WebSVN – SvarDOS – Diff – /svarcom/trunk/helpers.h

 #ifndef HELPERS_H
 #define HELPERS_H
 /* case-insensitive comparison of strings, returns non-zero on equality */
 int imatch(const char *s1, const char *s2);
 /* returns zero if s1 starts with s2 */
 int strstartswith(const char *s1, const char *s2);
 /* outputs a NULL-terminated string to stdout */
 void output_internal(const char *s, unsigned short nl);
 #define output(x) output_internal(x, 0)
 #define outputnl(x) output_internal(x, 1)
 /*
  * FileInfoRec (DTA) format:
  * offset size desc
  *    +0   21  reserved
  *  +15h    1  file attr (1=RO 2=Hidden 4=System 8=VOL 16=DIR 32=Archive
  *  +16h    2  time: bits 0-4=bi-seconds (0-30), bits 5-10=minutes (0-59), bits 11-15=hour (0-23)
  *  +18h    2  date: bits 0-4=day(0-31), bits 5-8=month (1-12), bits 9-15=years since 1980
  *  +1ah    4  DWORD file size, in bytes
  *  +1eh   13  13-bytes max ASCIIZ filename
  */
 _Packed struct DTA {
   char reserved[21];
   unsigned char attr;
+  unsigned short time_sec2:5;
-  unsigned short time;
+  unsigned short time_min:6;
+  unsigned short time_hour:5;
+  unsigned short date_dy:5;
+  unsigned short date_mo:4;
-  unsigned short date;
+  unsigned short date_yr:7;
   unsigned long size;
   char fname[13];
 };
+/* this is also known as the "Country Info Block" or "CountryInfoRec":
+ * offset size desc
+ *   +0      2   wDateFormat  0=USA (m d y), 1=Europe (d m y), 2=Japan (y m d)
+ *   +2      5  szCrncySymb  currency symbol (ASCIIZ)
+ *   +7      2  szThouSep    thousands separator (ASCIIZ)
+ *   +9      2  szDecSep     decimal separator (ASCIIZ)
+ * +0bH      2  szDateSep    date separator (ASCIIZ)
+ * +0dH      2  szTimeSep    time separator (ASCIIZ)
+ * +0fH      1  bCrncyFlags  currency format flags
+ * +10H      1  bCrncyDigits decimals digits in currency
+ * +11H      1  bTimeFormat  time format 0=12h 1=24h
+ * +12H      4  pfCasemap    Casemap FAR call address
+ * +16H      2  szDataSep    data list separator (ASCIIZ)
+ * +18H     10  res          reserved zeros
+ *          34               total length
+ */
+_Packed struct nls_patterns {
+  unsigned short dateformat;
+  char currency[5];
+  char thousep[2];
+  char decsep[2];
+  char datesep[2];
+  char timesep[2];
+  unsigned char currflags;
+  unsigned char currdigits;
+  unsigned char timefmt;
+  void far *casemapfn;
+  char datalistsep[2];
+  char reserved[10];
+};
 #define DOS_ATTR_RO   1
 #define DOS_ATTR_HID  2
 #define DOS_ATTR_SYS  4
 #define DOS_ATTR_VOL  8
 #define DOS_ATTR_DIR 16
 #define DOS_ATTR_ARC 32
 /* find first matching files using a FindFirst DOS call
  * attr contains DOS attributes that files MUST have (ie attr=0 will match all
  * files)
  * returns 0 on success or a DOS err code on failure */
 unsigned short findfirst(struct DTA *dta, const char *pattern, unsigned short attr);
 /* find next matching, ie. continues an action intiated by findfirst() */
 unsigned short findnext(struct DTA *dta);
 /* print s string and wait for a single key press from stdin. accepts only
  * key presses defined in the c ASCIIZ string. returns offset of pressed key
  * in string. keys in c MUST BE UPPERCASE! */
 unsigned short askchoice(const char *s, const char *c);
 /* converts a path to its canonic representation, returns 0 on success
  * or DOS err on failure (invalid drive) */
 unsigned short file_truename(const char *src, char *dst);
 /* returns DOS attributes of file, or -1 on error */
 int file_getattr(const char *fname);
 /* returns screen's width (in columns) */
 unsigned short screen_getwidth(void);
 /* returns screen's height (in rows) */
 unsigned short screen_getheight(void);
 /* displays the "Press any key to continue" msg and waits for a keypress */
 void press_any_key(void);
 /* validate a drive (A=0, B=1, etc). returns 1 if valid, 0 otherwise */
 int isdrivevalid(unsigned char drv);
 /* converts a filename into FCB format (FILENAMEEXT) */
 void file_fname2fcb(char *dst, const char *src);
 /* converts a FCB filename (FILENAMEEXT) into normal format (FILENAME.EXT) */
 void file_fcb2fname(char *dst, const char *src);
 /* converts an ASCIIZ string into an unsigned short. returns 0 on success. */
 int atouns(unsigned short *r, const char *s);
 /* appends a backslash if path is a directory
  * returns the (possibly updated) length of path */
 unsigned short path_appendbkslash_if_dir(char *path);
 /* get current path drive d (A=1, B=2, etc - 0 is "current drive")
  * returns 0 on success, doserr otherwise */
 unsigned short curpathfordrv(char *buff, unsigned char d);
+/* fills a nls_patterns struct with current NLS patterns, returns 0 on success, DOS errcode otherwise */
+unsigned short nls_getpatterns(struct nls_patterns *p);
+/* computes a formatted date based on NLS patterns found in p
+ * returns length of result */
+unsigned short nls_format_date(char *s, unsigned short yr, unsigned char mo, unsigned char dy, const struct nls_patterns *p);
+/* computes a formatted time based on NLS patterns found in p
+ * returns length of result */
+unsigned short nls_format_time(char *s, unsigned char ho, unsigned char mn, const struct nls_patterns *p);
+/* computes a formatted integer number based on NLS patterns found in p
+ * returns length of result */
+unsigned short nls_format_number(char *s, long num, const struct nls_patterns *p);
 #endif

Subversion Repositories SvarDOS

(root)/svarcom/trunk/helpers.h @ 1090 – Rev 416 → 420