From 87cd4a87e3f98dd5a1b982cfdfc4dad6800ca010 Mon Sep 17 00:00:00 2001 From: Denis Vlasenko Date: Sat, 25 Nov 2006 23:47:32 +0000 Subject: tar: small fix and small optimization --- archival/tar.c | 16 ++++++---------- 1 file changed, 6 insertions(+), 10 deletions(-) (limited to 'archival/tar.c') diff --git a/archival/tar.c b/archival/tar.c index d875805b0..c870d53c2 100644 --- a/archival/tar.c +++ b/archival/tar.c @@ -150,9 +150,8 @@ static HardLinkInfo *findHardLinkInfo(HardLinkInfo * hlInfo, struct stat *statbu /* Put an octal string into the specified buffer. * The number is zero padded and possibly null terminated. - * Stores low-order bits only if whole value does not fit. - * Returns FALSE if that happens. */ -static int putOctal(char *cp, int len, off_t value) + * Stores low-order bits only if whole value does not fit. */ +static void putOctal(char *cp, int len, off_t value) { char tempBuffer[sizeof(off_t)*3+1]; char *tempString = tempBuffer; @@ -169,10 +168,6 @@ static int putOctal(char *cp, int len, off_t value) /* Copy the string to the field */ memcpy(cp, tempString, len); - - /* If after shift we have zero - value did not overflow, */ - /* return 1 (TRUE) then */ - return (value >> (len*3)) == 0; } /* Write out a tar header for the specified file/directory/whatever */ @@ -239,14 +234,15 @@ static int writeTarHeader(struct TarBallInfo *tbInfo, } else if (S_ISFIFO(statbuf->st_mode)) { header.typeflag = FIFOTYPE; } else if (S_ISREG(statbuf->st_mode)) { - header.typeflag = REGTYPE; - if ((PUT_OCTAL(header.size, statbuf->st_size) == FALSE) - && sizeof(statbuf->st_size) > 4 + if (sizeof(statbuf->st_size) > 4 + && statbuf->st_size > (off_t)0777777777777LL ) { bb_error_msg_and_die("cannot store file '%s' " "of size %"OFF_FMT"d, aborting", fileName, statbuf->st_size); } + header.typeflag = REGTYPE; + PUT_OCTAL(header.size, statbuf->st_size); } else { bb_error_msg("%s: unknown file type", fileName); return FALSE; -- cgit v1.2.3