Hi, And what happens if "if (*value_max_size < value_len)" fail and realloc is not called?
Best regards, Ranier Vilela ________________________________________ De: Antonio Scuri <antonio.sc...@gmail.com> Enviado: terça-feira, 4 de junho de 2019 11:09 Para: IUP discussion list. Assunto: Re: [Iup-users] CID 210668 (#1 of 1): Explicit null dereferenced (FORWARD_NULL) The realloc function does the malloc job. And it will only increase the size of the value pointer when necessary. Best, Scuri Em seg, 3 de jun de 2019 às 22:29, Ranier VF <ranier_...@hotmail.com<mailto:ranier_...@hotmail.com>> escreveu: Hi, Sorry but can't undestand the logic. iupmatex_clipboard.c line 505, call function: value = iMatrixExStrCopyData(value, &value_max_size, data, value_len); iMatrixExStrCopyData, call memcpy with value without malloc? static char* iMatrixExStrCopyData(char* value, int *value_max_size, const char* data, int value_len) { if (*value_max_size < value_len) /* if fail, memcpy destroy memory pointer */ { *value_max_size = value_len+10; value = realloc(value, *value_max_size); } memcpy(value, data, value_len); value[value_len] = 0; return value; } Best regards, Ranier Vilela _______________________________________________ Iup-users mailing list Iup-users@lists.sourceforge.net<mailto:Iup-users@lists.sourceforge.net> https://lists.sourceforge.net/lists/listinfo/iup-users _______________________________________________ Iup-users mailing list Iup-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/iup-users
