ali@0: #include <stdlib.h>
ali@0: #include <stdio.h>
ali@0: #ifndef WIN32
ali@0: #include <sys/wait.h>
ali@0: #endif
ali@5: #include <bl/bl.h>
ali@0: 
ali@0: #define SPAWN_BUFSIZE	128
ali@0: 
ali@9: gboolean spawn_sync(const char *working_directory,char **argv,
ali@9:   char **standard_output,int *exit_status,GError **error)
ali@0: {
ali@0: /* Don't use g_spawn_sync on WIN32 for now to avoid needing the helper */
ali@6: #ifndef WIN32
ali@7:     char *standard_error=NULL;
ali@0:     gboolean retval;
ali@0:     GSpawnFlags flags=G_SPAWN_SEARCH_PATH;
ali@0:     if (!standard_output)
ali@0: 	flags=G_SPAWN_STDOUT_TO_DEV_NULL;
ali@9:     retval=g_spawn_sync(working_directory,argv,NULL,flags,NULL,NULL,
ali@9:       standard_output,&standard_error,exit_status,error);
ali@7:     if (standard_error)
ali@11: 	g_printerr("%s",standard_error);
ali@0:     g_free(standard_error);
ali@7:     if (retval && exit_status)
ali@0: 	*exit_status=WEXITSTATUS(*exit_status);
ali@0:     return retval;
ali@0: #else
ali@0:     FILE *fp;
ali@0:     int i,r;
ali@0:     size_t n,len;
ali@9:     char *current_dir;
ali@6:     GString *command_line,*string;
ali@9:     if (working_directory)
ali@9:     {
ali@9: 	current_dir=g_get_current_dir();
ali@9: 	if (g_chdir(working_directory)<0)
ali@9: 	{
ali@9: 	    g_set_error(error,G_FILE_ERROR,g_file_error_from_errno(errno),
ali@9: 	      "%s: %s",working_directory,g_strerror(errno));
ali@9: 	    g_free(current_dir);
ali@9: 	    return FALSE;
ali@9: 	}
ali@9:     }
ali@9:     else
ali@9: 	current_dir=NULL;
ali@6:     command_line=g_string_new(NULL);
ali@0:     for(i=0;argv[i];i++)
ali@0:     {
ali@0: 	if (i)
ali@6: 	    g_string_append_c(command_line,' ');
ali@6: 	g_string_append(command_line,argv[i]);
ali@0:     }
ali@0:     fp=popen(command_line->str,"r");
ali@6:     g_string_free(command_line,TRUE);
ali@9:     if (current_dir)
ali@9:     {
ali@9: 	if (g_chdir(current_dir)<0)
ali@9: 	    g_error("Failed to restore current directory: %s",
ali@9: 	      g_strerror(errno));
ali@9: 	g_free(current_dir);
ali@9:     }
ali@0:     if (!fp)
ali@0:     {
ali@7: 	g_set_error(error,G_FILE_ERROR,g_file_error_from_errno(errno),
ali@7: 	  "%s: %s",command_line->str,g_strerror(errno));
ali@0: 	return FALSE;
ali@0:     }
ali@6:     string=g_string_new(NULL);
ali@0:     do
ali@0:     {
ali@0: 	len=string->len;
ali@6: 	g_string_set_size(string,len+SPAWN_BUFSIZE);
ali@0: 	n=fread(string->str+len,1,SPAWN_BUFSIZE,fp);
ali@0: 	if (n<0)
ali@0: 	{
ali@7: 	    g_set_error(error,G_FILE_ERROR,g_file_error_from_errno(errno),
ali@7: 	      "Error reading from bookloupe: %s",g_strerror(errno));
ali@0: 	    (void)pclose(fp);
ali@6: 	    g_string_free(string,TRUE);
ali@0: 	    return FALSE;
ali@0: 	}
ali@6: 	g_string_set_size(string,len+n);
ali@0:     } while(n);
ali@0:     r=pclose(fp);
ali@0:     if (r<0)
ali@0:     {
ali@7: 	g_set_error(error,G_FILE_ERROR,g_file_error_from_errno(errno),
ali@7: 	  "Error reading from bookloupe: %s",g_strerror(errno));
ali@6: 	g_string_free(string,TRUE);
ali@0: 	return FALSE;
ali@0:     }
ali@0:     else
ali@0:     {
ali@0: 	if (exit_status)
ali@0: 	    *exit_status=r;
ali@0: 	if (standard_output)
ali@6: 	    *standard_output=g_string_free(string,FALSE);
ali@0: 	else
ali@6: 	    g_string_free(string,TRUE);
ali@0: 	return TRUE;
ali@0:     }
ali@0: #endif
ali@0: }