return legal indexes for some display.h macros

Some static analyzers flagged the last-resort values as
out of bounds (which they were).

There's a small number of other complaint-suppression items in here too,
but nothing drastic.
This commit is contained in:
nhmall
2022-09-06 10:00:07 -04:00
parent 817b4686ce
commit 0086e01967
6 changed files with 93 additions and 84 deletions

View File

@@ -710,6 +710,7 @@ enum glyph_offsets {
((glyph) >= GLYPH_CMAP_STONE_OFF \
&& (glyph) < (GLYPH_CMAP_C_OFF + ((S_goodpos - S_digbeam) + 1)))
/* final MAXPCHARS is legal array index because of trailing fencepost entry */
#define glyph_to_cmap(glyph) \
(((glyph) == GLYPH_CMAP_STONE_OFF) \
? S_stone \
@@ -733,7 +734,7 @@ enum glyph_offsets {
? (((glyph) - GLYPH_CMAP_C_OFF) + S_digbeam) \
: glyph_is_cmap_zap(glyph) \
? ((((glyph) - GLYPH_ZAP_OFF) % 4) + S_vbeam) \
: NO_GLYPH)
: MAXPCHARS)
#define glyph_to_swallow(glyph) \
(glyph_is_swallow(glyph) ? (((glyph) - GLYPH_SWALLOW_OFF) & 0x7) : 0)
@@ -779,6 +780,7 @@ enum glyph_offsets {
|| glyph_is_ridden_monster(glyph) || glyph_is_detected_monster(glyph))
#define glyph_is_invisible(glyph) ((glyph) == GLYPH_INVISIBLE)
/* final NUMMONS is legal array index because of trailing fencepost entry */
#define glyph_to_mon(glyph) \
(glyph_is_normal_female_monster(glyph) \
? ((glyph) - GLYPH_MON_FEM_OFF) \
@@ -796,7 +798,7 @@ enum glyph_offsets {
? ((glyph) - GLYPH_RIDDEN_FEM_OFF) \
: glyph_is_ridden_male_monster(glyph) \
? ((glyph) - GLYPH_RIDDEN_MALE_OFF) \
: NO_GLYPH)
: NUMMONS)
#define obj_is_piletop(obj) \
((obj)->where == OBJ_FLOOR \
@@ -876,6 +878,7 @@ enum glyph_offsets {
? (GLYPH_BODY_OFF))) \
: ((int) (obj)->otyp + GLYPH_OBJ_OFF))))
/* final NUM_OBJECTS is legal array idx because of trailing fencepost entry */
#define glyph_to_obj(glyph) \
(glyph_is_body(glyph) ? CORPSE \
: glyph_is_statue(glyph) ? STATUE \
@@ -883,7 +886,7 @@ enum glyph_offsets {
? ((glyph) - (glyph_is_normal_piletop_obj(glyph) \
? GLYPH_OBJ_PILETOP_OFF \
: GLYPH_OBJ_OFF)) \
: NO_GLYPH)
: NUM_OBJECTS)
#define glyph_to_body_corpsenm(glyph) \
(glyph_is_body_piletop(glyph) \