| 333 | */ |
| 334 | |
| 335 | void exec_cmd |
| 336 | ( |
| 337 | string const * cmd_orig, |
| 338 | int32_t flags, |
| 339 | ExecCmdCallback func, |
| 340 | void * closure, |
| 341 | LIST * shell |
| 342 | ) |
| 343 | { |
| 344 | int32_t const slot = get_free_cmdtab_slot(); |
| 345 | int32_t const is_raw_cmd = is_raw_command_request( shell ); |
| 346 | string cmd_local[ 1 ]; |
| 347 | |
| 348 | /* Initialize default shell - anything more than /Q/C is non-portable. */ |
| 349 | static LIST * default_shell; |
| 350 | if ( !default_shell ) |
| 351 | default_shell = list_new( object_new( "cmd.exe /Q/C" ) ); |
| 352 | |
| 353 | /* Specifying no shell means requesting the default shell. */ |
| 354 | if ( list_empty( shell ) ) |
| 355 | shell = default_shell; |
| 356 | |
| 357 | if ( DEBUG_EXECCMD ) |
| 358 | { |
| 359 | if ( is_raw_cmd ) |
| 360 | out_printf( "Executing raw command directly\n" ); |
| 361 | else |
| 362 | { |
| 363 | out_printf( "Executing using a command file and the shell: " ); |
| 364 | list_print( shell ); |
| 365 | out_printf( "\n" ); |
| 366 | } |
| 367 | } |
| 368 | |
| 369 | /* If we are running a raw command directly - trim its leading whitespaces |
| 370 | * as well as any trailing all-whitespace lines but keep any trailing |
| 371 | * whitespace in the final/only line containing something other than |
| 372 | * whitespace). |
| 373 | */ |
| 374 | if ( is_raw_cmd ) |
| 375 | { |
| 376 | char const * start = cmd_orig->value; |
| 377 | char const * p = cmd_orig->value + cmd_orig->size; |
| 378 | char const * end = p; |
| 379 | while ( isspace( *start ) ) ++start; |
| 380 | while ( p > start && isspace( p[ -1 ] ) ) |
| 381 | if ( *--p == '\n' ) |
| 382 | end = p; |
| 383 | string_new( cmd_local ); |
| 384 | string_append_range( cmd_local, start, end ); |
| 385 | assert( int32_t(cmd_local->size) == raw_command_length( cmd_orig->value ) ); |
| 386 | } |
| 387 | /* If we are not running a raw command directly, prepare a command file to |
| 388 | * be executed using an external shell and the actual command string using |
| 389 | * that command file. |
| 390 | */ |
| 391 | else |
| 392 | { |
no test coverage detected