| 29,34 → 29,28 |
|---|
| |
| int svarlang_autoload_exepath(const char *selfexe, const char *lang) { |
| unsigned short selflen; |
| char self_ext_backup[3]; |
| char *self_ext_ptr; |
| unsigned long self_ext_backup; |
| unsigned long *self_ext_ptr; |
| int res; |
| |
| /* validate selfexe: must be at least 5 bytes long and 4th char from end must |
| * be a dot (like "a.exe" or "c:\b.com" or "..\..\test\run.exe") */ |
| if (selfexe == NULL) return(-1); |
| if (selfexe == NULL) return(-200); |
| for (selflen = 0; selfexe[selflen] != 0; selflen++); |
| if ((selflen < 5) || (selfexe[selflen - 4] != '.')) return(-2); |
| if ((selflen < 5) || (selfexe[selflen - 4] != '.')) return(-200); |
| |
| self_ext_ptr = (char *)selfexe + selflen - 3; /* disregard CONST (I revert original content later, so the caller won't notice */ |
| self_ext_ptr = (void *)(selfexe + selflen - 3); /* disregard CONST (I revert original content later, so the caller won't notice */ |
| |
| /* copy extension to buffer and replace it with "lng" */ |
| self_ext_backup[0] = self_ext_ptr[0]; |
| self_ext_backup[1] = self_ext_ptr[1]; |
| self_ext_backup[2] = self_ext_ptr[2]; |
| self_ext_backup = *self_ext_ptr; |
| |
| self_ext_ptr[0] = 'L'; |
| self_ext_ptr[1] = 'N'; |
| self_ext_ptr[2] = 'G'; |
| *self_ext_ptr = 0x00474E4Cl; /* "LNG\0" */ |
| |
| /* try loading it now */ |
| res = svarlang_load(selfexe, lang); |
| |
| /* restore the original filename and quit */ |
| self_ext_ptr[0] = self_ext_backup[0]; |
| self_ext_ptr[1] = self_ext_backup[1]; |
| self_ext_ptr[2] = self_ext_backup[2]; |
| *self_ext_ptr = self_ext_backup; |
| |
| return(res); |
| } |