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|
/*
* Copyright (C) 1997-2002, Michael Jennings
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies of the Software, its documentation and marketing & publicity
* materials, and acknowledgment shall be given in the documentation, materials
* and software packages that this Software was used.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef _LIBAST_H_
#define _LIBAST_H_
/* This GNU goop has to go before the system headers */
#ifdef __GNUC__
# ifndef __USE_GNU
# define __USE_GNU
# endif
# ifndef _GNU_SOURCE
# define _GNU_SOURCE
# endif
# ifndef _BSD_SOURCE
# define _BSD_SOURCE
# endif
# ifndef _XOPEN_SOURCE
/* FIXME -- Do some systems still need this? */
/* # define _XOPEN_SOURCE */
# endif
#endif
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <unistd.h>
#include <ctype.h>
#include <string.h>
#include <fcntl.h>
#include <dirent.h>
#include <errno.h>
#include <signal.h>
#include <limits.h>
#ifdef TIME_WITH_SYS_TIME
# include <sys/time.h>
#endif
#ifdef WITH_DMALLOC
# include <dmalloc.h>
#elif defined(HAVE_MALLOC_H)
# include <malloc.h>
#endif
#include <netdb.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <sys/un.h>
#include <arpa/inet.h>
#include <netinet/tcp.h>
#include <netinet/udp.h>
#ifdef LIBAST_X11_SUPPORT
# include <X11/Xatom.h>
# include <X11/X.h>
# include <X11/Intrinsic.h>
# ifdef LIBAST_IMLIB2_SUPPORT
# include <Imlib2.h>
# endif
#endif
#ifdef LIBAST_REGEXP_SUPPORT_PCRE
# ifdef HAVE_PCRE_H
# include <pcre.h>
# elif HAVE_PCRE_PCRE_H
# include <pcre/pcre.h>
# endif
#elif defined(LIBAST_REGEXP_SUPPORT_POSIX) || defined(LIBAST_REGEXP_SUPPORT_BSD)
# ifdef HAVE_REGEX_H
# include <regex.h>
# endif
# ifdef LIBAST_REGEXP_SUPPORT_BSD
extern char *re_comp();
extern int re_exec();
# endif
#endif
#include <libast/types.h>
#include <libast/obj.h>
#include <libast/regexp.h>
#include <libast/socket.h>
#include <libast/str.h>
#include <libast/tok.h>
#include <libast/url.h>
#include <libast/list_if.h>
#include <libast/vector_if.h>
#include <libast/array.h>
#include <libast/linked_list.h>
#include <libast/dlinked_list.h>
#include <libast/avl_tree.h>
/******************************* GENERIC GOOP *********************************/
#define USE_VAR(x) (void) x
#ifdef MIN
# undef MIN
#endif
#ifdef MAX
# undef MAX
#endif
#ifdef __GNUC__
# define MIN(a,b) __extension__ ({__typeof__(a) aa = (a); __typeof__(b) bb = (b); (aa < bb) ? (aa) : (bb);})
# define MAX(a,b) __extension__ ({__typeof__(a) aa = (a); __typeof__(b) bb = (b); (aa > bb) ? (aa) : (bb);})
# define LOWER_BOUND(current, other) __extension__ ({__typeof__(other) o = (other); ((current) < o) ? ((current) = o) : (current);})
# define UPPER_BOUND(current, other) __extension__ ({__typeof__(other) o = (other); ((current) > o) ? ((current) = o) : (current);})
# define BOUND(val, min, max) __extension__ ({__typeof__(min) m1 = (min); __typeof__(max) m2 = (max); ((val) < m1) ? ((val) = m1) : (((val) > m2) ? ((val) = m2) : (val));})
#else
# define MIN(a,b) (((a) < (b)) ? (a) : (b))
# define MAX(a,b) (((a) > (b)) ? (a) : (b))
# define LOWER_BOUND(current, other) (((current) < (other)) ? ((current) = (other)) : (current))
# define UPPER_BOUND(current, other) (((current) > (other)) ? ((current) = (other)) : (current))
# define BOUND(val, min, max) (((val) < (min)) ? ((val) = (min)) : (((val) > (max)) ? ((val) = (max)) : (val)))
#endif
#define AT_LEAST(current, other) LOWER_BOUND(current, other)
#define MAX_IT(current, other) LOWER_BOUND(current, other)
#define AT_MOST(current, other) UPPER_BOUND(current, other)
#define MIN_IT(current, other) UPPER_BOUND(current, other)
#define CONTAIN(val, min, max) BOUND(val, min, max)
#define SWAP_IT(one, two, tmp) do {(tmp) = (one); (one) = (two); (two) = (tmp);} while (0)
/****************************** DEBUGGING GOOP ********************************/
#ifndef LIBAST_DEBUG_FD
# define LIBAST_DEBUG_FD (stderr)
#endif
#ifndef DEBUG
# define DEBUG 0
#endif
#define DEBUG_LEVEL (libast_debug_level)
#define DEBUG_FLAGS (libast_debug_flags)
/* A NOP. Does nothing. */
#define NOP ((void)0)
/* A macro and an #define to FIXME-ize individual calls or entire code blocks. */
#define FIXME_NOP(x)
#define FIXME_BLOCK 0
/* An "unused block" marker similar to the above. */
#define UNUSED_BLOCK 0
/* The basic debugging output leader. */
#if defined(__FILE__) && defined(__LINE__)
# ifdef __GNUC__
# define __DEBUG() fprintf(LIBAST_DEBUG_FD, "[%lu] %12s | %4d: %s(): ", (unsigned long) time(NULL), __FILE__, __LINE__, __FUNCTION__)
# else
# define __DEBUG() fprintf(LIBAST_DEBUG_FD, "[%lu] %12s | %4d: ", (unsigned long) time(NULL), __FILE__, __LINE__)
# endif
#else
# define __DEBUG() NOP
#endif
/* A quick and dirty macro to say, "Hi! I got here without crashing!" */
#define MOO() do {__DEBUG(); libast_dprintf("Moo.\n");} while (0)
/* Assertion/abort macros which are quite a bit more useful than assert() and abort(). These are defined
differently based on the use of gcc, the presence of __FILE__ and __LINE__, and the DEBUG setting. */
#if DEBUG >= 1
# if defined(__FILE__) && defined(__LINE__)
# ifdef __GNUC__
# define ASSERT(x) do {if (!(x)) {if (DEBUG_LEVEL>=1) {fatal_error("ASSERT failed in %s() at %s:%d: %s\n", __FUNCTION__, __FILE__, __LINE__, #x);} \
else {print_warning("ASSERT failed in %s() at %s:%d: %s\n", __FUNCTION__, __FILE__, __LINE__, #x); return;}}} while (0)
# define ASSERT_RVAL(x, val) do {if (!(x)) {if (DEBUG_LEVEL>=1) {fatal_error("ASSERT failed in %s() at %s:%d: %s\n", __FUNCTION__, __FILE__, __LINE__, #x);} \
else {print_warning("ASSERT failed in %s() at %s:%d: %s\n", __FUNCTION__, __FILE__, __LINE__, #x);} \
return (val);}} while (0)
# define ASSERT_NOTREACHED() do {if (DEBUG_LEVEL>=1) {fatal_error("ASSERT failed in %s() at %s:%d: This code should not be reached.\n", __FUNCTION__, __FILE__, __LINE__);} \
else {print_warning("ASSERT failed in %s() at %s:%d: This code should not be reached.\n", __FUNCTION__, __FILE__, __LINE__);} \
} while (0)
# define ASSERT_NOTREACHED_RVAL(val) do {if (DEBUG_LEVEL>=1) {fatal_error("ASSERT failed in %s() at %s:%d: This code should not be reached.\n", __FUNCTION__, __FILE__, __LINE__);} \
else {print_warning("ASSERT failed in %s() at %s:%d: This code should not be reached.\n", __FUNCTION__, __FILE__, __LINE__);} \
return (val);} while (0)
# define ABORT() fatal_error("Aborting in %s() at %s:%d.\n", __FUNCTION__, __FILE__, __LINE__)
# else
# define ASSERT(x) do {if (!(x)) {if (DEBUG_LEVEL>=1) {fatal_error("ASSERT failed at %s:%d: %s\n", __FILE__, __LINE__, #x);} \
else {print_warning("ASSERT failed at %s:%d: %s\n", __FILE__, __LINE__, #x); return;}}} while (0)
# define ASSERT_RVAL(x, val) do {if (!(x)) {if (DEBUG_LEVEL>=1) {fatal_error("ASSERT failed at %s:%d: %s\n", __FILE__, __LINE__, #x);} \
else {print_warning("ASSERT failed at %s:%d: %s\n", __FILE__, __LINE__, #x);} \
return (val);}} while (0)
# define ASSERT_NOTREACHED() do {if (DEBUG_LEVEL>=1) {fatal_error("ASSERT failed at %s:%d: This code should not be reached.\n", __FILE__, __LINE__);} \
else {print_warning("ASSERT failed at %s:%d: This code should not be reached.\n", __FILE__, __LINE__);} \
} while (0)
# define ASSERT_NOTREACHED_RVAL(val) do {if (DEBUG_LEVEL>=1) {fatal_error("ASSERT failed at %s:%d: This code should not be reached.\n", __FILE__, __LINE__);} \
else {print_warning("ASSERT failed at %s:%d: This code should not be reached.\n", __FILE__, __LINE__);} \
return (val);} while (0)
# define ABORT() fatal_error("Aborting at %s:%d.\n", __FILE__, __LINE__)
# endif
# else
# define ASSERT(x) do {if (!(x)) {if (DEBUG_LEVEL>=1) {fatal_error("ASSERT failed: %s\n", #x);} \
else {print_warning("ASSERT failed: %s\n", #x); return;}}} while (0)
# define ASSERT_RVAL(x, val) do {if (!(x)) {if (DEBUG_LEVEL>=1) {fatal_error("ASSERT failed: %s\n", #x);} \
else {print_warning("ASSERT failed: %s\n", #x);} return (val);}} while (0)
# define ASSERT_NOTREACHED() return
# define ASSERT_NOTREACHED_RVAL(x) return (x)
# define ABORT() fatal_error("Aborting.\n")
# endif
# define REQUIRE(x) do {if (!(x)) {if (DEBUG_LEVEL>=1) {__DEBUG(); libast_dprintf("REQUIRE failed: %s\n", #x);} return;}} while (0)
# define REQUIRE_RVAL(x, v) do {if (!(x)) {if (DEBUG_LEVEL>=1) {__DEBUG(); libast_dprintf("REQUIRE failed: %s\n", #x);} return (v);}} while (0)
#else
# define ASSERT(x) NOP
# define ASSERT_RVAL(x, val) NOP
# define ASSERT_NOTREACHED() return
# define ASSERT_NOTREACHED_RVAL(val) return (val)
# define ABORT() fatal_error("Aborting.\n")
# define REQUIRE(x) do {if (!(x)) return;} while (0)
# define REQUIRE_RVAL(x, v) do {if (!(x)) return (v);} while (0)
#endif
#define NONULL(x) (((char *) (x)) ? ((char *) (x)) : ((char *) ("<" #x " null>")))
/* Macros for printing debugging messages */
#if DEBUG >= 1
# ifndef DPRINTF
# define DPRINTF(x) do { __DEBUG(); libast_dprintf x; } while (0)
# endif
# define DPRINTF1(x) do { if (DEBUG_LEVEL >= 1) {__DEBUG(); libast_dprintf x;} } while (0)
# define DPRINTF2(x) do { if (DEBUG_LEVEL >= 2) {__DEBUG(); libast_dprintf x;} } while (0)
# define DPRINTF3(x) do { if (DEBUG_LEVEL >= 3) {__DEBUG(); libast_dprintf x;} } while (0)
# define DPRINTF4(x) do { if (DEBUG_LEVEL >= 4) {__DEBUG(); libast_dprintf x;} } while (0)
# define DPRINTF5(x) do { if (DEBUG_LEVEL >= 5) {__DEBUG(); libast_dprintf x;} } while (0)
# define DPRINTF6(x) do { if (DEBUG_LEVEL >= 6) {__DEBUG(); libast_dprintf x;} } while (0)
# define DPRINTF7(x) do { if (DEBUG_LEVEL >= 7) {__DEBUG(); libast_dprintf x;} } while (0)
# define DPRINTF8(x) do { if (DEBUG_LEVEL >= 8) {__DEBUG(); libast_dprintf x;} } while (0)
# define DPRINTF9(x) do { if (DEBUG_LEVEL >= 9) {__DEBUG(); libast_dprintf x;} } while (0)
#else
# ifndef DPRINTF
# define DPRINTF(x) NOP
# endif
# define DPRINTF1(x) NOP
# define DPRINTF2(x) NOP
# define DPRINTF3(x) NOP
# define DPRINTF4(x) NOP
# define DPRINTF5(x) NOP
# define DPRINTF6(x) NOP
# define DPRINTF7(x) NOP
# define DPRINTF8(x) NOP
# define DPRINTF9(x) NOP
#endif
/* Use this for stuff that you only want turned on in dire situations */
#define D_NEVER(x) NOP
#define DEBUG_OPTIONS 1
#define D_OPTIONS(x) DPRINTF1(x)
#define DEBUG_OBJ 2
#define D_OBJ(x) DPRINTF2(x)
#define DEBUG_CONF 3
#define D_CONF(x) DPRINTF3(x)
#define DEBUG_MEM 5
#define D_MEM(x) DPRINTF5(x)
#define DEBUG_STRINGS 9999
#define D_STRINGS(x) D_NEVER(x)
#define DEBUG_PARSE 9999
#define D_PARSE(x) D_NEVER(x)
/********************************* MEM GOOP ***********************************/
#if (DEBUG >= DEBUG_MEM)
# define MALLOC(sz) libast_malloc(__FILE__, __LINE__, (sz))
# define CALLOC(type,n) libast_calloc(__FILE__, __LINE__, (n), (sizeof(type)))
# define REALLOC(mem,sz) libast_realloc(#mem, __FILE__, __LINE__, (mem), (sz))
# define FREE(ptr) do { libast_free(#ptr, __FILE__, __LINE__, (ptr)); (ptr) = NULL; } while (0)
# define STRDUP(s) libast_strdup(#s, __FILE__, __LINE__, (s))
# define MALLOC_DUMP() libast_dump_mem_tables()
# define X_CREATE_PIXMAP(d, win, w, h, depth) libast_x_create_pixmap(__FILE__, __LINE__, (d), (win), (w), (h), (depth))
# define X_FREE_PIXMAP(d, p) libast_x_free_pixmap(#p, __FILE__, __LINE__, (d), (p))
# ifdef HAVE_LIBIMLIB2
# define IMLIB_REGISTER_PIXMAP(p) libast_imlib_register_pixmap(#p, __FILE__, __LINE__, (p))
# define IMLIB_FREE_PIXMAP(p) libast_imlib_free_pixmap(#p, __FILE__, __LINE__, (p))
# else
# define IMLIB_REGISTER_PIXMAP(p) NOP
# define IMLIB_FREE_PIXMAP(p) NOP
# endif
# define PIXMAP_DUMP() libast_dump_pixmap_tables()
# define X_CREATE_GC(d, win, f, gcv) libast_x_create_gc(__FILE__, __LINE__, (d), (win), (f), (gcv))
# define X_FREE_GC(d, gc) libast_x_free_gc(#gc, __FILE__, __LINE__, (d), (gc))
# define GC_DUMP() libast_dump_gc_tables()
# define MALLOC_MOD 25
# define REALLOC_MOD 25
# define CALLOC_MOD 25
# define FREE_MOD 25
#else
# define MALLOC(sz) malloc(sz)
# define CALLOC(type,n) calloc((n),(sizeof(type)))
# define REALLOC(mem,sz) ((sz) ? ((mem) ? (realloc((mem), (sz))) : (malloc(sz))) : ((mem) ? (free(mem), NULL) : (NULL)))
# define FREE(ptr) do { free(ptr); (ptr) = NULL; } while (0)
# define STRDUP(s) strdup(s)
# define MALLOC_DUMP() NOP
# define X_CREATE_PIXMAP(d, win, w, h, depth) XCreatePixmap((d), (win), (w), (h), (depth))
# define X_FREE_PIXMAP(d, p) XFreePixmap((d), (p))
# ifdef HAVE_LIBIMLIB2
# define IMLIB_REGISTER_PIXMAP(p) NOP
# define IMLIB_FREE_PIXMAP(p) imlib_free_pixmap_and_mask(p)
# else
# define IMLIB_REGISTER_PIXMAP(p) NOP
# define IMLIB_FREE_PIXMAP(p) NOP
# endif
# define PIXMAP_DUMP() NOP
# define X_CREATE_GC(d, win, f, gcv) XCreateGC((d), (win), (f), (gcv))
# define X_FREE_GC(d, gc) XFreeGC((d), (gc))
# define GC_DUMP() NOP
#endif
/* Fast memset() macro contributed by vendu */
#if (SIZEOF_LONG == 8)
# define MEMSET_LONG() (l |= l<<32)
#else
# define MEMSET_LONG() NOP
#endif
#define MEMSET(s, c, count) do { \
char *end = (char *)(s) + (count); \
long l; \
long *l_dest = (long *)(s); \
char *c_dest; \
\
/* areas of less than 4 * sizeof(long) are set in 1-byte chunks. */ \
if (((unsigned long) count) >= 4 * sizeof(long)) { \
/* fill l with c. */ \
l = (c) | (c)<<8; \
l |= l<<16; \
MEMSET_LONG(); \
\
/* fill in 1-byte chunks until boundary of long is reached. */ \
if ((unsigned long)l_dest & (unsigned long)(sizeof(long) -1)) { \
c_dest = (char *)l_dest; \
while ((unsigned long)c_dest & (unsigned long)(sizeof(long) -1)) { \
*(c_dest++) = (c); \
} \
l_dest = (long *)c_dest; \
} \
\
/* fill in long-size chunks as long as possible. */ \
while (((unsigned long) (end - (char *)l_dest)) >= sizeof(long)) { \
*(l_dest++) = l; \
} \
} \
\
/* fill the tail in 1-byte chunks. */ \
if ((char *)l_dest < end) { \
c_dest = (char *)l_dest; \
*(c_dest++) = (c); \
while (c_dest < end) { \
*(c_dest++) = (c); \
} \
} \
} while (0)
/******************************* STRINGS GOOP *********************************/
#ifdef __GNUC__
# define SWAP(a, b) (void) __extension__ ({__typeof__(a) tmp = (a); (a) = (b); (b) = tmp;})
#else
# define SWAP(a, b) do {void *tmp = ((void *)(a)); (a) = (b); (b) = tmp;} while (0)
#endif
#define BINSWAP(a, b) (((long) (a)) ^= ((long) (b)) ^= ((long) (a)) ^= ((long) (b)))
#define CONST_STRLEN(x) (sizeof(x) - 1)
#define BEG_STRCASECMP(s, constr) (strncasecmp(s, constr, CONST_STRLEN(constr)))
/******************************** CONF GOOP ***********************************/
#if defined(PATH_MAX) && (PATH_MAX < 255)
# undef PATH_MAX
#endif
#ifndef PATH_MAX
# define PATH_MAX 255
#endif
#define CONFIG_BUFF 20480
#define CONF_BEGIN_CHAR ((char) 1)
#define CONF_BEGIN_STRING "\001"
#define CONF_END_CHAR ((char) 2)
#define CONF_END_STRING "\002"
#define BOOL_OPT_ISTRUE(s) (!strcasecmp((s), true_vals[0]) || !strcasecmp((s), true_vals[1]) \
|| !strcasecmp((s), true_vals[2]) || !strcasecmp((s), true_vals[3]))
#define BOOL_OPT_ISFALSE(s) (!strcasecmp((s), false_vals[0]) || !strcasecmp((s), false_vals[1]) \
|| !strcasecmp((s), false_vals[2]) || !strcasecmp((s), false_vals[3]))
/* The context table */
#define ctx_name_to_id(the_id, n, i) do { \
for ((i)=0; (i) <= ctx_idx; (i)++) { \
if (!strcasecmp((n), context[(i)].name)) { \
(the_id) = (i); \
break; \
} \
} \
if ((i) > ctx_idx) { \
print_error("Parsing file %s, line %lu: No such context \"%s\"\n", file_peek_path(), file_peek_line(), (n)); \
(the_id) = 0; \
} \
} while (0)
#define ctx_id_to_name(id) (context[(id)].name)
#define ctx_id_to_func(id) (context[(id)].handler)
/* The context state stack. This keeps track of the current context and each previous one. */
#define ctx_push(ctx) conf_register_context_state(ctx)
#define ctx_pop() (ctx_state_idx--)
#define ctx_peek() (ctx_state[ctx_state_idx])
#define ctx_peek_id() (ctx_state[ctx_state_idx].ctx_id)
#define ctx_peek_state() (ctx_state[ctx_state_idx].state)
#define ctx_peek_last_id() (ctx_state[(ctx_state_idx?ctx_state_idx-1:0)].ctx_id)
#define ctx_peek_last_state() (ctx_state[(ctx_state_idx?ctx_state_idx-1:0)].state)
#define ctx_poke_state(q) ((ctx_state[ctx_state_idx].state) = (q))
#define ctx_get_depth() (ctx_state_idx)
#define ctx_begin(idx) do { \
char *name; \
name = get_word(idx, buff); \
ctx_name_to_id(id, name, i); \
ctx_push(id); \
state = (*ctx_id_to_func(id))(CONF_BEGIN_STRING, ctx_peek_last_state()); \
ctx_poke_state(state); \
FREE(name); \
} while (0)
#define ctx_end() do { \
if (ctx_get_depth()) { \
state = (*ctx_id_to_func(id))(CONF_END_STRING, ctx_peek_state()); \
ctx_poke_state(NULL); \
ctx_pop(); \
id = ctx_peek_id(); \
ctx_poke_state(state); \
file_poke_skip(0); \
} \
} while (0)
/* The file state stack */
#define FILE_SKIP_TO_END (0x01)
#define FILE_PREPROC (0x02)
#define file_push(f, p, o, l, fl) conf_register_fstate(f, p, o, l, fl)
#define file_pop() (fstate_idx--)
#define file_peek() (fstate[fstate_idx])
#define file_peek_fp() (fstate[fstate_idx].fp)
#define file_peek_path() (fstate[fstate_idx].path)
#define file_peek_outfile() (fstate[fstate_idx].outfile)
#define file_peek_line() (fstate[fstate_idx].line)
#define file_peek_skip() (fstate[fstate_idx].flags & FILE_SKIP_TO_END)
#define file_peek_preproc() (fstate[fstate_idx].flags & FILE_PREPROC)
#define file_poke_fp(f) ((fstate[fstate_idx].fp) = (f))
#define file_poke_path(p) ((fstate[fstate_idx].path) = (p))
#define file_poke_outfile(o) ((fstate[fstate_idx].outfile) = (o))
#define file_poke_line(l) ((fstate[fstate_idx].line) = (l))
#define file_skip_to_end() ((fstate[fstate_idx].flags) |= (FILE_SKIP_TO_END))
#define file_poke_skip(s) do {if (s) {fstate[fstate_idx].flags |= FILE_SKIP_TO_END;} else {fstate[fstate_idx].flags &= ~(FILE_SKIP_TO_END);} } while (0)
#define file_poke_preproc(s) do {if (s) {fstate[fstate_idx].flags |= FILE_PREPROC;} else {fstate[fstate_idx].flags &= ~(FILE_PREPROC);} } while (0)
#define file_poke(f, p, o, l, fl) do {file_poke_fp(f); file_poke_path(p); file_poke_outfile(o); file_poke_line(l); fstate[fstate_idx].flags = (fl);} while (0)
#define file_inc_line() (fstate[fstate_idx].line++)
/* Contexts */
typedef void * (*ctx_handler_t)(char *, void *);
typedef struct context_struct {
char *name;
ctx_handler_t handler;
} ctx_t;
typedef struct ctx_state_struct {
unsigned char ctx_id;
void *state;
} ctx_state_t;
/* Parser states */
typedef struct file_state_struct {
FILE *fp;
char *path, *outfile;
unsigned long line;
unsigned char flags;
} fstate_t;
/* Built-in functions */
typedef char * (*conf_func_ptr_t) (char *);
typedef struct conf_func_struct {
char *name;
conf_func_ptr_t ptr;
} conf_func_t;
typedef struct conf_var_struct {
char *var, *value;
struct conf_var_struct *next;
} conf_var_t;
extern fstate_t *fstate;
extern unsigned char fstate_idx;
extern const char *true_vals[], *false_vals[];
/******************************* OPTIONS GOOP **********************************/
/* Flags for individual options */
#define SPIFOPT_FLAG_NONE (0)
#define SPIFOPT_FLAG_BOOLEAN (1UL << 0)
#define SPIFOPT_FLAG_TYPEMASK_NOVALUE (SPIFOPT_FLAG_BOOLEAN)
#define SPIFOPT_FLAG_INTEGER (1UL << 1)
#define SPIFOPT_FLAG_STRING (1UL << 2)
#define SPIFOPT_FLAG_ARGLIST (1UL << 3)
#define SPIFOPT_FLAG_ABSTRACT (1UL << 4)
#define SPIFOPT_FLAG_TYPEMASK_VALUE (SPIFOPT_FLAG_INTEGER | SPIFOPT_FLAG_STRING | SPIFOPT_FLAG_ARGLIST | SPIFOPT_FLAG_ABSTRACT)
#define SPIFOPT_FLAG_TYPEMASK (SPIFOPT_FLAG_TYPEMASK_NOVALUE | SPIFOPT_FLAG_TYPEMASK_VALUE)
#define SPIFOPT_FLAG_PREPARSE (1UL << 8)
#define SPIFOPT_FLAG_DEPRECATED (1UL << 9)
/* Flags that control the parser's behavior */
#define SPIFOPT_SETTING_POSTPARSE (1UL << 0)
#define SPIFOPT_OPTION(s, l, d, f, p, m) { s, l, d, (f), &(p), m }
#define SPIFOPT_BOOL(s, l, d, v, m) { s, l, d, (SPIFOPT_FLAG_BOOLEAN), &(v), m }
#define SPIFOPT_BOOL_PP(s, l, d, v, m) { s, l, d, (SPIFOPT_FLAG_BOOLEAN | SPIFOPT_FLAG_PREPARSE), &(v), m }
#define SPIFOPT_BOOL_LONG(l, d, v, m) { 0, l, d, (SPIFOPT_FLAG_BOOLEAN), &(v), m }
#define SPIFOPT_BOOL_LONG_PP(l, d, v, m) { 0, l, d, (SPIFOPT_FLAG_BOOLEAN | SPIFOPT_FLAG_PREPARSE), &(v), m }
#define SPIFOPT_INT(s, l, d, p) { s, l, d, (SPIFOPT_FLAG_INTEGER), &(p), 0 }
#define SPIFOPT_INT_PP(s, l, d, p) { s, l, d, (SPIFOPT_FLAG_INTEGER | SPIFOPT_FLAG_PREPARSE), &(p), 0 }
#define SPIFOPT_INT_LONG(l, d, p) { 0, l, d, (SPIFOPT_FLAG_INTEGER), &(p), 0 }
#define SPIFOPT_INT_LONG_PP(l, d, p) { 0, l, d, (SPIFOPT_FLAG_INTEGER | SPIFOPT_FLAG_PREPARSE), &(p), 0 }
#define SPIFOPT_STR(s, l, d, p) { s, l, d, (SPIFOPT_FLAG_STRING), &(p), 0 }
#define SPIFOPT_STR_PP(s, l, d, p) { s, l, d, (SPIFOPT_FLAG_STRING | SPIFOPT_FLAG_PREPARSE), &(p), 0 }
#define SPIFOPT_STR_LONG(l, d, p) { 0, l, d, (SPIFOPT_FLAG_STRING), &(p), 0 }
#define SPIFOPT_STR_LONG_PP(l, d, p) { 0, l, d, (SPIFOPT_FLAG_STRING | SPIFOPT_FLAG_PREPARSE), &(p), 0 }
#define SPIFOPT_ARGS(s, l, d, p) { s, l, d, (SPIFOPT_FLAG_ARGLIST), &(p), 0 }
#define SPIFOPT_ARGS_PP(s, l, d, p) { s, l, d, (SPIFOPT_FLAG_ARGLIST | SPIFOPT_FLAG_PREPARSE), &(p), 0 }
#define SPIFOPT_ARGS_LONG(l, d, p) { 0, l, d, (SPIFOPT_FLAG_ARGLIST), &(p), 0 }
#define SPIFOPT_ARGS_LONG_PP(l, d, p) { 0, l, d, (SPIFOPT_FLAG_ARGLIST | SPIFOPT_FLAG_PREPARSE), &(p), 0 }
#define SPIFOPT_ABST(s, l, d, f) { s, l, d, (SPIFOPT_FLAG_ABSTRACT), (f), 0 }
#define SPIFOPT_ABST_PP(s, l, d, f) { s, l, d, (SPIFOPT_FLAG_ABSTRACT | SPIFOPT_FLAG_PREPARSE), (f), 0 }
#define SPIFOPT_ABST_LONG(l, d, f) { 0, l, d, (SPIFOPT_FLAG_ABSTRACT), (f), 0 }
#define SPIFOPT_ABST_LONG_PP(l, d, f) { 0, l, d, (SPIFOPT_FLAG_ABSTRACT | SPIFOPT_FLAG_PREPARSE), (f), 0 }
#define SPIFOPT_TYPE(opt) (((spifopt_t) (opt)).flags & SPIFOPT_FLAG_TYPEMASK)
#define SPIFOPT_OPT_TYPE(n) (SPIFOPT_OPT_FLAGS(n) & SPIFOPT_FLAG_TYPEMASK)
#define SPIFOPT_OPT_IS_BOOLEAN(n) (SPIFOPT_OPT_FLAGS(n) & SPIFOPT_FLAG_BOOLEAN)
#define SPIFOPT_OPT_IS_STRING(n) (SPIFOPT_OPT_FLAGS(n) & SPIFOPT_FLAG_STRING)
#define SPIFOPT_OPT_IS_INTEGER(n) (SPIFOPT_OPT_FLAGS(n) & SPIFOPT_FLAG_INTEGER)
#define SPIFOPT_OPT_IS_ARGLIST(n) (SPIFOPT_OPT_FLAGS(n) & SPIFOPT_FLAG_ARGLIST)
#define SPIFOPT_OPT_IS_ABSTRACT(n) (SPIFOPT_OPT_FLAGS(n) & SPIFOPT_FLAG_ABSTRACT)
#define SPIFOPT_OPT_IS_PREPARSE(n) (SPIFOPT_OPT_FLAGS(n) & SPIFOPT_FLAG_PREPARSE)
#define SPIFOPT_OPT_IS_DEPRECATED(n) (SPIFOPT_OPT_FLAGS(n) & SPIFOPT_FLAG_DEPRECATED)
#define SPIFOPT_OPT_NEEDS_VALUE(n) (SPIFOPT_OPT_FLAGS(n) & (SPIFOPT_FLAG_STRING | SPIFOPT_FLAG_INTEGER | SPIFOPT_FLAG_ARGLIST))
#define SPIFOPT_OPT_SHORT(n) (SPIFOPT_OPTLIST(n).short_opt)
#define SPIFOPT_OPT_LONG(n) (SPIFOPT_OPTLIST(n).long_opt)
#define SPIFOPT_OPT_DESC(n) (SPIFOPT_OPTLIST(n).desc)
#define SPIFOPT_OPT_FLAGS(n) (SPIFOPT_OPTLIST(n).flags)
#define SPIFOPT_OPT_VALUE(n) (SPIFOPT_OPTLIST(n).value)
#define SPIFOPT_OPT_MASK(n) (SPIFOPT_OPTLIST(n).mask)
#define SPIFOPT_OPTLIST(n) (spifopt_settings.opt_list[((n) < (spifopt_settings.num_opts) ? (n) : (0))])
#define SPIFOPT_OPTLIST_SET(l) (spifopt_settings.opt_list = ((spifopt_t *) (l)))
#define SPIFOPT_NUMOPTS_GET() (spifopt_settings.num_opts)
#define SPIFOPT_NUMOPTS_SET(n) (spifopt_settings.num_opts = (n))
#define SPIFOPT_FLAGS_GET() (spifopt_settings.flags)
#define SPIFOPT_FLAGS_SET(m) (spifopt_settings.flags |= (m))
#define SPIFOPT_FLAGS_IS_SET(m) (spifopt_settings.flags & (m))
#define SPIFOPT_FLAGS_CLEAR(m) (spifopt_settings.flags &= ~(m))
#define SPIFOPT_BADOPTS_GET() (spifopt_settings.bad_opts)
#define SPIFOPT_BADOPTS_SET(n) (spifopt_settings.bad_opts = (n))
#define SPIFOPT_ALLOWBAD_GET() (spifopt_settings.allow_bad)
#define SPIFOPT_ALLOWBAD_SET(n) (spifopt_settings.allow_bad = (n))
#define SPIFOPT_INDENT_GET() (spifopt_settings.indent)
#define SPIFOPT_INDENT_SET(n) (spifopt_settings.indent = (n))
#define SPIFOPT_HELPHANDLER ((spifopt_settings.help_handler) ? (spifopt_settings.help_handler) : (spifopt_usage))
#define SPIFOPT_HELPHANDLER_SET(f) (spifopt_settings.help_handler = (f))
typedef void (*spifopt_helphandler_t)();
typedef void (*spifopt_abstract_handler_t)(char *);
typedef struct spifopt_t_struct {
spif_char_t short_opt;
spif_charptr_t long_opt;
spif_charptr_t desc;
spif_uint32_t flags;
void *value;
spif_uint32_t mask;
} spifopt_t;
typedef struct spifopt_settings_t_struct {
spifopt_t *opt_list;
spif_uint16_t num_opts;
spif_uint32_t flags;
spif_uint8_t bad_opts, allow_bad;
spif_uint8_t indent;
spifopt_helphandler_t help_handler;
} spifopt_settings_t;
extern spifopt_settings_t spifopt_settings;
/******************************** PROTOTYPES **********************************/
/* msgs.c */
extern void libast_set_program_name(const char *);
extern void libast_set_program_version(const char *);
extern int libast_dprintf(const char *, ...);
extern void print_error(const char *fmt, ...);
extern void print_warning(const char *fmt, ...);
extern void fatal_error(const char *fmt, ...);
/* debug.c */
extern unsigned int DEBUG_LEVEL;
/* mem.c */
extern void memrec_init(void);
extern void *libast_malloc(const char *, unsigned long, size_t);
extern void *libast_realloc(const char *, const char *, unsigned long, void *, size_t);
extern void *libast_calloc(const char *, unsigned long, size_t, size_t);
extern void libast_free(const char *, const char *, unsigned long, void *);
extern char *libast_strdup(const char *, const char *, unsigned long, const char *);
extern void libast_dump_mem_tables(void);
#ifdef LIBAST_X11_SUPPORT
extern Pixmap libast_x_create_pixmap(const char *, unsigned long, Display *, Drawable, unsigned int, unsigned int, unsigned int);
extern void libast_x_free_pixmap(const char *, const char *, unsigned long, Display *, Pixmap);
# ifdef LIBAST_IMLIB2_SUPPORT
extern void libast_imlib_register_pixmap(const char *var, const char *filename, unsigned long line, Pixmap p);
extern void libast_imlib_free_pixmap(const char *var, const char *filename, unsigned long line, Pixmap p);
# endif
extern void libast_dump_pixmap_tables(void);
extern GC libast_x_create_gc(const char *, unsigned long, Display *, Drawable, unsigned long, XGCValues *);
extern void libast_x_free_gc(const char *, const char *, unsigned long, Display *, GC);
extern void libast_dump_gc_tables(void);
#endif
extern void free_array(void *, size_t);
/* file.c */
extern int libast_temp_file(char *, size_t);
/* strings.c */
extern char *left_str(const char *, unsigned long);
extern char *mid_str(const char *, unsigned long, unsigned long);
extern char *right_str(const char *, unsigned long);
#if defined(LIBAST_REGEXP_SUPPORT_POSIX) && defined(HAVE_REGEX_H)
extern spif_bool_t regexp_match(const char *, const char *);
extern spif_bool_t regexp_match_r(const char *str, const char *pattern, regex_t **rexp);
#endif
extern char **split(const char *, const char *);
extern char **split_regexp(const char *, const char *);
extern char *join(const char *, char **);
extern char *get_word(unsigned long, const char *);
extern char *get_pword(unsigned long, const char *);
extern unsigned long num_words(const char *);
extern char *chomp(char *);
extern char *strip_whitespace(char *);
extern char *downcase_str(char *);
extern char *upcase_str(char *);
#ifndef HAVE_STRCASESTR
extern char *strcasestr(const char *, const char *);
#endif
#ifndef HAVE_STRCASECHR
extern char *strcasechr(const char *, const char);
#endif
#ifndef HAVE_STRCASEPBRK
extern char *strcasepbrk(const char *, const char *);
#endif
#ifndef HAVE_STRREV
extern char *strrev(char *);
#endif
#if !(HAVE_STRSEP)
extern char *strsep(char **, char *);
#endif
extern char *safe_str(char *, unsigned short);
extern char *garbage_collect(char *, size_t);
extern char *file_garbage_collect(char *, size_t);
extern char *condense_whitespace(char *);
extern void hex_dump(void *, size_t);
extern spif_cmp_t version_compare(const char *, const char *);
#ifndef HAVE_MEMMEM
extern void *memmem(const void *, size_t, const void *, size_t);
#endif
#ifndef HAVE_STRNLEN
extern size_t strnlen(const char *, size_t);
#endif
#ifndef HAVE_USLEEP
extern void usleep(unsigned long);
#endif
#ifndef HAVE_SNPRINTF
extern int vsnprintf(char *str, size_t count, const char *fmt, va_list args);
extern int snprintf(char *str, size_t count, const char *fmt, ...);
#endif
/* conf.c */
extern void conf_init_subsystem(void);
extern unsigned char conf_register_context(char *name, ctx_handler_t handler);
extern unsigned char conf_register_fstate(FILE *fp, char *path, char *outfile, unsigned long line, unsigned char flags);
extern unsigned char conf_register_builtin(char *name, conf_func_ptr_t ptr);
extern unsigned char conf_register_context_state(unsigned char ctx_id);
extern void conf_free_subsystem(void);
extern char *shell_expand(char *);
extern char *conf_find_file(const char *file, const char *dir, const char *pathlist);
extern FILE *open_config_file(char *name);
extern void conf_parse_line(FILE *fp, char *buff);
extern char *conf_parse(char *conf_name, const char *dir, const char *path);
/* options.c */
extern void spifopt_parse(int, char **);
extern void spifopt_usage(void);
#endif /* _LIBAST_H_ */
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