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* zebra.h: If GNU_LINUX is defined, then define _GNU_SOURCE. This
fixes a problem where we were not getting the declaration of strnlen
in <string.h>.
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* configure.ac: Add strnlen to AC_CHECK_FUNCS.
* zebra.h: Should include str.h to pick up missing functions.
* str.h: Declare strnlen if needed.
* str.c: Do not include str.h since zebra.h now includes it.
(strnlen) New function.
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* zebra.h: Must check whether __attribute__ should be defined before
including zassert.h.
[backport candidate]
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* buffer.h: Make the struct buffer and struct buffer_data structures
private by moving them inside buffer.c. Add comments for all
functions. Rename buffer_write as buffer_put (to be more consistent
with the buffer_putc and buffer_putstr functions). Declare a new
buffer_write function that is used to write data to a file descriptor
and/or add it to the buffer queue. Remove unused function
buffer_flush_vty_all. Create a new enum typedef buffer_status_t
to be used as the return code for all buffer_flush* functions
and buffer_write.
* buffer.c: The struct buffer and struct buffer_data declarations
are now private to this file. In conjunction with that, remove
some unnecessary fields: struct buffer (alloc, unused_head,
unused_tail, length), struct buffer_data (prev).
(buffer_data_new) Removed: functionality incorporated into buffer_add.
(buffer_data_free) Removed: use a macro BUFFER_DATA_FREE instead.
(buffer_new) Use calloc instead of malloc + memset(zero).
Supply an appropriate default size if the specified size is 0.
(buffer_free) Eliminate code duplication by calling buffer_reset to
free the contents of the buffer (and remove unused code related
to unused_head).
(buffer_empty,buffer_putc,buffer_putstr) Aesthetic change (make more
compact).
(buffer_reset) Use macro BUFFER_DATA_FREE. No need to set
alloc and length to 0 (these fields have been removed).
(buffer_add) Fix scope to be static. Call XMALLOC directly instead
of calling removed buffer_data_new function. Simplify the logic
(since it's now a singly-linked list instead of doubly-linked).
(buffer_write) Renamed to buffer_put. Change to void, since return
code of 1 was meaningless. No need to adjust length field, since
it has been removed.
(buffer_putw,buffer_flush,buffer_flush_vty_all,buffer_flush_vty)
Remove unused functions.
(buffer_flush_all) Rewrite using buffer_flush_available to eliminate
a possible failure mode if IOV_MAX is less than the number of buffers
on the queue.
(buffer_flush_window) Incorporate logic from buffer_flush_vty.
Log an error message if there is a writev error.
(buffer_flush_available) Be more paranoid: check for case where
buffer is already empty. Use new ERRNO_IO_RETRY macro, and use
new enum for return codes. Simplify deletion logic (since it's
now a singly-linked list).
(buffer_write) New function for use with non-blocking I/O.
* vty.h: Replace the struct vty sb_buffer field with a fixed-size
(5-character) sb_buf field and an sb_len field, since using
a struct buffer was inappropriate for this task. Add some useful
comments about telnet window size negotiation.
* vty.c: Include <arpa/telnet.h> (no longer included by zebra.h).
Remove VTY_OBUF_SIZE (instead use buffer_new default size).
Make telnet_backward_char and telnet_space_char static const.
(vty_out) Replace buffer_write with buffer_put.
(vty_log_out) Check for I/O errors. If fatal, close the vty session.
Consolidate 3 separate writes into a single write call.
(vty_will_echo,vty_command,vty_next_line,vty_previous_line,
vty_end_config,vty_describe_fold,vty_clear_buf,vty_serv_sock_addrinfo,
vty_serv_sock_family,vty_serv_un,vty_use_backup_config,exec_timeout,
vty_config_write,vty_save_cwd) Fix scope to static.
(vty_new) Let buffer_new use its default buffer size.
(vty_write) Fix signature: 2nd arg should be const char *.
Replaced buffer_write with buffer_put.
(vty_telnet_option) Fix minor bug (window height or width greater than
255 was broken). Use sb_buf and sb_len instead of removed sb_buffer
(which was being used improperly).
(vty_read) On error, use ERRNO_IO_RETRY to decide whether it's fatal.
If the error is fatal, call buffer_reset so vty_close does not attempt
to flush the data. Use new sb_buf and sb_len instead of sb_buffer
to store the SB negotiation string.
(vty_flush) When vty->lines is 0, call buffer_flush_available instead
of buffer_flush_window. Look at the return code from buffer_flush
to detect I/O errors (and in that case, log an error message and
close the vty).
(vty_create) Fix scope to static. Initialize sb_len to 0 instead
of creating sb_buffer.
(vty_accept) Set socket nonblocking.
(vtysh_accept) Use new set_nonblocking function instead of calling
fcntl directly.
(vtysh_flush) New function called from vtysh_read (after command
execution) and from vtysh_write. This flushes the buffer
and reacts appropriately to the return code (by closing the vty
or scheduling further flushes).
(vtysh_read) Check whether error is fatal using ERRNO_IO_RETRY.
If not, just try again later. Otherwise, call buffer_reset before
calling vty_close (to avoid trying to flush the buffer in vty_close).
Fix logic to allow case where a command does not arrive atomically
in a single read call by checking for the terminating NUL char.
(vtysh_write) Use new vtysh_flush helper function.
(vty_close) No need to call buffer_empty, just call buffer_flush_all
in any case (it will check whether the buffer is empty).
Do not free sb_buffer (since it has been removed).
(vty_log_fixed) Use writev instead of write.
* zebra.h: Do not include <arpa/telnet.h>, since this is used only
by lib/vty.c.
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* zebra.h: Change macro definitions SET_FLAG and UNSET_FLAG
to use compound assignment operators (aesthetic change).
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* zebra.h: If not C99 and no va_copy macro available, fall back to
memcpy (solves a build problem on FreeBSD 4.x).
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* configure.ac: Added test for broken CMSG_FIRSTHDR macro
(relevant for Solaris 8 and unpatched Solaris 9, don't know
whether other platforms are affected).
* zebra.h: Define ZCMSG_FIRSTHDR appropriately based on whether
config.h indicates HAVE_BROKEN_CMSG_FIRSTHDR (as determined
by the configure test program).
* sockopt.c: (getsockopt_cmsg_data) Use ZCMSG_FIRSTHDR instead
of CMSG_FIRSTHDR.
* rtadv.c: (rtadv_recv_packet,rtadv_send_packet) Use ZCMSG_FIRSTHDR
instead of CMSG_FIRSTHDR.
* ripd.c: (rip_recvmsg) Use ZCMSG_FIRSTHDR instead of CMSG_FIRSTHDR.
* ripngd.c: (ripng_recv_packet) Use ZCMSG_FIRSTHDR instead of
CMSG_FIRSTHDR.
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* zebra.h: If not C99 and there's no va_copy macro and there is
a __va_copy macro, define va_copy as __va_copy.
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* zassert.h: New header file to declare a quagga-specific assert macro.
* log.c: (_zlog_assert_failed) New function called when assert fails
to log the error and abort.
* zebra.h: Include "zassert.h" instead of <assert.h>.
* regex.c: Include "zassert.h" instead of <assert.h>.
* dict.c: Include "zassert.h" instead of <assert.h>.
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in lib/zebra.h, ensure that RFC3542-required CMSG_SPACE and CMSG_LEN
are defined. Warn if alignment assumptions are made, since they are
i386-centric.
in lib/sockopt.h, declare that sockopt sizes are without
CMSG_SPACE-required padding - just simple sizeof.
in ospfd/ospf_packet.c, simply use CMSG_SPACE
This should remove all instances of CMSG_ALIGN from the source code.
This is a nonstandard, though rational, construct; quagga should use
only those defines in RFC3542.
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* zebra.h: reserve ZEBRA_ROUTE_HSLS
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* zebra.h: Add WANT_OSPF_WRITE_FRAGMENT for ospfd
to try to fragment oversized packets. Enabled only for Linux.
Add HAVE_IP_HDRINCL_BSD_ORDER to define struct ip byte order,
to consolidate various ad-hoc platform defines for same thing.
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* zebra.h: add MAX and MIN defines (eg for ospf6d)
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* ChangeLog: fix my last update config.h -> zebra.h ;)
* zebra.h: Fix gcc check.
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* filter.c: (access_list_remark_cmd) buffer_putstr doesnt need cast
to u_char. (ipv6_access_list_remark_cmd) ditto.
if.c: ditto
* network.c: (readn/writen) pointer arg should be type u_char.
* plist.c: needs to include stream.h, not declare stream functions
internally.
(various) Add static qualifier to internal functions.
(prefix_list_type_str) extraneous breaks in switch statement.
(ip_prefix_list_description_cmd) buffer_putstr doesnt need cast
* stream.h: depends on plist.h and export stream_put_prefix
* vty.c: (vty_<telnet option build functions>) should use
unsigned char, telnet options are 0 -> 255.
* zclient.c: various u_char<->char type cleanups.
* zebra.h: Having to define CMSG_* can apply to more than just
BSDI_NRL.
* ripd.c: (rip_distribute_update_all) distribute list hook
function pointer prototype requires struct prefix_list * arg.
(rip_distribute_update_all_wrapper) update to pass required arg,
NULL.
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* config.h: __attribute__ is a gcc'ism
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* type mismatch fixes
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- add privs support
- use misc quagga's definitions
- make it compile"able"
- fix segfault cases related to hostname()
- add debug isis xxx command
This patch has been approved by Paul Jakma.
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* lib/zebra.h: include limits.h if its there, its a portable header
and useful and not just solaris specific. net/route.h is also
useful.
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* lib/zebra.h: define UINT32_MAX for those systems which do not
provide it.
* bgp_attr.h: define BGP_MED_MAX.
* bgp_route.c: update defines/constants to BGP_MED_MAX.
* bgp_routemap.c: ditto. clean up route_match_metric_compile
slightly to avoid unneccesary XMALLOC.
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* zebra/kernel_socket.c: Update for new zebrad global struct
* zebra/ipforward_solaris.c: Add missing privs.h include. Uncomment
/dev/ip define.
* lib/zebra.h: Add typedefs for SunOS.
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in zebra.h to make it compile in debian.
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* Merge of zebra privileges
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lib/debug.{c,h}: glibc backtrace printing function (from the glibc info page)
configure.ac: check for glibc backtrace and set define
lib/zebra.h: glibc backtrace support
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Subject: solaris compile patch
types defined for SUNOS_5 were already defined in config.h
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asm/types.h is required for netlink.
Later glibc's seem to have resolved the warning.
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Subject: [zebra 19097] HAVE_ASM_TYPES
does anyone know why lib/zebra.h has:
#ifdef HAVE_ASM_TYPES_H
#include <asm/types.h>
#endif /* HAVE_ASM_TYPES_H */
There's no need for it that i can see (least not on linux) and it
causes compile warnings. Is it needed? If so, why?
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