[RFC][PATCH 3/9] gen_init_cpio: replace inline format string with common variable

Mimi Zohar
2015-01-07T20:52:54Z

The same printf format string is used in a number of places. This
patch replaces the inline format string with a single common variable
called newcformat.

Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
---
usr/gen_init_cpio.c | 18 ++++++++----------
1 file changed, 8 insertions(+), 10 deletions(-)

diff --git a/usr/gen_init_cpio.c b/usr/gen_init_cpio.c
index 225ad24..ee35361 100644
--- a/usr/gen_init_cpio.c
+++ b/usr/gen_init_cpio.c
@@ -20,6 +20,9 @@
#define xstr(s) #s
#define str(s) xstr(s)

+static char *newcfmt = "%s%08X%08X%08lX%08lX%08X%08lX"
+ "%08X%08X%08X%08X%08X%08X%08X";
+
static unsigned int offset;
static unsigned int ino = 721;
static time_t default_mtime;
@@ -74,8 +77,7 @@ static void cpio_trailer(void)
char s[256];
const char name[] = "TRAILER!!!";

- sprintf(s, "%s%08X%08X%08lX%08lX%08X%08lX"
- "%08X%08X%08X%08X%08X%08X%08X",
+ sprintf(s, newcfmt,
"070701", /* magic */
0, /* ino */
0, /* mode */
@@ -106,8 +108,7 @@ static int cpio_mkslink(const char *name, const char *target,

if (name[0] == '/')
name++;
- sprintf(s,"%s%08X%08X%08lX%08lX%08X%08lX"
- "%08X%08X%08X%08X%08X%08X%08X",
+ sprintf(s, newcfmt,
"070701", /* magic */
ino++, /* ino */
S_IFLNK | mode, /* mode */
@@ -155,8 +156,7 @@ static int cpio_mkgeneric(const char *name, unsigned int mode,

if (name[0] == '/')
name++;
- sprintf(s,"%s%08X%08X%08lX%08lX%08X%08lX"
- "%08X%08X%08X%08X%08X%08X%08X",
+ sprintf(s, newcfmt,
"070701", /* magic */
ino++, /* ino */
mode, /* mode */
@@ -249,8 +249,7 @@ static int cpio_mknod(const char *name, unsigned int mode,

if (name[0] == '/')
name++;
- sprintf(s,"%s%08X%08X%08lX%08lX%08X%08lX"
- "%08X%08X%08X%08X%08X%08X%08X",
+ sprintf(s, newcfmt,
"070701", /* magic */
ino++, /* ino */
mode, /* mode */
@@ -339,8 +338,7 @@ static int cpio_mkfile(const char *name, const char *location,
if (name[0] == '/')
name++;
namesize = strlen(name) + 1;
- sprintf(s,"%s%08X%08X%08lX%08lX%08X%08lX"
- "%08lX%08X%08X%08X%08X%08X%08X",
+ sprintf(s, newcfmt,
"070701", /* magic */
ino, /* ino */
mode, /* mode */
--
1.8.1.4