term.git/tests/snapshot_failure_test.c, branch main

Rename the library to wsap_vtcore

2026-10-15T10:04:01+00:00

ncurses installs and defines struct term. In a file that includes both headers, an ncurses TERMINAL * and this library's terminal are silently the same type. The name wsap_vtcore avoids the clash. The public header is now . Every global symbol uses the wsap_vtcore_ prefix, every macro uses WSAP_VTCORE_, and the shared library is libwsap_vtcore.so.0. The default terminal name is now "wsap_vtcore". The ISA override variable is WSAP_VTCORE_ISA. No other behavior changes. The amalgamation writes wsap_vtcore.c and wsap_vtcore.h. Co-Authored-By: Claude Haiku 5.5

Report selection allocation failure instead of truncating

2026-10-15T09:42:11+00:00

On a screen taller than 256 rows the selection's row list is allocated. When that failed, it fell back to the 256-entry stack array, so the selection and the snapshot's selection spans silently stopped at row 256 while every call still reported success. lines_init() now reports the failure. term_select_start() and term_select_extend() return false and leave the selection unchanged, term_snapshot_update() fails and keeps its previous content, and the text getters return NULL, as they do for their other allocations. Co-Authored-By: Claude Opus 5.5

Keep the snapshot unchanged when an update fails

2026-10-15T09:38:32+00:00

term_snapshot_update converted the viewport in place, so an allocation that failed midway left the snapshot empty and a renderer painted a blank frame. Split the update into two phases. Phase 1 makes every allocation the update needs and counts the arena words the converted rows add, then grows the arena once. Phase 2 writes the view, cells, keys, clusters, and selection, and cannot fail. A failed update now keeps the previous content, and a retry is an ordinary incremental update. invalidate() is removed. The term_snapshot_update comment and the correctness audit now say the snapshot keeps its previous content. The failure test fails each allocation in turn from the same starting state. After every failed call it compares the view, cells, row keys, selection spans, and cluster code points with the state before the call. A retry must succeed and match a fresh capture. The cases are a first update, a 32 by 16 screen of ZWJ families and regional-indicator flags (arena growth), a resize, a 300-row screen (scratch arrays), and a long scroll run. Co-Authored-By: Claude Haiku 5.5

Fix snapshot failure test under LTO

2026-10-15T09:04:04+00:00

Fix snapshot storage and allocation failure correctness

2026-10-15T08:31:50+00:00

Account for cluster records discarded by snapshot scrolling, propagate snapshot allocation failures with an empty retryable view, and allocate resized screens before mutating visible state. Add bounded-memory and allocation-failure regressions, and update the saved diagnostic and audit report.