reduced .bss size by dynmaically allocating a certain large

array instead of letting it be static.

objdump -t busybox	    \
| grep .bss		    \
| sed 's/^.*\.bss	//' \
| grep -v ABS		    \
#| perl -e 'while(<>) { @x = split; @y = reverse split(//, $x[0]); for ($i=0; $i<@y; $i++) { $s += $y[$i] * (16 ** $i); if ($y[$i] && $i > 2) { print "> $y[$i] * 16 ** $i $x[1]\n"; } } } print "$s\n";'

diff --git a/fsck_minix.c b/fsck_minix.c
index 084c76d..9da7974 100644 (file)
--- a/fsck_minix.c
+++ b/fsck_minix.c
@@ -143,9 +143,10 @@ static struct termios termios;
 static int termios_set = 0;
 
 /* File-name data */
-#define MAX_DEPTH 50
+#define MAX_DEPTH 32
 static int name_depth = 0;
-static char name_list[MAX_DEPTH][PATH_MAX + 1];
+// static char name_list[MAX_DEPTH][PATH_MAX + 1];
+static char **name_list;
 
 static char *inode_buffer = NULL;
 
@@ -1240,12 +1241,32 @@ static void check2(void)
 }
 #endif
 
+/* Wed Feb  9 15:17:06 MST 2000 */
+/* dynamically allocate name_list (instead of making it static) */
+static void alloc_name_list(void)
+{
+       int i;
+
+       name_list = malloc(sizeof(char *) * MAX_DEPTH);
+       for (i = 0; i < MAX_DEPTH; i++) {
+               name_list[i] = malloc(sizeof(char) * PATH_MAX + 1);
+       }
+}
+
+static void free_name_list(void)
+{
+       if (name_list) free(name_list);
+}
+
 extern int fsck_minix_main(int argc, char **argv)
 {
        struct termios tmp;
        int count;
        int retcode = 0;
 
+       alloc_name_list();
+       atexit(free_name_list);
+
        if (argc && *argv)
                program_name = *argv;
        if (INODE_SIZE * MINIX_INODES_PER_BLOCK != BLOCK_SIZE)

diff --git a/util-linux/fsck_minix.c b/util-linux/fsck_minix.c
index 084c76d..9da7974 100644 (file)
--- a/util-linux/fsck_minix.c
+++ b/util-linux/fsck_minix.c
@@ -143,9 +143,10 @@ static struct termios termios;
 static int termios_set = 0;
 
 /* File-name data */
-#define MAX_DEPTH 50
+#define MAX_DEPTH 32
 static int name_depth = 0;
-static char name_list[MAX_DEPTH][PATH_MAX + 1];
+// static char name_list[MAX_DEPTH][PATH_MAX + 1];
+static char **name_list;
 
 static char *inode_buffer = NULL;
 
@@ -1240,12 +1241,32 @@ static void check2(void)
 }
 #endif
 
+/* Wed Feb  9 15:17:06 MST 2000 */
+/* dynamically allocate name_list (instead of making it static) */
+static void alloc_name_list(void)
+{
+       int i;
+
+       name_list = malloc(sizeof(char *) * MAX_DEPTH);
+       for (i = 0; i < MAX_DEPTH; i++) {
+               name_list[i] = malloc(sizeof(char) * PATH_MAX + 1);
+       }
+}
+
+static void free_name_list(void)
+{
+       if (name_list) free(name_list);
+}
+
 extern int fsck_minix_main(int argc, char **argv)
 {
        struct termios tmp;
        int count;
        int retcode = 0;
 
+       alloc_name_list();
+       atexit(free_name_list);
+
        if (argc && *argv)
                program_name = *argv;
        if (INODE_SIZE * MINIX_INODES_PER_BLOCK != BLOCK_SIZE)