diff options
Diffstat (limited to 'usr/gen_init_cpio.c')
| -rw-r--r-- | usr/gen_init_cpio.c | 33 |
1 files changed, 21 insertions, 12 deletions
diff --git a/usr/gen_init_cpio.c b/usr/gen_init_cpio.c index 61230532fef1..edcdb8abfa31 100644 --- a/usr/gen_init_cpio.c +++ b/usr/gen_init_cpio.c @@ -27,6 +27,7 @@ static unsigned int offset; static unsigned int ino = 721; static time_t default_mtime; +static bool do_file_mtime; static bool do_csum = false; struct file_handler { @@ -329,6 +330,7 @@ static int cpio_mkfile(const char *name, const char *location, int file; int retval; int rc = -1; + time_t mtime; int namesize; unsigned int i; uint32_t csum = 0; @@ -347,16 +349,21 @@ static int cpio_mkfile(const char *name, const char *location, goto error; } - if (buf.st_mtime > 0xffffffff) { - fprintf(stderr, "%s: Timestamp exceeds maximum cpio timestamp, clipping.\n", - location); - buf.st_mtime = 0xffffffff; - } + if (do_file_mtime) { + mtime = default_mtime; + } else { + mtime = buf.st_mtime; + if (mtime > 0xffffffff) { + fprintf(stderr, "%s: Timestamp exceeds maximum cpio timestamp, clipping.\n", + location); + mtime = 0xffffffff; + } - if (buf.st_mtime < 0) { - fprintf(stderr, "%s: Timestamp negative, clipping.\n", - location); - buf.st_mtime = 0; + if (mtime < 0) { + fprintf(stderr, "%s: Timestamp negative, clipping.\n", + location); + mtime = 0; + } } if (buf.st_size > 0xffffffff) { @@ -387,7 +394,7 @@ static int cpio_mkfile(const char *name, const char *location, (long) uid, /* uid */ (long) gid, /* gid */ nlinks, /* nlink */ - (long) buf.st_mtime, /* mtime */ + (long) mtime, /* mtime */ size, /* filesize */ 3, /* major */ 1, /* minor */ @@ -536,8 +543,9 @@ static void usage(const char *prog) "file /sbin/kinit /usr/src/klibc/kinit/kinit 0755 0 0\n" "\n" "<timestamp> is time in seconds since Epoch that will be used\n" - "as mtime for symlinks, special files and directories. The default\n" - "is to use the current time for these entries.\n" + "as mtime for symlinks, directories, regular and special files.\n" + "The default is to use the current time for all files, but\n" + "preserve modification time for regular files.\n" "-c: calculate and store 32-bit checksums for file data.\n", prog); } @@ -594,6 +602,7 @@ int main (int argc, char *argv[]) usage(argv[0]); exit(1); } + do_file_mtime = true; break; case 'c': do_csum = true; |