1 /*****************************************************************************
2 * libc.c: Extra libc function for some systems.
3 *****************************************************************************
4 * Copyright (C) 2002 the VideoLAN team
7 * Authors: Jon Lech Johansen <jon-vl@nanocrew.net>
8 * Samuel Hocevar <sam@zoy.org>
9 * Gildas Bazin <gbazin@videolan.org>
10 * Derk-Jan Hartman <hartman at videolan dot org>
11 * Christophe Massiot <massiot@via.ecp.fr>
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by
15 * the Free Software Foundation; either version 2 of the License, or
16 * (at your option) any later version.
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
23 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, write to the Free Software
25 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
26 *****************************************************************************/
27 #include <string.h> /* strdup() */
38 #if defined(HAVE_ICONV)
47 # include <sys/time.h>
50 # include <sys/wait.h>
53 #if defined(WIN32) || defined(UNDER_CE)
54 # define WIN32_LEAN_AND_MEAN
59 # define strcoll strcmp
62 /*****************************************************************************
63 * getenv: just in case, but it should never be called
64 *****************************************************************************/
65 #if !defined( HAVE_GETENV )
66 char *vlc_getenv( const char *name )
72 /*****************************************************************************
73 * strdup: returns a malloc'd copy of a string
74 *****************************************************************************/
75 #if !defined( HAVE_STRDUP )
76 char *vlc_strdup( const char *string )
78 return strndup( string, strlen( string ) );
82 /*****************************************************************************
83 * strndup: returns a malloc'd copy of at most n bytes of string
84 * Does anyone know whether or not it will be present in Jaguar?
85 *****************************************************************************/
86 #if !defined( HAVE_STRNDUP )
87 char *vlc_strndup( const char *string, size_t n )
90 size_t len = strlen( string );
92 len = __MIN( len, n );
93 psz = (char*)malloc( len + 1 );
97 memcpy( (void*)psz, (const void*)string, len );
105 /*****************************************************************************
106 * strcasecmp: compare two strings ignoring case
107 *****************************************************************************/
108 #if !defined( HAVE_STRCASECMP ) && !defined( HAVE_STRICMP )
109 int vlc_strcasecmp( const char *s1, const char *s2 )
112 if( !s1 || !s2 ) return -1;
119 if( c1 != c2 ) return (c1 < c2 ? -1 : 1);
123 if( !*s1 && !*s2 ) return 0;
124 else return (*s1 ? 1 : -1);
128 /*****************************************************************************
129 * strncasecmp: compare n chars from two strings ignoring case
130 *****************************************************************************/
131 #if !defined( HAVE_STRNCASECMP ) && !defined( HAVE_STRNICMP )
132 int vlc_strncasecmp( const char *s1, const char *s2, size_t n )
135 if( !s1 || !s2 ) return -1;
137 while( n > 0 && *s1 && *s2 )
142 if( c1 != c2 ) return (c1 < c2 ? -1 : 1);
146 if( !n || (!*s1 && !*s2) ) return 0;
147 else return (*s1 ? 1 : -1);
151 /******************************************************************************
152 * strcasestr: find a substring (little) in another substring (big)
153 * Case sensitive. Return NULL if not found, return big if little == null
154 *****************************************************************************/
155 #if !defined( HAVE_STRCASESTR ) && !defined( HAVE_STRISTR )
156 char * vlc_strcasestr( const char *psz_big, const char *psz_little )
158 char *p_pos = (char *)psz_big;
160 if( !psz_big || !psz_little || !*psz_little ) return p_pos;
164 if( toupper( *p_pos ) == toupper( *psz_little ) )
166 char * psz_cur1 = p_pos + 1;
167 char * psz_cur2 = (char *)psz_little + 1;
168 while( *psz_cur1 && *psz_cur2 &&
169 toupper( *psz_cur1 ) == toupper( *psz_cur2 ) )
174 if( !*psz_cur2 ) return p_pos;
182 /*****************************************************************************
184 *****************************************************************************/
185 #if !defined(HAVE_VASPRINTF) || defined(SYS_DARWIN) || defined(SYS_BEOS)
186 int vlc_vasprintf(char **strp, const char *fmt, va_list ap)
188 /* Guess we need no more than 100 bytes. */
190 char *p = malloc( i_size );
201 /* Try to print in the allocated space. */
202 n = vsnprintf( p, i_size, fmt, ap );
204 /* If that worked, return the string. */
205 if (n > -1 && n < i_size)
210 /* Else try again with more space. */
211 if (n > -1) /* glibc 2.1 */
213 i_size = n+1; /* precisely what is needed */
217 i_size *= 2; /* twice the old size */
219 if( (p = realloc( p, i_size ) ) == NULL)
228 /*****************************************************************************
230 *****************************************************************************/
231 #if !defined(HAVE_ASPRINTF) || defined(SYS_DARWIN) || defined(SYS_BEOS)
232 int vlc_asprintf( char **strp, const char *fmt, ... )
237 va_start( args, fmt );
238 i_ret = vasprintf( strp, fmt, args );
245 /*****************************************************************************
246 * atof: convert a string to a double.
247 *****************************************************************************/
248 #if !defined( HAVE_ATOF )
249 double vlc_atof( const char *nptr )
253 int i_len = strlen( nptr ) + 1;
255 psz_tmp = malloc( i_len * sizeof(wchar_t) );
256 MultiByteToWideChar( CP_ACP, 0, nptr, -1, psz_tmp, i_len );
257 f_result = wcstod( psz_tmp, NULL );
264 /*****************************************************************************
265 * strtoll: convert a string to a 64 bits int.
266 *****************************************************************************/
267 #if !defined( HAVE_STRTOLL )
268 int64_t vlc_strtoll( const char *nptr, char **endptr, int base )
271 int sign = 1, newbase = base ? base : 10;
273 while( isspace(*nptr) ) nptr++;
281 /* Try to detect base */
294 if( base && newbase != base )
296 if( endptr ) *endptr = (char *)nptr;
303 while( *nptr >= '0' && *nptr <= '9' )
306 i_value += ( *nptr++ - '0' );
308 if( endptr ) *endptr = (char *)nptr;
312 while( (*nptr >= '0' && *nptr <= '9') ||
313 (*nptr >= 'a' && *nptr <= 'f') ||
314 (*nptr >= 'A' && *nptr <= 'F') )
317 if(*nptr >= '0' && *nptr <= '9') i_valc = *nptr - '0';
318 else if(*nptr >= 'a' && *nptr <= 'f') i_valc = *nptr - 'a' +10;
319 else if(*nptr >= 'A' && *nptr <= 'F') i_valc = *nptr - 'A' +10;
324 if( endptr ) *endptr = (char *)nptr;
328 i_value = strtol( nptr, endptr, newbase );
332 return i_value * sign;
336 /*****************************************************************************
337 * atoll: convert a string to a 64 bits int.
338 *****************************************************************************/
339 #if !defined( HAVE_ATOLL )
340 int64_t vlc_atoll( const char *nptr )
342 return strtoll( nptr, (char **)NULL, 10 );
346 /*****************************************************************************
347 * vlc_*dir_wrapper: wrapper under Windows to return the list of drive letters
348 * when called with an empty argument or just '\'
349 *****************************************************************************/
350 #if defined(WIN32) && !defined(UNDER_CE)
351 typedef struct vlc_DIR
355 struct dirent dd_dir;
356 vlc_bool_t b_insert_back;
359 void *vlc_opendir_wrapper( const char *psz_path )
364 if ( psz_path == NULL || psz_path[0] == '\0'
365 || (psz_path[0] == '\\' && psz_path[1] == '\0') )
367 /* Special mode to list drive letters */
368 p_dir = malloc( sizeof(vlc_DIR) );
369 p_dir->p_real_dir = NULL;
370 p_dir->i_drives = GetLogicalDrives();
371 return (void *)p_dir;
374 p_real_dir = opendir( psz_path );
375 if ( p_real_dir == NULL )
378 p_dir = malloc( sizeof(vlc_DIR) );
379 p_dir->p_real_dir = p_real_dir;
380 p_dir->b_insert_back = ( psz_path[1] == ':' && psz_path[2] == '\\'
381 && psz_path[3] =='\0' );
382 return (void *)p_dir;
385 struct dirent *vlc_readdir_wrapper( void *_p_dir )
387 vlc_DIR *p_dir = (vlc_DIR *)_p_dir;
391 if ( p_dir->p_real_dir != NULL )
393 if ( p_dir->b_insert_back )
395 p_dir->dd_dir.d_ino = 0;
396 p_dir->dd_dir.d_reclen = 0;
397 p_dir->dd_dir.d_namlen = 2;
398 strcpy( p_dir->dd_dir.d_name, ".." );
399 p_dir->b_insert_back = VLC_FALSE;
400 return &p_dir->dd_dir;
403 return readdir( p_dir->p_real_dir );
406 /* Drive letters mode */
407 i_drives = p_dir->i_drives;
409 return NULL; /* end */
411 for ( i = 0; i < sizeof(DWORD)*8; i++, i_drives >>= 1 )
412 if ( i_drives & 1 ) break;
415 return NULL; /* this should not happen */
417 sprintf( p_dir->dd_dir.d_name, "%c:\\", 'A' + i );
418 p_dir->dd_dir.d_namlen = strlen(p_dir->dd_dir.d_name);
419 p_dir->i_drives &= ~(1UL << i);
420 return &p_dir->dd_dir;
423 int vlc_closedir_wrapper( void *_p_dir )
425 vlc_DIR *p_dir = (vlc_DIR *)_p_dir;
427 if ( p_dir->p_real_dir != NULL )
429 int i_ret = closedir( p_dir->p_real_dir );
438 void *vlc_opendir_wrapper( const char *psz_path )
440 return (void *)opendir( psz_path );
442 struct dirent *vlc_readdir_wrapper( void *_p_dir )
444 return readdir( (DIR *)_p_dir );
446 int vlc_closedir_wrapper( void *_p_dir )
448 return closedir( (DIR *)_p_dir );
452 /*****************************************************************************
453 * scandir: scan a directory alpha-sorted
454 *****************************************************************************/
455 #if !defined( HAVE_SCANDIR )
456 int vlc_alphasort( const struct dirent **a, const struct dirent **b )
458 return strcoll( (*a)->d_name, (*b)->d_name );
461 int vlc_scandir( const char *name, struct dirent ***namelist,
462 int (*filter) ( const struct dirent * ),
463 int (*compar) ( const struct dirent **,
464 const struct dirent ** ) )
467 struct dirent * p_content;
468 struct dirent ** pp_list;
471 if( !namelist || !( p_dir = vlc_opendir_wrapper( name ) ) ) return -1;
475 while( ( p_content = vlc_readdir_wrapper( p_dir ) ) )
477 if( filter && !filter( p_content ) )
481 pp_list = realloc( pp_list, ( ret + 1 ) * sizeof( struct dirent * ) );
482 size = sizeof( struct dirent ) + strlen( p_content->d_name ) + 1;
483 pp_list[ret] = malloc( size );
484 memcpy( pp_list[ret], p_content, size );
488 vlc_closedir_wrapper( p_dir );
492 qsort( pp_list, ret, sizeof( struct dirent * ),
493 (int (*)(const void *, const void *)) compar );
501 /*****************************************************************************
502 * dgettext: gettext for plugins.
503 *****************************************************************************/
504 char *vlc_dgettext( const char *package, const char *msgid )
506 #if defined( ENABLE_NLS ) \
507 && ( defined(HAVE_GETTEXT) || defined(HAVE_INCLUDED_GETTEXT) )
508 return dgettext( package, msgid );
510 return (char *)msgid;
514 /*****************************************************************************
515 * count_utf8_string: returns the number of characters in the string.
516 *****************************************************************************/
517 static int count_utf8_string( const char *psz_string )
519 int i = 0, i_count = 0;
520 while( psz_string[ i ] != 0 )
522 if( ((unsigned char *)psz_string)[ i ] < 0x80UL ) i_count++;
528 /*****************************************************************************
529 * wraptext: inserts \n at convenient places to wrap the text.
530 * Returns the modified string in a new buffer.
531 *****************************************************************************/
532 char *vlc_wraptext( const char *psz_text, int i_line, vlc_bool_t b_utf8 )
535 char *psz_line, *psz_new_text;
537 psz_line = psz_new_text = strdup( psz_text );
540 i_len = count_utf8_string( psz_text );
542 i_len = strlen( psz_text );
544 while( i_len > i_line )
546 /* Look if there is a newline somewhere. */
547 char *psz_parser = psz_line;
549 while( i_count <= i_line && *psz_parser != '\n' )
553 while( *((unsigned char *)psz_parser) >= 0x80UL ) psz_parser++;
558 if( *psz_parser == '\n' )
560 i_len -= (i_count + 1);
561 psz_line = psz_parser + 1;
565 /* Find the furthest space. */
566 while( psz_parser > psz_line && *psz_parser != ' ' )
570 while( *((unsigned char *)psz_parser) >= 0x80UL ) psz_parser--;
575 if( *psz_parser == ' ' )
578 i_len -= (i_count + 1);
579 psz_line = psz_parser + 1;
583 /* Wrapping has failed. Find the first space or newline */
584 while( i_count < i_len && *psz_parser != ' ' && *psz_parser != '\n' )
588 while( *((unsigned char *)psz_parser) >= 0x80UL ) psz_parser++;
593 if( i_count < i_len ) *psz_parser = '\n';
594 i_len -= (i_count + 1);
595 psz_line = psz_parser + 1;
601 /*****************************************************************************
603 *****************************************************************************/
604 vlc_iconv_t vlc_iconv_open( const char *tocode, const char *fromcode )
606 #if defined(HAVE_ICONV)
607 return iconv_open( tocode, fromcode );
613 size_t vlc_iconv( vlc_iconv_t cd, char **inbuf, size_t *inbytesleft,
614 char **outbuf, size_t *outbytesleft )
616 #if defined(HAVE_ICONV)
617 return iconv( cd, inbuf, inbytesleft, outbuf, outbytesleft );
621 if (inbytesleft == NULL || outbytesleft == NULL)
626 i_bytes = __MIN(*inbytesleft, *outbytesleft);
627 if( !inbuf || !outbuf || !i_bytes ) return (size_t)(-1);
628 memcpy( *outbuf, *inbuf, i_bytes );
631 inbytesleft -= i_bytes;
632 outbytesleft -= i_bytes;
637 int vlc_iconv_close( vlc_iconv_t cd )
639 #if defined(HAVE_ICONV)
640 return iconv_close( cd );
646 /*****************************************************************************
648 * (adapted from libavcodec, author Michael Niedermayer <michaelni@gmx.at>)
649 *****************************************************************************/
650 vlc_bool_t vlc_ureduce( unsigned *pi_dst_nom, unsigned *pi_dst_den,
651 uint64_t i_nom, uint64_t i_den, uint64_t i_max )
653 vlc_bool_t b_exact = 1;
663 i_gcd = GCD( i_nom, i_den );
667 if( i_max == 0 ) i_max = I64C(0xFFFFFFFF);
669 if( i_nom > i_max || i_den > i_max )
671 uint64_t i_a0_num = 0, i_a0_den = 1, i_a1_num = 1, i_a1_den = 0;
676 uint64_t i_x = i_nom / i_den;
677 uint64_t i_a2n = i_x * i_a1_num + i_a0_num;
678 uint64_t i_a2d = i_x * i_a1_den + i_a0_den;
680 if( i_a2n > i_max || i_a2d > i_max ) break;
684 i_a0_num = i_a1_num; i_a0_den = i_a1_den;
685 i_a1_num = i_a2n; i_a1_den = i_a2d;
686 if( i_nom == 0 ) break;
687 i_x = i_nom; i_nom = i_den; i_den = i_x;
699 /*************************************************************************
700 * vlc_parse_cmdline: Command line parsing into elements.
702 * The command line is composed of space/tab separated arguments.
703 * Quotes can be used as argument delimiters and a backslash can be used to
705 *************************************************************************/
706 static void find_end_quote( char **s, char **ppsz_parser, int i_quote )
715 (*ppsz_parser)++; (*s)++;
718 else if( **s == '"' || **s == '\'' )
720 /* Preceeded by a number of '\' which we erase. */
721 *ppsz_parser -= i_bcount / 2;
724 /* '\\' followed by a '"' or '\'' */
727 (*ppsz_parser)++; (*s)++;
739 /* Different quoting */
742 (*ppsz_parser)++; (*s)++;
743 find_end_quote( s, ppsz_parser, i_quote );
745 (*ppsz_parser)++; (*s)++;
752 /* A regular character */
754 (*ppsz_parser)++; (*s)++;
760 char **vlc_parse_cmdline( const char *psz_cmdline, int *i_args )
764 char *s, *psz_parser, *psz_arg, *psz_orig;
767 if( !psz_cmdline ) return 0;
768 psz_orig = strdup( psz_cmdline );
769 psz_arg = psz_parser = s = psz_orig;
773 if( *s == '\t' || *s == ' ' )
775 /* We have a complete argument */
777 TAB_APPEND( argc, argv, strdup(psz_arg) );
779 /* Skip trailing spaces/tabs */
780 do{ s++; } while( *s == '\t' || *s == ' ' );
783 psz_arg = psz_parser = s;
786 else if( *s == '\\' )
788 *psz_parser++ = *s++;
791 else if( *s == '"' || *s == '\'' )
793 if( ( i_bcount & 1 ) == 0 )
795 /* Preceeded by an even number of '\', this is half that
796 * number of '\', plus a quote which we erase. */
798 psz_parser -= i_bcount / 2;
800 find_end_quote( &s, &psz_parser, i_quote );
805 /* Preceeded by an odd number of '\', this is half that
806 * number of '\' followed by a '"' */
807 psz_parser = psz_parser - i_bcount/2 - 1;
815 /* A regular character */
816 *psz_parser++ = *s++;
821 /* Take care of the last arg */
825 TAB_APPEND( argc, argv, strdup(psz_arg) );
828 if( i_args ) *i_args = argc;
833 /*************************************************************************
834 * vlc_execve: Execute an external program with a given environment,
835 * wait until it finishes and return its standard output
836 *************************************************************************/
837 int __vlc_execve( vlc_object_t *p_object, int i_argc, char **ppsz_argv,
838 char **ppsz_env, char *psz_cwd, char *p_in, int i_in,
839 char **pp_data, int *pi_data )
849 if ( (i_child_pid = fork()) == -1 )
851 msg_Err( p_object, "unable to fork (%s)", strerror(errno) );
855 if ( i_child_pid == 0 )
867 if ( psz_cwd != NULL )
869 execve( ppsz_argv[0], ppsz_argv, ppsz_env );
876 close( pi_stdin[0] );
879 *pp_data = malloc( 1025 ); /* +1 for \0 */
881 while ( !p_object->b_die )
884 fd_set readfds, writefds;
888 FD_ZERO( &writefds );
889 FD_SET( pi_stdout[0], &readfds );
891 FD_SET( pi_stdin[0], &writefds );
896 i_ret = select( pi_stdin[0] > pi_stdout[0] ? pi_stdin[0] + 1 :
897 pi_stdout[0] + 1, &readfds, &writefds, NULL, &tv );
900 if ( FD_ISSET( pi_stdout[0], &readfds ) )
902 ssize_t i_read = read( pi_stdout[0], &(*pp_data)[*pi_data],
907 *pp_data = realloc( *pp_data, *pi_data + 1025 );
910 if ( FD_ISSET( pi_stdin[0], &writefds ) )
912 ssize_t i_write = write( pi_stdin[0], p_in, __MIN(i_in, 1024) );
920 close( pi_stdin[0] );
924 if ( waitpid( i_child_pid, &i_status, WNOHANG ) == i_child_pid )
926 if ( WIFEXITED( i_status ) )
928 if ( WEXITSTATUS( i_status ) )
931 "child %s returned with error code %d",
932 ppsz_argv[0], WEXITSTATUS( i_status ) );
937 if ( WIFSIGNALED( i_status ) )
940 "child %s quit on signal %d", ppsz_argv[0],
941 WTERMSIG( i_status ) );
945 close( pi_stdin[0] );
946 close( pi_stdout[0] );
950 if ( i_ret < 0 && errno != EINTR )
952 msg_Warn( p_object, "select failed (%s)", strerror(errno) );
956 #elif defined( WIN32 ) && !defined( UNDER_CE )
957 SECURITY_ATTRIBUTES saAttr;
958 PROCESS_INFORMATION piProcInfo;
959 STARTUPINFO siStartInfo;
960 BOOL bFuncRetn = FALSE;
961 HANDLE hChildStdinRd, hChildStdinWr, hChildStdoutRd, hChildStdoutWr;
963 char *psz_cmd, *p_env, *p;
967 /* Set the bInheritHandle flag so pipe handles are inherited. */
968 saAttr.nLength = sizeof(SECURITY_ATTRIBUTES);
969 saAttr.bInheritHandle = TRUE;
970 saAttr.lpSecurityDescriptor = NULL;
972 /* Create a pipe for the child process's STDOUT. */
973 if ( !CreatePipe( &hChildStdoutRd, &hChildStdoutWr, &saAttr, 0 ) )
975 msg_Err( p_object, "stdout pipe creation failed" );
979 /* Ensure the read handle to the pipe for STDOUT is not inherited. */
980 SetHandleInformation( hChildStdoutRd, HANDLE_FLAG_INHERIT, 0 );
982 /* Create a pipe for the child process's STDIN. */
983 if ( !CreatePipe( &hChildStdinRd, &hChildStdinWr, &saAttr, 0 ) )
985 msg_Err( p_object, "stdin pipe creation failed" );
989 /* Ensure the write handle to the pipe for STDIN is not inherited. */
990 SetHandleInformation( hChildStdinWr, HANDLE_FLAG_INHERIT, 0 );
992 /* Set up members of the PROCESS_INFORMATION structure. */
993 ZeroMemory( &piProcInfo, sizeof(PROCESS_INFORMATION) );
995 /* Set up members of the STARTUPINFO structure. */
996 ZeroMemory( &siStartInfo, sizeof(STARTUPINFO) );
997 siStartInfo.cb = sizeof(STARTUPINFO);
998 siStartInfo.hStdError = hChildStdoutWr;
999 siStartInfo.hStdOutput = hChildStdoutWr;
1000 siStartInfo.hStdInput = hChildStdinRd;
1001 siStartInfo.wShowWindow = SW_HIDE;
1002 siStartInfo.dwFlags |= STARTF_USESTDHANDLES | STARTF_USESHOWWINDOW;
1004 /* Set up the command line. */
1005 psz_cmd = malloc(32768);
1008 ppsz_parser = &ppsz_argv[0];
1009 while ( ppsz_parser[0] != NULL && i_size > 0 )
1011 /* Protect the last argument with quotes ; the other arguments
1012 * are supposed to be already protected because they have been
1013 * passed as a command-line option. */
1014 if ( ppsz_parser[1] == NULL )
1016 strncat( psz_cmd, "\"", i_size );
1019 strncat( psz_cmd, *ppsz_parser, i_size );
1020 i_size -= strlen( *ppsz_parser );
1021 if ( ppsz_parser[1] == NULL )
1023 strncat( psz_cmd, "\"", i_size );
1026 strncat( psz_cmd, " ", i_size );
1031 /* Set up the environment. */
1032 p = p_env = malloc(32768);
1034 ppsz_parser = &ppsz_env[0];
1035 while ( *ppsz_parser != NULL && i_size > 0 )
1037 memcpy( p, *ppsz_parser,
1038 __MIN((int)(strlen(*ppsz_parser) + 1), i_size) );
1039 p += strlen(*ppsz_parser) + 1;
1040 i_size -= strlen(*ppsz_parser) + 1;
1045 /* Create the child process. */
1046 bFuncRetn = CreateProcess( NULL,
1047 psz_cmd, // command line
1048 NULL, // process security attributes
1049 NULL, // primary thread security attributes
1050 TRUE, // handles are inherited
1051 0, // creation flags
1054 &siStartInfo, // STARTUPINFO pointer
1055 &piProcInfo ); // receives PROCESS_INFORMATION
1060 if ( bFuncRetn == 0 )
1062 msg_Err( p_object, "child creation failed" );
1066 /* Read from a file and write its contents to a pipe. */
1067 while ( i_in > 0 && !p_object->b_die )
1070 if ( !WriteFile( hChildStdinWr, p_in, i_in, &i_written, NULL ) )
1076 /* Close the pipe handle so the child process stops reading. */
1077 CloseHandle(hChildStdinWr);
1079 /* Close the write end of the pipe before reading from the
1080 * read end of the pipe. */
1081 CloseHandle(hChildStdoutWr);
1083 /* Read output from the child process. */
1085 *pp_data = malloc( 1025 ); /* +1 for \0 */
1087 while ( !p_object->b_die )
1090 if ( !ReadFile( hChildStdoutRd, &(*pp_data)[*pi_data], 1024, &i_read,
1095 *pp_data = realloc( *pp_data, *pi_data + 1025 );
1098 while ( !p_object->b_die
1099 && !GetExitCodeProcess( piProcInfo.hProcess, &i_status )
1100 && i_status != STILL_ACTIVE )
1103 CloseHandle(piProcInfo.hProcess);
1104 CloseHandle(piProcInfo.hThread);
1108 "child %s returned with error code %ld",
1109 ppsz_argv[0], i_status );
1112 msg_Err( p_object, "vlc_execve called but no implementation is available" );
1117 (*pp_data)[*pi_data] = '\0';