X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=doc%2Fhtml%2Fman%2Fcurs_scr_dump.3x.html;h=5344a424debd7c7a7ccaa39090c8e5f2835213f4;hp=7931102dcb7248174703da007827864e72bf86da;hb=e6f4ffe150c7d919792f29a70b4f031cfab5ef06;hpb=b1f61d9f3aa244512045a6b02e759825d7049d34 diff --git a/doc/html/man/curs_scr_dump.3x.html b/doc/html/man/curs_scr_dump.3x.html index 7931102d..5344a424 100644 --- a/doc/html/man/curs_scr_dump.3x.html +++ b/doc/html/man/curs_scr_dump.3x.html @@ -1,129 +1,132 @@ + + +
++curs_scr_dump(3x) curs_scr_dump(3x) + + +
- scr_dump, scr_restore, scr_init, scr_set - read (write) a - curses screen from (to) a file + scr_dump, scr_restore, scr_init, scr_set - read (write) a + curses screen from (to) a file
- #include <curses.h> + #include <curses.h> - int scr_dump(const char *filename); - int scr_restore(const char *filename); - int scr_init(const char *filename); - int scr_set(const char *filename); + int scr_dump(const char *filename); + int scr_restore(const char *filename); + int scr_init(const char *filename); + int scr_set(const char *filename);
- The scr_dump routine dumps the current contents of the - virtual screen to the file filename. + The scr_dump routine dumps the current contents of the + virtual screen to the file filename. - The scr_restore routine sets the virtual screen to the - contents of filename, which must have been written using - scr_dump. The next call to doupdate restores the screen + The scr_restore routine sets the virtual screen to the + contents of filename, which must have been written using + scr_dump. The next call to doupdate restores the screen to the way it looked in the dump file. - The scr_init routine reads in the contents of filename and - uses them to initialize the curses data structures about - what the terminal currently has on its screen. If the - data is determined to be valid, curses bases its next - update of the screen on this information rather than - clearing the screen and starting from scratch. scr_init - is used after initscr or a system [see system(BA_LIB)] - call to share the screen with another process which has - done a scr_dump after its endwin call. The data is - declared invalid if the terminfo capabilities rmcup and - nrrmc exist; also if the terminal has been written to - since the preceding scr_dump call. - - The scr_set routine is a combination of scr_restore and - scr_init. It tells the program that the information in - filename is what is currently on the screen, and also what - the program wants on the screen. This can be thought of + The scr_init routine reads in the contents of filename and + uses them to initialize the curses data structures about + what the terminal currently has on its screen. If the da- + ta is determined to be valid, curses bases its next update + of the screen on this information rather than clearing the + screen and starting from scratch. scr_init is used after + initscr or a system call to share the screen with another + process which has done a scr_dump after its endwin call. + The data is declared invalid if the terminfo capabilities + rmcup and nrrmc exist; also if the terminal has been writ- + ten to since the preceding scr_dump call. + + The scr_set routine is a combination of scr_restore and + scr_init. It tells the program that the information in + filename is what is currently on the screen, and also what + the program wants on the screen. This can be thought of as a screen inheritance function. - To read (write) a window from (to) a file, use the getwin - and putwin routines [see curs_util(3x)]. + To read (write) a window from (to) a file, use the getwin + and putwin routines [see curs_util(3x)].
- All routines return the integer ERR upon failure and OK + All routines return the integer ERR upon failure and OK upon success. + X/Open defines no error conditions. In this implementa- + tion, each will return an error if the file cannot be + opened. +
- Note that scr_init, scr_set, and scr_restore may be + Note that scr_init, scr_set, and scr_restore may be macros.
- The XSI Curses standard, Issue 4, describes these func- + The XSI Curses standard, Issue 4, describes these func- tions (adding the const qualifiers). - The SVr4 docs merely say under scr_init that the dump data - is also considered invalid "if the time-stamp of the tty - is old" but don't define "old". + + The SVr4 docs merely say under scr_init that the dump data + is also considered invalid "if the time-stamp of the tty + is old" but do not define "old".
- curses(3x), curs_initscr(3x), curs_refresh(3x), - curs_util(3x), system(3S) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - + curses(3x), curs_initscr(3x), curs_refresh(3x), + curs_util(3x), system(3) + curs_scr_dump(3x)