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| author | Berke Güzel <wenekar1@gmail.com> | 2026-10-15 12:40:44 +0300 |
|---|---|---|
| committer | Berke Güzel <wenekar1@gmail.com> | 2026-10-15 12:40:44 +0300 |
| commit | 7b31d6a05357953c035e2ab05ec117ef748f7798 (patch) | |
| tree | 26fea99ff05dce6f076b74e35a19c14a53762653 /include/term | |
| parent | ca69844a243a6e335b0ddafad057f35e89e0a576 (diff) | |
Reject a scrollback above TERM_SCROLLBACK_MAX
term_new() silently cut a scrollback above 1000000 lines to 1000000.
The limit now has a name in term.h, and term_new() returns NULL above
it, as it does for the other invalid options.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Diffstat (limited to 'include/term')
| -rw-r--r-- | include/term/term.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/include/term/term.h b/include/term/term.h index 380dfd3..c69e88e 100644 --- a/include/term/term.h +++ b/include/term/term.h @@ -40,6 +40,8 @@ struct term_snapshot; #define TERM_MAX_COLS 65535 /* The history limit when term_options.scrollback is 0. */ #define TERM_SCROLLBACK_DEFAULT 10000 +/* The largest term_options.scrollback. */ +#define TERM_SCROLLBACK_MAX 1000000 /* * The version of this header. A host compares TERM_VERSION_CODE with @@ -153,7 +155,8 @@ struct term_callbacks { /* * Options for term_new(). An all-zero value is valid. A size component of 0 * selects 80 columns or 24 rows. A negative component, or columns above - * TERM_MAX_COLS, makes term_new() fail. A negative scrollback fails too. + * TERM_MAX_COLS, makes term_new() fail. A scrollback below 0 or above + * TERM_SCROLLBACK_MAX fails too. * cursor_style must be a value of enum term_cursor_style. */ struct term_options { |