コード例 #1
0
ファイル: ruby.c プロジェクト: srirammca53/update_status
static int
proc_options(int argc, char **argv, struct cmdline_options *opt, int envopt)
{
    int n, argc0 = argc;
    const char *s;

    if (argc == 0)
	return 0;

    for (argc--, argv++; argc > 0; argc--, argv++) {
	const char *const arg = argv[0];
	if (arg[0] != '-' || !arg[1])
	    break;

	s = arg + 1;
      reswitch:
	switch (*s) {
	  case 'a':
	    if (envopt) goto noenvopt;
	    opt->do_split = Qtrue;
	    s++;
	    goto reswitch;

	  case 'p':
	    if (envopt) goto noenvopt;
	    opt->do_print = Qtrue;
	    /* through */
	  case 'n':
	    if (envopt) goto noenvopt;
	    opt->do_loop = Qtrue;
	    s++;
	    goto reswitch;

	  case 'd':
	    ruby_debug = Qtrue;
	    ruby_verbose = Qtrue;
	    s++;
	    goto reswitch;

	  case 'y':
	    if (envopt) goto noenvopt;
	    opt->yydebug = 1;
	    s++;
	    goto reswitch;

	  case 'v':
	    if (opt->verbose) {
		s++;
		goto reswitch;
	    }
	    ruby_show_version();
	    opt->verbose = 1;
	  case 'w':
	    ruby_verbose = Qtrue;
	    s++;
	    goto reswitch;

	  case 'W':
	    {
		int numlen;
		int v = 2;	/* -W as -W2 */

		if (*++s) {
		    v = scan_oct(s, 1, &numlen);
		    if (numlen == 0)
			v = 1;
		    s += numlen;
		}
		switch (v) {
		  case 0:
		    ruby_verbose = Qnil;
		    break;
		  case 1:
		    ruby_verbose = Qfalse;
		    break;
		  default:
		    ruby_verbose = Qtrue;
		    break;
		}
	    }
	    goto reswitch;

	  case 'c':
	    if (envopt) goto noenvopt;
	    opt->do_check = Qtrue;
	    s++;
	    goto reswitch;

	  case 's':
	    if (envopt) goto noenvopt;
	    forbid_setid("-s");
	    opt->sflag = 1;
	    s++;
	    goto reswitch;

	  case 'h':
	    if (envopt) goto noenvopt;
	    usage(origarg.argv[0]);
	    rb_exit(EXIT_SUCCESS);
	    break;

	  case 'l':
	    if (envopt) goto noenvopt;
	    opt->do_line = Qtrue;
	    rb_output_rs = rb_rs;
	    s++;
	    goto reswitch;

	  case 'S':
	    if (envopt) goto noenvopt;
	    forbid_setid("-S");
	    opt->do_search = Qtrue;
	    s++;
	    goto reswitch;

	  case 'e':
	    if (envopt) goto noenvopt;
	    forbid_setid("-e");
	    if (!*++s) {
		s = argv[1];
		argc--, argv++;
	    }
	    if (!s) {
		rb_raise(rb_eRuntimeError, "no code specified for -e");
	    }
	    if (!opt->e_script) {
		opt->e_script = rb_str_new(0, 0);
		if (opt->script == 0)
		    opt->script = "-e";
	    }
	    rb_str_cat2(opt->e_script, s);
	    rb_str_cat2(opt->e_script, "\n");
	    break;

	  case 'r':
	    forbid_setid("-r");
	    if (*++s) {
		add_modules(opt, s);
	    }
	    else if (argv[1]) {
		add_modules(opt, argv[1]);
		argc--, argv++;
	    }
	    break;

	  case 'i':
	    if (envopt) goto noenvopt;
	    forbid_setid("-i");
	    ruby_set_inplace_mode(s + 1);
	    break;

	  case 'x':
	    if (envopt) goto noenvopt;
	    opt->xflag = Qtrue;
	    s++;
	    if (*s && chdir(s) < 0) {
		rb_fatal("Can't chdir to %s", s);
	    }
	    break;

	  case 'C':
	  case 'X':
	    if (envopt) goto noenvopt;
	    s++;
	    if (!*s) {
		s = argv[1];
		argc--, argv++;
	    }
	    if (!s || !*s) {
		rb_fatal("Can't chdir");
	    }
	    if (chdir(s) < 0) {
		rb_fatal("Can't chdir to %s", s);
	    }
	    break;

	  case 'F':
	    if (envopt) goto noenvopt;
	    if (*++s) {
		rb_fs = rb_reg_new(s, strlen(s), 0);
	    }
	    break;

	  case 'E':
	    if (!*++s && (!--argc || !(s = *++argv))) {
		rb_raise(rb_eRuntimeError, "missing argument for -E");
	    }
	    goto encoding;

	  case 'U':
	    set_internal_encoding_once(opt, "UTF-8", 0);
	    ++s;
	    goto reswitch;

	  case 'K':
	    if (*++s) {
		const char *enc_name = 0;
		switch (*s) {
		  case 'E': case 'e':
		    enc_name = "EUC-JP";
		    break;
		  case 'S': case 's':
		    enc_name = "Windows-31J";
		    break;
		  case 'U': case 'u':
		    enc_name = "UTF-8";
		    break;
		  case 'N': case 'n': case 'A': case 'a':
		    enc_name = "ASCII-8BIT";
		    break;
		}
		if (enc_name) {
		    opt->src.enc.name = rb_str_new2(enc_name);
		    if (!opt->ext.enc.name)
			opt->ext.enc.name = opt->src.enc.name;
		}
		s++;
	    }
	    goto reswitch;

	  case 'T':
	    {
		int numlen;
		int v = 1;

		if (*++s) {
		    v = scan_oct(s, 2, &numlen);
		    if (numlen == 0)
			v = 1;
		    s += numlen;
		}
		if (v > opt->safe_level) opt->safe_level = v;
	    }
	    goto reswitch;

	  case 'I':
	    forbid_setid("-I");
	    if (*++s)
		ruby_incpush_expand(s);
	    else if (argv[1]) {
		ruby_incpush_expand(argv[1]);
		argc--, argv++;
	    }
	    break;

	  case '0':
	    if (envopt) goto noenvopt;
	    {
		int numlen;
		int v;
		char c;

		v = scan_oct(s, 4, &numlen);
		s += numlen;
		if (v > 0377)
		    rb_rs = Qnil;
		else if (v == 0 && numlen >= 2) {
		    rb_rs = rb_str_new2("\n\n");
		}
		else {
		    c = v & 0xff;
		    rb_rs = rb_str_new(&c, 1);
		}
	    }
	    goto reswitch;

	  case '-':
	    if (!s[1] || (s[1] == '\r' && !s[2])) {
		argc--, argv++;
		goto switch_end;
	    }
	    s++;

#	define is_option_end(c, allow_hyphen) \
	    (!(c) || (allow_hyphen && (c) == '-') || (c) == '=')
#	define check_envopt(name, allow_envopt) \
	    ((allow_envopt || !envopt) ? (void)0 : \
	     rb_raise(rb_eRuntimeError, "invalid switch in RUBYOPT: --" name))
#	define need_argument(name, s) \
	    ((*s++ ? !*s : (!--argc || !(s = *++argv))) ?		\
	     rb_raise(rb_eRuntimeError, "missing argument for --" name) \
	     : (void)0)
#	define is_option_with_arg(name, allow_hyphen, allow_envopt) \
	    (strncmp(name, s, n = sizeof(name) - 1) == 0 && is_option_end(s[n], allow_hyphen) ? \
	     (check_envopt(name, allow_envopt), s += n, need_argument(name, s), 1) : 0)

	    if (strcmp("copyright", s) == 0) {
		if (envopt) goto noenvopt_long;
		opt->copyright = 1;
	    }
	    else if (strcmp("debug", s) == 0) {
		ruby_debug = Qtrue;
                ruby_verbose = Qtrue;
            }
	    else if (is_option_with_arg("enable", Qtrue, Qtrue)) {
		ruby_each_words(s, enable_option, &opt->disable);
	    }
	    else if (is_option_with_arg("disable", Qtrue, Qtrue)) {
		ruby_each_words(s, disable_option, &opt->disable);
	    }
	    else if (is_option_with_arg("encoding", Qfalse, Qtrue)) {
		char *p;
	      encoding:
		do {
#	define set_encoding_part(type) \
		    if (!(p = strchr(s, ':'))) { \
			set_##type##_encoding_once(opt, s, 0); \
			break; \
		    } \
		    else if (p > s) { \
			set_##type##_encoding_once(opt, s, p-s); \
		    }
		    set_encoding_part(external);
		    if (!*(s = ++p)) break;
		    set_encoding_part(internal);
		    if (!*(s = ++p)) break;
		    rb_raise(rb_eRuntimeError, "extra argument for %s: %s",
			     (arg[1] == '-' ? "--encoding" : "-E"), s);
#	undef set_encoding_part
		} while (0);
	    }
	    else if (is_option_with_arg("internal-encoding", Qfalse, Qtrue)) {
		set_internal_encoding_once(opt, s, 0);
	    }
	    else if (is_option_with_arg("external-encoding", Qfalse, Qtrue)) {
		set_external_encoding_once(opt, s, 0);
	    }
	    else if (strcmp("version", s) == 0) {
		if (envopt) goto noenvopt_long;
		opt->version = 1;
	    }
	    else if (strcmp("verbose", s) == 0) {
		opt->verbose = 1;
		ruby_verbose = Qtrue;
	    }
	    else if (strcmp("yydebug", s) == 0) {
		if (envopt) goto noenvopt_long;
		opt->yydebug = 1;
	    }
	    else if (is_option_with_arg("dump", Qfalse, Qfalse)) {
		ruby_each_words(s, dump_option, &opt->dump);
	    }
	    else if (strcmp("help", s) == 0) {
		if (envopt) goto noenvopt_long;
		usage(origarg.argv[0]);
		rb_exit(EXIT_SUCCESS);
	    }
	    else {
		rb_raise(rb_eRuntimeError,
			 "invalid option --%s  (-h will show valid options)", s);
	    }
	    break;

	  case '\r':
	    if (!s[1])
		break;

	  default:
	    {
		if (ISPRINT(*s)) {
                    rb_raise(rb_eRuntimeError,
			"invalid option -%c  (-h will show valid options)",
                        (int)(unsigned char)*s);
		}
		else {
                    rb_raise(rb_eRuntimeError,
			"invalid option -\\x%02X  (-h will show valid options)",
                        (int)(unsigned char)*s);
		}
	    }
	    goto switch_end;

	  noenvopt:
	    /* "EIdvwWrKU" only */
	    rb_raise(rb_eRuntimeError, "invalid switch in RUBYOPT: -%c", *s);
	    break;

	  noenvopt_long:
	    rb_raise(rb_eRuntimeError, "invalid switch in RUBYOPT: --%s", s);
	    break;

	  case 0:
	    break;
#	undef is_option_end
#	undef check_envopt
#	undef need_argument
#	undef is_option_with_arg
	}
    }

  switch_end:
    return argc0 - argc;
}
コード例 #2
0
ファイル: showdb.c プロジェクト: 1018824313/sqlite
/*
** Write a full decode on stdout for the cell at a[ofst].
** Assume the page contains a header of size szPgHdr bytes.
*/
static void decodeCell(
  unsigned char *a,       /* Page content (without the page-1 header) */
  unsigned pgno,          /* Page number */
  int iCell,              /* Cell index */
  int szPgHdr,            /* Size of the page header.  0 or 100 */
  int ofst                /* Cell begins at a[ofst] */
){
  int i, j = 0;
  int leftChild;
  i64 k;
  i64 nPayload;
  i64 rowid;
  i64 nHdr;
  i64 iType;
  i64 nLocal;
  unsigned char *x = a + ofst;
  unsigned char *end;
  unsigned char cType = a[0];
  int nCol = 0;
  int szCol[2000];
  int ofstCol[2000];
  int typeCol[2000];

  printf("Cell[%d]:\n", iCell);
  if( cType<=5 ){
    leftChild = ((x[0]*256 + x[1])*256 + x[2])*256 + x[3];
    printBytes(a, x, 4);
    printf("left child page:: %d\n", leftChild);
    x += 4;
  }
  if( cType!=5 ){
    i = decodeVarint(x, &nPayload);
    printBytes(a, x, i);
    nLocal = localPayload(nPayload, cType);
    if( nLocal==nPayload ){
      printf("payload-size: %lld\n", nPayload);
    }else{
      printf("payload-size: %lld (%lld local, %lld overflow)\n",
             nPayload, nLocal, nPayload-nLocal);
    }
    x += i;
  }else{
    nPayload = nLocal = 0;
  }
  end = x + nLocal;
  if( cType==5 || cType==13 ){
    i = decodeVarint(x, &rowid);
    printBytes(a, x, i);
    printf("rowid: %lld\n", rowid);
    x += i;
  }
  if( nLocal>0 ){
    i = decodeVarint(x, &nHdr);
    printBytes(a, x, i);
    printf("record-header-size: %d\n", (int)nHdr);
    j = i;
    nCol = 0;
    k = nHdr;
    while( x+j<end && j<nHdr ){
       const char *zTypeName;
       int sz = 0;
       char zNm[30];
       i = decodeVarint(x+j, &iType);
       printBytes(a, x+j, i);
       printf("typecode[%d]: %d - ", nCol, (int)iType);
       switch( iType ){
         case 0:  zTypeName = "NULL";    sz = 0;  break;
         case 1:  zTypeName = "int8";    sz = 1;  break;
         case 2:  zTypeName = "int16";   sz = 2;  break;
         case 3:  zTypeName = "int24";   sz = 3;  break;
         case 4:  zTypeName = "int32";   sz = 4;  break;
         case 5:  zTypeName = "int48";   sz = 6;  break;
         case 6:  zTypeName = "int64";   sz = 8;  break;
         case 7:  zTypeName = "double";  sz = 8;  break;
         case 8:  zTypeName = "zero";    sz = 0;  break;
         case 9:  zTypeName = "one";     sz = 0;  break;
         case 10:
         case 11: zTypeName = "error";   sz = 0;  break;
         default: {
           sz = (int)(iType-12)/2;
           sprintf(zNm, (iType&1)==0 ? "blob(%d)" : "text(%d)", sz);
           zTypeName = zNm;
           break;
         }
       }
       printf("%s\n", zTypeName);
       szCol[nCol] = sz;
       ofstCol[nCol] = (int)k;
       typeCol[nCol] = (int)iType;
       k += sz;
       nCol++;
       j += i;
    }
    for(i=0; i<nCol && ofstCol[i]+szCol[i]<=nLocal; i++){
       int s = ofstCol[i];
       i64 v;
       const unsigned char *pData;
       if( szCol[i]==0 ) continue;
       printBytes(a, x+s, szCol[i]);
       printf("data[%d]: ", i);
       pData = x+s;
       if( typeCol[i]<=7 ){
         v = (signed char)pData[0];
         for(k=1; k<szCol[i]; k++){
           v = (v<<8) + pData[k];
         }
         if( typeCol[i]==7 ){
           double r;
           memcpy(&r, &v, sizeof(r));
           printf("%#g\n", r);
         }else{
           printf("%lld\n", v);
         }
       }else{
         int ii, jj;
         char zConst[32];
         if( (typeCol[i]&1)==0 ){
           zConst[0] = 'x';
           zConst[1] = '\'';
           for(ii=2, jj=0; jj<szCol[i] && ii<24; jj++, ii+=2){
             sprintf(zConst+ii, "%02x", pData[jj]);
           }
         }else{
           zConst[0] = '\'';
           for(ii=1, jj=0; jj<szCol[i] && ii<24; jj++, ii++){
             zConst[ii] = ISPRINT(pData[jj]) ? pData[jj] : '.';
           }
           zConst[ii] = 0;
         }
         if( jj<szCol[i] ){
           memcpy(zConst+ii, "...'", 5);
         }else{
           memcpy(zConst+ii, "'", 2);
         }
         printf("%s\n", zConst);
       }
       j = ofstCol[i] + szCol[i];
    }
  }
  if( j<nLocal ){
    printBytes(a, x+j, 0);
    printf("... %lld bytes of content ...\n", nLocal-j);
  }
  if( nLocal<nPayload ){
    printBytes(a, x+nLocal, 4);
    printf("overflow-page: %d\n", decodeInt32(x+nLocal));
  }
}
コード例 #3
0
ファイル: openldap.c プロジェクト: 1833183060/wke
static ssize_t ldap_recv(struct connectdata *conn, int sockindex, char *buf,
                         size_t len, CURLcode *err)
{
  ldapconninfo *li = conn->proto.generic;
  struct SessionHandle *data=conn->data;
  ldapreqinfo *lr = data->state.proto.generic;
  int rc, ret;
  LDAPMessage *result = NULL;
  LDAPMessage *ent;
  BerElement *ber = NULL;
  struct timeval tv = {0,1};
  (void)len;
  (void)buf;
  (void)sockindex;

  rc = ldap_result(li->ld, lr->msgid, LDAP_MSG_RECEIVED, &tv, &result);
  if (rc < 0) {
    failf(data, "LDAP local: search ldap_result %s", ldap_err2string(rc));
    *err = CURLE_RECV_ERROR;
    return -1;
  }

  *err = CURLE_AGAIN;
  ret = -1;

  /* timed out */
  if (result == NULL)
    return ret;

  for (ent = ldap_first_message(li->ld, result); ent;
    ent = ldap_next_message(li->ld, ent)) {
    struct berval bv, *bvals, **bvp = &bvals;
    int binary = 0, msgtype;

    msgtype = ldap_msgtype(ent);
    if (msgtype == LDAP_RES_SEARCH_RESULT) {
      int code;
      char *info = NULL;
      rc = ldap_parse_result(li->ld, ent, &code, NULL, &info, NULL, NULL, 0);
      if (rc) {
        failf(data, "LDAP local: search ldap_parse_result %s", ldap_err2string(rc));
        *err = CURLE_LDAP_SEARCH_FAILED;
      } else if (code && code != LDAP_SIZELIMIT_EXCEEDED) {
        failf(data, "LDAP remote: search failed %s %s", ldap_err2string(rc),
          info ? info : "");
        *err = CURLE_LDAP_SEARCH_FAILED;
      } else {
        /* successful */
        if (code == LDAP_SIZELIMIT_EXCEEDED)
          infof(data, "There are more than %d entries\n", lr->nument);
        data->req.size = data->req.bytecount;
        *err = CURLE_OK;
        ret = 0;
      }
      lr->msgid = 0;
      ldap_memfree(info);
      break;
    } else if (msgtype != LDAP_RES_SEARCH_ENTRY) {
      continue;
    }

    lr->nument++;
    rc = ldap_get_dn_ber(li->ld, ent, &ber, &bv);
    Curl_client_write(conn, CLIENTWRITE_BODY, (char *)"DN: ", 4);
    Curl_client_write(conn, CLIENTWRITE_BODY, (char *)bv.bv_val, bv.bv_len);
    Curl_client_write(conn, CLIENTWRITE_BODY, (char *)"\n", 1);
    data->req.bytecount += bv.bv_len + 5;

    for (rc = ldap_get_attribute_ber(li->ld, ent, ber, &bv, bvp);
      rc == LDAP_SUCCESS;
      rc = ldap_get_attribute_ber(li->ld, ent, ber, &bv, bvp)) {
      int i;

      if (bv.bv_val == NULL) break;

      if (bv.bv_len > 7 && !strncmp(bv.bv_val + bv.bv_len - 7, ";binary", 7))
        binary = 1;
      else
        binary = 0;

      for (i=0; bvals[i].bv_val != NULL; i++) {
        int binval = 0;
        Curl_client_write(conn, CLIENTWRITE_BODY, (char *)"\t", 1);
        Curl_client_write(conn, CLIENTWRITE_BODY, (char *)bv.bv_val, bv.bv_len);
        Curl_client_write(conn, CLIENTWRITE_BODY, (char *)":", 1);
        data->req.bytecount += bv.bv_len + 2;

        if (!binary) {
          /* check for leading or trailing whitespace */
          if (ISSPACE(bvals[i].bv_val[0]) ||
              ISSPACE(bvals[i].bv_val[bvals[i].bv_len-1])) {
            binval = 1;
          } else {
            /* check for unprintable characters */
            unsigned int j;
            for (j=0; j<bvals[i].bv_len; j++)
              if (!ISPRINT(bvals[i].bv_val[j])) {
                binval = 1;
                break;
              }
          }
        }
        if (binary || binval) {
          char *val_b64;
          /* Binary value, encode to base64. */
          size_t val_b64_sz = Curl_base64_encode(data,
                                            bvals[i].bv_val,
                                            bvals[i].bv_len,
                                            &val_b64);
          Curl_client_write(conn, CLIENTWRITE_BODY, (char *)": ", 2);
          data->req.bytecount += 2;
          if(val_b64_sz > 0) {
            Curl_client_write(conn, CLIENTWRITE_BODY, val_b64, val_b64_sz);
            free(val_b64);
            data->req.bytecount += val_b64_sz;
          }
        } else {
          Curl_client_write(conn, CLIENTWRITE_BODY, (char *)" ", 1);
          Curl_client_write(conn, CLIENTWRITE_BODY, bvals[i].bv_val,
                            bvals[i].bv_len);
          data->req.bytecount += bvals[i].bv_len + 1;
        }
        Curl_client_write(conn, CLIENTWRITE_BODY, (char *)"\n", 0);
        data->req.bytecount++;
      }
      ber_memfree(bvals);
      Curl_client_write(conn, CLIENTWRITE_BODY, (char *)"\n", 0);
      data->req.bytecount++;
    }
    Curl_client_write(conn, CLIENTWRITE_BODY, (char *)"\n", 0);
    data->req.bytecount++;
    ber_free(ber, 0);
  }
  ldap_msgfree(result);
  return ret;
}
コード例 #4
0
ファイル: fnmatch_loop.c プロジェクト: gokzy/netbsd-src
static int
internal_function
FCT (const CHAR *pattern, const CHAR *string, const CHAR *string_end,
     bool no_leading_period, int flags)
{
  register const CHAR *p = pattern, *n = string;
  register UCHAR c;
#ifdef _LIBC
# if WIDE_CHAR_VERSION
  const char *collseq = (const char *)
    _NL_CURRENT(LC_COLLATE, _NL_COLLATE_COLLSEQWC);
# else
  const UCHAR *collseq = (const UCHAR *)
    _NL_CURRENT(LC_COLLATE, _NL_COLLATE_COLLSEQMB);
# endif
#endif

  while ((c = *p++) != L('\0'))
    {
      bool new_no_leading_period = false;
      c = FOLD (c);

      switch (c)
	{
	case L('?'):
	  if (__builtin_expect (flags & FNM_EXTMATCH, 0) && *p == '(')
	    {
	      int res;

	      res = EXT (c, p, n, string_end, no_leading_period,
			 flags);
	      if (res != -1)
		return res;
	    }

	  if (n == string_end)
	    return FNM_NOMATCH;
	  else if (*n == L('/') && (flags & FNM_FILE_NAME))
	    return FNM_NOMATCH;
	  else if (*n == L('.') && no_leading_period)
	    return FNM_NOMATCH;
	  break;

	case L('\\'):
	  if (!(flags & FNM_NOESCAPE))
	    {
	      c = *p++;
	      if (c == L('\0'))
		/* Trailing \ loses.  */
		return FNM_NOMATCH;
	      c = FOLD (c);
	    }
	  if (n == string_end || FOLD ((UCHAR) *n) != c)
	    return FNM_NOMATCH;
	  break;

	case L('*'):
	  if (__builtin_expect (flags & FNM_EXTMATCH, 0) && *p == '(')
	    {
	      int res;

	      res = EXT (c, p, n, string_end, no_leading_period,
			 flags);
	      if (res != -1)
		return res;
	    }

	  if (n != string_end && *n == L('.') && no_leading_period)
	    return FNM_NOMATCH;

	  for (c = *p++; c == L('?') || c == L('*'); c = *p++)
	    {
	      if (*p == L('(') && (flags & FNM_EXTMATCH) != 0)
		{
		  const CHAR *endp = END (p);
		  if (endp != p)
		    {
		      /* This is a pattern.  Skip over it.  */
		      p = endp;
		      continue;
		    }
		}

	      if (c == L('?'))
		{
		  /* A ? needs to match one character.  */
		  if (n == string_end)
		    /* There isn't another character; no match.  */
		    return FNM_NOMATCH;
		  else if (*n == L('/')
			   && __builtin_expect (flags & FNM_FILE_NAME, 0))
		    /* A slash does not match a wildcard under
		       FNM_FILE_NAME.  */
		    return FNM_NOMATCH;
		  else
		    /* One character of the string is consumed in matching
		       this ? wildcard, so *??? won't match if there are
		       less than three characters.  */
		    ++n;
		}
	    }

	  if (c == L('\0'))
	    /* The wildcard(s) is/are the last element of the pattern.
	       If the name is a file name and contains another slash
	       this means it cannot match, unless the FNM_LEADING_DIR
	       flag is set.  */
	    {
	      int result = (flags & FNM_FILE_NAME) == 0 ? 0 : FNM_NOMATCH;

	      if (flags & FNM_FILE_NAME)
		{
		  if (flags & FNM_LEADING_DIR)
		    result = 0;
		  else
		    {
		      if (MEMCHR (n, L('/'), string_end - n) == NULL)
			result = 0;
		    }
		}

	      return result;
	    }
	  else
	    {
	      const CHAR *endp;

	      endp = MEMCHR (n, (flags & FNM_FILE_NAME) ? L('/') : L('\0'),
			     string_end - n);
	      if (endp == NULL)
		endp = string_end;

	      if (c == L('[')
		  || (__builtin_expect (flags & FNM_EXTMATCH, 0) != 0
		      && (c == L('@') || c == L('+') || c == L('!'))
		      && *p == L('(')))
		{
		  int flags2 = ((flags & FNM_FILE_NAME)
				? flags : (flags & ~FNM_PERIOD));
		  bool no_leading_period2 = no_leading_period;

		  for (--p; n < endp; ++n, no_leading_period2 = false)
		    if (FCT (p, n, string_end, no_leading_period2, flags2)
			== 0)
		      return 0;
		}
	      else if (c == L('/') && (flags & FNM_FILE_NAME))
		{
		  while (n < string_end && *n != L('/'))
		    ++n;
		  if (n < string_end && *n == L('/')
		      && (FCT (p, n + 1, string_end, flags & FNM_PERIOD, flags)
			  == 0))
		    return 0;
		}
	      else
		{
		  int flags2 = ((flags & FNM_FILE_NAME)
				? flags : (flags & ~FNM_PERIOD));
		  int no_leading_period2 = no_leading_period;

		  if (c == L('\\') && !(flags & FNM_NOESCAPE))
		    c = *p;
		  c = FOLD (c);
		  for (--p; n < endp; ++n, no_leading_period2 = false)
		    if (FOLD ((UCHAR) *n) == c
			&& (FCT (p, n, string_end, no_leading_period2, flags2)
			    == 0))
		      return 0;
		}
	    }

	  /* If we come here no match is possible with the wildcard.  */
	  return FNM_NOMATCH;

	case L('['):
	  {
	    /* Nonzero if the sense of the character class is inverted.  */
	    register bool not;
	    CHAR cold;
	    UCHAR fn;

	    if (posixly_correct == 0)
	      posixly_correct = getenv ("POSIXLY_CORRECT") != NULL ? 1 : -1;

	    if (n == string_end)
	      return FNM_NOMATCH;

	    if (*n == L('.') && no_leading_period)
	      return FNM_NOMATCH;

	    if (*n == L('/') && (flags & FNM_FILE_NAME))
	      /* `/' cannot be matched.  */
	      return FNM_NOMATCH;

	    not = (*p == L('!') || (posixly_correct < 0 && *p == L('^')));
	    if (not)
	      ++p;

	    fn = FOLD ((UCHAR) *n);

	    c = *p++;
	    for (;;)
	      {
		if (!(flags & FNM_NOESCAPE) && c == L('\\'))
		  {
		    if (*p == L('\0'))
		      return FNM_NOMATCH;
		    c = FOLD ((UCHAR) *p);
		    ++p;

		    if (c == fn)
		      goto matched;
		  }
		else if (c == L('[') && *p == L(':'))
		  {
		    /* Leave room for the null.  */
		    CHAR str[CHAR_CLASS_MAX_LENGTH + 1];
		    size_t c1 = 0;
#if defined _LIBC || WIDE_CHAR_SUPPORT
		    wctype_t wt;
#endif
		    const CHAR *startp = p;

		    for (;;)
		      {
			if (c1 == CHAR_CLASS_MAX_LENGTH)
			  /* The name is too long and therefore the pattern
			     is ill-formed.  */
			  return FNM_NOMATCH;

			c = *++p;
			if (c == L(':') && p[1] == L(']'))
			  {
			    p += 2;
			    break;
			  }
			if (c < L('a') || c >= L('z'))
			  {
			    /* This cannot possibly be a character class name.
			       Match it as a normal range.  */
			    p = startp;
			    c = L('[');
			    goto normal_bracket;
			  }
			str[c1++] = c;
		      }
		    str[c1] = L('\0');

#if defined _LIBC || WIDE_CHAR_SUPPORT
		    wt = IS_CHAR_CLASS (str);
		    if (wt == 0)
		      /* Invalid character class name.  */
		      return FNM_NOMATCH;

# if defined _LIBC && ! WIDE_CHAR_VERSION
		    /* The following code is glibc specific but does
		       there a good job in speeding up the code since
		       we can avoid the btowc() call.  */
		    if (_ISCTYPE ((UCHAR) *n, wt))
		      goto matched;
# else
		    if (ISWCTYPE (BTOWC ((UCHAR) *n), wt))
		      goto matched;
# endif
#else
		    if ((STREQ (str, L("alnum")) && ISALNUM ((UCHAR) *n))
			|| (STREQ (str, L("alpha")) && ISALPHA ((UCHAR) *n))
			|| (STREQ (str, L("blank")) && ISBLANK ((UCHAR) *n))
			|| (STREQ (str, L("cntrl")) && ISCNTRL ((UCHAR) *n))
			|| (STREQ (str, L("digit")) && ISDIGIT ((UCHAR) *n))
			|| (STREQ (str, L("graph")) && ISGRAPH ((UCHAR) *n))
			|| (STREQ (str, L("lower")) && ISLOWER ((UCHAR) *n))
			|| (STREQ (str, L("print")) && ISPRINT ((UCHAR) *n))
			|| (STREQ (str, L("punct")) && ISPUNCT ((UCHAR) *n))
			|| (STREQ (str, L("space")) && ISSPACE ((UCHAR) *n))
			|| (STREQ (str, L("upper")) && ISUPPER ((UCHAR) *n))
			|| (STREQ (str, L("xdigit")) && ISXDIGIT ((UCHAR) *n)))
		      goto matched;
#endif
		    c = *p++;
		  }
#ifdef _LIBC
		else if (c == L('[') && *p == L('='))
		  {
		    UCHAR str[1];
		    uint32_t nrules =
		      _NL_CURRENT_WORD (LC_COLLATE, _NL_COLLATE_NRULES);
		    const CHAR *startp = p;

		    c = *++p;
		    if (c == L('\0'))
		      {
			p = startp;
			c = L('[');
			goto normal_bracket;
		      }
		    str[0] = c;

		    c = *++p;
		    if (c != L('=') || p[1] != L(']'))
		      {
			p = startp;
			c = L('[');
			goto normal_bracket;
		      }
		    p += 2;

		    if (nrules == 0)
		      {
			if ((UCHAR) *n == str[0])
			  goto matched;
		      }
		    else
		      {
			const int32_t *table;
# if WIDE_CHAR_VERSION
			const int32_t *weights;
			const int32_t *extra;
# else
			const unsigned char *weights;
			const unsigned char *extra;
# endif
			const int32_t *indirect;
			int32_t idx;
			const UCHAR *cp = (const UCHAR *) str;

			/* This #include defines a local function!  */
# if WIDE_CHAR_VERSION
#  include <locale/weightwc.h>
# else
#  include <locale/weight.h>
# endif

# if WIDE_CHAR_VERSION
			table = (const int32_t *)
			  _NL_CURRENT (LC_COLLATE, _NL_COLLATE_TABLEWC);
			weights = (const int32_t *)
			  _NL_CURRENT (LC_COLLATE, _NL_COLLATE_WEIGHTWC);
			extra = (const int32_t *)
			  _NL_CURRENT (LC_COLLATE, _NL_COLLATE_EXTRAWC);
			indirect = (const int32_t *)
			  _NL_CURRENT (LC_COLLATE, _NL_COLLATE_INDIRECTWC);
# else
			table = (const int32_t *)
			  _NL_CURRENT (LC_COLLATE, _NL_COLLATE_TABLEMB);
			weights = (const unsigned char *)
			  _NL_CURRENT (LC_COLLATE, _NL_COLLATE_WEIGHTMB);
			extra = (const unsigned char *)
			  _NL_CURRENT (LC_COLLATE, _NL_COLLATE_EXTRAMB);
			indirect = (const int32_t *)
			  _NL_CURRENT (LC_COLLATE, _NL_COLLATE_INDIRECTMB);
# endif

			idx = findidx (&cp);
			if (idx != 0)
			  {
			    /* We found a table entry.  Now see whether the
			       character we are currently at has the same
			       equivalance class value.  */
			    int len = weights[idx];
			    int32_t idx2;
			    const UCHAR *np = (const UCHAR *) n;

			    idx2 = findidx (&np);
			    if (idx2 != 0 && len == weights[idx2])
			      {
				int cnt = 0;

				while (cnt < len
				       && (weights[idx + 1 + cnt]
					   == weights[idx2 + 1 + cnt]))
				  ++cnt;

				if (cnt == len)
				  goto matched;
			      }
			  }
		      }

		    c = *p++;
		  }
#endif
		else if (c == L('\0'))
		  /* [ (unterminated) loses.  */
		  return FNM_NOMATCH;
		else
		  {
		    bool is_range = false;

#ifdef _LIBC
		    bool is_seqval = false;

		    if (c == L('[') && *p == L('.'))
		      {
			uint32_t nrules =
			  _NL_CURRENT_WORD (LC_COLLATE, _NL_COLLATE_NRULES);
			const CHAR *startp = p;
			size_t c1 = 0;

			while (1)
			  {
			    c = *++p;
			    if (c == L('.') && p[1] == L(']'))
			      {
				p += 2;
				break;
			      }
			    if (c == '\0')
			      return FNM_NOMATCH;
			    ++c1;
			  }

			/* We have to handling the symbols differently in
			   ranges since then the collation sequence is
			   important.  */
			is_range = *p == L('-') && p[1] != L('\0');

			if (nrules == 0)
			  {
			    /* There are no names defined in the collation
			       data.  Therefore we only accept the trivial
			       names consisting of the character itself.  */
			    if (c1 != 1)
			      return FNM_NOMATCH;

			    if (!is_range && *n == startp[1])
			      goto matched;

			    cold = startp[1];
			    c = *p++;
			  }
			else
			  {
			    int32_t table_size;
			    const int32_t *symb_table;
# ifdef WIDE_CHAR_VERSION
			    char str[c1];
			    size_t strcnt;
# else
#  define str (startp + 1)
# endif
			    const unsigned char *extra;
			    int32_t idx;
			    int32_t elem;
			    int32_t second;
			    int32_t hash;

# ifdef WIDE_CHAR_VERSION
			    /* We have to convert the name to a single-byte
			       string.  This is possible since the names
			       consist of ASCII characters and the internal
			       representation is UCS4.  */
			    for (strcnt = 0; strcnt < c1; ++strcnt)
			      str[strcnt] = startp[1 + strcnt];
# endif

			    table_size =
			      _NL_CURRENT_WORD (LC_COLLATE,
						_NL_COLLATE_SYMB_HASH_SIZEMB);
			    symb_table = (const int32_t *)
			      _NL_CURRENT (LC_COLLATE,
					   _NL_COLLATE_SYMB_TABLEMB);
			    extra = (const unsigned char *)
			      _NL_CURRENT (LC_COLLATE,
					   _NL_COLLATE_SYMB_EXTRAMB);

			    /* Locate the character in the hashing table.  */
			    hash = elem_hash (str, c1);

			    idx = 0;
			    elem = hash % table_size;
			    second = hash % (table_size - 2);
			    while (symb_table[2 * elem] != 0)
			      {
				/* First compare the hashing value.  */
				if (symb_table[2 * elem] == hash
				    && c1 == extra[symb_table[2 * elem + 1]]
				    && memcmp (str,
					       &extra[symb_table[2 * elem + 1]
						     + 1], c1) == 0)
				  {
				    /* Yep, this is the entry.  */
				    idx = symb_table[2 * elem + 1];
				    idx += 1 + extra[idx];
				    break;
				  }

				/* Next entry.  */
				elem += second;
			      }

			    if (symb_table[2 * elem] != 0)
			      {
				/* Compare the byte sequence but only if
				   this is not part of a range.  */
# ifdef WIDE_CHAR_VERSION
				int32_t *wextra;

				idx += 1 + extra[idx];
				/* Adjust for the alignment.  */
				idx = (idx + 3) & ~3;

				wextra = (int32_t *) &extra[idx + 4];
# endif

				if (! is_range)
				  {
# ifdef WIDE_CHAR_VERSION
				    for (c1 = 0;
					 (int32_t) c1 < wextra[idx];
					 ++c1)
				      if (n[c1] != wextra[1 + c1])
					break;

				    if ((int32_t) c1 == wextra[idx])
				      goto matched;
# else
				    for (c1 = 0; c1 < extra[idx]; ++c1)
				      if (n[c1] != extra[1 + c1])
					break;

				    if (c1 == extra[idx])
				      goto matched;
# endif
				  }

				/* Get the collation sequence value.  */
				is_seqval = true;
# ifdef WIDE_CHAR_VERSION
				cold = wextra[1 + wextra[idx]];
# else
				/* Adjust for the alignment.  */
				idx += 1 + extra[idx];
				idx = (idx + 3) & ~4;
				cold = *((int32_t *) &extra[idx]);
# endif

				c = *p++;
			      }
			    else if (c1 == 1)
			      {
				/* No valid character.  Match it as a
				   single byte.  */
				if (!is_range && *n == str[0])
				  goto matched;

				cold = str[0];
				c = *p++;
			      }
			    else
			      return FNM_NOMATCH;
			  }
		      }
		    else
# undef str
#endif
		      {
			c = FOLD (c);
		      normal_bracket:

			/* We have to handling the symbols differently in
			   ranges since then the collation sequence is
			   important.  */
			is_range = (*p == L('-') && p[1] != L('\0')
				    && p[1] != L(']'));

			if (!is_range && c == fn)
			  goto matched;

			cold = c;
			c = *p++;
		      }

		    if (c == L('-') && *p != L(']'))
		      {
#if _LIBC
			/* We have to find the collation sequence
			   value for C.  Collation sequence is nothing
			   we can regularly access.  The sequence
			   value is defined by the order in which the
			   definitions of the collation values for the
			   various characters appear in the source
			   file.  A strange concept, nowhere
			   documented.  */
			uint32_t fcollseq;
			uint32_t lcollseq;
			UCHAR cend = *p++;

# ifdef WIDE_CHAR_VERSION
			/* Search in the `names' array for the characters.  */
			fcollseq = __collseq_table_lookup (collseq, fn);
			if (fcollseq == ~((uint32_t) 0))
			  /* XXX We don't know anything about the character
			     we are supposed to match.  This means we are
			     failing.  */
			  goto range_not_matched;

			if (is_seqval)
			  lcollseq = cold;
			else
			  lcollseq = __collseq_table_lookup (collseq, cold);
# else
			fcollseq = collseq[fn];
			lcollseq = is_seqval ? cold : collseq[(UCHAR) cold];
# endif

			is_seqval = false;
			if (cend == L('[') && *p == L('.'))
			  {
			    uint32_t nrules =
			      _NL_CURRENT_WORD (LC_COLLATE,
						_NL_COLLATE_NRULES);
			    const CHAR *startp = p;
			    size_t c1 = 0;

			    while (1)
			      {
				c = *++p;
				if (c == L('.') && p[1] == L(']'))
				  {
				    p += 2;
				    break;
				  }
				if (c == '\0')
				  return FNM_NOMATCH;
				++c1;
			      }

			    if (nrules == 0)
			      {
				/* There are no names defined in the
				   collation data.  Therefore we only
				   accept the trivial names consisting
				   of the character itself.  */
				if (c1 != 1)
				  return FNM_NOMATCH;

				cend = startp[1];
			      }
			    else
			      {
				int32_t table_size;
				const int32_t *symb_table;
# ifdef WIDE_CHAR_VERSION
				char str[c1];
				size_t strcnt;
# else
#  define str (startp + 1)
# endif
				const unsigned char *extra;
				int32_t idx;
				int32_t elem;
				int32_t second;
				int32_t hash;

# ifdef WIDE_CHAR_VERSION
				/* We have to convert the name to a single-byte
				   string.  This is possible since the names
				   consist of ASCII characters and the internal
				   representation is UCS4.  */
				for (strcnt = 0; strcnt < c1; ++strcnt)
				  str[strcnt] = startp[1 + strcnt];
# endif

				table_size =
				  _NL_CURRENT_WORD (LC_COLLATE,
						    _NL_COLLATE_SYMB_HASH_SIZEMB);
				symb_table = (const int32_t *)
				  _NL_CURRENT (LC_COLLATE,
					       _NL_COLLATE_SYMB_TABLEMB);
				extra = (const unsigned char *)
				  _NL_CURRENT (LC_COLLATE,
					       _NL_COLLATE_SYMB_EXTRAMB);

				/* Locate the character in the hashing
                                   table.  */
				hash = elem_hash (str, c1);

				idx = 0;
				elem = hash % table_size;
				second = hash % (table_size - 2);
				while (symb_table[2 * elem] != 0)
				  {
				/* First compare the hashing value.  */
				    if (symb_table[2 * elem] == hash
					&& (c1
					    == extra[symb_table[2 * elem + 1]])
					&& memcmp (str,
						   &extra[symb_table[2 * elem + 1]
							 + 1], c1) == 0)
				      {
					/* Yep, this is the entry.  */
					idx = symb_table[2 * elem + 1];
					idx += 1 + extra[idx];
					break;
				      }

				    /* Next entry.  */
				    elem += second;
				  }

				if (symb_table[2 * elem] != 0)
				  {
				    /* Compare the byte sequence but only if
				       this is not part of a range.  */
# ifdef WIDE_CHAR_VERSION
				    int32_t *wextra;

				    idx += 1 + extra[idx];
				    /* Adjust for the alignment.  */
				    idx = (idx + 3) & ~4;

				    wextra = (int32_t *) &extra[idx + 4];
# endif
				    /* Get the collation sequence value.  */
				    is_seqval = true;
# ifdef WIDE_CHAR_VERSION
				    cend = wextra[1 + wextra[idx]];
# else
				    /* Adjust for the alignment.  */
				    idx += 1 + extra[idx];
				    idx = (idx + 3) & ~4;
				    cend = *((int32_t *) &extra[idx]);
# endif
				  }
				else if (symb_table[2 * elem] != 0 && c1 == 1)
				  {
				    cend = str[0];
				    c = *p++;
				  }
				else
				  return FNM_NOMATCH;
			      }
# undef str
			  }
			else
			  {
			    if (!(flags & FNM_NOESCAPE) && cend == L('\\'))
			      cend = *p++;
			    if (cend == L('\0'))
			      return FNM_NOMATCH;
			    cend = FOLD (cend);
			  }

			/* XXX It is not entirely clear to me how to handle
			   characters which are not mentioned in the
			   collation specification.  */
			if (
# ifdef WIDE_CHAR_VERSION
			    lcollseq == 0xffffffff ||
# endif
			    lcollseq <= fcollseq)
			  {
			    /* We have to look at the upper bound.  */
			    uint32_t hcollseq;

			    if (is_seqval)
			      hcollseq = cend;
			    else
			      {
# ifdef WIDE_CHAR_VERSION
				hcollseq =
				  __collseq_table_lookup (collseq, cend);
				if (hcollseq == ~((uint32_t) 0))
				  {
				    /* Hum, no information about the upper
				       bound.  The matching succeeds if the
				       lower bound is matched exactly.  */
				    if (lcollseq != fcollseq)
				      goto range_not_matched;

				    goto matched;
				  }
# else
				hcollseq = collseq[cend];
# endif
			      }

			    if (lcollseq <= hcollseq && fcollseq <= hcollseq)
			      goto matched;
			  }
# ifdef WIDE_CHAR_VERSION
		      range_not_matched:
# endif
#else
			/* We use a boring value comparison of the character
			   values.  This is better than comparing using
			   `strcoll' since the latter would have surprising
			   and sometimes fatal consequences.  */
			UCHAR cend = *p++;

			if (!(flags & FNM_NOESCAPE) && cend == L('\\'))
			  cend = *p++;
			if (cend == L('\0'))
			  return FNM_NOMATCH;

			/* It is a range.  */
			if (cold <= fn && fn <= cend)
			  goto matched;
#endif

			c = *p++;
		      }
		  }

		if (c == L(']'))
		  break;
	      }

	    if (!not)
	      return FNM_NOMATCH;
	    break;

	  matched:
	    /* Skip the rest of the [...] that already matched.  */
	    do
	      {
	      ignore_next:
		c = *p++;

		if (c == L('\0'))
		  /* [... (unterminated) loses.  */
		  return FNM_NOMATCH;

		if (!(flags & FNM_NOESCAPE) && c == L('\\'))
		  {
		    if (*p == L('\0'))
		      return FNM_NOMATCH;
		    /* XXX 1003.2d11 is unclear if this is right.  */
		    ++p;
		  }
		else if (c == L('[') && *p == L(':'))
		  {
		    int c1 = 0;
		    const CHAR *startp = p;

		    while (1)
		      {
			c = *++p;
			if (++c1 == CHAR_CLASS_MAX_LENGTH)
			  return FNM_NOMATCH;

			if (*p == L(':') && p[1] == L(']'))
			  break;

			if (c < L('a') || c >= L('z'))
			  {
			    p = startp;
			    goto ignore_next;
			  }
		      }
		    p += 2;
		    c = *p++;
		  }
		else if (c == L('[') && *p == L('='))
		  {
		    c = *++p;
		    if (c == L('\0'))
		      return FNM_NOMATCH;
		    c = *++p;
		    if (c != L('=') || p[1] != L(']'))
		      return FNM_NOMATCH;
		    p += 2;
		    c = *p++;
		  }
		else if (c == L('[') && *p == L('.'))
		  {
		    ++p;
		    while (1)
		      {
			c = *++p;
			if (c == '\0')
			  return FNM_NOMATCH;

			if (*p == L('.') && p[1] == L(']'))
			  break;
		      }
		    p += 2;
		    c = *p++;
		  }
	      }
	    while (c != L(']'));
	    if (not)
	      return FNM_NOMATCH;
	  }
	  break;

	case L('+'):
	case L('@'):
	case L('!'):
	  if (__builtin_expect (flags & FNM_EXTMATCH, 0) && *p == '(')
	    {
	      int res;

	      res = EXT (c, p, n, string_end, no_leading_period, flags);
	      if (res != -1)
		return res;
	    }
	  goto normal_match;

	case L('/'):
	  if (NO_LEADING_PERIOD (flags))
	    {
	      if (n == string_end || c != (UCHAR) *n)
		return FNM_NOMATCH;

	      new_no_leading_period = true;
	      break;
	    }
	  /* FALLTHROUGH */
	default:
	normal_match:
	  if (n == string_end || c != FOLD ((UCHAR) *n))
	    return FNM_NOMATCH;
	}

      no_leading_period = new_no_leading_period;
      ++n;
    }

  if (n == string_end)
    return 0;

  if ((flags & FNM_LEADING_DIR) && n != string_end && *n == L('/'))
    /* The FNM_LEADING_DIR flag says that "foo*" matches "foobar/frobozz".  */
    return 0;

  return FNM_NOMATCH;
}
コード例 #5
0
ファイル: key.c プロジェクト: ChaosJohn/freebsd
/*
 * v_key_name --
 *	Return the string that will display the key.  This routine
 *	is the backup for the KEY_NAME() macro.
 *
 * PUBLIC: char *v_key_name __P((SCR *, ARG_CHAR_T));
 */
char *
v_key_name(
	SCR *sp,
	ARG_CHAR_T ach)
{
	static const char hexdigit[] = "0123456789abcdef";
	static const char octdigit[] = "01234567";
	int ch;
	size_t len;
	char *chp;

	/*
	 * Cache the last checked character.  It won't be a problem
	 * since nvi will rescan the mapping when settings changed.
	 */
	if (ach && sp->lastc == ach)
		return (sp->cname);
	sp->lastc = ach;

#ifdef USE_WIDECHAR
	len = wctomb(sp->cname, ach);
	if (len > MB_CUR_MAX)
#endif
		sp->cname[(len = 1)-1] = (u_char)ach;

	ch = (u_char)sp->cname[0];
	sp->cname[len] = '\0';

	/* See if the character was explicitly declared printable or not. */
	if ((chp = O_STR(sp, O_PRINT)) != NULL)
		if (strstr(chp, sp->cname) != NULL)
			goto done;
	if ((chp = O_STR(sp, O_NOPRINT)) != NULL)
		if (strstr(chp, sp->cname) != NULL)
			goto nopr;

	/*
	 * Historical (ARPA standard) mappings.  Printable characters are left
	 * alone.  Control characters less than 0x20 are represented as '^'
	 * followed by the character offset from the '@' character in the ASCII
	 * character set.  Del (0x7f) is represented as '^' followed by '?'.
	 *
	 * XXX
	 * The following code depends on the current locale being identical to
	 * the ASCII map from 0x40 to 0x5f (since 0x1f + 0x40 == 0x5f).  I'm
	 * told that this is a reasonable assumption...
	 *
	 * XXX
	 * The code prints non-printable wide characters in 4 or 5 digits
	 * Unicode escape sequences, so only supports plane 0 to 15.
	 */
	if (ISPRINT(ach))
		goto done;
nopr:	if (iscntrl(ch) && (ch < 0x20 || ch == 0x7f)) {
		sp->cname[0] = '^';
		sp->cname[1] = ch == 0x7f ? '?' : '@' + ch;
		len = 2;
		goto done;
	}
#ifdef USE_WIDECHAR
	if (INTISWIDE(ach)) {
		int uc = -1;

		if (!strcmp(codeset(), "UTF-8"))
			uc = decode_utf8(sp->cname);
#ifdef USE_ICONV
		else {
			char buf[sizeof(sp->cname)] = "";
			size_t left = sizeof(sp->cname);
			char *in = sp->cname;
			char *out = buf;
			iconv(sp->conv.id[IC_IE_TO_UTF16],
			    (iconv_src_t)&in, &len, &out, &left);
			iconv(sp->conv.id[IC_IE_TO_UTF16],
			    NULL, NULL, NULL, NULL);
			uc = decode_utf16(buf, 1);
		}
#endif
		if (uc >= 0) {
			len = snprintf(sp->cname, sizeof(sp->cname),
			    uc < 0x10000 ? "\\u%04x" : "\\U%05X", uc);
			goto done;
		}
	}
#endif
	if (O_ISSET(sp, O_OCTAL)) {
		sp->cname[0] = '\\';
		sp->cname[1] = octdigit[(ch & 0300) >> 6];
		sp->cname[2] = octdigit[(ch &  070) >> 3];
		sp->cname[3] = octdigit[ ch &   07      ];
	} else {
コード例 #6
0
ファイル: winduni.c プロジェクト: BGmot/playbook-dev-tools
void
ascii_print (FILE *e, const char *s, rc_uint_type length)
{
  while (1)
    {
      char ch;

      if (length == 0)
	return;
      if ((bfd_signed_vma) length > 0)
	--length;

      ch = *s;

      if (ch == 0 && (bfd_signed_vma) length < 0)
	return;

      ++s;

      if ((ch & 0x7f) == ch)
	{
	  if (ch == '\\')
	    fputs ("\\\\", e);
	  else if (ch == '"')
	    fputs ("\"\"", e);
	  else if (ISPRINT (ch))
	    putc (ch, e);
	  else
	    {
	      switch (ch)
		{
		case ESCAPE_A:
		  fputs ("\\a", e);
		  break;

		case ESCAPE_B:
		  fputs ("\\b", e);
		  break;

		case ESCAPE_F:
		  fputs ("\\f", e);
		  break;

		case ESCAPE_N:
		  fputs ("\\n", e);
		  break;

		case ESCAPE_R:
		  fputs ("\\r", e);
		  break;

		case ESCAPE_T:
		  fputs ("\\t", e);
		  break;

		case ESCAPE_V:
		  fputs ("\\v", e);
		  break;

		default:
		  fprintf (e, "\\%03o", (unsigned int) ch);
		  break;
		}
	    }
	}
      else
	fprintf (e, "\\%03o", (unsigned int) ch & 0xff);
    }
}
コード例 #7
0
static int
bfd_pef_parse_traceback_table (bfd *abfd,
                               asection *section,
                               unsigned char *buf,
                               size_t len,
                               size_t pos,
                               asymbol *sym,
                               FILE *file)
{
    struct traceback_table table;
    size_t offset;
    const char *s;
    asymbol tmpsymbol;

    if (sym == NULL)
        sym = & tmpsymbol;

    sym->name = NULL;
    sym->value = 0;
    sym->the_bfd = abfd;
    sym->section = section;
    sym->flags = 0;
    sym->udata.i = 0;

    /* memcpy is fine since all fields are unsigned char.  */
    if ((pos + 8) > len)
        return -1;
    memcpy (&table, buf + pos, 8);

    /* Calling code relies on returned symbols having a name and
       correct offset.  */
    if ((table.lang != TB_C) && (table.lang != TB_CPLUSPLUS))
        return -1;

    if (! (table.flags2 & TB_NAME_PRESENT))
        return -1;

    if (! table.flags1 & TB_HAS_TBOFF)
        return -1;

    offset = 8;

    if ((table.flags5 & TB_FLOATPARAMS) || (table.fixedparams))
        offset += 4;

    if (table.flags1 & TB_HAS_TBOFF)
    {
        struct traceback_table_tboff off;

        if ((pos + offset + 4) > len)
            return -1;
        off.tb_offset = bfd_getb32 (buf + pos + offset);
        offset += 4;

        /* Need to subtract 4 because the offset includes the 0x0L
        preceding the table.  */
        if (file != NULL)
            fprintf (file, " [offset = 0x%lx]", off.tb_offset);

        if ((file == NULL) && ((off.tb_offset + 4) > (pos + offset)))
            return -1;

        sym->value = pos - off.tb_offset - 4;
    }

    if (table.flags2 & TB_INT_HNDL)
        offset += 4;

    if (table.flags1 & TB_HAS_CTL)
    {
        struct traceback_table_anchors anchors;

        if ((pos + offset + 4) > len)
            return -1;
        anchors.ctl_info = bfd_getb32 (buf + pos + offset);
        offset += 4;

        if (anchors.ctl_info > 1024)
            return -1;

        offset += anchors.ctl_info * 4;
    }

    if (table.flags2 & TB_NAME_PRESENT)
    {
        struct traceback_table_routine name;
        char *namebuf;

        if ((pos + offset + 2) > len)
            return -1;
        name.name_len = bfd_getb16 (buf + pos + offset);
        offset += 2;

        if (name.name_len > 4096)
            return -1;

        if ((pos + offset + name.name_len) > len)
            return -1;

        namebuf = bfd_alloc (abfd, name.name_len + 1);
        if (namebuf == NULL)
            return -1;

        memcpy (namebuf, buf + pos + offset, name.name_len);
        namebuf[name.name_len] = '\0';

        /* Strip leading period inserted by compiler.  */
        if (namebuf[0] == '.')
            memmove (namebuf, namebuf + 1, name.name_len + 1);

        sym->name = namebuf;

        for (s = sym->name; (*s != '\0'); s++)
            if (! ISPRINT (*s))
                return -1;

        offset += name.name_len;
    }

    if (table.flags2 & TB_USES_ALLOCA)
        offset += 4;

    if (table.flags4 & TB_HAS_VEC_INFO)
        offset += 4;

    if (file != NULL)
        fprintf (file, " [length = 0x%lx]", (long) offset);

    return offset;
}
コード例 #8
0
ファイル: curl_fnmatch.c プロジェクト: celesius/et-engine
static int loop(const unsigned char *pattern, const unsigned char *string)
{
  loop_state state = CURLFNM_LOOP_DEFAULT;
  unsigned char *p = (unsigned char *)pattern;
  unsigned char *s = (unsigned char *)string;
  unsigned char charset[CURLFNM_CHSET_SIZE] = { 0 };
  int rc = 0;

  for(;;) {
    switch(state) {
    case CURLFNM_LOOP_DEFAULT:
      if(*p == '*') {
        while(*(p+1) == '*') /* eliminate multiple stars */
          p++;
        if(*s == '\0' && *(p+1) == '\0')
          return CURL_FNMATCH_MATCH;
        rc = loop(p + 1, s); /* *.txt matches .txt <=> .txt matches .txt */
        if(rc == CURL_FNMATCH_MATCH)
          return CURL_FNMATCH_MATCH;
        if(*s) /* let the star eat up one character */
          s++;
        else
          return CURL_FNMATCH_NOMATCH;
      }
      else if(*p == '?') {
        if(ISPRINT(*s)) {
          s++;
          p++;
        }
        else if(*s == '\0')
          return CURL_FNMATCH_NOMATCH;
        else
          return CURL_FNMATCH_FAIL; /* cannot deal with other character */
      }
      else if(*p == '\0') {
        if(*s == '\0')
          return CURL_FNMATCH_MATCH;
        else
          return CURL_FNMATCH_NOMATCH;
      }
      else if(*p == '\\') {
        state = CURLFNM_LOOP_BACKSLASH;
        p++;
      }
      else if(*p == '[') {
        unsigned char *pp = p+1; /* cannot handle with pointer to register */
        if(setcharset(&pp, charset)) {
          int found = FALSE;
          if(charset[(unsigned int)*s])
            found = TRUE;
          else if(charset[CURLFNM_ALNUM])
            found = ISALNUM(*s);
          else if(charset[CURLFNM_ALPHA])
            found = ISALPHA(*s);
          else if(charset[CURLFNM_DIGIT])
            found = ISDIGIT(*s);
          else if(charset[CURLFNM_XDIGIT])
            found = ISXDIGIT(*s);
          else if(charset[CURLFNM_PRINT])
            found = ISPRINT(*s);
          else if(charset[CURLFNM_SPACE])
            found = ISSPACE(*s);
          else if(charset[CURLFNM_UPPER])
            found = ISUPPER(*s);
          else if(charset[CURLFNM_LOWER])
            found = ISLOWER(*s);
          else if(charset[CURLFNM_BLANK])
            found = ISBLANK(*s);
          else if(charset[CURLFNM_GRAPH])
            found = ISGRAPH(*s);

          if(charset[CURLFNM_NEGATE])
            found = !found;

          if(found) {
            p = pp+1;
            s++;
            memset(charset, 0, CURLFNM_CHSET_SIZE);
          }
          else
            return CURL_FNMATCH_NOMATCH;
        }
        else
          return CURL_FNMATCH_FAIL;
      }
      else {
        if(*p++ != *s++)
          return CURL_FNMATCH_NOMATCH;
      }
      break;
    case CURLFNM_LOOP_BACKSLASH:
      if(ISPRINT(*p)) {
        if(*p++ == *s++)
          state = CURLFNM_LOOP_DEFAULT;
        else
          return CURL_FNMATCH_NOMATCH;
      }
      else
        return CURL_FNMATCH_FAIL;
      break;
    }
  }
}
コード例 #9
0
ファイル: curl_fnmatch.c プロジェクト: celesius/et-engine
/* returns 1 (true) if pattern is OK, 0 if is bad ("p" is pattern pointer) */
static int setcharset(unsigned char **p, unsigned char *charset)
{
  setcharset_state state = CURLFNM_SCHS_DEFAULT;
  unsigned char rangestart = 0;
  unsigned char lastchar   = 0;
  bool something_found = FALSE;
  unsigned char c;
  for(;;) {
    c = **p;
    switch(state) {
    case CURLFNM_SCHS_DEFAULT:
      if(ISALNUM(c)) { /* ASCII value */
        rangestart = c;
        charset[c] = 1;
        (*p)++;
        state = CURLFNM_SCHS_MAYRANGE;
        something_found = TRUE;
      }
      else if(c == ']') {
        if(something_found)
          return SETCHARSET_OK;
        else
          something_found = TRUE;
        state = CURLFNM_SCHS_RIGHTBR;
        charset[c] = 1;
        (*p)++;
      }
      else if(c == '[') {
        char c2 = *((*p)+1);
        if(c2 == ':') { /* there has to be a keyword */
          (*p) += 2;
          if(parsekeyword(p, charset)) {
            state = CURLFNM_SCHS_DEFAULT;
          }
          else
            return SETCHARSET_FAIL;
        }
        else {
          charset[c] = 1;
          (*p)++;
        }
        something_found = TRUE;
      }
      else if(c == '?' || c == '*') {
        something_found = TRUE;
        charset[c] = 1;
        (*p)++;
      }
      else if(c == '^' || c == '!') {
        if(!something_found) {
          if(charset[CURLFNM_NEGATE]) {
            charset[c] = 1;
            something_found = TRUE;
          }
          else
            charset[CURLFNM_NEGATE] = 1; /* negate charset */
        }
        else
          charset[c] = 1;
        (*p)++;
      }
      else if(c == '\\') {
        c = *(++(*p));
        if(ISPRINT((c))) {
          something_found = TRUE;
          state = CURLFNM_SCHS_MAYRANGE;
          charset[c] = 1;
          rangestart = c;
          (*p)++;
        }
        else
          return SETCHARSET_FAIL;
      }
      else if(c == '\0') {
        return SETCHARSET_FAIL;
      }
      else {
        charset[c] = 1;
        (*p)++;
        something_found = TRUE;
      }
      break;
    case CURLFNM_SCHS_MAYRANGE:
      if(c == '-') {
        charset[c] = 1;
        (*p)++;
        lastchar = '-';
        state = CURLFNM_SCHS_MAYRANGE2;
      }
      else if(c == '[') {
        state = CURLFNM_SCHS_DEFAULT;
      }
      else if(ISALNUM(c)) {
        charset[c] = 1;
        (*p)++;
      }
      else if(c == '\\') {
        c = *(++(*p));
        if(ISPRINT(c)) {
          charset[c] = 1;
          (*p)++;
        }
        else
          return SETCHARSET_FAIL;
      }
      else if(c == ']') {
        return SETCHARSET_OK;
      }
      else
        return SETCHARSET_FAIL;
      break;
    case CURLFNM_SCHS_MAYRANGE2:
      if(c == '\\') {
        c = *(++(*p));
        if(!ISPRINT(c))
          return SETCHARSET_FAIL;
      }
      if(c == ']') {
        return SETCHARSET_OK;
      }
      else if(c == '\\') {
        c = *(++(*p));
        if(ISPRINT(c)) {
          charset[c] = 1;
          state = CURLFNM_SCHS_DEFAULT;
          (*p)++;
        }
        else
          return SETCHARSET_FAIL;
      }
      if(c >= rangestart) {
        if((ISLOWER(c) && ISLOWER(rangestart)) ||
           (ISDIGIT(c) && ISDIGIT(rangestart)) ||
           (ISUPPER(c) && ISUPPER(rangestart))) {
          charset[lastchar] = 0;
          rangestart++;
          while(rangestart++ <= c)
            charset[rangestart-1] = 1;
          (*p)++;
          state = CURLFNM_SCHS_DEFAULT;
        }
        else
          return SETCHARSET_FAIL;
      }
      break;
    case CURLFNM_SCHS_RIGHTBR:
      if(c == '[') {
        state = CURLFNM_SCHS_RIGHTBRLEFTBR;
        charset[c] = 1;
        (*p)++;
      }
      else if(c == ']') {
        return SETCHARSET_OK;
      }
      else if(c == '\0') {
        return SETCHARSET_FAIL;
      }
      else if(ISPRINT(c)) {
        charset[c] = 1;
        (*p)++;
        state = CURLFNM_SCHS_DEFAULT;
      }
      else
        /* used 'goto fail' instead of 'return SETCHARSET_FAIL' to avoid a
         * nonsense warning 'statement not reached' at end of the fnc when
         * compiling on Solaris */
        goto fail;
      break;
    case CURLFNM_SCHS_RIGHTBRLEFTBR:
      if(c == ']') {
        return SETCHARSET_OK;
      }
      else {
        state  = CURLFNM_SCHS_DEFAULT;
        charset[c] = 1;
        (*p)++;
      }
      break;
    }
  }
fail:
  return SETCHARSET_FAIL;
}