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/[liboftp]/trunk/ftp_pwd.c

Diff of /trunk/ftp_pwd.c

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revision 20 by hirohitohigashi, Fri Feb 27 11:30:10 2009 UTC revision 50 by hirohitohigashi, Wed Dec 2 15:13:30 2009 UTC
# Line 33  Line 33 
33   *@param        ftp     LIBOFTPへのポインタ。   *@param        ftp     LIBOFTPへのポインタ。
34   *@param        buf     結果代入先バッファ   *@param        buf     結果代入先バッファ
35   *@param        bufsiz  バッファサイズ   *@param        bufsiz  バッファサイズ
36   *@retval       int     マイナス値ならエラー   *@retval       int     エラーコード
37   *@note   *@note
38   */   */
39  int ftp_pwd( LIBOFTP *ftp, char *buf, int bufsiz )  int ftp_pwd( LIBOFTP *ftp, char *buf, int bufsiz )
40  {  {
41      char str1[512] = "PWD\r\n";      char str1[512] = "PWD\r\n";
42      int ret;      int res;
43      char *p1, *p2;      char *p1, *p2;
44    
45        if( ftp->socket < 0 ) return LIBOFTP_ERROR;
46    
47      /*      /*
48       * send PWD command       * send PWD command
49       */       */
50      if( ftp_send_command( ftp, str1 ) < 0 ) {      if( ftp_send_command( ftp, str1 ) < 0 ) {
51          DEBUGPRINT1( "pwd: command sending error. %s\n", str1 );          DEBUGPRINT1( "command sending error. %s\n", str1 );
52          return -1;          return LIBOFTP_ERROR_OS;
53      }      }
54    
55      if( (ret = ftp_receive_response( ftp, str1, sizeof(str1) )) != 257 ) {      /* 257: "PATHNAME" created. */      if( (res = ftp_receive_response( ftp, str1, sizeof(str1) )) != 257 ) {      /* 257: "PATHNAME" created. */
56          DEBUGPRINT1( "pwd: command response error. %d\n", ret );          DEBUGPRINT1( "command response error. %d\n", res );
57          return -2;          strncpy( ftp->error_message, str1, sizeof(ftp->error_message) - 1 );
58            return res < 0? res: LIBOFTP_ERROR_PROTOCOL;
59      }      }
60    
61      /*      /*
# Line 60  int ftp_pwd( LIBOFTP *ftp, char *buf, in Line 63  int ftp_pwd( LIBOFTP *ftp, char *buf, in
63       */       */
64      p1 = strchr( str1, '"' );      p1 = strchr( str1, '"' );
65      if( p1 == NULL ) {      if( p1 == NULL ) {
66          DEBUGPRINT1( "pwd: reply string parse error. %s\n", str1 );          DEBUGPRINT1( "reply string parse error. %s\n", str1 );
67          return -2;          strncpy( ftp->error_message, "reply string parse error.", sizeof( ftp->error_message ) );
68            return LIBOFTP_ERROR_PROTOCOL;
69      }      }
70    
71      p2 = strchr( p1+1, '"' );      p2 = strchr( p1+1, '"' );
72      if( p2 == NULL ) {      if( p2 == NULL ) {
73          DEBUGPRINT1( "pwd: reply string parse error. %s\n", str1 );          DEBUGPRINT1( "reply string parse error. %s\n", str1 );
74          return -2;          strncpy( ftp->error_message, "reply string parse error.", sizeof( ftp->error_message ) );
75            return LIBOFTP_ERROR_PROTOCOL;
76      }      }
77      if( bufsiz < (p2-p1) ) {      if( bufsiz < (p2-p1) ) {
78          DEBUGPRINT1( "pwd: buffer too small.%s", "" );          DEBUGPRINT1( "buffer too small.%s", "" );
79          return -3;          strncpy( ftp->error_message, "buffer too small", sizeof( ftp->error_message ) );
80            return LIBOFTP_ERROR_BUFFER;
81      }      }
82    
83      memcpy( buf, p1+1, p2 - p1 - 1 );      memcpy( buf, p1+1, p2 - p1 - 1 );
84      buf[ p2 - p1 - 1 ] = 0;      buf[ p2 - p1 - 1 ] = 0;
85    
86      return 0;      return LIBOFTP_NOERROR;
87  }  }
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