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
58 /*****************************************************************************
59 * getenv: just in case, but it should never be called
60 *****************************************************************************/
61 #if !defined( HAVE_GETENV )
62 char *vlc_getenv( const char *name )
68 /*****************************************************************************
69 * strdup: returns a malloc'd copy of a string
70 *****************************************************************************/
71 #if !defined( HAVE_STRDUP )
72 char *vlc_strdup( const char *string )
74 return strndup( string, strlen( string ) );
78 /*****************************************************************************
79 * strndup: returns a malloc'd copy of at most n bytes of string
80 * Does anyone know whether or not it will be present in Jaguar?
81 *****************************************************************************/
82 #if !defined( HAVE_STRNDUP )
83 char *vlc_strndup( const char *string, size_t n )
86 size_t len = strlen( string );
88 len = __MIN( len, n );
89 psz = (char*)malloc( len + 1 );
93 memcpy( (void*)psz, (const void*)string, len );
101 /*****************************************************************************
102 * strcasecmp: compare two strings ignoring case
103 *****************************************************************************/
104 #if !defined( HAVE_STRCASECMP ) && !defined( HAVE_STRICMP )
105 int vlc_strcasecmp( const char *s1, const char *s2 )
108 if( !s1 || !s2 ) return -1;
115 if( c1 != c2 ) return (c1 < c2 ? -1 : 1);
119 if( !*s1 && !*s2 ) return 0;
120 else return (*s1 ? 1 : -1);
124 /*****************************************************************************
125 * strncasecmp: compare n chars from two strings ignoring case
126 *****************************************************************************/
127 #if !defined( HAVE_STRNCASECMP ) && !defined( HAVE_STRNICMP )
128 int vlc_strncasecmp( const char *s1, const char *s2, size_t n )
131 if( !s1 || !s2 ) return -1;
133 while( n > 0 && *s1 && *s2 )
138 if( c1 != c2 ) return (c1 < c2 ? -1 : 1);
142 if( !n || (!*s1 && !*s2) ) return 0;
143 else return (*s1 ? 1 : -1);
147 /******************************************************************************
148 * strcasestr: find a substring (little) in another substring (big)
149 * Case sensitive. Return NULL if not found, return big if little == null
150 *****************************************************************************/
151 #if !defined( HAVE_STRCASESTR ) && !defined( HAVE_STRISTR )
152 char * vlc_strcasestr( const char *psz_big, const char *psz_little )
154 char *p_pos = (char *)psz_big;
156 if( !psz_big || !psz_little || !*psz_little ) return p_pos;
160 if( toupper( *p_pos ) == toupper( *psz_little ) )
162 char * psz_cur1 = p_pos + 1;
163 char * psz_cur2 = (char *)psz_little + 1;
164 while( *psz_cur1 && *psz_cur2 &&
165 toupper( *psz_cur1 ) == toupper( *psz_cur2 ) )
170 if( !*psz_cur2 ) return p_pos;
178 /*****************************************************************************
180 *****************************************************************************/
181 #if !defined(HAVE_VASPRINTF) || defined(SYS_DARWIN) || defined(SYS_BEOS)
182 int vlc_vasprintf(char **strp, const char *fmt, va_list ap)
184 /* Guess we need no more than 100 bytes. */
186 char *p = malloc( i_size );
197 /* Try to print in the allocated space. */
198 n = vsnprintf( p, i_size, fmt, ap );
200 /* If that worked, return the string. */
201 if (n > -1 && n < i_size)
206 /* Else try again with more space. */
207 if (n > -1) /* glibc 2.1 */
209 i_size = n+1; /* precisely what is needed */
213 i_size *= 2; /* twice the old size */
215 if( (p = realloc( p, i_size ) ) == NULL)
224 /*****************************************************************************
226 *****************************************************************************/
227 #if !defined(HAVE_ASPRINTF) || defined(SYS_DARWIN) || defined(SYS_BEOS)
228 int vlc_asprintf( char **strp, const char *fmt, ... )
233 va_start( args, fmt );
234 i_ret = vasprintf( strp, fmt, args );
241 /*****************************************************************************
242 * atof: convert a string to a double.
243 *****************************************************************************/
244 #if !defined( HAVE_ATOF )
245 double vlc_atof( const char *nptr )
249 int i_len = strlen( nptr ) + 1;
251 psz_tmp = malloc( i_len * sizeof(wchar_t) );
252 MultiByteToWideChar( CP_ACP, 0, nptr, -1, psz_tmp, i_len );
253 f_result = wcstod( psz_tmp, NULL );
260 /*****************************************************************************
261 * strtoll: convert a string to a 64 bits int.
262 *****************************************************************************/
263 #if !defined( HAVE_STRTOLL )
264 int64_t vlc_strtoll( const char *nptr, char **endptr, int base )
267 int sign = 1, newbase = base ? base : 10;
269 while( isspace(*nptr) ) nptr++;
277 /* Try to detect base */
290 if( base && newbase != base )
292 if( endptr ) *endptr = (char *)nptr;
299 while( *nptr >= '0' && *nptr <= '9' )
302 i_value += ( *nptr++ - '0' );
304 if( endptr ) *endptr = (char *)nptr;
308 while( (*nptr >= '0' && *nptr <= '9') ||
309 (*nptr >= 'a' && *nptr <= 'f') ||
310 (*nptr >= 'A' && *nptr <= 'F') )
313 if(*nptr >= '0' && *nptr <= '9') i_valc = *nptr - '0';
314 else if(*nptr >= 'a' && *nptr <= 'f') i_valc = *nptr - 'a' +10;
315 else if(*nptr >= 'A' && *nptr <= 'F') i_valc = *nptr - 'A' +10;
320 if( endptr ) *endptr = (char *)nptr;
324 i_value = strtol( nptr, endptr, newbase );
328 return i_value * sign;
332 /*****************************************************************************
333 * atoll: convert a string to a 64 bits int.
334 *****************************************************************************/
335 #if !defined( HAVE_ATOLL )
336 int64_t vlc_atoll( const char *nptr )
338 return strtoll( nptr, (char **)NULL, 10 );
342 /*****************************************************************************
343 * vlc_*dir_wrapper: wrapper under Windows to return the list of drive letters
344 * when called with an empty argument or just '\'
345 *****************************************************************************/
346 #if defined(WIN32) || defined(UNDER_CE)
347 typedef struct vlc_DIR
351 struct dirent dd_dir;
352 vlc_bool_t b_insert_back;
355 void *vlc_opendir_wrapper( const char *psz_path )
360 if ( psz_path == NULL || psz_path[0] == '\0'
361 || (psz_path[0] == '\\' && psz_path[1] == '\0') )
363 /* Special mode to list drive letters */
364 p_dir = malloc( sizeof(vlc_DIR) );
365 p_dir->p_real_dir = NULL;
366 p_dir->i_drives = GetLogicalDrives();
367 return (void *)p_dir;
370 p_real_dir = opendir( psz_path );
371 if ( p_real_dir == NULL )
374 p_dir = malloc( sizeof(vlc_DIR) );
375 p_dir->p_real_dir = p_real_dir;
376 p_dir->b_insert_back = ( psz_path[1] == ':' && psz_path[2] == '\\'
377 && psz_path[3] =='\0' );
378 return (void *)p_dir;
381 struct dirent *vlc_readdir_wrapper( void *_p_dir )
383 vlc_DIR *p_dir = (vlc_DIR *)_p_dir;
387 if ( p_dir->p_real_dir != NULL )
389 if ( p_dir->b_insert_back )
391 p_dir->dd_dir.d_ino = 0;
392 p_dir->dd_dir.d_reclen = 0;
393 p_dir->dd_dir.d_namlen = 2;
394 strcpy( p_dir->dd_dir.d_name, ".." );
395 p_dir->b_insert_back = VLC_FALSE;
396 return &p_dir->dd_dir;
399 return readdir( p_dir->p_real_dir );
402 /* Drive letters mode */
403 i_drives = p_dir->i_drives;
405 return NULL; /* end */
407 for ( i = 0; i < sizeof(DWORD)*8; i++, i_drives >>= 1 )
408 if ( i_drives & 1 ) break;
411 return NULL; /* this should not happen */
413 sprintf( p_dir->dd_dir.d_name, "%c:\\", 'A' + i );
414 p_dir->dd_dir.d_namlen = strlen(p_dir->dd_dir.d_name);
415 p_dir->i_drives &= ~(1UL << i);
416 return &p_dir->dd_dir;
419 int vlc_closedir_wrapper( void *_p_dir )
421 vlc_DIR *p_dir = (vlc_DIR *)_p_dir;
423 if ( p_dir->p_real_dir != NULL )
425 int i_ret = closedir( p_dir->p_real_dir );
434 void *vlc_opendir_wrapper( const char *psz_path )
436 return (void *)opendir( psz_path );
438 struct dirent *vlc_readdir_wrapper( void *_p_dir )
440 return readdir( (DIR *)_p_dir );
442 int vlc_closedir_wrapper( void *_p_dir )
444 return closedir( (DIR *)_p_dir );
448 /*****************************************************************************
449 * scandir: scan a directory alpha-sorted
450 *****************************************************************************/
451 #if !defined( HAVE_SCANDIR )
452 int vlc_alphasort( const struct dirent **a, const struct dirent **b )
454 return strcoll( (*a)->d_name, (*b)->d_name );
457 int vlc_scandir( const char *name, struct dirent ***namelist,
458 int (*filter) ( const struct dirent * ),
459 int (*compar) ( const struct dirent **,
460 const struct dirent ** ) )
463 struct dirent * p_content;
464 struct dirent ** pp_list;
467 if( !namelist || !( p_dir = vlc_opendir_wrapper( name ) ) ) return -1;
471 while( ( p_content = vlc_readdir_wrapper( p_dir ) ) )
473 if( filter && !filter( p_content ) )
477 pp_list = realloc( pp_list, ( ret + 1 ) * sizeof( struct dirent * ) );
478 size = sizeof( struct dirent ) + strlen( p_content->d_name ) + 1;
479 pp_list[ret] = malloc( size );
480 memcpy( pp_list[ret], p_content, size );
484 vlc_closedir_wrapper( p_dir );
488 qsort( pp_list, ret, sizeof( struct dirent * ),
489 (int (*)(const void *, const void *)) compar );
497 /*****************************************************************************
498 * dgettext: gettext for plugins.
499 *****************************************************************************/
500 char *vlc_dgettext( const char *package, const char *msgid )
502 #if defined( ENABLE_NLS ) \
503 && ( defined(HAVE_GETTEXT) || defined(HAVE_INCLUDED_GETTEXT) )
504 return dgettext( package, msgid );
506 return (char *)msgid;
510 /*****************************************************************************
511 * count_utf8_string: returns the number of characters in the string.
512 *****************************************************************************/
513 static int count_utf8_string( const char *psz_string )
515 int i = 0, i_count = 0;
516 while( psz_string[ i ] != 0 )
518 if( ((unsigned char *)psz_string)[ i ] < 0x80UL ) i_count++;
524 /*****************************************************************************
525 * wraptext: inserts \n at convenient places to wrap the text.
526 * Returns the modified string in a new buffer.
527 *****************************************************************************/
528 char *vlc_wraptext( const char *psz_text, int i_line, vlc_bool_t b_utf8 )
531 char *psz_line, *psz_new_text;
533 psz_line = psz_new_text = strdup( psz_text );
536 i_len = count_utf8_string( psz_text );
538 i_len = strlen( psz_text );
540 while( i_len > i_line )
542 /* Look if there is a newline somewhere. */
543 char *psz_parser = psz_line;
545 while( i_count <= i_line && *psz_parser != '\n' )
549 while( *((unsigned char *)psz_parser) >= 0x80UL ) psz_parser++;
554 if( *psz_parser == '\n' )
556 i_len -= (i_count + 1);
557 psz_line = psz_parser + 1;
561 /* Find the furthest space. */
562 while( psz_parser > psz_line && *psz_parser != ' ' )
566 while( *((unsigned char *)psz_parser) >= 0x80UL ) psz_parser--;
571 if( *psz_parser == ' ' )
574 i_len -= (i_count + 1);
575 psz_line = psz_parser + 1;
579 /* Wrapping has failed. Find the first space or newline */
580 while( i_count < i_len && *psz_parser != ' ' && *psz_parser != '\n' )
584 while( *((unsigned char *)psz_parser) >= 0x80UL ) psz_parser++;
589 if( i_count < i_len ) *psz_parser = '\n';
590 i_len -= (i_count + 1);
591 psz_line = psz_parser + 1;
597 /*****************************************************************************
599 *****************************************************************************/
600 vlc_iconv_t vlc_iconv_open( const char *tocode, const char *fromcode )
602 #if defined(HAVE_ICONV)
603 return iconv_open( tocode, fromcode );
609 size_t vlc_iconv( vlc_iconv_t cd, char **inbuf, size_t *inbytesleft,
610 char **outbuf, size_t *outbytesleft )
612 #if defined(HAVE_ICONV)
613 return iconv( cd, inbuf, inbytesleft, outbuf, outbytesleft );
617 if (inbytesleft == NULL || outbytesleft == NULL)
622 i_bytes = __MIN(*inbytesleft, *outbytesleft);
623 if( !inbuf || !outbuf || !i_bytes ) return (size_t)(-1);
624 memcpy( *outbuf, *inbuf, i_bytes );
627 inbytesleft -= i_bytes;
628 outbytesleft -= i_bytes;
633 int vlc_iconv_close( vlc_iconv_t cd )
635 #if defined(HAVE_ICONV)
636 return iconv_close( cd );
642 /*****************************************************************************
644 * (adapted from libavcodec, author Michael Niedermayer <michaelni@gmx.at>)
645 *****************************************************************************/
646 vlc_bool_t vlc_ureduce( unsigned *pi_dst_nom, unsigned *pi_dst_den,
647 uint64_t i_nom, uint64_t i_den, uint64_t i_max )
649 vlc_bool_t b_exact = 1;
659 i_gcd = GCD( i_nom, i_den );
663 if( i_max == 0 ) i_max = I64C(0xFFFFFFFF);
665 if( i_nom > i_max || i_den > i_max )
667 uint64_t i_a0_num = 0, i_a0_den = 1, i_a1_num = 1, i_a1_den = 0;
672 uint64_t i_x = i_nom / i_den;
673 uint64_t i_a2n = i_x * i_a1_num + i_a0_num;
674 uint64_t i_a2d = i_x * i_a1_den + i_a0_den;
676 if( i_a2n > i_max || i_a2d > i_max ) break;
680 i_a0_num = i_a1_num; i_a0_den = i_a1_den;
681 i_a1_num = i_a2n; i_a1_den = i_a2d;
682 if( i_nom == 0 ) break;
683 i_x = i_nom; i_nom = i_den; i_den = i_x;
695 /*************************************************************************
696 * vlc_parse_cmdline: Command line parsing into elements.
698 * The command line is composed of space/tab separated arguments.
699 * Quotes can be used as argument delimiters and a backslash can be used to
701 *************************************************************************/
702 static void find_end_quote( char **s, char **ppsz_parser, int i_quote )
711 (*ppsz_parser)++; (*s)++;
714 else if( **s == '"' || **s == '\'' )
716 /* Preceeded by a number of '\' which we erase. */
717 *ppsz_parser -= i_bcount / 2;
720 /* '\\' followed by a '"' or '\'' */
723 (*ppsz_parser)++; (*s)++;
735 /* Different quoting */
738 (*ppsz_parser)++; (*s)++;
739 find_end_quote( s, ppsz_parser, i_quote );
741 (*ppsz_parser)++; (*s)++;
748 /* A regular character */
750 (*ppsz_parser)++; (*s)++;
756 char **vlc_parse_cmdline( const char *psz_cmdline, int *i_args )
760 char *s, *psz_parser, *psz_arg, *psz_orig;
763 if( !psz_cmdline ) return 0;
764 psz_orig = strdup( psz_cmdline );
765 psz_arg = psz_parser = s = psz_orig;
769 if( *s == '\t' || *s == ' ' )
771 /* We have a complete argument */
773 TAB_APPEND( argc, argv, strdup(psz_arg) );
775 /* Skip trailing spaces/tabs */
776 do{ s++; } while( *s == '\t' || *s == ' ' );
779 psz_arg = psz_parser = s;
782 else if( *s == '\\' )
784 *psz_parser++ = *s++;
787 else if( *s == '"' || *s == '\'' )
789 if( ( i_bcount & 1 ) == 0 )
791 /* Preceeded by an even number of '\', this is half that
792 * number of '\', plus a quote which we erase. */
794 psz_parser -= i_bcount / 2;
796 find_end_quote( &s, &psz_parser, i_quote );
801 /* Preceeded by an odd number of '\', this is half that
802 * number of '\' followed by a '"' */
803 psz_parser = psz_parser - i_bcount/2 - 1;
811 /* A regular character */
812 *psz_parser++ = *s++;
817 /* Take care of the last arg */
821 TAB_APPEND( argc, argv, strdup(psz_arg) );
824 if( i_args ) *i_args = argc;
829 /*************************************************************************
830 * vlc_execve: Execute an external program with a given environment,
831 * wait until it finishes and return its standard output
832 *************************************************************************/
833 int __vlc_execve( vlc_object_t *p_object, int i_argc, char **ppsz_argv,
834 char **ppsz_env, char *psz_cwd, char *p_in, int i_in,
835 char **pp_data, int *pi_data )
845 if ( (i_child_pid = fork()) == -1 )
847 msg_Err( p_object, "unable to fork (%s)", strerror(errno) );
851 if ( i_child_pid == 0 )
863 if ( psz_cwd != NULL )
865 execve( ppsz_argv[0], ppsz_argv, ppsz_env );
872 close( pi_stdin[0] );
875 *pp_data = malloc( 1025 ); /* +1 for \0 */
877 while ( !p_object->b_die )
880 fd_set readfds, writefds;
884 FD_ZERO( &writefds );
885 FD_SET( pi_stdout[0], &readfds );
887 FD_SET( pi_stdin[0], &writefds );
892 i_ret = select( pi_stdin[0] > pi_stdout[0] ? pi_stdin[0] + 1 :
893 pi_stdout[0] + 1, &readfds, &writefds, NULL, &tv );
896 if ( FD_ISSET( pi_stdout[0], &readfds ) )
898 ssize_t i_read = read( pi_stdout[0], &(*pp_data)[*pi_data],
903 *pp_data = realloc( *pp_data, *pi_data + 1025 );
906 if ( FD_ISSET( pi_stdin[0], &writefds ) )
908 ssize_t i_write = write( pi_stdin[0], p_in, __MIN(i_in, 1024) );
916 close( pi_stdin[0] );
920 if ( waitpid( i_child_pid, &i_status, WNOHANG ) == i_child_pid )
922 if ( WIFEXITED( i_status ) )
924 if ( WEXITSTATUS( i_status ) )
927 "child %s returned with error code %d",
928 ppsz_argv[0], WEXITSTATUS( i_status ) );
933 if ( WIFSIGNALED( i_status ) )
936 "child %s quit on signal %d", ppsz_argv[0],
937 WTERMSIG( i_status ) );
941 close( pi_stdin[0] );
942 close( pi_stdout[0] );
946 if ( i_ret < 0 && errno != EINTR )
948 msg_Warn( p_object, "select failed (%s)", strerror(errno) );
952 #elif defined( WIN32 )
953 SECURITY_ATTRIBUTES saAttr;
954 PROCESS_INFORMATION piProcInfo;
955 STARTUPINFO siStartInfo;
956 BOOL bFuncRetn = FALSE;
957 HANDLE hChildStdinRd, hChildStdinWr, hChildStdoutRd, hChildStdoutWr;
959 char *psz_cmd, *p_env, *p;
963 /* Set the bInheritHandle flag so pipe handles are inherited. */
964 saAttr.nLength = sizeof(SECURITY_ATTRIBUTES);
965 saAttr.bInheritHandle = TRUE;
966 saAttr.lpSecurityDescriptor = NULL;
968 /* Create a pipe for the child process's STDOUT. */
969 if ( !CreatePipe( &hChildStdoutRd, &hChildStdoutWr, &saAttr, 0 ) )
971 msg_Err( p_object, "stdout pipe creation failed" );
975 /* Ensure the read handle to the pipe for STDOUT is not inherited. */
976 SetHandleInformation( hChildStdoutRd, HANDLE_FLAG_INHERIT, 0 );
978 /* Create a pipe for the child process's STDIN. */
979 if ( !CreatePipe( &hChildStdinRd, &hChildStdinWr, &saAttr, 0 ) )
981 msg_Err( p_object, "stdin pipe creation failed" );
985 /* Ensure the write handle to the pipe for STDIN is not inherited. */
986 SetHandleInformation( hChildStdinWr, HANDLE_FLAG_INHERIT, 0 );
988 /* Set up members of the PROCESS_INFORMATION structure. */
989 ZeroMemory( &piProcInfo, sizeof(PROCESS_INFORMATION) );
991 /* Set up members of the STARTUPINFO structure. */
992 ZeroMemory( &siStartInfo, sizeof(STARTUPINFO) );
993 siStartInfo.cb = sizeof(STARTUPINFO);
994 siStartInfo.hStdError = hChildStdoutWr;
995 siStartInfo.hStdOutput = hChildStdoutWr;
996 siStartInfo.hStdInput = hChildStdinRd;
997 siStartInfo.wShowWindow = SW_HIDE;
998 siStartInfo.dwFlags |= STARTF_USESTDHANDLES | STARTF_USESHOWWINDOW;
1000 /* Set up the command line. */
1001 psz_cmd = malloc(32768);
1004 ppsz_parser = &ppsz_argv[0];
1005 while ( ppsz_parser[0] != NULL && i_size > 0 )
1007 /* Protect the last argument with quotes ; the other arguments
1008 * are supposed to be already protected because they have been
1009 * passed as a command-line option. */
1010 if ( ppsz_parser[1] == NULL )
1012 strncat( psz_cmd, "\"", i_size );
1015 strncat( psz_cmd, *ppsz_parser, i_size );
1016 i_size -= strlen( *ppsz_parser );
1017 if ( ppsz_parser[1] == NULL )
1019 strncat( psz_cmd, "\"", i_size );
1022 strncat( psz_cmd, " ", i_size );
1027 /* Set up the environment. */
1028 p = p_env = malloc(32768);
1030 ppsz_parser = &ppsz_env[0];
1031 while ( *ppsz_parser != NULL && i_size > 0 )
1033 memcpy( p, *ppsz_parser,
1034 __MIN((int)(strlen(*ppsz_parser) + 1), i_size) );
1035 p += strlen(*ppsz_parser) + 1;
1036 i_size -= strlen(*ppsz_parser) + 1;
1041 /* Create the child process. */
1042 bFuncRetn = CreateProcess( NULL,
1043 psz_cmd, // command line
1044 NULL, // process security attributes
1045 NULL, // primary thread security attributes
1046 TRUE, // handles are inherited
1047 0, // creation flags
1050 &siStartInfo, // STARTUPINFO pointer
1051 &piProcInfo ); // receives PROCESS_INFORMATION
1056 if ( bFuncRetn == 0 )
1058 msg_Err( p_object, "child creation failed" );
1062 /* Read from a file and write its contents to a pipe. */
1063 while ( i_in > 0 && !p_object->b_die )
1066 if ( !WriteFile( hChildStdinWr, p_in, i_in, &i_written, NULL ) )
1072 /* Close the pipe handle so the child process stops reading. */
1073 CloseHandle(hChildStdinWr);
1075 /* Close the write end of the pipe before reading from the
1076 * read end of the pipe. */
1077 CloseHandle(hChildStdoutWr);
1079 /* Read output from the child process. */
1081 *pp_data = malloc( 1025 ); /* +1 for \0 */
1083 while ( !p_object->b_die )
1086 if ( !ReadFile( hChildStdoutRd, &(*pp_data)[*pi_data], 1024, &i_read,
1091 *pp_data = realloc( *pp_data, *pi_data + 1025 );
1094 while ( !p_object->b_die
1095 && !GetExitCodeProcess( piProcInfo.hProcess, &i_status )
1096 && i_status != STILL_ACTIVE )
1099 CloseHandle(piProcInfo.hProcess);
1100 CloseHandle(piProcInfo.hThread);
1104 "child %s returned with error code %ld",
1105 ppsz_argv[0], i_status );
1108 msg_Err( p_object, "vlc_execve called but no implementation is available" );
1113 (*pp_data)[*pi_data] = '\0';