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/* copyright (c) 2007 magnus auvinen, see licence.txt for more info */
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#include "e_console.h"
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#if defined(CONF_FAMILY_UNIX)
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/* unix net includes */
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <sys/ioctl.h>
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#include <netinet/in.h>
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#elif defined(CONF_FAMILY_WINDOWS)
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#define WIN32_LEAN_AND_MEAN
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#define _WIN32_WINNT 0x0400
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#include <shlobj.h> /* for SHGetFolderPathAndSubDir */
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#define EWOULDBLOCK WSAEWOULDBLOCK
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#error NOT IMPLEMENTED
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#if defined(__cplusplus)
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IOHANDLE io_stdin() { return (IOHANDLE)stdin; }
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IOHANDLE io_stdout() { return (IOHANDLE)stdout; }
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IOHANDLE io_stderr() { return (IOHANDLE)stderr; }
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static DBG_LOGGER loggers[16];
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static int num_loggers = 0;
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void dbg_logger(DBG_LOGGER logger)
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loggers[num_loggers++] = logger;
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void dbg_assert_imp(const char *filename, int line, int test, const char *msg)
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dbg_msg("assert", "%s(%d): %s", filename, line, msg);
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*((unsigned*)0) = 0x0;
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void dbg_msg(const char *sys, const char *fmt, ...)
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str_format(str, sizeof(str), "[%08x][%s]: ", (int)time(0), sys);
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msg = (char *)str + len;
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#if defined(CONF_FAMILY_WINDOWS)
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_vsnprintf(msg, sizeof(str)-len, fmt, args);
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vsnprintf(msg, sizeof(str)-len, fmt, args);
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for(i = 0; i < num_loggers; i++)
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static void logger_stdout(const char *line)
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printf("%s\n", line);
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static void logger_debugger(const char *line)
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#if defined(CONF_FAMILY_WINDOWS)
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OutputDebugString(line);
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OutputDebugString("\n");
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IOHANDLE logfile = 0;
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static void logger_file(const char *line)
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io_write(logfile, line, strlen(line));
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io_write(logfile, "\n", 1);
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void dbg_logger_stdout() { dbg_logger(logger_stdout); }
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void dbg_logger_debugger() { dbg_logger(logger_debugger); }
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void dbg_logger_file(const char *filename)
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logfile = io_open(filename, IOFLAG_WRITE);
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dbg_logger(logger_file);
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dbg_msg("dbg/logger", "failed to open '%s' for logging", filename);
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int memory_alloced = 0;
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const char *filename;
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struct memheader *prev;
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struct memheader *next;
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static struct memheader *first = 0;
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return memory_alloced;
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void *mem_alloc_debug(const char *filename, int line, unsigned size, unsigned alignment)
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/* TODO: fix alignment */
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/* TODO: add debugging */
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struct memheader *header = (struct memheader *)malloc(size+sizeof(struct memheader)+sizeof(struct memtail));
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struct memtail *tail = (struct memtail *)(((char*)(header+1))+size);
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header->filename = filename;
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memory_alloced += header->size;
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tail->guard = 0xbaadc0de;
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header->prev = (struct memheader *)0;
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header->next = first;
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first->prev = header;
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/*dbg_msg("mem", "++ %p", header+1); */
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void mem_free(void *p)
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struct memheader *header = (struct memheader *)p - 1;
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struct memtail *tail = (struct memtail *)(((char*)(header+1))+header->size);
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if(tail->guard != 0xbaadc0de)
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dbg_msg("mem", "!! %p", p);
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/* dbg_msg("mem", "-- %p", p); */
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memory_alloced -= header->size;
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header->prev->next = header->next;
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first = header->next;
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header->next->prev = header->prev;
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void mem_debug_dump()
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struct memheader *header = first;
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IOHANDLE f = io_open("memory.txt", IOFLAG_WRITE);
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str_format(buf, sizeof(buf), "%s(%d): %d\n", header->filename, header->line, header->size);
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io_write(f, buf, strlen(buf));
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header = header->next;
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void mem_copy(void *dest, const void *source, unsigned size)
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memcpy(dest, source, size);
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void mem_move(void *dest, const void *source, unsigned size)
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memmove(dest, source, size);
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void mem_zero(void *block,unsigned size)
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memset(block, 0, size);
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IOHANDLE io_open(const char *filename, int flags)
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if(flags == IOFLAG_READ)
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return (IOHANDLE)fopen(filename, "rb");
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if(flags == IOFLAG_WRITE)
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return (IOHANDLE)fopen(filename, "wb");
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unsigned io_read(IOHANDLE io, void *buffer, unsigned size)
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return fread(buffer, 1, size, (FILE*)io);
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unsigned io_skip(IOHANDLE io, unsigned size)
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fseek((FILE*)io, size, SEEK_CUR);
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int io_seek(IOHANDLE io, int offset, int origin)
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real_origin = SEEK_SET;
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real_origin = SEEK_CUR;
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real_origin = SEEK_END;
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return fseek((FILE*)io, offset, origin);
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long int io_tell(IOHANDLE io)
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return ftell((FILE*)io);
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long int io_length(IOHANDLE io)
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io_seek(io, 0, IOSEEK_END);
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length = io_tell(io);
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io_seek(io, 0, IOSEEK_START);
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unsigned io_write(IOHANDLE io, const void *buffer, unsigned size)
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return fwrite(buffer, 1, size, (FILE*)io);
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int io_close(IOHANDLE io)
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int io_flush(IOHANDLE io)
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void *thread_create(void (*threadfunc)(void *), void *u)
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#if defined(CONF_FAMILY_UNIX)
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pthread_create(&id, NULL, (void *(*)(void*))threadfunc, u);
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#elif defined(CONF_FAMILY_WINDOWS)
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return CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)threadfunc, u, 0, NULL);
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#error not implemented
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void thread_wait(void *thread)
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#if defined(CONF_FAMILY_UNIX)
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pthread_join((pthread_t)thread, NULL);
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#elif defined(CONF_FAMILY_WINDOWS)
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WaitForSingleObject((HANDLE)thread, INFINITE);
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#error not implemented
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void thread_destroy(void *thread)
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#if defined(CONF_FAMILY_UNIX)
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pthread_join((pthread_t)thread, &r);
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/*#error not implemented*/
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#if defined(CONF_FAMILY_UNIX)
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#elif defined(CONF_FAMILY_WINDOWS)
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#error not implemented
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void thread_sleep(int milliseconds)
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#if defined(CONF_FAMILY_UNIX)
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usleep(milliseconds*1000);
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#elif defined(CONF_FAMILY_WINDOWS)
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#error not implemented
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#if defined(CONF_FAMILY_UNIX)
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typedef pthread_mutex_t LOCKINTERNAL;
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#elif defined(CONF_FAMILY_WINDOWS)
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typedef CRITICAL_SECTION LOCKINTERNAL;
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#error not implemented on this platform
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LOCKINTERNAL *lock = (LOCKINTERNAL*)mem_alloc(sizeof(LOCKINTERNAL), 4);
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#if defined(CONF_FAMILY_UNIX)
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pthread_mutex_init(lock, 0x0);
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#elif defined(CONF_FAMILY_WINDOWS)
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InitializeCriticalSection((LPCRITICAL_SECTION)lock);
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#error not implemented on this platform
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void lock_destroy(LOCK lock)
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#if defined(CONF_FAMILY_UNIX)
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pthread_mutex_destroy((LOCKINTERNAL *)lock);
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#elif defined(CONF_FAMILY_WINDOWS)
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DeleteCriticalSection((LPCRITICAL_SECTION)lock);
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#error not implemented on this platform
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int lock_try(LOCK lock)
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#if defined(CONF_FAMILY_UNIX)
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return pthread_mutex_trylock((LOCKINTERNAL *)lock);
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#elif defined(CONF_FAMILY_WINDOWS)
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return TryEnterCriticalSection((LPCRITICAL_SECTION)lock);
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#error not implemented on this platform
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void lock_wait(LOCK lock)
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#if defined(CONF_FAMILY_UNIX)
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pthread_mutex_lock((LOCKINTERNAL *)lock);
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#elif defined(CONF_FAMILY_WINDOWS)
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EnterCriticalSection((LPCRITICAL_SECTION)lock);
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#error not implemented on this platform
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void lock_release(LOCK lock)
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#if defined(CONF_FAMILY_UNIX)
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pthread_mutex_unlock((LOCKINTERNAL *)lock);
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#elif defined(CONF_FAMILY_WINDOWS)
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LeaveCriticalSection((LPCRITICAL_SECTION)lock);
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#error not implemented on this platform
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/* ----- time ----- */
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#if defined(CONF_FAMILY_UNIX)
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gettimeofday(&val, NULL);
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return (int64)val.tv_sec*(int64)1000000+(int64)val.tv_usec;
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#elif defined(CONF_FAMILY_WINDOWS)
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static int64 last = 0;
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QueryPerformanceCounter((PLARGE_INTEGER)&t);
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if(t<last) /* for some reason, QPC can return values in the past */
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#error not implemented
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#if defined(CONF_FAMILY_UNIX)
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#elif defined(CONF_FAMILY_WINDOWS)
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QueryPerformanceFrequency((PLARGE_INTEGER)&t);
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#error not implemented
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/* ----- network ----- */
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static void netaddr4_to_sockaddr(const NETADDR4 *src, struct sockaddr *dest)
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struct sockaddr_in *p = (struct sockaddr_in *)dest;
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mem_zero(p, sizeof(struct sockaddr_in));
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p->sin_family = AF_INET;
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p->sin_port = htons(src->port);
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p->sin_addr.s_addr = htonl(src->ip[0]<<24|src->ip[1]<<16|src->ip[2]<<8|src->ip[3]);
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static void sockaddr_to_netaddr4(const struct sockaddr *src, NETADDR4 *dst)
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unsigned int ip = htonl(((struct sockaddr_in*)src)->sin_addr.s_addr);
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dst->port = htons(((struct sockaddr_in*)src)->sin_port);
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dst->ip[0] = (unsigned char)((ip>>24)&0xFF);
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dst->ip[1] = (unsigned char)((ip>>16)&0xFF);
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dst->ip[2] = (unsigned char)((ip>>8)&0xFF);
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dst->ip[3] = (unsigned char)(ip&0xFF);
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int net_addr4_cmp(const NETADDR4 *a, const NETADDR4 *b)
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if( a->ip[0] != b->ip[0] ||
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a->ip[1] != b->ip[1] ||
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a->ip[2] != b->ip[2] ||
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a->ip[3] != b->ip[3] ||
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int net_host_lookup(const char *hostname, unsigned short port, NETADDR4 *addr)
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struct addrinfo hints;
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struct addrinfo *result;
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mem_zero(&hints, sizeof(hints));
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hints.ai_family = AF_INET;
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e = getaddrinfo(hostname, NULL, &hints, &result);
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if(e != 0 || !result)
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sockaddr_to_netaddr4(result->ai_addr, addr);
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freeaddrinfo(result);
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NETSOCKET net_udp4_create(NETADDR4 bindaddr)
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struct sockaddr addr;
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unsigned int mode = 1;
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int sock = socket(AF_INET, SOCK_DGRAM, 0);
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return NETSOCKET_INVALID;
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/* bind, we should check for error */
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netaddr4_to_sockaddr(&bindaddr, &addr);
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if(bind(sock, &addr, sizeof(addr)) != 0)
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net_udp4_close(sock);
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return NETSOCKET_INVALID;
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/* set non-blocking */
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#if defined(CONF_FAMILY_WINDOWS)
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ioctlsocket(sock, FIONBIO, (unsigned long *)&mode);
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ioctl(sock, FIONBIO, (unsigned long *)&mode);
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setsockopt(sock, SOL_SOCKET, SO_BROADCAST, (const char*)&broadcast, sizeof(broadcast));
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int net_udp4_send(NETSOCKET sock, const NETADDR4 *addr, const void *data, int size)
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mem_zero(&sa, sizeof(sa));
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netaddr4_to_sockaddr(addr, &sa);
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d = sendto((int)sock, (const char*)data, size, 0, &sa, sizeof(sa));
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dbg_msg("net", "sendto error %d %x", d, d);
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int net_udp4_recv(NETSOCKET sock, NETADDR4 *addr, void *data, int maxsize)
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struct sockaddr from;
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socklen_t fromlen = sizeof(struct sockaddr);
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bytes = recvfrom(sock, (char*)data, maxsize, 0, &from, &fromlen);
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sockaddr_to_netaddr4(&from, addr);
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return -1; /* error */
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int net_udp4_close(NETSOCKET sock)
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#if defined(CONF_FAMILY_WINDOWS)
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NETSOCKET net_tcp4_create(const NETADDR4 *a)
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struct sockaddr addr;
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int sock = socket(AF_INET, SOCK_STREAM, 0);
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return NETSOCKET_INVALID;
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/* bind, we should check for error */
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netaddr4_to_sockaddr(a, &addr);
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bind(sock, &addr, sizeof(addr));
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int net_tcp4_set_non_blocking(NETSOCKET sock)
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unsigned int mode = 1;
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#if defined(CONF_FAMILY_WINDOWS)
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return ioctlsocket(sock, FIONBIO, (unsigned long *)&mode);
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return ioctl(sock, FIONBIO, (unsigned long *)&mode);
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int net_tcp4_set_blocking(NETSOCKET sock)
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unsigned int mode = 0;
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#if defined(CONF_FAMILY_WINDOWS)
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return ioctlsocket(sock, FIONBIO, (unsigned long *)&mode);
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return ioctl(sock, FIONBIO, (unsigned long *)&mode);
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int net_tcp4_listen(NETSOCKET sock, int backlog)
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return listen(sock, backlog);
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int net_tcp4_accept(NETSOCKET sock, NETSOCKET *new_sock, NETADDR4 *a)
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socklen_t sockaddr_len;
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struct sockaddr addr;
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sockaddr_len = sizeof(addr);
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s = accept(sock, &addr, &sockaddr_len);
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sockaddr_to_netaddr4(&addr, a);
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int net_tcp4_connect(NETSOCKET sock, const NETADDR4 *a)
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struct sockaddr addr;
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netaddr4_to_sockaddr(a, &addr);
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return connect(sock, &addr, sizeof(addr));
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int net_tcp4_connect_non_blocking(NETSOCKET sock, const NETADDR4 *a)
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struct sockaddr addr;
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netaddr4_to_sockaddr(a, &addr);
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net_tcp4_set_non_blocking(sock);
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res = connect(sock, &addr, sizeof(addr));
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net_tcp4_set_blocking(sock);
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int net_tcp4_send(NETSOCKET sock, const void *data, int size)
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d = send((int)sock, (const char*)data, size, 0);
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int net_tcp4_recv(NETSOCKET sock, void *data, int maxsize)
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bytes = recv((int)sock, (char*)data, maxsize, 0);
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int net_tcp4_close(NETSOCKET sock)
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#if defined(CONF_FAMILY_WINDOWS)
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int net_would_block()
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return net_errno() == EWOULDBLOCK;
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#if defined(CONF_FAMILY_WINDOWS)
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int err = WSAStartup(MAKEWORD(1, 1), &wsaData);
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dbg_assert(err == 0, "network initialization failed.");
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int fs_listdir(const char *dir, fs_listdir_callback cb, void *user)
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#if defined(CONF_FAMILY_WINDOWS)
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WIN32_FIND_DATA finddata;
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str_format(buffer, sizeof(buffer), "%s/*", dir);
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handle = FindFirstFileA(buffer, &finddata);
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if (handle == INVALID_HANDLE_VALUE)
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/* add all the entries */
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if(finddata.cFileName[0] != '.')
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cb(finddata.cFileName, 0, user);
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} while (FindNextFileA(handle, &finddata));
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struct dirent *entry;
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DIR *d = opendir(dir);
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while((entry = readdir(d)) != NULL)
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cb(entry->d_name, 0, user);
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/* close the directory and return */
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int fs_storage_path(const char *appname, char *path, int max)
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#if defined(CONF_FAMILY_WINDOWS)
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r = SHGetFolderPath (NULL, CSIDL_APPDATA, NULL, SHGFP_TYPE_CURRENT, home);
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_snprintf(path, max, "%s/%s", home, appname);
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char *home = getenv("HOME");
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#if defined(CONF_PLATFORM_MACOSX)
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snprintf(path, max, "%s/Library/Application Support/%s", home, appname);
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snprintf(path, max, "%s/.%s", home, appname);
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for(i = strlen(home)+2; path[i]; i++)
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path[i] = tolower(path[i]);
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int fs_makedir(const char *path)
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#if defined(CONF_FAMILY_WINDOWS)
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if(_mkdir(path) == 0)
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if(mkdir(path, 0755) == 0)
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void swap_endian(void *data, unsigned elem_size, unsigned num)
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char *src = (char*) data;
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char *dst = src + (elem_size - 1);
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unsigned n = elem_size>>1;
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src = src + (elem_size>>1);
820
dst = src + (elem_size - 1);
825
int net_socket_read_wait(NETSOCKET sock, int time)
831
tv.tv_usec = 1000*time;
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FD_SET(sock, &readfds);
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/* don't care about writefds and exceptfds */
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select(sock+1, &readfds, NULL, NULL, &tv);
838
if(FD_ISSET(sock, &readfds))
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unsigned time_timestamp()
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void str_append(char *dst, const char *src, int dst_size)
855
if(!src[i]) /* check for null termination */
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dst[dst_size-1] = 0; /* assure null termination */
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void str_copy(char *dst, const char *src, int dst_size)
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strncpy(dst, src, dst_size);
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dst[dst_size-1] = 0; /* assure null termination */
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void str_format(char *buffer, int buffer_size, const char *format, ...)
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#if defined(CONF_FAMILY_WINDOWS)
874
va_start(ap, format);
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_vsnprintf(buffer, buffer_size, format, ap);
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va_start(ap, format);
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vsnprintf(buffer, buffer_size, format, ap);
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buffer[buffer_size-1] = 0; /* assure null termination */
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/* makes sure that the string only contains the characters between 32 and 127 */
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void str_sanitize_strong(char *str_in)
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unsigned char *str = (unsigned char *)str_in;
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/* makes sure that the string only contains the characters between 32 and 255 + \r\n\t */
903
void str_sanitize(char *str_in)
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unsigned char *str = (unsigned char *)str_in;
908
if(*str < 32 && !(*str == '\r') && !(*str == '\n') && !(*str == '\t'))
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int str_comp_nocase(const char *a, const char *b)
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#if defined(CONF_FAMILY_WINDOWS)
918
return _stricmp(a,b);
920
return strcasecmp(a,b);
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const char *str_find_nocase(const char *haystack, const char *needle)
926
while(*haystack) /* native implementation */
928
const char *a = haystack;
929
const char *b = needle;
930
while(*a && *b && tolower(*a) == tolower(*b))
943
#if defined(__cplusplus)