bookloupe: bl/spawn.c@faab25d520dd

     1 #include <stdlib.h>

     2 #include <stdio.h>

     3 #ifndef WIN32

     4 #include <sys/wait.h>

     5 #endif

     6 #include <bl/bl.h>

     8 #define SPAWN_BUFSIZE	128

    10 gboolean spawn_sync(char **argv,char **standard_output,int *exit_status)

    11 {

    12 /* Don't use g_spawn_sync on WIN32 for now to avoid needing the helper */

    13 #ifndef WIN32

    14     char *standard_error;

    15     GError *error=NULL;

    16     gboolean retval;

    17     GSpawnFlags flags=G_SPAWN_SEARCH_PATH;

    18     if (!standard_output)

    19 	flags=G_SPAWN_STDOUT_TO_DEV_NULL;

    20     retval=g_spawn_sync(NULL,argv,NULL,flags,NULL,NULL,standard_output,

    21       &standard_error,exit_status,&error);

    22     fputs(standard_error,stderr);

    23     g_free(standard_error);

    24     if (!retval)

    25     {

    26 	fprintf(stderr,"%s\n",error->message);

    27 	g_error_free(error);

    28     }

    29     else if (exit_status)

    30 	*exit_status=WEXITSTATUS(*exit_status);

    31     return retval;

    32 #else

    33     FILE *fp;

    34     int i,r;

    35     size_t n,len;

    36     GString *command_line,*string;

    37     command_line=g_string_new(NULL);

    38     for(i=0;argv[i];i++)

    39     {

    40 	if (i)

    41 	    g_string_append_c(command_line,' ');

    42 	g_string_append(command_line,argv[i]);

    43     }

    44     fp=popen(command_line->str,"r");

    45     g_string_free(command_line,TRUE);

    46     if (!fp)

    47     {

    48 	perror(command_line->str);

    49 	return FALSE;

    50     }

    51     string=g_string_new(NULL);

    52     do

    53     {

    54 	len=string->len;

    55 	g_string_set_size(string,len+SPAWN_BUFSIZE);

    56 	n=fread(string->str+len,1,SPAWN_BUFSIZE,fp);

    57 	if (n<0)

    58 	{

    59 	    perror("fread");

    60 	    (void)pclose(fp);

    61 	    g_string_free(string,TRUE);

    62 	    return FALSE;

    63 	}

    64 	g_string_set_size(string,len+n);

    65     } while(n);

    66     r=pclose(fp);

    67     if (r<0)

    68     {

    69 	perror("pclose");

    70 	g_string_free(string,TRUE);

    71 	return FALSE;

    72     }

    73     else

    74     {

    75 	if (exit_status)

    76 	    *exit_status=r;

    77 	if (standard_output)

    78 	    *standard_output=g_string_free(string,FALSE);

    79 	else

    80 	    g_string_free(string,TRUE);

    81 	return TRUE;

    82     }

    83 #endif

    84 }

author	ali <ali@juiblex.co.uk>
	Fri Jan 27 16:18:02 2012 +0000 (2012-01-27)
changeset 6	faab25d520dd
parent 5	f600b0d1fc5d
child 7	721e468c10f3
permissions	-rw-r--r--