du: dietlibc compat fix, style fixes. Thanks to sampo@symlabs.com.

git-svn-id: svn://busybox.net/trunk/busybox@16995 69ca8d6d-28ef-0310-b511-8ec308f3f277

1 files changed, 31 insertions, 35 deletions

diff --git a/coreutils/du.c b/coreutils/du.c
index a547b1e14..a1ca5b59b 100644
--- a/coreutils/du.c
+++ b/coreutils/du.c
@@ -25,26 +25,22 @@
 
 #include "busybox.h"
 
-#ifdef CONFIG_FEATURE_HUMAN_READABLE
-# ifdef CONFIG_FEATURE_DU_DEFAULT_BLOCKSIZE_1K
+#if ENABLE_FEATURE_HUMAN_READABLE
+# if ENABLE_FEATURE_DU_DEFAULT_BLOCKSIZE_1K
 static unsigned long disp_hr = 1024;
 # else
 static unsigned long disp_hr = 512;
 # endif
-#elif defined CONFIG_FEATURE_DU_DEFAULT_BLOCKSIZE_1K
-static unsigned int disp_k = 1;
+#elif ENABLE_FEATURE_DU_DEFAULT_BLOCKSIZE_1K
+static unsigned disp_k = 1;
 #else
-static unsigned int disp_k;     /* bss inits to 0 */
+static unsigned disp_k; /* bss inits to 0 */
 #endif
 
 static int max_print_depth = INT_MAX;
 static nlink_t count_hardlinks = 1;
 
-static int status
-#if EXIT_SUCCESS == 0
-        = EXIT_SUCCESS
-#endif
-        ;
+static int status;
 static int print_files;
 static int slink_depth;
 static int du_depth;
@@ -55,9 +51,9 @@ static dev_t dir_dev;
 static void print(long size, const char * const filename)
 {
         /* TODO - May not want to defer error checking here. */
-#ifdef CONFIG_FEATURE_HUMAN_READABLE
+#if ENABLE_FEATURE_HUMAN_READABLE
         printf("%s\t%s\n", make_human_readable_str(size, 512, disp_hr),
-                   filename);
+                        filename);
 #else
         if (disp_k) {
                 size++;
@@ -73,7 +69,7 @@ static long du(const char * const filename)
         struct stat statbuf;
         long sum;
 
-        if ((lstat(filename, &statbuf)) != 0) {
+        if (lstat(filename, &statbuf) != 0) {
                 bb_perror_msg("%s", filename);
                 status = EXIT_FAILURE;
                 return 0;
@@ -91,7 +87,7 @@ static long du(const char * const filename)
 
         if (S_ISLNK(statbuf.st_mode)) {
                 if (slink_depth > du_depth) {   /* -H or -L */
-                        if ((stat(filename, &statbuf)) != 0) {
+                        if (stat(filename, &statbuf) != 0) {
                                 bb_perror_msg("%s", filename);
                                 status = EXIT_FAILURE;
                                 return 0;
@@ -130,7 +126,7 @@ static long du(const char * const filename)
                         char *name = entry->d_name;
 
                         newfile = concat_subpath_file(filename, name);
-                        if(newfile == NULL)
+                        if (newfile == NULL)
                                 continue;
                         ++du_depth;
                         sum += du(newfile);
@@ -155,9 +151,9 @@ int du_main(int argc, char **argv)
         char *smax_print_depth;
         unsigned opt;
 
-#ifdef CONFIG_FEATURE_DU_DEFUALT_BLOCKSIZE_1K
+#if ENABLE_FEATURE_DU_DEFAULT_BLOCKSIZE_1K
         if (getenv("POSIXLY_CORRECT")) {        /* TODO - a new libbb function? */
-#ifdef CONFIG_FEATURE_HUMAN_READABLE
+#if ENABLE_FEATURE_HUMAN_READABLE
                 disp_hr = 512;
 #else
                 disp_k = 0;
@@ -171,55 +167,55 @@ int du_main(int argc, char **argv)
          * gnu du exits with an error code in this case.  We choose to simply
          * ignore -a.  This is consistent with -s being equivalent to -d 0.
          */
-#ifdef CONFIG_FEATURE_HUMAN_READABLE
+#if ENABLE_FEATURE_HUMAN_READABLE
         opt_complementary = "h-km:k-hm:m-hk:H-L:L-H:s-d:d-s";
         opt = getopt32(argc, argv, "aHkLsx" "d:" "lc" "hm", &smax_print_depth);
-        if((opt & (1 << 9))) {
+        if (opt & (1 << 9)) {
                 /* -h opt */
                 disp_hr = 0;
         }
-        if((opt & (1 << 10))) {
+        if (opt & (1 << 10)) {
                 /* -m opt */
                 disp_hr = 1024*1024;
         }
-        if((opt & (1 << 2))) {
+        if (opt & (1 << 2)) {
                 /* -k opt */
                 disp_hr = 1024;
         }
 #else
         opt_complementary = "H-L:L-H:s-d:d-s";
         opt = getopt32(argc, argv, "aHkLsx" "d:" "lc", &smax_print_depth);
-#if !defined CONFIG_FEATURE_DU_DEFAULT_BLOCKSIZE_1K
-        if((opt & (1 << 2))) {
+#if !ENABLE_FEATURE_DU_DEFAULT_BLOCKSIZE_1K
+        if (opt & (1 << 2)) {
                 /* -k opt */
-                        disp_k = 1;
+                disp_k = 1;
         }
 #endif
 #endif
-        if((opt & (1 << 0))) {
+        if (opt & (1 << 0)) {
                 /* -a opt */
                 print_files = INT_MAX;
         }
-        if((opt & (1 << 1))) {
+        if (opt & (1 << 1)) {
                 /* -H opt */
                 slink_depth = 1;
         }
-        if((opt & (1 << 3))) {
+        if (opt & (1 << 3)) {
                 /* -L opt */
-                        slink_depth = INT_MAX;
+                slink_depth = INT_MAX;
         }
-        if((opt & (1 << 4))) {
+        if (opt & (1 << 4)) {
                 /* -s opt */
-                        max_print_depth = 0;
-                }
+                max_print_depth = 0;
+        }
         one_file_system = opt & (1 << 5); /* -x opt */
-        if((opt & (1 << 6))) {
+        if (opt & (1 << 6)) {
                 /* -d opt */
                 max_print_depth = xatoi_u(smax_print_depth);
         }
-        if((opt & (1 << 7))) {
+        if (opt & (1 << 7)) {
                 /* -l opt */
-                count_hardlinks = INT_MAX;
+                count_hardlinks = MAXINT(nlink_t);
         }
         print_final_total = opt & (1 << 8); /* -c opt */
 
@@ -238,7 +234,7 @@ int du_main(int argc, char **argv)
                 total += du(*argv);
                 slink_depth = slink_depth_save;
         } while (*++argv);
-#ifdef CONFIG_FEATURE_CLEAN_UP
+#if ENABLE_FEATURE_CLEAN_UP
         reset_ino_dev_hashtable();
 #endif