error C2220 warning treated as error - no object file generated

Question

I have below class  class Cdata12Mnt   public      char IOBname ID1 IOB PIOTSUP-ID1 IOB TOP  BOADNAM MAX   4       char ExIOBname ID1 MAX INF-ID1 EXIOB U1TOP  BOADNAM MAX   4       char cflpath 256       char basetext 256       UINT database ID1 MAX INF       int State   public      char SelectPath 256    public      int GetIOBName int slt char  Name       Cdata12Mnt char  SelectPath       virtual  Cdata12Mnt        int     GetValue int id       int     GetState     return State         And I have function as below  Cdata12Mnt  Cdata12Mnt char  SelectPath        SCTReg  reg      char    buf 256    cpnt   npnt   bpnt1   bpnt2      char     startcode       CNTL CODE    SEGMENT         char     stopcode        END CNTL CODE         FILE     fp      int     ii  infl       State   0       for  ii   0  ii  lt   ID1 IOB PIOTSUP - ID1 IOB TOP   ii              strcpy IOBname ii                   for  ii   0  ii  lt   ID1 MAX INF-ID1 EXIOB U1TOP   ii                strcpy ExIOBname ii                     sprintf cflpath    s   s   SelectPath  CDATAFL        if   fp   fopen cflpath  r     NULL            for  ii   0  infl   0  fgets buf  256  fp     NULL                 if  infl    0  amp  amp  strncmp buf  startcode 0   strlen startcode 0       0                    if   cpnt   strchr  amp buf strlen startcode 0     startcode 1       NULL                        if  strncmp cpnt startcode 1   strlen startcode 1       0                            infl   1                          continue                                                                     if  infl    0                    continue                             if  strncmp buf stopcode strlen stopcode    0                    if  ii    ID1 EXIOB U1TOP                        for  int nDataNumber   ii  nDataNumber  lt  ID1 MAX INF  nDataNumber                              database nDataNumber    0                                                           infl   0                  continue                             if  strncmp  amp buf 14     DD    4     0                    if   cpnt strchr buf           NULL                         cpnt     0                                      if  ii  gt   ID1 IOB TOP  amp  amp  ii  lt  ID1 IOB PIOTSUP                        if   bpnt1   strchr cpnt   1          NULL  amp  amp   bpnt2 strchr cpnt   1        NULL  amp  amp  bpnt1  lt  bpnt2                             bpnt2     0                             bpnt1   BOADNAM MAX   1      0                           strcpy IOBname ii-ID1 IOB TOP   bpnt1   1                                                            if  ii  gt   ID1 EXIOB U1TOP  amp  amp  ii  lt  ID1 MAX INF                        if   bpnt1   strchr cpnt   1           NULL  amp  amp   bpnt2 strchr cpnt 1        NULL  amp  amp  bpnt1  lt  bpnt2                                 bpnt2   0                                 bpnt1 BOADNAM MAX 1    0                               strcpy ExIOBname ii-ID1 EXIOB U1TOP   bpnt1   1                                                            for  cpnt    amp buf 18   cpnt    NULL                         if   npnt strchr cpnt           NULL                           npnt   0                                      if  strchr cpnt  H    NULL                        sscanf cpnt   XH   amp database ii                      else                       database ii  atoi cpnt                                      ii                    cpnt   npnt                   if  cpnt    NULL                        cpnt                                                         fclose fp     else       State -1      When I compile this function in Visual studio 2008  it gives me error at strcpy IOBname ii       as below     error C2220  warning treated as error - no  object  file generated   How to fix this error

User · Answer

Go to project properties - gt  configurations properties - gt  C C   - gt  treats warning as error - gt  No   WX-

User · Answer

The error says that a warning was treated as an error  therefore your problem is a warning message   The object file is then not created because there was an error   So you need to check your warnings and fix them  In case you don t know how to find them  Open the Error List  View  gt  Error List  and click on Warning

User · Answer

This warning is about unsafe use of strcpy  Try IOBname ii    0   instead

User · Answer

As a side-note  you can enable disable individual warnings using  pragma  You can have a look at the documentation here  From the documentation      pragma warning cpp    compile with   W1  pragma warning disable 4700  void Test        int x     int y   x       no C4700 here     pragma warning default 4700       C4700 enabled after Test ends    int main        int x     int y   x       C4700

User · Answer

This error message is very confusing  I just fixed the other  warnings  in my project and I really had only one  simple one       warning C4101   i   unreferenced local variable   After I commented this unused i  and compiled it  the other error went away

[c++] error C2220: warning treated as error - no 'object' file generated

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