = open(file_ptr, O_RDONLY);
-                        }
-
-                        if ((src_fd != -1) && (hash_fd(src_fd, -1, hash_algo, hash_value_bin) != -2)) {
-                                hash_value = hash_bin_to_hex(hash_value_bin, hash_length);
-                        } else {
-                                bb_perror_msg("%s", file_ptr);
-                                continue;
-                        }
-                        close(src_fd);
 
+                        hash_value = hash_file(file_ptr, hash_algo);
                         if (hash_value == NULL) {
                                 return_value++;
                         } else {