patch by Tito which uses a lot more busybox functions to reduce size nicely

2 files changed, 37 insertions, 49 deletions

diff --git a/e2fsprogs/chattr.c b/e2fsprogs/chattr.c
index 5ba458934..1471c851d 100644
--- a/e2fsprogs/chattr.c
+++ b/e2fsprogs/chattr.c
@@ -31,9 +31,9 @@
 #include <ext2fs/ext2_fs.h>
 
 #ifdef __GNUC__
-#define EXT2FS_ATTR(x) __attribute__(x)
+# define EXT2FS_ATTR(x) __attribute__(x)
 #else
-#define EXT2FS_ATTR(x)
+# define EXT2FS_ATTR(x)
 #endif
 
 #include "e2fsbb.h"
@@ -122,7 +122,7 @@ static void change_attributes(const char * name)
 	STRUCT_STAT	st;
 
 	if (LSTAT(name, &st) == -1) {
-		bb_error_msg("while trying to stat %s", name);
+		bb_error_msg("stat %s failed", name);
 		return;
 	}
 	if (S_ISLNK(st.st_mode) && recursive)
@@ -137,13 +137,13 @@ static void change_attributes(const char * name)
 
 	if (flags & OPT_SET_VER)
 		if (fsetversion(name, version) == -1)
-			bb_error_msg("while setting version on %s", name);
+			bb_error_msg("setting version on %s", name);
 
 	if (flags & OPT_SET) {
 		fsflags = sf;
 	} else {
 		if (fgetflags(name, &fsflags) == -1) {
-			bb_error_msg("while reading flags on %s", name);
+			bb_error_msg("reading flags on %s", name);
 			goto skip_setflags;
 		}
 		if (flags & OPT_REM)
@@ -154,7 +154,7 @@ static void change_attributes(const char * name)
 			fsflags &= ~EXT2_DIRSYNC_FL;
 	}
 	if (fsetflags(name, fsflags) == -1)
-		bb_error_msg("while setting flags on %s", name);
+		bb_error_msg("setting flags on %s", name);
 
 skip_setflags:
 	if (S_ISDIR(st.st_mode) && recursive)
@@ -167,11 +167,11 @@ static int chattr_dir_proc(const char *dir_name, struct dirent *de,
 	/*if (strcmp(de->d_name, ".") && strcmp(de->d_name, "..")) {*/
 	if (de->d_name[0] == '.' && (de->d_name[1] == '\0' || \
 	   (de->d_name[1] == '.' && de->d_name[2] == '\0'))) {
-		char *path;
-		if (asprintf(&path, "%s/%s", dir_name, de->d_name) == -1)
-			bb_error_msg_and_die(bb_msg_memory_exhausted);
-		change_attributes(path);
-		free(path);
+		char *path = concat_subpath_file(dir_name, de->d_name);
+		if (path) {
+			change_attributes(path);
+			free(path);
+		}
 	}
 	return 0;
 }
@@ -196,10 +196,8 @@ int chattr_main(int argc, char **argv)
 				if (i >= argc)
 					bb_show_usage();
 				version = strtol(argv[i], &tmp, 0);
-				if (*tmp) {
-					bb_error_msg("bad version - %s", arg);
-					bb_show_usage();
-				}
+				if (*tmp)
+					bb_error_msg_and_die("bad version '%s'", arg);
 				flags |= OPT_SET_VER;
 				continue;
 			}
@@ -212,18 +210,12 @@ int chattr_main(int argc, char **argv)
 	/* run sanity checks on all the arguments given us */
 	if (i >= argc)
 		bb_show_usage();
-	if ((flags & OPT_SET) && ((flags & OPT_ADD) || (flags & OPT_REM))) {
-		bb_error_msg("= is incompatible with - and +");
-		return EXIT_FAILURE;
-	}
-	if ((rf & af) != 0) {
-		bb_error_msg("Can't both set and unset same flag");
-		return EXIT_FAILURE;
-	}
-	if (!flags) {
-		bb_error_msg("Must use '-v', =, - or +");
-		return EXIT_FAILURE;
-	}
+	if ((flags & OPT_SET) && ((flags & OPT_ADD) || (flags & OPT_REM)))
+		bb_error_msg_and_die("= is incompatible with - and +");
+	if ((rf & af) != 0)
+		bb_error_msg_and_die("Can't set and unset a flag");
+	if (!flags)
+		bb_error_msg_and_die("Must use '-v', =, - or +");
 
 	/* now run chattr on all the files passed to us */
 	while (i < argc)
diff --git a/e2fsprogs/lsattr.c b/e2fsprogs/lsattr.c
index 62b9535c2..475a66f67 100644
--- a/e2fsprogs/lsattr.c
+++ b/e2fsprogs/lsattr.c
@@ -34,9 +34,9 @@
 #include "e2p/e2p.h"
 
 #ifdef __GNUC__
-#define EXT2FS_ATTR(x) __attribute__(x)
+# define EXT2FS_ATTR(x) __attribute__(x)
 #else
-#define EXT2FS_ATTR(x)
+# define EXT2FS_ATTR(x)
 #endif
 
 #define OPT_RECUR 1
@@ -59,25 +59,26 @@ static void list_attributes(const char *name)
 	unsigned long fsflags;
 	unsigned long generation;
 
-	if (fgetflags(name, &fsflags) == -1) {
-		bb_perror_msg("While reading flags on %s", name);
-		return;
-	}
+	if (fgetflags(name, &fsflags) == -1)
+		goto read_err;
 	if (flags & OPT_GENERATION) {
-		if (fgetversion(name, &generation) == -1) {
-			bb_perror_msg("While reading version on %s", name);
-			return;
-		}
+		if (fgetversion(name, &generation) == -1)
+			goto read_err;
 		printf("%5lu ", generation);
 	}
+
 	if (flags & OPT_PF_LONG) {
 		printf("%-28s ", name);
 		print_flags(stdout, fsflags, PFOPT_LONG);
-		fputc('\n', stdout);
+		printf("\n");
 	} else {
 		print_flags(stdout, fsflags, 0);
 		printf(" %s\n", name);
 	}
+
+	return;
+read_err:
+	bb_perror_msg("reading %s", name);
 }
 
 static int lsattr_dir_proc(const char *, struct dirent *, void *);
@@ -86,9 +87,9 @@ static void lsattr_args(const char *name)
 {
 	STRUCT_STAT	st;
 
-	if (LSTAT(name, &st) == -1)
-		bb_perror_msg("while trying to stat %s", name);
-	else {
+	if (LSTAT(name, &st) == -1) {
+		bb_perror_msg("stating %s", name);
+	} else {
 		if (S_ISDIR(st.st_mode) && !(flags & OPT_DIRS_OPT))
 			iterate_on_dir(name, lsattr_dir_proc, NULL);
 		else
@@ -101,14 +102,8 @@ static int lsattr_dir_proc(const char *dir_name, struct dirent *de,
 {
 	STRUCT_STAT	st;
 	char *path;
-	int i = strlen(dir_name);
 
-	if (i && dir_name[i-1] == '/')
-		i = asprintf(&path, "%s%s", dir_name, de->d_name);
-	else
-		i = asprintf(&path, "%s/%s", dir_name, de->d_name);
-	if (i == -1)
-		bb_error_msg_and_die(bb_msg_memory_exhausted);
+	path = concat_path_file(dir_name, de->d_name);
 
 	if (LSTAT(path, &st) == -1)
 		bb_perror_msg(path);
@@ -116,7 +111,8 @@ static int lsattr_dir_proc(const char *dir_name, struct dirent *de,
 		if (de->d_name[0] != '.' || (flags & OPT_ALL)) {
 			list_attributes(path);
 			if (S_ISDIR(st.st_mode) && (flags & OPT_RECUR) &&
-			    strcmp(de->d_name, ".") && strcmp(de->d_name, "..")) {
+			   (de->d_name[0] != '.' && (de->d_name[1] != '\0' ||
+			   (de->d_name[1] != '.' && de->d_name[2] != '\0')))) {
 				printf("\n%s:\n", path);
 				iterate_on_dir(path, lsattr_dir_proc, NULL);
 				printf("\n");