cfg.mk

   1 # Customize Makefile.maint.                           -*- makefile -*-
   2 # Copyright (C) 2008-2019 Red Hat, Inc.
   3 # Copyright (C) 2003-2008 Free Software Foundation, Inc.
   4
   5 # This program is free software: you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation, either version 3 of the License, or
   8 # (at your option) any later version.
   9
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program.  If not, see
  17 # <http://www.gnu.org/licenses/>.
  18
  19 # Use alpha.gnu.org for alpha and beta releases.
  20 # Use ftp.gnu.org for major releases.
  21 gnu_ftp_host-alpha = alpha.gnu.org
  22 gnu_ftp_host-beta = alpha.gnu.org
  23 gnu_ftp_host-major = ftp.gnu.org
  24 gnu_rel_host = $(gnu_ftp_host-$(RELEASE_TYPE))
  25
  26 url_dir_list = \
  27   ftp://$(gnu_rel_host)/gnu/coreutils
  28
  29 # We use .gnulib, not gnulib.
  30 gnulib_dir = $(srcdir)/.gnulib
  31
  32 # List of additional files that we want to pick up in our POTFILES.in
  33 # This is all gnulib files, as well as generated files for RPC code.
  34 generated_files = \
  35   $(srcdir)/src/*/{remote_daemon,admin_server,log_daemon,lock_daemon}_dispatch_*stubs.h \
  36   $(srcdir)/src/lxc/{lxc_monitor,lxc_controller}_dispatch.h \
  37   $(srcdir)/src/remote/*_client_bodies.h \
  38   $(srcdir)/src/*/*_protocol.[ch] \
  39   $(srcdir)/gnulib/lib/*.[ch]
  40
  41 # We haven't converted all scripts to using gnulib's init.sh yet.
  42 _test_script_regex = \<\(init\|test-lib\)\.sh\>
  43
  44 # Tests not to run as part of "make distcheck".
  45 local-checks-to-skip = \
  46   changelog-check \
  47   makefile-check \
  48   makefile_path_separator_check \
  49   patch-check \
  50   sc_GPL_version \
  51   sc_always_defined_macros \
  52   sc_cast_of_alloca_return_value \
  53   sc_cross_check_PATH_usage_in_tests \
  54   sc_dd_max_sym_length \
  55   sc_error_exit_success \
  56   sc_file_system \
  57   sc_immutable_NEWS \
  58   sc_makefile_path_separator_check \
  59   sc_obsolete_symbols \
  60   sc_prohibit_S_IS_definition \
  61   sc_prohibit_atoi_atof \
  62   sc_prohibit_hash_without_use \
  63   sc_prohibit_jm_in_m4 \
  64   sc_prohibit_quote_without_use \
  65   sc_prohibit_quotearg_without_use \
  66   sc_prohibit_stat_st_blocks \
  67   sc_prohibit_undesirable_word_seq \
  68   sc_root_tests \
  69   sc_space_tab \
  70   sc_sun_os_names \
  71   sc_system_h_headers \
  72   sc_texinfo_acronym \
  73   sc_tight_scope \
  74   sc_two_space_separator_in_usage \
  75   sc_error_message_uppercase \
  76   sc_program_name \
  77   sc_require_test_exit_idiom \
  78   sc_makefile_check \
  79   sc_useless_cpp_parens
  80
  81 # Most developers don't run 'make distcheck'.  We want the official
  82 # dist to be secure, but don't want to penalize other developers
  83 # using a distro that has not yet picked up the automake fix.
  84 # FIXME remove this ifeq (making the syntax check unconditional)
  85 # once fixed automake (1.11.6 or 1.12.2+) is more common.
  86 ifeq ($(filter dist%, $(MAKECMDGOALS)), )
  87 local-checks-to-skip += sc_vulnerable_makefile_CVE-2012-3386
  88 else
  89 distdir: sc_vulnerable_makefile_CVE-2012-3386.z
  90 endif
  91
  92 # Files that should never cause syntax check failures.
  93 VC_LIST_ALWAYS_EXCLUDE_REGEX = \
  94   (^(docs/(news(-[0-9]*)?\.html\.in|.*\.patch))|\.(po|fig|gif|ico|png))$$
  95
  96 # Functions like free() that are no-ops on NULL arguments.
  97 useless_free_options = \
  98   --name=VBOX_UTF16_FREE \
  99   --name=VBOX_UTF8_FREE \
 100   --name=VBOX_COM_UNALLOC_MEM \
 101   --name=VIR_FREE \
 102   --name=qemuCapsFree \
 103   --name=qemuMigrationCookieFree \
 104   --name=qemuMigrationCookieGraphicsFree \
 105   --name=sexpr_free \
 106   --name=usbFreeDevice \
 107   --name=virBandwidthDefFree \
 108   --name=virBitmapFree \
 109   --name=virCPUDefFree \
 110   --name=virCapabilitiesFree \
 111   --name=virCapabilitiesFreeGuest \
 112   --name=virCapabilitiesFreeGuestDomain \
 113   --name=virCapabilitiesFreeGuestFeature \
 114   --name=virCapabilitiesFreeGuestMachine \
 115   --name=virCapabilitiesFreeHostNUMACell \
 116   --name=virCapabilitiesFreeMachines \
 117   --name=virCgroupFree \
 118   --name=virCommandFree \
 119   --name=virConfFreeList \
 120   --name=virConfFreeValue \
 121   --name=virDomainActualNetDefFree \
 122   --name=virDomainChrDefFree \
 123   --name=virDomainControllerDefFree \
 124   --name=virDomainDefFree \
 125   --name=virDomainDeviceDefFree \
 126   --name=virDomainDiskDefFree \
 127   --name=virDomainEventCallbackListFree \
 128   --name=virObjectEventQueueFree \
 129   --name=virDomainFSDefFree \
 130   --name=virDomainGraphicsDefFree \
 131   --name=virDomainHostdevDefFree \
 132   --name=virDomainInputDefFree \
 133   --name=virDomainNetDefFree \
 134   --name=virDomainObjFree \
 135   --name=virDomainSmartcardDefFree \
 136   --name=virDomainSnapshotObjFree \
 137   --name=virDomainSoundDefFree \
 138   --name=virDomainVideoDefFree \
 139   --name=virDomainWatchdogDefFree \
 140   --name=virFileDirectFdFree \
 141   --name=virHashFree \
 142   --name=virInterfaceDefFree \
 143   --name=virInterfaceIpDefFree \
 144   --name=virInterfaceObjFree \
 145   --name=virInterfaceProtocolDefFree \
 146   --name=virJSONValueFree \
 147   --name=virLastErrFreeData \
 148   --name=virNetMessageFree \
 149   --name=virNetServerMDNSFree \
 150   --name=virNetServerMDNSEntryFree \
 151   --name=virNetServerMDNSGroupFree \
 152   --name=virNWFilterDefFree \
 153   --name=virNWFilterEntryFree \
 154   --name=virNWFilterHashTableFree \
 155   --name=virNWFilterIPAddrLearnReqFree \
 156   --name=virNWFilterIncludeDefFree \
 157   --name=virNWFilterObjFree \
 158   --name=virNWFilterRuleDefFree \
 159   --name=virNWFilterRuleInstFree \
 160   --name=virNetworkDefFree \
 161   --name=virNodeDeviceDefFree \
 162   --name=virNodeDeviceObjFree \
 163   --name=virObjectUnref \
 164   --name=virObjectFreeCallback \
 165   --name=virPCIDeviceFree \
 166   --name=virSecretDefFree \
 167   --name=virStorageEncryptionFree \
 168   --name=virStorageEncryptionSecretFree \
 169   --name=virStorageFileFreeMetadata \
 170   --name=virStoragePoolDefFree \
 171   --name=virStoragePoolObjFree \
 172   --name=virStoragePoolSourceFree \
 173   --name=virStorageVolDefFree \
 174   --name=virThreadPoolFree \
 175   --name=xmlBufferFree \
 176   --name=xmlFree \
 177   --name=xmlFreeDoc \
 178   --name=xmlFreeNode \
 179   --name=xmlXPathFreeContext \
 180   --name=xmlXPathFreeObject
 181
 182 # The following template was generated by this command:
 183 # make ID && aid free|grep '^vi'|sed 's/ .*//;s/^/#   /'
 184 # N virBufferFreeAndReset
 185 # y virCPUDefFree
 186 # y virCapabilitiesFree
 187 # y virCapabilitiesFreeGuest
 188 # y virCapabilitiesFreeGuestDomain
 189 # y virCapabilitiesFreeGuestFeature
 190 # y virCapabilitiesFreeGuestMachine
 191 # y virCapabilitiesFreeHostNUMACell
 192 # y virCapabilitiesFreeMachines
 193 # N virCapabilitiesFreeNUMAInfo FIXME
 194 # y virCgroupFree
 195 # N virConfFree               (diagnoses the "error")
 196 # y virConfFreeList
 197 # y virConfFreeValue
 198 # y virDomainChrDefFree
 199 # y virDomainControllerDefFree
 200 # y virDomainDefFree
 201 # y virDomainDeviceDefFree
 202 # y virDomainDiskDefFree
 203 # y virDomainEventCallbackListFree
 204 # y virDomainEventQueueFree
 205 # y virDomainFSDefFree
 206 # n virDomainFree
 207 # n virDomainFreeName (can't fix -- returns int)
 208 # y virDomainGraphicsDefFree
 209 # y virDomainHostdevDefFree
 210 # y virDomainInputDefFree
 211 # y virDomainNetDefFree
 212 # y virDomainObjFree
 213 # n virDomainSnapshotFree (returns int)
 214 # n virDomainSnapshotFreeName (returns int)
 215 # y virDomainSnapshotObjFree
 216 # y virDomainSoundDefFree
 217 # y virDomainVideoDefFree
 218 # y virDomainWatchdogDefFree
 219 # n virDrvNodeGetCellsFreeMemory (returns int)
 220 # n virDrvNodeGetFreeMemory (returns long long)
 221 # n virFree - dereferences param
 222 # n virFreeError
 223 # n virHashFree (takes 2 args)
 224 # y virInterfaceDefFree
 225 # n virInterfaceFree (returns int)
 226 # n virInterfaceFreeName
 227 # y virInterfaceIpDefFree
 228 # y virInterfaceObjFree
 229 # n virInterfaceObjListFree
 230 # y virInterfaceProtocolDefFree
 231 # y virJSONValueFree
 232 # y virLastErrFreeData
 233 # y virNWFilterDefFree
 234 # y virNWFilterEntryFree
 235 # n virNWFilterFree (returns int)
 236 # y virNWFilterHashTableFree
 237 # y virNWFilterIPAddrLearnReqFree
 238 # y virNWFilterIncludeDefFree
 239 # n virNWFilterFreeName (returns int)
 240 # y virNWFilterObjFree
 241 # n virNWFilterObjListFree FIXME
 242 # y virNWFilterRuleDefFree
 243 # n virNWFilterRuleFreeInstanceData (typedef)
 244 # y virNWFilterRuleInstFree
 245 # y virNetworkDefFree
 246 # n virNetworkFree (returns int)
 247 # n virNetworkFreeName (returns int)
 248 # n virNodeDevCapsDefFree FIXME
 249 # y virNodeDeviceDefFree
 250 # n virNodeDeviceFree (returns int)
 251 # y virNodeDeviceObjFree
 252 # n virNodeDeviceObjListFree FIXME
 253 # n virNodeGetCellsFreeMemory (returns int)
 254 # n virNodeGetFreeMemory (returns non-void)
 255 # y virSecretDefFree
 256 # n virSecretFree (returns non-void)
 257 # n virSecretFreeName (2 args)
 258 # n virSecurityLabelDefFree FIXME
 259 # n virStorageBackendDiskMakeFreeExtent (returns non-void)
 260 # y virStorageEncryptionFree
 261 # y virStorageEncryptionSecretFree
 262 # n virStorageFreeType (enum)
 263 # y virStoragePoolDefFree
 264 # n virStoragePoolFree (returns non-void)
 265 # n virStoragePoolFreeName (returns non-void)
 266 # y virStoragePoolObjFree
 267 # n virStoragePoolObjListFree FIXME
 268 # y virStoragePoolSourceFree
 269 # y virStorageVolDefFree
 270 # n virStorageVolFree (returns non-void)
 271 # n virStorageVolFreeName (returns non-void)
 272 # n virStreamFree
 273
 274 # Avoid uses of write(2).  Either switch to streams (fwrite), or use
 275 # the safewrite wrapper.
 276 sc_avoid_write:
 277         @prohibit='\<write *\(' \
 278         in_vc_files='\.c$$' \
 279         halt='consider using safewrite instead of write' \
 280           $(_sc_search_regexp)
 281
 282 # In debug statements, print flags as bitmask and mode_t as octal.
 283 sc_flags_debug:
 284         @prohibit='\<mode=%[0-9.]*[diuxo]' \
 285         halt='use \"0%o\" to debug mode_t values' \
 286           $(_sc_search_regexp)
 287         @prohibit='[Ff]lags=%[0-9.]*l*[dioux]' \
 288         halt='use \"0x%x\" to debug flag values' \
 289           $(_sc_search_regexp)
 290
 291 # Prefer 'unsigned int flags', along with checks for unknown flags.
 292 # For historical reasons, we are stuck with 'unsigned long flags' in
 293 # migration, so check for those known 4 instances and no more in public
 294 # API.  Also check that no flags are marked unused, and 'unsigned' should
 295 # appear before any declaration of a flags variable (achieved by
 296 # prohibiting the word prior to the type from ending in anything other
 297 # than d).  The existence of long long, and of documentation about
 298 # flags, makes the regex in the third test slightly harder.
 299 sc_flags_usage:
 300         @test "$$(cat $(srcdir)/include/libvirt/libvirt-domain.h \
 301             $(srcdir)/include/libvirt/virterror.h \
 302             $(srcdir)/include/libvirt/libvirt-qemu.h \
 303             $(srcdir)/include/libvirt/libvirt-lxc.h \
 304             $(srcdir)/include/libvirt/libvirt-admin.h \
 305           | $(GREP) -c '\(long\|unsigned\) flags')" != 4 && \
 306           { echo '$(ME): new API should use "unsigned int flags"' 1>&2; \
 307             exit 1; } || :
 308         @prohibit=' flags ATTRIBUTE_UNUSED' \
 309         exclude='virSecurityDomainImageLabelFlags' \
 310         halt='flags should be checked with virCheckFlags' \
 311           $(_sc_search_regexp)
 312         @prohibit='^[^@]*([^d] (int|long long)|[^dg] long) flags[;,)]' \
 313         halt='flags should be unsigned' \
 314           $(_sc_search_regexp)
 315
 316 # Avoid functions that should only be called via macro counterparts.
 317 sc_prohibit_internal_functions:
 318         @prohibit='vir(Free|AllocN?|ReallocN|(Insert|Delete)ElementsN|File(Close|Fclose|Fdopen)) *\(' \
 319         halt='use VIR_ macros instead of internal functions' \
 320           $(_sc_search_regexp)
 321
 322 sc_prohibit_raw_virclassnew:
 323         @prohibit='virClassNew *\(' \
 324         halt='use VIR_CLASS_NEW instead of virClassNew' \
 325           $(_sc_search_regexp)
 326
 327 # Avoid raw malloc and free, except in documentation comments.
 328 sc_prohibit_raw_allocation:
 329         @prohibit='^.[^*].*\<((m|c|re)alloc|free) *\([^)]' \
 330         halt='use VIR_ macros from viralloc.h instead of malloc/free' \
 331           $(_sc_search_regexp)
 332
 333 # Avoid functions that can lead to double-close bugs.
 334 sc_prohibit_close:
 335         @prohibit='([^>.]|^)\<[fp]?close *\(' \
 336         halt='use VIR_{FORCE_}[F]CLOSE instead of [f]close' \
 337           $(_sc_search_regexp)
 338         @prohibit='\<fdopen *\(' \
 339         halt='use VIR_FDOPEN instead of fdopen' \
 340           $(_sc_search_regexp)
 341
 342 # Prefer virCommand for all child processes.
 343 sc_prohibit_fork_wrappers:
 344         @prohibit='= *\<(fork|popen|system) *\(' \
 345         halt='use virCommand for child processes' \
 346           $(_sc_search_regexp)
 347
 348 # Prefer mkostemp with O_CLOEXEC.
 349 sc_prohibit_mkstemp:
 350         @prohibit='[^"]\<mkstemps? *\(' \
 351         halt='use mkostemp with O_CLOEXEC instead of mkstemp' \
 352           $(_sc_search_regexp)
 353
 354 # access with X_OK accepts directories, but we can't exec() those.
 355 # access with F_OK or R_OK is okay, though.
 356 sc_prohibit_access_xok:
 357         @prohibit='access(at)? *\(.*X_OK' \
 358         halt='use virFileIsExecutable instead of access(,X_OK)' \
 359           $(_sc_search_regexp)
 360
 361 # Similar to the gnulib maint.mk rule for sc_prohibit_strcmp
 362 # Use STREQLEN or STRPREFIX rather than comparing strncmp == 0, or != 0.
 363 snp_ = strncmp *\(.+\)
 364 sc_prohibit_strncmp:
 365         @prohibit='! *strncmp *\(|\<$(snp_) *[!=]=|[!=]= *$(snp_)' \
 366         exclude=':# *define STR(N?EQLEN|PREFIX)\(' \
 367         halt='use STREQLEN or STRPREFIX instead of strncmp' \
 368           $(_sc_search_regexp)
 369
 370 # strtol and friends are too easy to misuse
 371 sc_prohibit_strtol:
 372         @prohibit='\bstrto(u?ll?|[ui]max) *\(' \
 373         exclude='exempt from syntax-check' \
 374         halt='use virStrToLong_*, not strtol variants' \
 375           $(_sc_search_regexp)
 376         @prohibit='\bstrto[df] *\(' \
 377         exclude='exempt from syntax-check' \
 378         halt='use virStrToDouble, not strtod variants' \
 379           $(_sc_search_regexp)
 380
 381 # Use virAsprintf rather than as'printf since *strp is undefined on error.
 382 # But for plain %s, virAsprintf is overkill compared to strdup.
 383 sc_prohibit_asprintf:
 384         @prohibit='\<v?a[s]printf\>' \
 385         halt='use virAsprintf, not asprintf' \
 386           $(_sc_search_regexp)
 387         @prohibit='virAsprintf.*, *"%s",' \
 388         halt='use VIR_STRDUP instead of virAsprintf with "%s"' \
 389           $(_sc_search_regexp)
 390
 391 sc_prohibit_strdup:
 392         @prohibit='\<strn?dup\> *\(' \
 393         halt='use VIR_STRDUP, not strdup' \
 394           $(_sc_search_regexp)
 395
 396 # Prefer virSetUIDGID.
 397 sc_prohibit_setuid:
 398         @prohibit='\<set(re)?[ug]id\> *\(' \
 399         halt='use virSetUIDGID, not raw set*id' \
 400           $(_sc_search_regexp)
 401
 402 # Don't compare *id_t against raw -1.
 403 sc_prohibit_risky_id_promotion:
 404         @prohibit='\b(user|group|[ug]id) *[=!]= *-' \
 405         halt='cast -1 to ([ug]id_t) before comparing against id' \
 406           $(_sc_search_regexp)
 407
 408 # Use snprintf rather than s'printf, even if buffer is provably large enough,
 409 # since gnulib has more guarantees for snprintf portability
 410 sc_prohibit_sprintf:
 411         @prohibit='\<[s]printf\>' \
 412         halt='use snprintf, not sprintf' \
 413           $(_sc_search_regexp)
 414
 415 sc_prohibit_readlink:
 416         @prohibit='\<readlink *\(' \
 417         halt='use virFileResolveLink, not readlink' \
 418           $(_sc_search_regexp)
 419
 420 sc_prohibit_gethostname:
 421         @prohibit='gethostname *\(' \
 422         halt='use virGetHostname, not gethostname' \
 423           $(_sc_search_regexp)
 424
 425 sc_prohibit_readdir:
 426         @prohibit='\b(read|close|open)dir *\(' \
 427         exclude='exempt from syntax-check' \
 428         halt='use virDirOpen, virDirRead and VIR_DIR_CLOSE' \
 429           $(_sc_search_regexp)
 430
 431 sc_prohibit_gettext_noop:
 432         @prohibit='gettext_noop *\(' \
 433         halt='use N_, not gettext_noop' \
 434           $(_sc_search_regexp)
 435
 436 sc_prohibit_VIR_ERR_NO_MEMORY:
 437         @prohibit='\<VIR_ERR_NO_MEMORY\>' \
 438         halt='use virReportOOMError, not VIR_ERR_NO_MEMORY' \
 439           $(_sc_search_regexp)
 440
 441 sc_prohibit_PATH_MAX:
 442         @prohibit='\<PATH_MAX\>' \
 443         halt='dynamically allocate paths, do not use PATH_MAX' \
 444           $(_sc_search_regexp)
 445
 446 include $(srcdir)/Makefile.nonreentrant
 447 sc_prohibit_nonreentrant:
 448         @prohibit="\\<(${NON_REENTRANT_RE}) *\\(" \
 449         halt="use re-entrant functions (usually ending with _r)" \
 450           $(_sc_search_regexp)
 451
 452 sc_prohibit_select:
 453         @prohibit='\<select *\(' \
 454         halt='use poll(), not select()' \
 455           $(_sc_search_regexp)
 456
 457 # Prohibit the inclusion of <ctype.h>.
 458 sc_prohibit_ctype_h:
 459         @prohibit='^# *include  *<ctype\.h>' \
 460         halt='use c-ctype.h instead of ctype.h' \
 461           $(_sc_search_regexp)
 462
 463 # We have our own wrapper for mocking purposes
 464 sc_prohibit_canonicalize_file_name:
 465         @prohibit='\<canonicalize_file_name\(' \
 466         exclude='exempt from syntax-check' \
 467         halt='use virFileCanonicalizePath() instead of canonicalize_file_name()' \
 468           $(_sc_search_regexp)
 469
 470 # Insist on correct types for [pug]id.
 471 sc_correct_id_types:
 472         @prohibit='\<(int|long) *[pug]id\>' \
 473         exclude='exempt from syntax-check' \
 474         halt='use pid_t for pid, uid_t for uid, gid_t for gid' \
 475           $(_sc_search_regexp)
 476
 477 # "const fooPtr a" is the same as "foo * const a", even though it is
 478 # usually desired to have "foo const *a".  It's easier to just prevent
 479 # the confusing mix of typedef vs. const placement.
 480 # Also requires that all 'fooPtr' typedefs are actually pointers.
 481 sc_forbid_const_pointer_typedef:
 482         @prohibit='(^|[^"])const \w*Ptr' \
 483         halt='"const fooPtr var" does not declare what you meant' \
 484           $(_sc_search_regexp)
 485         @prohibit='typedef [^(]+ [^*]\w*Ptr\b' \
 486         halt='use correct style and type for Ptr typedefs' \
 487           $(_sc_search_regexp)
 488
 489 # Forbid sizeof foo or sizeof (foo), require sizeof(foo)
 490 sc_size_of_brackets:
 491         @prohibit='sizeof\s' \
 492         halt='use sizeof(foo), not sizeof (foo) or sizeof foo' \
 493           $(_sc_search_regexp)
 494
 495 # Ensure that no C source file, docs, or rng schema uses TABs for
 496 # indentation.  Also match *.h.in files, to get libvirt.h.in.  Exclude
 497 # files in gnulib, since they're imported.
 498 space_indent_files=(\.(aug(\.in)?|rng|s?[ch](\.in)?|html.in|py|pl|syms)|(daemon|tools)/.*\.in)
 499 sc_TAB_in_indentation:
 500         @prohibit='^ *  ' \
 501         in_vc_files='$(space_indent_files)$$' \
 502         halt='indent with space, not TAB, in C, sh, html, py, syms and RNG schemas' \
 503           $(_sc_search_regexp)
 504
 505 ctype_re = isalnum|isalpha|isascii|isblank|iscntrl|isdigit|isgraph|islower\
 506 |isprint|ispunct|isspace|isupper|isxdigit|tolower|toupper
 507
 508 sc_avoid_ctype_macros:
 509         @prohibit='\b($(ctype_re)) *\(' \
 510         in_vc_files='\.[ch]$$' \
 511         halt='use c-ctype.h instead of ctype macros' \
 512           $(_sc_search_regexp)
 513
 514 sc_avoid_strcase:
 515         @prohibit='\bstrn?case(cmp|str) *\(' \
 516         halt='use c-strcase.h instead of raw strcase functions' \
 517           $(_sc_search_regexp)
 518
 519 sc_prohibit_virBufferAdd_with_string_literal:
 520         @prohibit='\<virBufferAdd *\([^,]+, *"[^"]' \
 521         halt='use virBufferAddLit, not virBufferAdd, with a string literal' \
 522           $(_sc_search_regexp)
 523
 524 sc_prohibit_virBufferAsprintf_with_string_literal:
 525         @prohibit='\<virBufferAsprintf *\([^,]+, *"([^%"\]|\\.|%%)*"\)' \
 526         halt='use virBufferAddLit, not virBufferAsprintf, with a string literal' \
 527           $(_sc_search_regexp)
 528
 529 sc_forbid_manual_xml_indent:
 530         @prohibit='virBuffer.*" +<' \
 531         halt='use virBufferAdjustIndent instead of spaces when indenting xml' \
 532           $(_sc_search_regexp)
 533
 534 # dirname and basename from <libgen.h> are not required to be thread-safe
 535 sc_prohibit_libgen:
 536         @prohibit='( (base|dir)name *\(|include .libgen\.h)' \
 537         halt='use functions from gnulib "dirname.h", not <libgen.h>' \
 538           $(_sc_search_regexp)
 539
 540 # raw xmlGetProp requires some nasty casts
 541 sc_prohibit_xmlGetProp:
 542         @prohibit='\<xmlGetProp *\(' \
 543         halt='use virXMLPropString, not xmlGetProp' \
 544           $(_sc_search_regexp)
 545
 546 # xml(ParseURI|SaveUri) doesn't handle IPv6 URIs well
 547 sc_prohibit_xmlURI:
 548         @prohibit='\<xml(ParseURI|SaveUri) *\(' \
 549         halt='use virURI(Parse|Format), not xml(ParseURI|SaveUri)' \
 550           $(_sc_search_regexp)
 551
 552 # we don't want old old-style return with parentheses around argument
 553 sc_prohibit_return_as_function:
 554         @prohibit='\<return *\(([^()]*(\([^()]*\)[^()]*)*)\) *;' \
 555         halt='avoid extra () with return statements' \
 556           $(_sc_search_regexp)
 557
 558 # ATTRIBUTE_UNUSED should only be applied in implementations, not
 559 # header declarations
 560 sc_avoid_attribute_unused_in_header:
 561         @prohibit='^[^#]*ATTRIBUTE_UNUSED([^:]|$$)' \
 562         in_vc_files='\.h$$' \
 563         halt='use ATTRIBUTE_UNUSED in .c rather than .h files' \
 564           $(_sc_search_regexp)
 565
 566 sc_prohibit_int_index:
 567         @prohibit='\<(int|unsigned)\s*\*?index\>(\s|,|;)' \
 568         halt='use different name than 'index' for declaration' \
 569           $(_sc_search_regexp)
 570
 571 sc_prohibit_int_ijk:
 572         @prohibit='\<(int|unsigned) ([^(=]* )*(i|j|k)\>(\s|,|;)' \
 573         exclude='exempt from syntax-check' \
 574         halt='use size_t, not int/unsigned int for loop vars i, j, k' \
 575           $(_sc_search_regexp)
 576
 577 sc_prohibit_loop_iijjkk:
 578         @prohibit='\<(int|unsigned) ([^=]+ )*(ii|jj|kk)\>(\s|,|;)' \
 579         halt='use i, j, k for loop iterators, not ii, jj, kk' \
 580           $(_sc_search_regexp)
 581
 582 # RHEL 5 gcc can't grok "for (int i..."
 583 sc_prohibit_loop_var_decl:
 584         @prohibit='\<for *\(\w+[ *]+\w+' \
 585         in_vc_files='\.[ch]$$' \
 586         halt='declare loop iterators outside the for statement' \
 587           $(_sc_search_regexp)
 588
 589 # Use 'bool', not 'int', when assigning true or false
 590 sc_prohibit_int_assign_bool:
 591         @prohibit='\<int\>.*= *(true|false)' \
 592         halt='use bool type for boolean values' \
 593           $(_sc_search_regexp)
 594
 595 sc_prohibit_unsigned_pid:
 596         @prohibit='\<unsigned\> [^,=;(]+pid' \
 597         halt='use signed type for pid values' \
 598           $(_sc_search_regexp)
 599
 600 # Many of the function names below came from this filter:
 601 # git grep -B2 '\<_('|grep -E '\.c- *[[:alpha:]_][[:alnum:]_]* ?\(.*[,;]$' \
 602 # |sed 's/.*\.c-  *//'|perl -pe 's/ ?\(.*//'|sort -u \
 603 # |grep -vE '^(qsort|if|close|assert|fputc|free|N_|vir.*GetName|.*Unlock|virNodeListDevices|virHashRemoveEntry|freeaddrinfo|.*[fF]ree|xdrmem_create|xmlXPathFreeObject|virUUIDFormat|openvzSetProgramSentinal|polkit_action_unref)$'
 604
 605 msg_gen_function =
 606 msg_gen_function += VIR_ERROR
 607 msg_gen_function += lxcError
 608 msg_gen_function += regerror
 609 msg_gen_function += vah_error
 610 msg_gen_function += vah_warning
 611 msg_gen_function += virGenericReportError
 612 msg_gen_function += virRaiseError
 613 msg_gen_function += virReportError
 614 msg_gen_function += virReportErrorHelper
 615 msg_gen_function += virReportSystemError
 616 msg_gen_function += xenapiSessionErrorHandler
 617
 618 # Uncomment the following and run "make syntax-check" to see diagnostics
 619 # that are not yet marked for translation, but that need to be rewritten
 620 # so that they are translatable.
 621 # msg_gen_function += fprintf
 622 # msg_gen_function += testError
 623 # msg_gen_function += vshPrint
 624 # msg_gen_function += vshError
 625
 626 space =
 627 space +=
 628 func_re= ($(subst $(space),|,$(msg_gen_function)))
 629
 630 # Look for diagnostics that aren't marked for translation.
 631 # This won't find any for which error's format string is on a separate line.
 632 # The sed filters eliminate false-positives like these:
 633 #    _("...: "
 634 #    "%s", _("no storage vol w..."
 635 sc_libvirt_unmarked_diagnostics:
 636         @prohibit='\<$(func_re) *\([^"]*"[^"]*[a-z]{3}' \
 637         exclude='_\(' \
 638         halt='found unmarked diagnostic(s)' \
 639           $(_sc_search_regexp)
 640         @{ $(VC_LIST_EXCEPT) | xargs \
 641                 $(GREP)     -nE '\<$(func_re) *\(.*;$$' /dev/null; \
 642            $(VC_LIST_EXCEPT) | xargs \
 643                 $(GREP) -A1 -nE '\<$(func_re) *\(.*,$$' /dev/null; } \
 644            | $(SED) -E 's/_\("([^\"]|\\.)+"//;s/"%s"//' \
 645            | $(GREP) '"' && \
 646           { echo '$(ME): found unmarked diagnostic(s)' 1>&2; \
 647             exit 1; } || :
 648
 649 # Like the above, but prohibit a newline at the end of a diagnostic.
 650 # This is subject to false positives partly because it naively looks for
 651 # `\n"', which may not be the end of the string, and also because it takes
 652 # two lines of context (the -A2) after the line with the function name.
 653 # FIXME: this rule might benefit from a separate function list, in case
 654 # there are functions to which this one applies but that do not get marked
 655 # diagnostics.
 656 sc_prohibit_newline_at_end_of_diagnostic:
 657         @$(VC_LIST_EXCEPT) | xargs $(GREP) -A2 -nE \
 658             '\<$(func_re) *\(' /dev/null \
 659             | $(GREP) '\\n"' \
 660           && { echo '$(ME): newline at end of message(s)' 1>&2; \
 661             exit 1; } || :
 662
 663 # Look for diagnostics that lack a % in the format string, except that we
 664 # allow VIR_ERROR to do this, and ignore functions that take a single
 665 # string rather than a format argument.
 666 sc_prohibit_diagnostic_without_format:
 667         @{ $(VC_LIST_EXCEPT) | xargs \
 668                 $(GREP)     -nE '\<$(func_re) *\(.*;$$' /dev/null; \
 669            $(VC_LIST_EXCEPT) | xargs \
 670                 $(GREP) -A2 -nE '\<$(func_re) *\(.*,$$' /dev/null; } \
 671            | $(SED) -rn -e ':l; /[,"]$$/ {N;b l;}' \
 672                 -e '/(xenapiSessionErrorHandler|vah_(error|warning))/d' \
 673                 -e '/\<$(func_re) *\([^"]*"([^%"]|"\n[^"]*")*"[,)]/p' \
 674            | $(GREP) -vE 'VIR_ERROR' && \
 675           { echo '$(ME): found diagnostic without %' 1>&2; \
 676             exit 1; } || :
 677
 678 # The strings "" and "%s" should never be marked for translation.
 679 # Files under tests/ and examples/ should not be translated.
 680 sc_prohibit_useless_translation:
 681         @prohibit='_\("(%s)?"\)' \
 682         halt='found useless translation' \
 683           $(_sc_search_regexp)
 684         @prohibit='\<N?_ *\(' \
 685         in_vc_files='(tests|examples)/' \
 686         halt='no translations in tests or examples' \
 687           $(_sc_search_regexp)
 688
 689 # When splitting a diagnostic across lines, ensure that there is a space
 690 # or \n on one side of the split.
 691 sc_require_whitespace_in_translation:
 692         @$(VC_LIST_EXCEPT) | xargs $(GREP) -n -A1 '"$$' /dev/null \
 693            | $(SED) -ne ':l; /"$$/ {N;b l;}; s/"\n[^"]*"/""/g; s/\\n/ /g' \
 694                 -e '/_(.*[^\ ]""[^\ ]/p' | $(GREP) . && \
 695           { echo '$(ME): missing whitespace at line split' 1>&2; \
 696             exit 1; } || :
 697
 698 # Enforce recommended preprocessor indentation style.
 699 sc_preprocessor_indentation:
 700         @if cppi --version >/dev/null 2>&1; then \
 701           $(VC_LIST_EXCEPT) | $(GREP) -E '\.[ch](\.in)?$$' | xargs cppi -a -c \
 702             || { echo '$(ME): incorrect preprocessor indentation' 1>&2; \
 703                 exit 1; }; \
 704         else \
 705           echo '$(ME): skipping test $@: cppi not installed' 1>&2; \
 706         fi
 707
 708 # Enforce similar spec file indentation style, by running cppi on a
 709 # (comment-only) C file that mirrors the same layout as the spec file.
 710 sc_spec_indentation:
 711         @if cppi --version >/dev/null 2>&1; then \
 712           for f in $$($(VC_LIST_EXCEPT) | $(GREP) '\.spec\.in$$'); do \
 713             $(SED) -e 's|#|// #|; s|%ifn*\(arch\)* |#if a // |' \
 714                 -e 's/%\(else\|endif\|define\)/#\1/' \
 715                 -e 's/^\( *\)\1\1\1#/#\1/' \
 716                 -e 's|^\( *[^#/ ]\)|// \1|; s|^\( */[^/]\)|// \1|' $$f \
 717             | cppi -a -c 2>&1 | $(SED) "s|standard input|$$f|"; \
 718           done | { if $(GREP) . >&2; then false; else :; fi; } \
 719             || { echo '$(ME): incorrect preprocessor indentation' 1>&2; \
 720                 exit 1; }; \
 721         else \
 722           echo '$(ME): skipping test $@: cppi not installed' 1>&2; \
 723         fi
 724
 725 # Nested conditionals are easier to understand if we enforce that endifs
 726 # can be paired back to the if
 727 sc_makefile_conditionals:
 728         @prohibit='(else|endif)($$| *#)' \
 729         in_vc_files='Makefile\.am' \
 730         halt='match "if FOO" with "endif FOO" in Makefiles' \
 731           $(_sc_search_regexp)
 732
 733 # Long lines can be harder to diff; too long, and git send-email chokes.
 734 # For now, only enforce line length on files where we have intentionally
 735 # fixed things and don't want to regress.
 736 sc_prohibit_long_lines:
 737         @prohibit='.{90}' \
 738         in_vc_files='\.arg[sv]' \
 739         halt='Wrap long lines in expected output files' \
 740           $(_sc_search_regexp)
 741         @prohibit='.{80}' \
 742         in_vc_files='Makefile\.am' \
 743         halt='Wrap long lines in Makefiles' \
 744           $(_sc_search_regexp)
 745
 746 sc_copyright_format:
 747         @require='Copyright .*Red 'Hat', Inc\.' \
 748         containing='Copyright .*Red 'Hat \
 749         halt='Red Hat copyright is missing Inc.' \
 750           $(_sc_search_regexp)
 751         @prohibit='Copyright [^(].*Red 'Hat \
 752         halt='consistently use (C) in Red Hat copyright' \
 753           $(_sc_search_regexp)
 754         @prohibit='\<RedHat\>' \
 755         halt='spell Red Hat as two words' \
 756           $(_sc_search_regexp)
 757
 758 # Prefer the new URL listing over the old street address listing when
 759 # calling out where to get a copy of the [L]GPL.  Also, while we have
 760 # to ship COPYING (GPL) alongside COPYING.LESSER (LGPL), we want any
 761 # source file that calls out a top-level file to call out the LGPL
 762 # version.  Note that our typical copyright boilerplate refers to the
 763 # license by name, not by reference to a top-level file.
 764 sc_copyright_usage:
 765         @prohibit=Boston,' MA' \
 766         halt='Point to <http://www.gnu.org/licenses/>, not an address' \
 767           $(_sc_search_regexp)
 768         @require='COPYING\.LESSER' \
 769         containing='COPYING' \
 770         halt='Refer to COPYING.LESSER for LGPL' \
 771           $(_sc_search_regexp)
 772         @prohibit='COPYING\.LIB' \
 773         halt='Refer to COPYING.LESSER for LGPL' \
 774           $(_sc_search_regexp)
 775
 776 # Some functions/macros produce messages intended solely for developers
 777 # and maintainers.  Do not mark them for translation.
 778 sc_prohibit_gettext_markup:
 779         @prohibit='\<VIR_(WARN|INFO|DEBUG) *\(_\(' \
 780         halt='do not mark these strings for translation' \
 781           $(_sc_search_regexp)
 782
 783 # Our code is divided into modular subdirectories for a reason, and
 784 # lower-level code must not include higher-level headers.
 785 cross_dirs=$(patsubst $(srcdir)/src/%.,%,$(wildcard $(srcdir)/src/*/.))
 786 cross_dirs_re=($(subst / ,/|,$(cross_dirs)))
 787 mid_dirs=access|admin|conf|cpu|locking|logging|rpc|security
 788 sc_prohibit_cross_inclusion:
 789         @for dir in $(cross_dirs); do \
 790           case $$dir in \
 791             util/) safe="util";; \
 792             access/ | conf/) safe="($$dir|conf|util)";; \
 793             cpu/| network/| node_device/| rpc/| security/| storage/) \
 794               safe="($$dir|util|conf|storage)";; \
 795             xenapi/ | xenconfig/ ) safe="($$dir|util|conf|xen|cpu)";; \
 796             *) safe="($$dir|$(mid_dirs)|util)";; \
 797           esac; \
 798           in_vc_files="^src/$$dir" \
 799           prohibit='^# *include .$(cross_dirs_re)' \
 800           exclude="# *include .$$safe" \
 801           halt='unsafe cross-directory include' \
 802             $(_sc_search_regexp) \
 803         done
 804
 805 # When converting an enum to a string, make sure that we track any new
 806 # elements added to the enum by using a _LAST marker.
 807 sc_require_enum_last_marker:
 808         @$(VC_LIST_EXCEPT) | xargs \
 809                 $(GREP) -A1 -nE '^[^#]*VIR_ENUM_IMPL *\(' /dev/null \
 810            | $(SED) -ne '/VIR_ENUM_IMPL.*,$$/N' \
 811              -e '/VIR_ENUM_IMPL[^,]*,[^,]*,[^,]*[^_,][^L,][^A,][^S,][^T,],/p' \
 812              -e '/VIR_ENUM_IMPL[^,]*,[^,]\{0,4\},/p' \
 813            | $(GREP) . && \
 814           { echo '$(ME): enum impl needs _LAST marker on second line' 1>&2; \
 815             exit 1; } || :
 816
 817 # In Python files we don't want to end lines with a semicolon like in C
 818 sc_prohibit_semicolon_at_eol_in_python:
 819         @prohibit='^[^#].*\;$$' \
 820         in_vc_files='\.py$$' \
 821         halt='python does not require to end lines with a semicolon' \
 822           $(_sc_search_regexp)
 823
 824 # mymain() in test files should use return, not exit, for nicer output
 825 sc_prohibit_exit_in_tests:
 826         @prohibit='\<exit *\(' \
 827         in_vc_files='tests/.*\.c$$' \
 828         halt='use return, not exit(), in tests' \
 829           $(_sc_search_regexp)
 830
 831 # Don't include "libvirt/*.h" in "" form.
 832 sc_prohibit_include_public_headers_quote:
 833         @prohibit='# *include *"libvirt/.*\.h"' \
 834         in_vc_files='\.[ch]$$' \
 835         halt='Do not include libvirt/*.h in internal source' \
 836           $(_sc_search_regexp)
 837
 838 # Don't include "libvirt/*.h" in <> form. Except for external tools,
 839 # e.g. Python binding, examples and tools subdirectories.
 840 sc_prohibit_include_public_headers_brackets:
 841         @prohibit='# *include *<libvirt/.*\.h>' \
 842         in_vc_files='\.[ch]$$' \
 843         halt='Do not include libvirt/*.h in internal source' \
 844           $(_sc_search_regexp)
 845
 846 # <config.h> is only needed in .c files; .h files do not need it since
 847 # .c files must include config.h before any other .h.
 848 sc_prohibit_config_h_in_headers:
 849         @prohibit='^# *include\>.*config\.h' \
 850         in_vc_files='\.h$$' \
 851         halt='headers should not include <config.h>' \
 852           $(_sc_search_regexp)
 853
 854 sc_prohibit_unbounded_arrays_in_rpc:
 855         @prohibit='<>' \
 856         in_vc_files='\.x$$' \
 857         halt='Arrays in XDR must have a upper limit set for <NNN>' \
 858           $(_sc_search_regexp)
 859
 860 sc_prohibit_getenv:
 861         @prohibit='\b(secure_)?getenv *\(' \
 862         exclude='exempt from syntax-check' \
 863         halt='Use virGetEnv{Allow,Block}SUID instead of getenv' \
 864           $(_sc_search_regexp)
 865
 866 sc_prohibit_atoi:
 867         @prohibit='\bato(i|f|l|ll|q) *\(' \
 868         halt='Use virStrToLong* instead of atoi, atol, atof, atoq, atoll' \
 869           $(_sc_search_regexp)
 870
 871 sc_prohibit_wrong_filename_in_comment:
 872         @$(VC_LIST_EXCEPT) | $(GREP) '\.[ch]$$' | xargs awk 'BEGIN { \
 873           fail=0; \
 874         } FNR < 3 { \
 875           n=match($$0, /[[:space:]][^[:space:]]*[.][ch][[:space:]:]/); \
 876           if (n > 0) { \
 877             A=substr($$0, RSTART+1, RLENGTH-2); \
 878             n=split(FILENAME, arr, "/"); \
 879             if (A != arr[n]) { \
 880               print "in " FILENAME ": " A " mentioned in comments "; \
 881               fail=1; \
 882             } \
 883           } \
 884         } END { \
 885           if (fail == 1) { \
 886             exit 1; \
 887           } \
 888         }' || { echo '$(ME): The file name in comments must match the' \
 889             'actual file name' 1>&2; exit 1; }
 890
 891 sc_prohibit_virConnectOpen_in_virsh:
 892         @prohibit='\bvirConnectOpen[a-zA-Z]* *\(' \
 893         in_vc_files='tools/virsh-.*\.[ch]$$' \
 894         halt='Use vshConnect() in virsh instead of virConnectOpen*' \
 895           $(_sc_search_regexp)
 896
 897 sc_require_space_before_label:
 898         @prohibit='^(   ?)?[_a-zA-Z0-9]+:$$' \
 899         in_vc_files='\.[ch]$$' \
 900         halt='Top-level labels should be indented by one space' \
 901           $(_sc_search_regexp)
 902
 903 # Allow for up to three spaces before the label: this is to avoid running
 904 # into situations where neither this rule nor require_space_before_label
 905 # would apply, eg. a line matching ^[a-zA-Z0-9]+ :$
 906 sc_prohibit_space_in_label:
 907         @prohibit='^ {0,3}[_a-zA-Z0-9]+ +:$$' \
 908         in_vc_files='\.[ch]$$' \
 909         halt='There should be no space between label name and colon' \
 910           $(_sc_search_regexp)
 911
 912 # Doesn't catch all cases of mismatched braces across if-else, but it helps
 913 sc_require_if_else_matching_braces:
 914         @prohibit='(  else( if .*\))? {|} else( if .*\))?$$)' \
 915         in_vc_files='\.[chx]$$' \
 916         halt='if one side of if-else uses {}, both sides must use it' \
 917           $(_sc_search_regexp)
 918
 919 sc_curly_braces_style:
 920         @if $(VC_LIST_EXCEPT) | $(GREP) '\.[ch]$$' | xargs $(GREP) -nHP \
 921 '^\s*(?!([a-zA-Z_]*for_?each[a-zA-Z_]*) ?\()([_a-zA-Z0-9]+( [_a-zA-Z0-9]+)* ?\()?(\*?[_a-zA-Z0-9]+(,? \*?[_a-zA-Z0-9\[\]]+)+|void)\) ?\{' \
 922         /dev/null; then \
 923           echo '$(ME): Non-K&R style used for curly braces around' \
 924             'function body' 1>&2; exit 1; \
 925         fi; \
 926         if $(VC_LIST_EXCEPT) | $(GREP) '\.[ch]$$' | xargs \
 927             $(GREP) -A1 -En ' ((if|for|while|switch) \(|(else|do)\b)[^{]*$$' \
 928             /dev/null | $(GREP) '^[^ ]*- *{'; then \
 929           echo '$(ME): Use hanging braces for compound statements' 1>&2; exit 1; \
 930         fi
 931
 932 sc_prohibit_windows_special_chars_in_filename:
 933         @$(VC_LIST_EXCEPT) | $(GREP) '[:*?"<>|]' && \
 934         { echo '$(ME): Windows special chars in filename not allowed' 1>&2; echo exit 1; } || :
 935
 936 sc_prohibit_mixed_case_abbreviations:
 937         @prohibit='Pci|Usb|Scsi' \
 938         in_vc_files='\.[ch]$$' \
 939         halt='Use PCI, USB, SCSI, not Pci, Usb, Scsi' \
 940           $(_sc_search_regexp)
 941
 942 # Require #include <locale.h> in all files that call setlocale()
 943 sc_require_locale_h:
 944         @require='include.*locale\.h' \
 945         containing='setlocale *(' \
 946         halt='setlocale() requires <locale.h>' \
 947           $(_sc_search_regexp)
 948
 949 sc_prohibit_empty_first_line:
 950         @$(VC_LIST_EXCEPT) | xargs awk 'BEGIN { fail=0; } \
 951         FNR == 1 { if ($$0 == "") { print FILENAME ":1:"; fail=1; } } \
 952         END { if (fail == 1) { \
 953           print "$(ME): Prohibited empty first line" > "/dev/stderr"; \
 954         } exit fail; }'
 955
 956 sc_prohibit_paren_brace:
 957         @prohibit='\)\{$$' \
 958         in_vc_files='\.[chx]$$' \
 959         halt='Put space between closing parenthesis and opening brace' \
 960           $(_sc_search_regexp)
 961
 962 # C guarantees that static variables are zero initialized, and some compilers
 963 # waste space by sticking explicit initializers in .data instead of .bss
 964 sc_prohibit_static_zero_init:
 965         @prohibit='\bstatic\b.*= *(0[^xX0-9]|NULL|false)' \
 966         in_vc_files='\.[chx](\.in)?$$' \
 967         halt='static variables do not need explicit zero initialization'\
 968           $(_sc_search_regexp)
 969
 970 # FreeBSD exports the "devname" symbol which produces a warning.
 971 sc_prohibit_devname:
 972         @prohibit='\bdevname\b' \
 973         exclude='sc_prohibit_devname' \
 974         halt='avoid using devname as FreeBSD exports the symbol' \
 975           $(_sc_search_regexp)
 976
 977 sc_prohibit_system_error_with_vir_err:
 978         @prohibit='\bvirReportSystemError *\(VIR_ERR_' \
 979         halt='do not use virReportSystemError with VIR_ERR_* error codes' \
 980           $(_sc_search_regexp)
 981
 982 # Rule to prohibit usage of virXXXFree within library, daemon, remote, etc.
 983 # functions. There's a corresponding exclude to allow usage within tests,
 984 # docs, examples, tools, src/libvirt-*.c, and include/libvirt/libvirt-*.h
 985 sc_prohibit_virXXXFree:
 986         @prohibit='\bvir(Domain|Network|NodeDevice|StorageVol|StoragePool|Stream|Secret|NWFilter|Interface|DomainSnapshot)Free\b' \
 987         exclude='sc_prohibit_virXXXFree' \
 988         halt='avoid using virXXXFree, use virObjectUnref instead' \
 989           $(_sc_search_regexp)
 990
 991 sc_prohibit_sysconf_pagesize:
 992         @prohibit='sysconf\(_SC_PAGESIZE' \
 993         halt='use virGetSystemPageSize[KB] instead of sysconf(_SC_PAGESIZE)' \
 994           $(_sc_search_regexp)
 995
 996 sc_prohibit_virSecurity:
 997         @$(VC_LIST_EXCEPT) | $(GREP) 'src/qemu/' | \
 998                 $(GREP) -v 'src/qemu/qemu_security' | \
 999                 xargs $(GREP) -Pn 'virSecurityManager(?!Ptr)' /dev/null && \
1000                 { echo '$(ME): prefer qemuSecurity wrappers' 1>&2; exit 1; } || :
1001
1002 sc_prohibit_pthread_create:
1003         @prohibit='\bpthread_create\b' \
1004         exclude='sc_prohibit_pthread_create' \
1005         halt='avoid using pthread_create, use virThreadCreate instead' \
1006           $(_sc_search_regexp)
1007
1008 sc_prohibit_not_streq:
1009         @prohibit='! *STRN?EQ *\(.*\)' \
1010         halt='Use STRNEQ instead of !STREQ and STREQ instead of !STRNEQ' \
1011           $(_sc_search_regexp)
1012
1013 sc_prohibit_verbose_strcat:
1014         @prohibit='strncat\([^,]*,\s+([^,]*),\s+strlen\(\1\)\)' \
1015         in_vc_files='\.[ch]$$' \
1016         halt='Use strcat(a, b) instead of strncat(a, b, strlen(b))' \
1017           $(_sc_search_regexp)
1018
1019 # Ensure that each .c file containing a "main" function also
1020 # calls virGettextInitialize
1021 sc_gettext_init:
1022         @require='virGettextInitialize *\(' \
1023         in_vc_files='\.c$$' \
1024         containing='\<main *(' \
1025         halt='the above files do not call virGettextInitialize' \
1026           $(_sc_search_regexp)
1027
1028 sc_prohibit_obj_free_apis_in_virsh:
1029         @prohibit='\bvir(Domain|DomainSnapshot)Free\b' \
1030         in_vc_files='virsh.*\.[ch]$$' \
1031         exclude='sc_prohibit_obj_free_apis_in_virsh' \
1032         halt='avoid using virDomain(Snapshot)Free in virsh, use virsh-prefixed wrappers instead' \
1033           $(_sc_search_regexp)
1034
1035 https_sites = www.libvirt.org
1036 https_sites += libvirt.org
1037 https_sites += security.libvirt.org
1038 https_sites += qemu.org
1039 https_sites += www.qemu.org
1040 https_sites += wiki.qemu.org
1041 https_sites += linux-kvm.org
1042 https_sites += www.linux-kvm.org
1043
1044 https_re= ($(subst $(space),|,$(https_sites)))
1045
1046 sc_prohibit_http_urls:
1047         @prohibit='http://$(https_re)' \
1048         exclude="/schemas/" \
1049         halt='Links must use https:// protocol' \
1050           $(_sc_search_regexp)
1051
1052 sc_prohibit_author:
1053         @prohibit="(\*|#)\s*(A|a)uthors?:" \
1054         halt="Author: statements are prohibited in source comments" \
1055           $(_sc_search_regexp)
1056
1057 # Alignment is usually achieved through spaces (at least two of them)
1058 # or tabs (at least one of them) right before the trailing backslash
1059 sc_prohibit_backslash_alignment:
1060         @prohibit='(  | )\\$$' \
1061         in_vc_files='*\.([chx]|am|mk)$$' \
1062         halt='Do not attempt to right-align backslashes' \
1063           $(_sc_search_regexp)
1064
1065 # Some syntax rules pertaining to the usage of cleanup macros
1066 # implementing GNU C's cleanup attribute
1067
1068 # Rule to ensure that variables declared using a cleanup macro are
1069 # always initialized.
1070 sc_require_attribute_cleanup_initialization:
1071         @prohibit='VIR_AUTO((FREE|PTR|UNREF|CLEAN)\(.+\)|CLOSE|STRINGLIST) *[^=]+;' \
1072         in_vc_files='\.[chx]$$' \
1073         halt='variable declared with a cleanup macro must be initialized' \
1074           $(_sc_search_regexp)
1075
1076 # "class" in headers is not good because by default Vim treats it as a keyword
1077 # Let's prohibit it in source files as well.
1078 sc_prohibit_class:
1079         @prohibit=' +_?class *;' \
1080         in_vc_files='\.[chx]$$' \
1081         halt='use klass instead of class or _class' \
1082           $(_sc_search_regexp)
1083
1084 # The dirent "d_type" field is non-portable and even when it
1085 # exists some filesystems will only ever return DT_UNKNOWN.
1086 # This field should only be used by code which is exclusively
1087 # run platforms supporting "d_type" and must expect DT_UNKNOWN.
1088 # We blacklist it to discourage accidental usage which has
1089 # happened many times. Add an exclude rule if it is genuinely
1090 # needed and the above restrictions are acceptable.
1091 sc_prohibit_dirent_d_type:
1092         @prohibit='(->|\.)d_type' \
1093         in_vc_files='\.[chx]$$' \
1094         halt='do not use the d_type field in "struct dirent"' \
1095           $(_sc_search_regexp)
1096
1097
1098 # We don't use this feature of maint.mk.
1099 prev_version_file = /dev/null
1100
1101 ifneq ($(_gl-Makefile),)
1102 ifeq (0,$(MAKELEVEL))
1103   _dry_run_result := $(shell \
1104       cd '$(srcdir)'; \
1105       test -d .git || test -f .git || { echo 0; exit; }; \
1106       $(srcdir)/autogen.sh --dry-run >/dev/null 2>&1; \
1107       echo $$?; \
1108   )
1109   _clean_requested = $(filter %clean,$(MAKECMDGOALS))
1110
1111   # A return value of 0 means no action is required
1112
1113   # A return value of 1 means a genuine error has occurred while
1114   # performing the dry run, and it should be reported so it can
1115   # be investigated
1116   ifeq (1,$(_dry_run_result))
1117     $(info INFO: autogen.sh error, running again to show details)
1118 maint.mk Makefile: _autogen_error
1119   endif
1120
1121   # A return value of 2 means that autogen.sh needs to be executed
1122   # in earnest before building, probably because of gnulib updates.
1123   # We don't run autogen.sh if the clean target has been invoked,
1124   # though, as it would be quite pointless
1125   ifeq (2,$(_dry_run_result)$(_clean_requested))
1126     $(info INFO: running autogen.sh is required, running it now...)
1127     $(shell touch $(srcdir)/AUTHORS)
1128 maint.mk Makefile: _autogen
1129   endif
1130 endif
1131 endif
1132
1133 # It is necessary to call autogen any time gnulib changes.  Autogen
1134 # reruns configure, then we regenerate all Makefiles at once.
1135 .PHONY: _autogen
1136 _autogen:
1137         $(srcdir)/autogen.sh
1138         ./config.status
1139
1140 .PHONY: _autogen_error
1141 _autogen_error:
1142         $(srcdir)/autogen.sh --dry-run
1143
1144 ifneq ($(_gl-Makefile),)
1145 syntax-check: spacing-check test-wrap-argv \
1146         prohibit-duplicate-header mock-noinline group-qemu-caps \
1147         header-ifdef
1148 endif
1149
1150 # Don't include duplicate header in the source (either *.c or *.h)
1151 prohibit-duplicate-header:
1152         $(AM_V_GEN)$(VC_LIST_EXCEPT) | $(GREP) '\.[chx]$$' | xargs \
1153         $(PERL) -W $(top_srcdir)/build-aux/prohibit-duplicate-header.pl
1154
1155 spacing-check:
1156         $(AM_V_GEN)$(VC_LIST) | $(GREP) '\.c$$' | xargs \
1157         $(PERL) $(top_srcdir)/build-aux/check-spacing.pl || \
1158           { echo '$(ME): incorrect formatting' 1>&2; exit 1; }
1159
1160 mock-noinline:
1161         $(AM_V_GEN)$(VC_LIST) | $(GREP) '\.[ch]$$' | xargs \
1162         $(PERL) $(top_srcdir)/build-aux/mock-noinline.pl
1163
1164 header-ifdef:
1165         $(AM_V_GEN)$(VC_LIST) | $(GREP) '\.[h]$$' | xargs \
1166         $(PERL) $(top_srcdir)/build-aux/header-ifdef.pl
1167
1168 test-wrap-argv:
1169         $(AM_V_GEN)$(VC_LIST) | $(GREP) -E '\.(ldargs|args)' | xargs \
1170         $(PERL) $(top_srcdir)/tests/test-wrap-argv.pl --check
1171
1172 group-qemu-caps:
1173         $(AM_V_GEN)$(PERL) $(top_srcdir)/tests/group-qemu-caps.pl --check $(top_srcdir)/
1174
1175 # sc_po_check can fail if generated files are not built first
1176 sc_po_check: \
1177                 $(srcdir)/src/remote/remote_daemon_dispatch_stubs.h \
1178                 $(srcdir)/src/remote/remote_daemon_dispatch_qemu_stubs.h \
1179                 $(srcdir)/src/remote/remote_client_bodies.h \
1180                 $(srcdir)/src/admin/admin_server_dispatch_stubs.h \
1181                 $(srcdir)/src/admin/admin_client.h
1182 $(srcdir)/src/remote/remote_daemon_dispatch_stubs.h: $(srcdir)/src/remote/remote_protocol.x
1183         $(MAKE) -C src remote/remote_daemon_dispatch_stubs.h
1184 $(srcdir)/src/remote/remote_daemon_dispatch_qemu_stubs.h: $(srcdir)/src/remote/qemu_protocol.x
1185         $(MAKE) -C src remote/remote_daemon_dispatch_qemu_stubs.h
1186 $(srcdir)/src/remote/remote_client_bodies.h: $(srcdir)/src/remote/remote_protocol.x
1187         $(MAKE) -C src remote/remote_client_bodies.h
1188 $(srcdir)/src/admin/admin_server_dispatch_stubs.h: $(srcdir)/src/admin/admin_protocol.x
1189         $(MAKE) -C src admin/admin_server_dispatch_stubs.h
1190 $(srcdir)/src/admin/admin_client.h: $(srcdir)/src/admin/admin_protocol.x
1191         $(MAKE) -C src admin/admin_client.h
1192
1193 # List all syntax-check exemptions:
1194 exclude_file_name_regexp--sc_avoid_strcase = ^tools/vsh\.h$$
1195
1196 _src1=libvirt-stream|qemu/qemu_monitor|util/vir(command|file|fdstream)|xen/xend_internal|rpc/virnetsocket|lxc/lxc_controller|locking/lock_daemon|logging/log_daemon
1197 _test1=shunloadtest|virnettlscontexttest|virnettlssessiontest|vircgroupmock|commandhelper
1198 exclude_file_name_regexp--sc_avoid_write = \
1199   ^(src/($(_src1))|tools/virsh-console|tests/($(_test1)))\.c$$
1200
1201 exclude_file_name_regexp--sc_bindtextdomain = .*
1202
1203 exclude_file_name_regexp--sc_gettext_init = ^(tests|examples)/
1204
1205 exclude_file_name_regexp--sc_copyright_format = \
1206         ^cfg\.mk$$
1207
1208 exclude_file_name_regexp--sc_copyright_usage = \
1209   ^COPYING(|\.LESSER)$$
1210
1211 exclude_file_name_regexp--sc_flags_usage = \
1212   ^(cfg\.mk|docs/|src/util/virnetdevtap\.c$$|tests/((vir(cgroup|pci|test|usb)|nss|qemuxml2argv|qemusecurity)mock|virfilewrapper)\.c$$)
1213
1214 exclude_file_name_regexp--sc_libvirt_unmarked_diagnostics = \
1215   ^(src/rpc/gendispatch\.pl$$|tests/)
1216
1217 exclude_file_name_regexp--sc_po_check = ^(docs/|src/rpc/gendispatch\.pl$$)
1218
1219 exclude_file_name_regexp--sc_prohibit_VIR_ERR_NO_MEMORY = \
1220   ^(cfg\.mk|include/libvirt/virterror\.h|src/remote/remote_daemon_dispatch\.c|src/util/virerror\.c|docs/internals/oomtesting\.html\.in)$$
1221
1222 exclude_file_name_regexp--sc_prohibit_PATH_MAX = \
1223         ^cfg\.mk$$
1224
1225 exclude_file_name_regexp--sc_prohibit_access_xok = \
1226         ^(cfg\.mk|src/util/virutil\.c)$$
1227
1228 exclude_file_name_regexp--sc_prohibit_asprintf = \
1229   ^(cfg\.mk|bootstrap.conf$$|examples/|src/util/virstring\.[ch]$$|tests/vircgroupmock\.c$$)
1230
1231 exclude_file_name_regexp--sc_prohibit_strdup = \
1232   ^(docs/|examples/|src/util/virstring\.c|tests/vir(netserverclient|cgroup)mock.c|tests/commandhelper\.c$$)
1233
1234 exclude_file_name_regexp--sc_prohibit_close = \
1235   (\.p[yl]$$|\.spec\.in$$|^docs/|^(src/util/virfile\.c|src/libvirt-stream\.c|tests/(vir.+mock\.c|commandhelper\.c|qemusecuritymock\.c))$$)
1236
1237 exclude_file_name_regexp--sc_prohibit_empty_lines_at_EOF = \
1238   (^tests/(virhostcpu|virpcitest)data/|docs/js/.*\.js|docs/fonts/.*\.woff|\.diff|tests/virconfdata/no-newline\.conf$$)
1239
1240 _src2=src/(util/vircommand|libvirt|lxc/lxc_controller|locking/lock_daemon|logging/log_daemon|remote/remote_daemon)
1241 exclude_file_name_regexp--sc_prohibit_fork_wrappers = \
1242   (^($(_src2)|tests/testutils)\.c$$)
1243
1244 exclude_file_name_regexp--sc_prohibit_gethostname = ^src/util/vir(util|log)\.c$$
1245
1246 exclude_file_name_regexp--sc_prohibit_internal_functions = \
1247   ^src/(util/(viralloc|virutil|virfile)\.[hc]|esx/esx_vi\.c)$$
1248
1249 exclude_file_name_regexp--sc_prohibit_raw_virclassnew = \
1250   ^src/util/virobject\.[hc]$$
1251
1252 exclude_file_name_regexp--sc_prohibit_newline_at_end_of_diagnostic = \
1253   ^src/rpc/gendispatch\.pl$$
1254
1255 exclude_file_name_regexp--sc_prohibit_nonreentrant = \
1256   ^((po|tests|examples/admin)/|docs/.*(py|js|html\.in)|run.in$$|tools/wireshark/util/genxdrstub\.pl$$)
1257
1258 exclude_file_name_regexp--sc_prohibit_select = \
1259         ^cfg\.mk$$
1260
1261 exclude_file_name_regexp--sc_prohibit_canonicalize_file_name = \
1262   ^(cfg\.mk|tests/virfilemock\.c)$$
1263
1264 exclude_file_name_regexp--sc_prohibit_raw_allocation = \
1265   ^(docs/hacking\.html\.in|src/util/viralloc\.[ch]|examples/.*|tests/(securityselinuxhelper|(vircgroup|nss)mock|commandhelper)\.c|tools/wireshark/src/packet-libvirt\.c)$$
1266
1267 exclude_file_name_regexp--sc_prohibit_readlink = \
1268   ^src/(util/virutil|lxc/lxc_container)\.c$$
1269
1270 exclude_file_name_regexp--sc_prohibit_setuid = ^src/util/virutil\.c$$
1271
1272 exclude_file_name_regexp--sc_prohibit_sprintf = \
1273   ^(cfg\.mk|docs/hacking\.html\.in|.*\.stp|.*\.pl)$$
1274
1275 exclude_file_name_regexp--sc_prohibit_strncpy = ^src/util/virstring\.c$$
1276
1277 exclude_file_name_regexp--sc_prohibit_strtol = ^examples/.*$$
1278
1279 exclude_file_name_regexp--sc_prohibit_xmlGetProp = ^src/util/virxml\.c$$
1280
1281 exclude_file_name_regexp--sc_prohibit_xmlURI = ^src/util/viruri\.c$$
1282
1283 exclude_file_name_regexp--sc_prohibit_return_as_function = \.py$$
1284
1285 exclude_file_name_regexp--sc_require_config_h = \
1286         ^(examples/|tools/virsh-edit\.c$$|tests/virmockstathelpers.c)
1287
1288 exclude_file_name_regexp--sc_require_config_h_first = \
1289         ^(examples/|tools/virsh-edit\.c$$|tests/virmockstathelpers.c)
1290
1291 exclude_file_name_regexp--sc_trailing_blank = \
1292   /sysinfodata/.*\.data|/virhostcpudata/.*\.cpuinfo|^gnulib/local/.*/.*diff$$
1293
1294 exclude_file_name_regexp--sc_unmarked_diagnostics = \
1295   ^(docs/apibuild.py|tests/virt-aa-helper-test|docs/js/.*\.js)$$
1296
1297 exclude_file_name_regexp--sc_size_of_brackets = cfg.mk
1298
1299 exclude_file_name_regexp--sc_correct_id_types = \
1300   (^src/locking/lock_protocol.x$$)
1301
1302 exclude_file_name_regexp--sc_m4_quote_check = m4/virt-lib.m4
1303
1304 exclude_file_name_regexp--sc_prohibit_include_public_headers_quote = \
1305   ^(src/internal\.h$$|tools/wireshark/src/packet-libvirt.c$$)
1306
1307 exclude_file_name_regexp--sc_prohibit_include_public_headers_brackets = \
1308   ^(tools/|examples/|include/libvirt/(virterror|libvirt(-(admin|qemu|lxc))?)\.h$$)
1309
1310 exclude_file_name_regexp--sc_prohibit_int_ijk = \
1311   ^(src/remote_protocol-structs|src/remote/remote_protocol\.x|cfg\.mk|include/libvirt/libvirt.+|src/admin_protocol-structs|src/admin/admin_protocol\.x)$$
1312
1313 exclude_file_name_regexp--sc_prohibit_unsigned_pid = \
1314   ^(include/libvirt/.*\.h|src/(qemu/qemu_driver\.c|driver-hypervisor\.h|libvirt(-[a-z]*)?\.c|.*\.x|util/vir(polkit|systemd)\.c)|tests/virpolkittest\.c|tools/virsh-domain\.c)$$
1315
1316 exclude_file_name_regexp--sc_prohibit_getenv = \
1317   ^tests/.*\.[ch]$$
1318
1319 exclude_file_name_regexp--sc_avoid_attribute_unused_in_header = \
1320   ^(src/util/virlog\.h|src/network/bridge_driver\.h)$$
1321
1322 exclude_file_name_regexp--sc_prohibit_mixed_case_abbreviations = \
1323   ^src/(vbox/vbox_CAPI.*.h|esx/esx_vi.(c|h)|esx/esx_storage_backend_iscsi.c)$$
1324
1325 exclude_file_name_regexp--sc_prohibit_empty_first_line = \
1326   ^(README|src/esx/README|tests/(vmwarever|virhostcpu)data/.*)$$
1327
1328 exclude_file_name_regexp--sc_prohibit_useless_translation = \
1329   ^tests/virpolkittest.c
1330
1331 exclude_file_name_regexp--sc_prohibit_devname = \
1332   ^(tools/virsh.pod|cfg.mk|docs/.*)$$
1333
1334 exclude_file_name_regexp--sc_prohibit_virXXXFree = \
1335   ^(docs/|tests/|examples/|tools/|cfg.mk|src/test/test_driver.c|src/libvirt_public.syms|include/libvirt/libvirt-(domain|network|nodedev|storage|stream|secret|nwfilter|interface|domain-snapshot).h|src/libvirt-(domain|qemu|network|nodedev|storage|stream|secret|nwfilter|interface|domain-snapshot).c$$)
1336
1337 exclude_file_name_regexp--sc_prohibit_sysconf_pagesize = \
1338   ^(cfg\.mk|src/util/virutil\.c)$$
1339
1340 exclude_file_name_regexp--sc_prohibit_pthread_create = \
1341   ^(cfg\.mk|src/util/virthread\.c|tests/.*)$$
1342
1343 exclude_file_name_regexp--sc_prohibit_always-defined_macros = \
1344   ^tests/virtestmock.c$$
1345
1346 exclude_file_name_regexp--sc_prohibit_readdir = \
1347   ^tests/(.*mock|virfilewrapper)\.c$$
1348
1349 exclude_file_name_regexp--sc_prohibit_cross_inclusion = \
1350   ^(src/util/virclosecallbacks\.h|src/util/virhostdev\.h)$$
1351
1352 exclude_file_name_regexp--sc_prohibit_dirent_d_type = \
1353   ^(src/util/vircgroup.c)$