unzip: add missing fflush; code shrink

function                                             old     new   delta
my_fgets80                                             -      41     +41
unzip_main                                          2291    2242     -49

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

diff --git a/archival/unzip.c b/archival/unzip.c
index 83bf8f6..e4c8248 100644 (file)
--- a/archival/unzip.c
+++ b/archival/unzip.c
@@ -267,6 +267,14 @@ static void unzip_extract(zip_header_t *zip_header, int dst_fd)
        }
 }
 
+static void my_fgets80(char *buf80)
+{
+       fflush_all();
+       if (!fgets(buf80, 80, stdin)) {
+               bb_perror_msg_and_die("can't read standard input");
+       }
+}
+
 int unzip_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int unzip_main(int argc, char **argv)
 {
@@ -291,7 +299,7 @@ int unzip_main(int argc, char **argv)
        llist_t *zreject = NULL;
        char *base_dir = NULL;
        int i, opt;
-       char key_buf[80];
+       char key_buf[80]; /* must match size used by my_fgets80 */
        struct stat stat_buf;
 
 /* -q, -l and -v: UnZip 5.52 of 28 February 2005, by Info-ZIP:
@@ -624,10 +632,7 @@ int unzip_main(int argc, char **argv)
                                                        i = 'y';
                                                } else {
                                                        printf("replace %s? [y]es, [n]o, [A]ll, [N]one, [r]ename: ", dst_fn);
-                                                       fflush_all();
-                                                       if (!fgets(key_buf, sizeof(key_buf), stdin)) {
-                                                               bb_perror_msg_and_die("can't read standard input");
-                                                       }
+                                                       my_fgets80(key_buf);
                                                        i = key_buf[0];
                                                }
                                        } else { /* File is not regular file */
@@ -668,9 +673,7 @@ int unzip_main(int argc, char **argv)
                case 'r':
                        /* Prompt for new name */
                        printf("new name: ");
-                       if (!fgets(key_buf, sizeof(key_buf), stdin)) {
-                               bb_perror_msg_and_die("can't read standard input");
-                       }
+                       my_fgets80(key_buf);
                        free(dst_fn);
                        dst_fn = xstrdup(key_buf);
                        chomp(dst_fn);