Test explicitly for REOPEN flags: update_num_lines is called unconditionally so (num_lines != NOT_REGULAR_FILE) is also true when num_lines contains a valid number of lines.
The call to fstat doesn't need to be in #if ENABLE_FEATURE_LESS_FLAGS: the whole function is already in such a test. Signed-off-by: Ron Yorston <[email protected]> --- miscutils/less.c | 16 +++++----------- 1 file changed, 5 insertions(+), 11 deletions(-) diff --git a/miscutils/less.c b/miscutils/less.c index be8d20e..7a441bf 100644 --- a/miscutils/less.c +++ b/miscutils/less.c @@ -615,11 +615,12 @@ static int safe_lineno(int fline) static void update_num_lines(void) { int count, fd; + struct stat stbuf; ssize_t len, i; char buf[4096]; /* only do this for regular files */ - if (num_lines != NOT_REGULAR_FILE) { + if (num_lines == REOPEN_AND_COUNT || num_lines == REOPEN_STDIN) { count = 0; fd = open("/proc/self/fd/0", O_RDONLY); if (fd < 0 && num_lines == REOPEN_AND_COUNT) { @@ -631,17 +632,10 @@ static void update_num_lines(void) num_lines = NOT_REGULAR_FILE; return; } -#if ENABLE_FEATURE_LESS_FLAGS - { - struct stat stbuf; - if (fstat(fd, &stbuf) != 0 - || !S_ISREG(stbuf.st_mode) - ) { - num_lines = NOT_REGULAR_FILE; - goto do_close; - } + if (fstat(fd, &stbuf) != 0 || !S_ISREG(stbuf.st_mode)) { + num_lines = NOT_REGULAR_FILE; + goto do_close; } -#endif while ((len = safe_read(fd, buf, sizeof(buf))) > 0) { for (i = 0; i < len; ++i) { if (buf[i] == '\n' && ++count == MAXLINES) -- 2.4.3 _______________________________________________ busybox mailing list [email protected] http://lists.busybox.net/mailman/listinfo/busybox
