X-Git-Url: http://ncurses.scripts.mit.edu/?a=blobdiff_plain;f=doc%2Fhtml%2Fman%2Fform_field_buffer.3x.html;h=329a8db4f2e5437d3465c58c8bd989319aeac31d;hb=3eda6f30a84d53844d2ebceadb457e2e7e9cfbf3;hp=4e0bba1149222c98e8a62049ebef53160d54a9c2;hpb=77afe78361875f531dc2bf8d73f2e781c8e76176;p=ncurses.git diff --git a/doc/html/man/form_field_buffer.3x.html b/doc/html/man/form_field_buffer.3x.html index 4e0bba11..329a8db4 100644 --- a/doc/html/man/form_field_buffer.3x.html +++ b/doc/html/man/form_field_buffer.3x.html @@ -1,8 +1,7 @@ - +
+ +- form_field_buffer(3x) form_field_buffer(3x) --
+
form_field_buffer - field buffer control --
+
#include <form.h> + int set_field_buffer(FIELD *field, int buf, const char *value); char *field_buffer(const FIELD *field, int buffer); @@ -62,44 +61,43 @@ int set_max_field(FIELD *field, int max); --
+
The function set_field_buffer sets the numbered buffer of the given field to contain a given string: - - Buffer 0 is the displayed value of the field. + o Buffer 0 is the displayed value of the field. - - Other numbered buffers may be allocated by applica- - tions through the nbuf argument of (see - form_field_new(3x)) but are not manipulated by the - forms library. + o Other numbered buffers may be allocated by applica- + tions through the nbuf argument of (see + form_field_new(3x)) but are not manipulated by the + forms library. The function field_buffer returns a pointer to the con- tents of the given numbered buffer: - - The buffer contents always have the same length, and - are padded with trailing spaces as needed to ensure - this length is the same. + o The buffer contents always have the same length, + and are padded with trailing spaces as needed to + ensure this length is the same. - - The buffer may contain leading spaces, depending on - how it was set. + o The buffer may contain leading spaces, depending on + how it was set. - - The buffer contents are set with set_field_buffer, - or as a side effect of any editing operations on the - corresponding field. + o The buffer contents are set with set_field_buffer, + or as a side effect of any editing operations on + the corresponding field. - - Editing operations are based on the window which - displays the field, rather than a string. The win- - dow contains only printable characters, and is - filled with blanks. If you want the raw data, you - must write your own routine that copies the value - out of the buffer and removes the leading and trail- - ing spaces. + o Editing operations are based on the window which + displays the field, rather than a string. The win- + dow contains only printable characters, and is + filled with blanks. If you want the raw data, you + must write your own routine that copies the value + out of the buffer and removes the leading and + trailing spaces. - - Because editing operations change the content of the - buffer to correspond to the window, you should not - rely on using buffers for long-term storage of form - data. + o Because editing operations change the content of + the buffer to correspond to the window, you should + not rely on using buffers for long-term storage of + form data. The function set_field_status sets the associated status flag of field; field_status gets the current value. The @@ -111,8 +109,7 @@ size threshold for that field. --
+
The field_buffer function returns NULL on error. It sets errno according to their success: @@ -136,32 +133,28 @@ ment. --
+
curses(3x) and related pages whose names begin "form_" for detailed descriptions of the entry points. --
+
The header file <form.h> automatically includes the header file - When configured for wide-characters, field_buffer returns + When configured for wide characters, field_buffer returns a pointer to temporary storage (allocated and freed by the library). The application should not attempt to modify the data. It will be freed on the next call to field_buf- fer to return the same buffer. <curses.h>. --
+
These routines emulate the System V forms library. They were not supported on Version 7 or BSD versions. --
+
Juergen Pfeifer. Manual pages and adaptation for new curses by Eric S. Raymond. @@ -169,10 +162,17 @@ form_field_buffer(3x)-