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Diffstat (limited to 'WWW/Library/Implementation/HTDOS.c')
| -rw-r--r-- | WWW/Library/Implementation/HTDOS.c | 241 |
1 files changed, 241 insertions, 0 deletions
diff --git a/WWW/Library/Implementation/HTDOS.c b/WWW/Library/Implementation/HTDOS.c new file mode 100644 index 00000000..582a7626 --- /dev/null +++ b/WWW/Library/Implementation/HTDOS.c @@ -0,0 +1,241 @@ +/* + * $LynxId: HTDOS.c,v 1.39 2011/06/04 18:45:09 tom Exp $ + * DOS specific routines + */ + +#include <HTUtils.h> +#include <LYUtils.h> +#include <HTDOS.h> +#include <LYStrings.h> + +#include <LYLeaks.h> + +#ifdef _WINDOWS +#include <LYGlobalDefs.h> +#include <HTAlert.h> +#endif + +/* + * Make a copy of the source argument in the result, allowing some extra + * space so we can append directly onto the result without reallocating. + */ +static char *copy_plus(char **result, const char *source) +{ + int length = (int) strlen(source); + int extra = 10; + int n; + + for (n = 0; n < length; ++n) { + if (source[n] == ' ') + ++extra; + } + + HTSprintf0(result, "%-*s", length + extra, source); + (*result)[length] = 0; + return (*result); +} + +/* PUBLIC HTDOS_wwwName() + * CONVERTS DOS Name into WWW Name + * ON ENTRY: + * dosname DOS file specification (NO NODE) + * + * ON EXIT: + * returns WWW file specification + * + */ +const char *HTDOS_wwwName(const char *dosname) +{ + static char *wwwname = NULL; + char *cp_url = copy_plus(&wwwname, dosname); + int wwwname_len; + char ch; + + while ((ch = *dosname) != '\0') { + switch (ch) { + case '\\': + /* convert dos backslash to unix-style */ + *cp_url++ = '/'; + break; + case ' ': + *cp_url++ = '%'; + *cp_url++ = '2'; + *cp_url++ = '0'; + break; + default: + *cp_url++ = ch; + break; + } + dosname++; + } + *cp_url = '\0'; + + wwwname_len = (int) strlen(wwwname); + if (wwwname_len > 1) + cp_url--; /* point last char */ + + if (wwwname_len > 3 && *cp_url == '/') { + cp_url++; + *cp_url = '\0'; + } + return (wwwname); +} + +/* + * Convert slashes from Unix to DOS + */ +char *HTDOS_slashes(char *path) +{ + char *s; + + for (s = path; *s != '\0'; ++s) { + if (*s == '/') { + *s = '\\'; + } + } + return path; +} + +/* PUBLIC HTDOS_name() + * CONVERTS WWW name into a DOS name + * ON ENTRY: + * wwwname WWW file name + * + * ON EXIT: + * returns DOS file specification + */ +char *HTDOS_name(const char *wwwname) +{ + static char *result = NULL; + int joe; + +#if defined(SH_EX) /* 2000/03/07 (Tue) 18:32:42 */ + if (unsafe_filename(wwwname)) { + HTUserMsg2("unsafe filename : %s", wwwname); + copy_plus(&result, "BAD_LOCAL_FILE_NAME"); + } else { + copy_plus(&result, wwwname); + } +#else + copy_plus(&result, wwwname); +#endif +#ifdef __DJGPP__ + if (result[0] == '/' + && result[1] == 'd' + && result[2] == 'e' + && result[3] == 'v' + && result[4] == '/' + && isalpha(result[5])) { + return (result); + } +#endif /* __DJGPP__ */ + + (void) HTDOS_slashes(result); + + /* pesky leading slash, rudiment from file://localhost/ */ + /* the rest of path may be with or without drive letter */ + if ((result[1] != '\\') && (result[0] == '\\')) { + for (joe = 0; (result[joe] = result[joe + 1]) != 0; joe++) ; + } + /* convert '|' after the drive letter to ':' */ + if (isalpha(UCH(result[0])) && result[1] == '|') { + result[1] = ':'; + } +#ifdef _WINDOWS /* 1998/04/02 (Thu) 08:59:48 */ + if (LYLastPathSep(result) != NULL + && !LYIsDosDrive(result)) { + char temp_buff[LY_MAXPATH]; + + sprintf(temp_buff, "%.3s\\%.*s", windows_drive, + (int) (sizeof(temp_buff) - 5), result); + StrAllocCopy(result, temp_buff); + } +#endif + /* + * If we have only a device, add a trailing slash. Otherwise it just + * refers to the current directory on the given device. + */ + if (LYLastPathSep(result) == NULL + && LYIsDosDrive(result)) + LYAddPathSep0(result); + + CTRACE((tfp, "HTDOS_name changed `%s' to `%s'\n", wwwname, result)); + return (result); +} + +#ifdef WIN_EX +char *HTDOS_short_name(const char *path) +{ + static char sbuf[LY_MAXPATH]; + char *ret; + DWORD r; + + if (strchr(path, '/')) + path = HTDOS_name(path); + r = GetShortPathName(path, sbuf, sizeof sbuf); + if (r >= sizeof(sbuf) || r == 0) { + ret = LYStrNCpy(sbuf, path, sizeof(sbuf)); + } else { + ret = sbuf; + } + return ret; +} +#endif + +#if defined(DJGPP) +/* + * Poll tcp/ip lib and yield to DPMI-host while nothing in + * keyboard buffer (head = tail) (simpler than kbhit). + * This is required to be able to finish off dead sockets, + * answer pings etc. + */ +#include <pc.h> +#include <dpmi.h> +#include <libc/farptrgs.h> +#include <go32.h> + +void djgpp_idle_loop(void) +{ + while (_farpeekw(_dos_ds, 0x41a) == _farpeekw(_dos_ds, 0x41c)) { + tcp_tick(NULL); + __dpmi_yield(); +#if defined(USE_SLANG) + if (SLang_input_pending(1)) + break; +#endif + } +} + +/* PUBLIC getxkey() + * Replaces libc's getxkey() with polling of tcp/ip + * library (WatTcp or Watt-32). * + * ON EXIT: + * returns extended keypress. + */ + +/* Copyright (C) 1995 DJ Delorie, see COPYING.DJ for details */ + +int getxkey(void) +{ +#if defined(DJGPP_KEYHANDLER) + __dpmi_regs r; + + djgpp_idle_loop(); + + r.h.ah = 0x10; + __dpmi_int(0x16, &r); + + if (r.h.al == 0x00) + return 0x0100 | r.h.ah; + if (r.h.al == 0xe0) + return 0x0200 | r.h.ah; + return r.h.al; + +#elif defined(USE_SLANG) + djgpp_idle_loop(); + return SLkp_getkey(); +#else + /* PDcurses uses myGetChar() in LYString.c */ +#endif +} +#endif /* DJGPP */ |