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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 20:21:21 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 20:21:21 +0000
commit510ed32cfbffa6148018869f5ade416505a450b3 (patch)
tree0aafabcf3dfaab7685fa0fcbaa683dafe287807e /WWW/Library/Implementation/HTDOS.c
parentInitial commit. (diff)
downloadlynx-510ed32cfbffa6148018869f5ade416505a450b3.tar.xz
lynx-510ed32cfbffa6148018869f5ade416505a450b3.zip
Adding upstream version 2.9.0rel.0.upstream/2.9.0rel.0
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'WWW/Library/Implementation/HTDOS.c')
-rw-r--r--WWW/Library/Implementation/HTDOS.c241
1 files changed, 241 insertions, 0 deletions
diff --git a/WWW/Library/Implementation/HTDOS.c b/WWW/Library/Implementation/HTDOS.c
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+++ b/WWW/Library/Implementation/HTDOS.c
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+/*
+ * $LynxId: HTDOS.c,v 1.40 2013/11/28 11:11:05 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 */