David Sterba
2014-Apr-22 14:37 UTC
[PATCH] btrfs-progs: move arg_strtou64 to a separate file for library
Linking with libbtrfs fails because arg_strtou64 is not defined and we
cannot just add utils.o to library objects because it's not
library-clean.
Reported-by: Arvin Schnell <aschnell@suse.com>
Reported-by: Anton Farygin <rider@altlinux.org>
Signed-off-by: David Sterba <dsterba@suse.cz>
---
Makefile | 5 +++--
utils-lib.c | 43 +++++++++++++++++++++++++++++++++++++++++++
utils.c | 33 ---------------------------------
3 files changed, 46 insertions(+), 35 deletions(-)
create mode 100644 utils-lib.c
diff --git a/Makefile b/Makefile
index 51d53fadf5af..76565e8b2307 100644
--- a/Makefile
+++ b/Makefile
@@ -9,14 +9,15 @@ CFLAGS = -g -O1 -fno-strict-aliasing
objects = ctree.o disk-io.o radix-tree.o extent-tree.o print-tree.o \
root-tree.o dir-item.o file-item.o inode-item.o inode-map.o \
extent-cache.o extent_io.o volumes.o utils.o repair.o \
- qgroup.o raid6.o free-space-cache.o list_sort.o props.o
+ qgroup.o raid6.o free-space-cache.o list_sort.o props.o \
+ utils-lib.o
cmds_objects = cmds-subvolume.o cmds-filesystem.o cmds-device.o cmds-scrub.o \
cmds-inspect.o cmds-balance.o cmds-send.o cmds-receive.o \
cmds-quota.o cmds-qgroup.o cmds-replace.o cmds-check.o \
cmds-restore.o cmds-rescue.o chunk-recover.o super-recover.o \
cmds-property.o
libbtrfs_objects = send-stream.o send-utils.o rbtree.o btrfs-list.o crc32c.o \
- uuid-tree.o
+ uuid-tree.o utils-lib.o
libbtrfs_headers = send-stream.h send-utils.h send.h rbtree.h btrfs-list.h \
crc32c.h list.h kerncompat.h radix-tree.h extent-cache.h \
extent_io.h ioctl.h ctree.h btrfsck.h
diff --git a/utils-lib.c b/utils-lib.c
new file mode 100644
index 000000000000..074f771e0b6e
--- /dev/null
+++ b/utils-lib.c
@@ -0,0 +1,43 @@
+#define _GNU_SOURCE
+
+#include "kerncompat.h"
+#include <unistd.h>
+#include <stdlib.h>
+#include <limits.h>
+
+#if BTRFS_FLAT_INCLUDES
+#else
+#endif /* BTRFS_FLAT_INCLUDES */
+
+/*
+ * This function should be only used when parsing
+ * command arg, it won't return error to it's
+ */
+u64 arg_strtou64(const char *str)
+{
+ u64 value;
+ char *ptr_parse_end = NULL;
+
+ value = strtoull(str, &ptr_parse_end, 0);
+ if (ptr_parse_end && *ptr_parse_end != '\0') {
+ fprintf(stderr, "ERROR: %s is not a valid numeric value.\n",
+ str);
+ exit(1);
+ }
+ /*
+ * if we pass a negative number to strtoull,
+ * it will return an unexpected number to us,
+ * so let's do the check ourselves.
+ */
+ if (str[0] == '-') {
+ fprintf(stderr, "ERROR: %s: negative value is invalid.\n",
+ str);
+ exit(1);
+ }
+ if (value == ULLONG_MAX) {
+ fprintf(stderr, "ERROR: %s is too large.\n", str);
+ exit(1);
+ }
+ return value;
+}
+
diff --git a/utils.c b/utils.c
index 3e9c527a492c..134f43a76fe9 100644
--- a/utils.c
+++ b/utils.c
@@ -1539,39 +1539,6 @@ scan_again:
return 0;
}
-/*
- * This function should be only used when parsing
- * command arg, it won't return error to it's
- * caller and rather exit directly just like usage().
- */
-u64 arg_strtou64(const char *str)
-{
- u64 value;
- char *ptr_parse_end = NULL;
-
- value = strtoull(str, &ptr_parse_end, 0);
- if (ptr_parse_end && *ptr_parse_end != '\0') {
- fprintf(stderr, "ERROR: %s is not a valid numeric value.\n",
- str);
- exit(1);
- }
- /*
- * if we pass a negative number to strtoull,
- * it will return an unexpected number to us,
- * so let's do the check ourselves.
- */
- if (str[0] == '-') {
- fprintf(stderr, "ERROR: %s: negative value is invalid.\n",
- str);
- exit(1);
- }
- if (value == ULLONG_MAX) {
- fprintf(stderr, "ERROR: %s is too large.\n", str);
- exit(1);
- }
- return value;
-}
-
u64 parse_size(char *s)
{
int i;
--
1.9.0
--
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