void my_print_default_files(const char *conf_file)
{
const char *empty_list[]= { "", 0 };
my_bool have_ext= fn_ext(conf_file)[0] != 0;
const char **exts_to_use= have_ext ? empty_list : f_extensions;
char name[FN_REFLEN], **ext;
puts("\nDefault options are read from the following files in the given order:");
if (dirname_length(conf_file))
fputs(conf_file,stdout);
else
{
const char **dirs;
MEM_ROOT alloc;
init_alloc_root(&alloc, 512, 0, MYF(0));
if ((dirs= init_default_directories(&alloc)) == NULL)
{
fputs("Internal error initializing default directories list", stdout);
}
else
{
for ( ; *dirs; dirs++)
{
for (ext= (char**) exts_to_use; *ext; ext++)
{
const char *pos;
char *end;
if (**dirs)
pos= *dirs;
else if (my_defaults_extra_file)
pos= my_defaults_extra_file;
else
continue;
end= convert_dirname(name, pos, NullS);
if (name[0] == FN_HOMELIB) /* Add . to filenames in home */
*end++= '.';
strxmov(end, conf_file, *ext, " ", NullS);
fputs(name, stdout);
}
}
}
free_root(&alloc, MYF(0));
}
puts("");
}
void my_print_default_files(const char *conf_file)
{
const char *empty_list[]= { "", 0 };
my_bool have_ext= fn_ext(conf_file)[0] != 0;
const char **exts_to_use= have_ext ? empty_list : f_extensions;
char name[FN_REFLEN], **ext;
const char **dirs;
init_default_directories();
puts("\nDefault options are read from the following files in the given order:");
if (dirname_length(conf_file))
fputs(conf_file,stdout);
else
{
for (dirs=default_directories ; *dirs; dirs++)
{
for (ext= (char**) exts_to_use; *ext; ext++)
{
const char *pos;
char *end;
if (**dirs)
pos= *dirs;
else if (my_defaults_extra_file)
pos= my_defaults_extra_file;
else
continue;
end= convert_dirname(name, pos, NullS);
if (name[0] == FN_HOMELIB) /* Add . to filenames in home */
*end++='.';
strxmov(end, conf_file, *ext, " ", NullS);
fputs(name,stdout);
}
}
}
puts("");
}
int my_load_defaults(const char *conf_file, const char **groups,
int *argc, char ***argv, const char ***default_directories)
{
DYNAMIC_ARRAY args;
TYPELIB group;
my_bool found_print_defaults= 0;
uint args_used= 0;
int error= 0;
MEM_ROOT alloc;
char *ptr,**res;
struct handle_option_ctx ctx;
const char **dirs;
uint args_sep= my_getopt_use_args_separator ? 1 : 0;
DBUG_ENTER("load_defaults");
init_alloc_root(&alloc, 512, 0, MYF(0));
if ((dirs= init_default_directories(&alloc)) == NULL)
goto err;
/*
Check if the user doesn't want any default option processing
--no-defaults is always the first option
*/
if (*argc >= 2 && !strcmp(argv[0][1],"--no-defaults"))
{
/* remove the --no-defaults argument and return only the other arguments */
uint i, j;
if (!(ptr=(char*) alloc_root(&alloc,sizeof(alloc)+
(*argc + 1)*sizeof(char*))))
goto err;
res= (char**) (ptr+sizeof(alloc));
res[0]= **argv; /* Copy program name */
j= 1; /* Start from 1 for the reset result args */
if (my_getopt_use_args_separator)
{
/* set arguments separator */
set_args_separator(&res[1]);
j++;
}
for (i=2 ; i < (uint) *argc ; i++, j++)
res[j]=argv[0][i];
res[j]=0; /* End pointer */
/*
Update the argc, if have not added args separator, then we have
to decrease argc because we have removed the "--no-defaults".
*/
if (!my_getopt_use_args_separator)
(*argc)--;
*argv=res;
*(MEM_ROOT*) ptr= alloc; /* Save alloc root for free */
if (default_directories)
*default_directories= dirs;
DBUG_RETURN(0);
}
group.count=0;
group.name= "defaults";
group.type_names= groups;
for (; *groups ; groups++)
group.count++;
if (my_init_dynamic_array(&args, sizeof(char*),*argc, 32, MYF(0)))
goto err;
ctx.alloc= &alloc;
ctx.args= &args;
ctx.group= &group;
error= my_search_option_files(conf_file, argc, argv, &args_used,
handle_default_option, (void *) &ctx,
dirs);
/*
Here error contains <> 0 only if we have a fully specified conf_file
or a forced default file
*/
if (!(ptr=(char*) alloc_root(&alloc,sizeof(alloc)+
(args.elements + *argc + 1 + args_sep) *sizeof(char*))))
goto err;
res= (char**) (ptr+sizeof(alloc));
/* copy name + found arguments + command line arguments to new array */
res[0]= argv[0][0]; /* Name MUST be set, even by embedded library */
memcpy((uchar*) (res+1), args.buffer, args.elements*sizeof(char*));
/* Skip --defaults-xxx options */
(*argc)-= args_used;
(*argv)+= args_used;
/*
Check if we wan't to see the new argument list
This options must always be the last of the default options
*/
if (*argc >= 2 && !strcmp(argv[0][1],"--print-defaults"))
{
found_print_defaults=1;
--*argc; ++*argv; /* skip argument */
}
if (my_getopt_use_args_separator)
{
/* set arguments separator for arguments from config file and
command line */
set_args_separator(&res[args.elements+1]);
}
if (*argc)
memcpy((uchar*) (res+1+args.elements+args_sep), (char*) ((*argv)+1),
(*argc-1)*sizeof(char*));
res[args.elements+ *argc+args_sep]=0; /* last null */
(*argc)+=args.elements+args_sep;
*argv= (char**) res;
*(MEM_ROOT*) ptr= alloc; /* Save alloc root for free */
delete_dynamic(&args);
if (found_print_defaults)
{
int i;
printf("%s would have been started with the following arguments:\n",
**argv);
for (i=1 ; i < *argc ; i++)
if (!my_getopt_is_args_separator((*argv)[i])) /* skip arguments separator */
printf("%s ", (*argv)[i]);
puts("");
exit(0);
}
if (error == 0 && default_directories)
*default_directories= dirs;
DBUG_RETURN(error);
err:
fprintf(stderr,"Fatal error in defaults handling. Program aborted\n");
exit(1);
return 0; /* Keep compiler happy */
}
