jabberdlib.h

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#ifdef HAVE_CONFIG_H
#   include <config.h>
#endif

#include <string.h>
#include <stdlib.h>
#include <sys/types.h>
#include <stdio.h>
#include <setjmp.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <signal.h>
#include <syslog.h>
#include <strings.h>
#include <unistd.h>
#include <sys/param.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <arpa/inet.h>
#include <sys/time.h>
#include <stdarg.h>
#include <ctype.h>
#include <time.h>
#include <pth.h>

#include <expat.h>

/*
**  Arrange to use either varargs or stdargs
*/

#define MAXSHORTSTR	203		/* max short string length */
#define QUAD_T	unsigned long long

#ifdef __STDC__

#include <stdarg.h>

# define VA_LOCAL_DECL	va_list ap;
# define VA_START(f)	va_start(ap, f)
# define VA_END		va_end(ap)

#else /* __STDC__ */

# include <varargs.h>

# define VA_LOCAL_DECL	va_list ap;
# define VA_START(f)	va_start(ap)
# define VA_END		va_end(ap)

#endif /* __STDC__ */


#ifndef INCL_LIB_H
#define INCL_LIB_H

#ifdef __cplusplus
extern "C" {
#endif


#ifndef HAVE_SNPRINTF
extern int ap_snprintf(char *, size_t, const char *, ...);
#define snprintf ap_snprintf
#endif

#ifndef HAVE_VSNPRINTF
extern int ap_vsnprintf(char *, size_t, const char *, va_list ap);
#define vsnprintf ap_vsnprintf
#endif

#define ZONE zonestr(__FILE__,__LINE__)
char *zonestr(char *file, int line);

/* --------------------------------------------------------- */
/*                                                           */
/* Pool-based memory management routines                     */
/*                                                           */
/* --------------------------------------------------------- */

#ifdef POOL_DEBUG
# define POOL_NUM 40009
#endif

/* pheap - singular allocation of memory */
struct pheap
{
    void *block;
    int size, used;
};

/* pool_cleaner - callback type which is associated
   with a pool entry; invoked when the pool entry is 
   free'd */
typedef void (*pool_cleaner)(void *arg);

/* pfree - a linked list node which stores an
   allocation chunk, plus a callback */
struct pfree
{
    pool_cleaner f;
    void *arg;
    struct pheap *heap;
    struct pfree *next;
};

/* pool - base node for a pool. Maintains a linked list
   of pool entries (pfree) */
typedef struct pool_struct
{
    int size;
    struct pfree *cleanup;
    struct pheap *heap;
#ifdef POOL_DEBUG
    char name[8], zone[32];
    int lsize;
} _pool, *pool;
#define pool_new() _pool_new(__FILE__,__LINE__)
#define pool_heap(i) _pool_new_heap(i,__FILE__,__LINE__)
#else
} _pool, *pool;
#define pool_heap(i) _pool_new_heap(i, NULL, 0) 
#define pool_new() _pool_new(NULL, 0) 
#endif

pool _pool_new(char *zone, int line); /* new pool :) */
pool _pool_new_heap(int size, char *zone, int line); /* creates a new memory pool with an initial heap size */
void *pmalloc(pool p, int size); /* wrapper around malloc, takes from the pool, cleaned up automatically */
void *pmalloc_x(pool p, int size, char c); /* Wrapper around pmalloc which prefils buffer with c */
void *pmalloco(pool p, int size); /* YAPW for zeroing the block */
char *pstrdup(pool p, const char *src); /* wrapper around strdup, gains mem from pool */
void pool_stat(int full); /* print to stderr the changed pools and reset */
char *pstrdupx(pool p, const char *src); /* temp stub */
void pool_cleanup(pool p, pool_cleaner f, void *arg); /* calls f(arg) before the pool is freed during cleanup */
void pool_free(pool p); /* calls the cleanup functions, frees all the data on the pool, and deletes the pool itself */
int pool_size(pool p); /* returns total bytes allocated in this pool */




/* --------------------------------------------------------- */
/*                                                           */
/* Socket helper stuff                                       */
/*                                                           */
/* --------------------------------------------------------- */
#ifndef MAXHOSTNAMELEN
#define MAXHOSTNAMELEN 64
#endif

#define NETSOCKET_SERVER 0 /**< type of a local listening socket */
#define NETSOCKET_CLIENT 1 /**< type of a connection socket */
#define NETSOCKET_UDP 2    /**< type of a UDP connection socket */

#ifndef WIN32
int make_netsocket(u_short port, char *host, int type);
struct in_addr *make_addr(char *host);
#ifdef INCLUDE_LEGACY
int set_fd_close_on_exec(int fd, int flag);
#endif
#ifdef WITH_IPV6
struct in6_addr *make_addr_ipv6(char *host);
#endif
#endif


/* --------------------------------------------------------- */
/*                                                           */
/* String management routines                                */
/*                                                           */
/* --------------------------------------------------------- */
char *j_strdup(const char *str); /* provides NULL safe strdup wrapper */
char *j_strcat(char *dest, char *txt); /* strcpy() clone */
int j_strcmp(const char *a, const char *b); /* provides NULL safe strcmp wrapper */
int j_strcasecmp(const char *a, const char *b); /* provides NULL safe strcasecmp wrapper */
int j_strncmp(const char *a, const char *b, int i); /* provides NULL safe strncmp wrapper */
int j_strncasecmp(const char *a, const char *b, int i); /* provides NULL safe strncasecmp wrapper */
int j_strlen(const char *a); /* provides NULL safe strlen wrapper */
int j_atoi(const char *a, int def); /* checks for NULL and uses default instead, convienence */
void str_b64decode(char *str); /* what it says */


/* --------------------------------------------------------- */
/*                                                           */
/* Base64 routines                                           */
/*                                                           */
/* --------------------------------------------------------- */
int base64_encode(unsigned char *source, size_t sourcelen, char *target, size_t targetlen);
size_t base64_decode(char *source, unsigned char *target, size_t targetlen);


/* --------------------------------------------------------- */
/*                                                           */
/* SHA calculations                                          */
/*                                                           */
/* --------------------------------------------------------- */
#if (SIZEOF_INT == 4)
typedef unsigned int uint32;
#elif (SIZEOF_SHORT == 4)
typedef unsigned short uint32;
#else
typedef unsigned int uint32;
#endif /* HAVEUINT32 */

char *shahash(char *str);	/* NOT THREAD SAFE */
void shahash_r(const char* str, char hashbuf[40]); /* USE ME */

int strprintsha(char *dest, int *hashval);

/* --------------------------------------------------------- */
/*                                                           */
/* SHA calculations                                          */
/*                                                           */
/* --------------------------------------------------------- */

void crc32_r(const char *str, char crc32buf[9]);

/* --------------------------------------------------------- */
/*                                                           */
/* Hashtable functions                                       */
/*                                                           */
/* --------------------------------------------------------- */
typedef struct xhn_struct
{
    struct xhn_struct *next;
    const char *key;
    void *val;
} *xhn, _xhn;

typedef struct xht_struct
{
    pool p;
    int prime;
    struct xhn_struct *zen;
} *xht, _xht;

xht xhash_new(int prime);
void xhash_put(xht h, const char *key, void *val);
void *xhash_get(xht h, const char *key);
void xhash_zap(xht h, const char *key);
void xhash_free(xht h);
typedef void (*xhash_walker)(xht h, const char *key, void *val, void *arg);
void xhash_walk(xht h, xhash_walker w, void *arg);

/* --------------------------------------------------------- */
/*                                                           */
/* DEPRECIATED Hashtable functions                           */
/*                                                           */
/* --------------------------------------------------------- */
#ifdef INCLUDE_LEGACY
typedef int (*KEYHASHFUNC)(const void *key);
typedef int (*KEYCOMPAREFUNC)(const void *key1, const void *key2);
typedef int (*TABLEWALKFUNC)(void *user_data, const void *key, void *data);

typedef void *HASHTABLE;

HASHTABLE ghash_create(int buckets, KEYHASHFUNC hash, KEYCOMPAREFUNC cmp);
HASHTABLE ghash_create_pool(pool p, int buckets, KEYHASHFUNC hash, KEYCOMPAREFUNC cmp);
void ghash_destroy(HASHTABLE tbl);
void *ghash_get(HASHTABLE tbl, const void *key);
int ghash_put(HASHTABLE tbl, const void *key, void *value);
int ghash_remove(HASHTABLE tbl, const void *key);
int ghash_walk(HASHTABLE tbl, TABLEWALKFUNC func, void *user_data);
int str_hash_code(const char *s);
#endif


/* --------------------------------------------------------- */
/*                                                           */
/* XML escaping utils                                        */
/*                                                           */