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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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/****************************************************************************
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Add all options from files named "group".cnf from the default_directories
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#include "drizzled/internal/my_sys.h"
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#include "drizzled/internal/m_string.h"
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#include "drizzled/charset_info.h"
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#include "drizzled/typelib.h"
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#include <drizzled/configmake.h>
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#include <drizzled/gettext.h>
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TYPELIB *group= ctx->group;
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if (!(extra_groups=
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(const char**)ctx->alloc->alloc_root(
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(const char**)alloc_root(ctx->alloc,
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(2*group->count+1)*sizeof(char*))))
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extra_groups[i]= group->type_names[i]; /** copy group */
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len= strlen(extra_groups[i]);
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if (!(ptr= (char *)ctx->alloc->alloc_root( len+instance_len+1)))
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if (!(ptr= (char *)alloc_root(ctx->alloc, len+instance_len+1)))
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extra_groups[i+group->count]= ptr;
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if (ctx->group->find_type(const_cast<char*>(group_name), 3))
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if (find_type((char *)group_name, ctx->group, 3))
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if (!(tmp= (char *)ctx->alloc->alloc_root(strlen(option) + 1)))
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if (!(tmp= (char *)alloc_root(ctx->alloc, strlen(option) + 1)))
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if (insert_dynamic(ctx->args, (unsigned char*) &tmp))
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int org_argc= argc, prev_argc= 0;
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*defaults= *extra_defaults= *group_suffix= 0;
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const std::string DEFAULTS_FILE("--defaults-file=");
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const std::string DEFAULTS_EXTRA_FILE("--defaults-extra-file=");
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const std::string DEFAULTS_GROUP_SUFFIX("--defaults-group-suffix=");
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while (argc >= 2 && argc != prev_argc)
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/* Skip program name or previously handled argument */
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prev_argc= argc; /* To check if we found */
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if (!*defaults && (strncmp(*argv,
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DEFAULTS_FILE.c_str(),
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DEFAULTS_FILE.size()) == 0))
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if (!*defaults && (strncmp(*argv,"--defaults-file=", sizeof("--defaults-file=")) == 0))
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*defaults= *argv + DEFAULTS_FILE.size();
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*defaults= *argv + sizeof("--defaults-file=")-1;
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if (!*extra_defaults && (strncmp(*argv,
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DEFAULTS_EXTRA_FILE.c_str(),
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DEFAULTS_EXTRA_FILE.size()) == 0))
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if (!*extra_defaults && (strncmp(*argv, "--defaults-extra-file=", sizeof("--defaults-extra-file=")) == 0))
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*extra_defaults= *argv + DEFAULTS_EXTRA_FILE.size();
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*extra_defaults= *argv + sizeof("--defaults-extra-file=")-1;
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if (!*group_suffix && (strncmp(*argv,
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DEFAULTS_GROUP_SUFFIX.c_str(),
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DEFAULTS_GROUP_SUFFIX.size()) == 0))
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if (!*group_suffix && (strncmp(*argv, "--defaults-group-suffix=", sizeof("--defaults-group-suffix=")) == 0))
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*group_suffix= *argv + DEFAULTS_GROUP_SUFFIX.size();
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*group_suffix= *argv + sizeof("--defaults-group-suffix=")-1;
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DYNAMIC_ARRAY args;
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bool found_print_defaults= 0;
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uint32_t args_used= 0;
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memory::Root alloc(512);
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struct handle_option_ctx ctx;
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init_default_directories();
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init_alloc_root(&alloc,512);
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Check if the user doesn't want any default option processing
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--no-defaults is always the first option
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/* remove the --no-defaults argument and return only the other arguments */
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if (!(ptr=(char*) alloc.alloc_root(sizeof(alloc)+ (*argc + 1)*sizeof(char*))))
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if (!(ptr=(char*) alloc_root(&alloc,sizeof(alloc)+
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(*argc + 1)*sizeof(char*))))
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res= (char**) (ptr+sizeof(alloc));
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memset(res,0,(*argc + 1));
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Here error contains <> 0 only if we have a fully specified conf_file
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or a forced default file
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if (!(ptr=(char*) alloc.alloc_root(sizeof(alloc)+ (args.elements + *argc +1) *sizeof(char*))))
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if (!(ptr=(char*) alloc_root(&alloc,sizeof(alloc)+
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(args.elements + *argc +1) *sizeof(char*))))
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res= (char**) (ptr+sizeof(alloc));
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Check if we wan't to see the new argument list
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This options must always be the last of the default options
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if (*argc >= 2 && !strcmp(argv[0][1],"--print-defaults"))
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found_print_defaults=1;
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--*argc; ++*argv; /* skip argument */
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memcpy(res+1+args.elements, *argv + 1, (*argc-1)*sizeof(char*));
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res[args.elements+ *argc]=0; /* last null */
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*argv= static_cast<char**>(res);
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*(memory::Root*) ptr= alloc; /* Save alloc root for free */
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delete_dynamic(&args);
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if (found_print_defaults)
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printf("%s would have been started with the following arguments:\n",
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for (i=1 ; i < *argc ; i++)
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printf("%s ", (*argv)[i]);
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puts("\nThe following options may be given as the first argument:\n\
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--print-defaults Print the program argument list and exit\n\
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--no-defaults Don't read default options from any options file\n\
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--defaults-file=# Only read default options from the given file #\n\
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--defaults-extra-file=# Read this file after the global files are read");
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This extra complexity is to avoid declaring 'rc' if it won't be
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static void add_directory(const char* dir)
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array_append_string_unique(dir, default_directories, array_elements(default_directories));
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static void add_common_directories()
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const char *env= getenv("DRIZZLE_HOME");
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// Placeholder for --defaults-extra-file=<path>
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#define ADD_DIRECTORY(DIR) (void) array_append_string_unique((DIR), default_directories, \
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array_elements(default_directories))
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#define ADD_COMMON_DIRECTORIES() \
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if ((env= getenv("DRIZZLE_HOME"))) \
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ADD_DIRECTORY(env); \
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/* Placeholder for --defaults-extra-file=<path> */ \
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Initialize default directories for Unix
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static void init_default_directories(void)
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memset(default_directories, 0, sizeof(default_directories));
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add_directory("/etc/");
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add_directory("/etc/drizzle/");
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add_directory(SYSCONFDIR);
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add_common_directories();
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ADD_DIRECTORY("/etc/");
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ADD_DIRECTORY("/etc/drizzle/");
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ADD_DIRECTORY(SYSCONFDIR);
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ADD_COMMON_DIRECTORIES();
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} /* namespace internal */