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Diffstat (limited to 'ncurses/tinfo/comp_parse.c')
-rw-r--r--ncurses/tinfo/comp_parse.c269
1 files changed, 192 insertions, 77 deletions
diff --git a/ncurses/tinfo/comp_parse.c b/ncurses/tinfo/comp_parse.c
index 82a61a52e35d..82c3fa2c950a 100644
--- a/ncurses/tinfo/comp_parse.c
+++ b/ncurses/tinfo/comp_parse.c
@@ -1,5 +1,5 @@
/****************************************************************************
- * Copyright (c) 1998-2012,2013 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2018,2019 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the *
@@ -47,16 +47,12 @@
#include <tic.h>
-MODULE_ID("$Id: comp_parse.c,v 1.90 2013/08/31 15:22:31 tom Exp $")
+MODULE_ID("$Id: comp_parse.c,v 1.108 2019/12/14 22:34:35 tom Exp $")
-static void sanity_check2(TERMTYPE *, bool);
-NCURSES_IMPEXP void NCURSES_API(*_nc_check_termtype2) (TERMTYPE *, bool) = sanity_check2;
+static void sanity_check2(TERMTYPE2 *, bool);
+NCURSES_IMPEXP void NCURSES_API(*_nc_check_termtype2) (TERMTYPE2 *, bool) = sanity_check2;
-/* obsolete: 20040705 */
-static void sanity_check(TERMTYPE *);
-NCURSES_IMPEXP void NCURSES_API(*_nc_check_termtype) (TERMTYPE *) = sanity_check;
-
-static void fixup_acsc(TERMTYPE *, int);
+static void fixup_acsc(TERMTYPE2 *, int);
static void
enqueue(ENTRY * ep)
@@ -75,6 +71,8 @@ enqueue(ENTRY * ep)
newp->last->next = newp;
}
+#define NAMEBUFFER_SIZE (MAX_NAME_SIZE + 2)
+
static char *
force_bar(char *dst, char *src)
{
@@ -82,8 +80,8 @@ force_bar(char *dst, char *src)
size_t len = strlen(src);
if (len > MAX_NAME_SIZE)
len = MAX_NAME_SIZE;
- (void) strncpy(dst, src, len);
- _nc_STRCPY(dst + len, "|", MAX_NAME_SIZE);
+ _nc_STRNCPY(dst, src, MAX_NAME_SIZE);
+ _nc_STRCPY(dst + len, "|", NAMEBUFFER_SIZE - len);
src = dst;
}
return src;
@@ -107,8 +105,8 @@ static bool
check_collisions(char *n1, char *n2, int counter)
{
char *pstart, *qstart, *pend, *qend;
- char nc1[MAX_NAME_SIZE + 2];
- char nc2[MAX_NAME_SIZE + 2];
+ char nc1[NAMEBUFFER_SIZE];
+ char nc2[NAMEBUFFER_SIZE];
n1 = ForceBar(nc1, n1);
n2 = ForceBar(nc2, n2);
@@ -182,11 +180,11 @@ remove_collision(char *n1, char *n2)
++qend;
while ((*qstart++ = *qend++) != '\0') ;
fprintf(stderr, "...now\t%s\n", p2);
+ removed = TRUE;
} else {
fprintf(stderr, "Cannot remove alias '%.*s'\n",
(int) (qend - qstart), qstart);
}
- removed = TRUE;
break;
}
}
@@ -267,6 +265,126 @@ _nc_read_entry_source(FILE *fp, char *buf,
_nc_suppress_warnings = oldsuppress;
}
+#if NCURSES_XNAMES
+static unsigned
+find_capname(TERMTYPE2 *p, const char *name)
+{
+ unsigned num_names = NUM_EXT_NAMES(p);
+ unsigned n;
+ if (name != 0) {
+ for (n = 0; n < num_names; ++n) {
+ if (!strcmp(p->ext_Names[n], name))
+ break;
+ }
+ } else {
+ n = num_names + 1;
+ }
+ return n;
+}
+
+static int
+extended_captype(TERMTYPE2 *p, unsigned which)
+{
+ int result = UNDEF;
+ unsigned limit = 0;
+ limit += p->ext_Booleans;
+ if (limit != 0 && which < limit) {
+ result = BOOLEAN;
+ } else {
+ limit += p->ext_Numbers;
+ if (limit != 0 && which < limit) {
+ result = NUMBER;
+ } else {
+ limit += p->ext_Strings;
+ if (limit != 0 && which < limit) {
+ result = STRING;
+ } else if (which >= limit) {
+ result = CANCEL;
+ }
+ }
+ }
+ return result;
+}
+
+static const char *
+name_of_captype(int which)
+{
+ const char *result = "?";
+ switch (which) {
+ case BOOLEAN:
+ result = "boolean";
+ break;
+ case NUMBER:
+ result = "number";
+ break;
+ case STRING:
+ result = "string";
+ break;
+ }
+ return result;
+}
+
+#define valid_TERMTYPE2(p) \
+ ((p) != 0 && \
+ (p)->term_names != 0 && \
+ (p)->ext_Names != 0)
+
+/*
+ * Disallow changing the type of an extended capability when doing a "use"
+ * if one or the other is a string.
+ */
+static int
+invalid_merge(TERMTYPE2 *to, TERMTYPE2 *from)
+{
+ int rc = FALSE;
+ if (valid_TERMTYPE2(to)
+ && valid_TERMTYPE2(from)) {
+ char *to_name = _nc_first_name(to->term_names);
+ char *from_name = strdup(_nc_first_name(from->term_names));
+ unsigned num_names = NUM_EXT_NAMES(from);
+ unsigned n;
+
+ for (n = 0; n < num_names; ++n) {
+ const char *capname = from->ext_Names[n];
+ int tt = extended_captype(to, find_capname(to, capname));
+ int tf = extended_captype(from, n);
+
+ if (tt <= STRING
+ && tf <= STRING
+ && (tt == STRING) != (tf == STRING)) {
+ if (from_name != 0 && strcmp(to_name, from_name)) {
+ DEBUG(2,
+ ("merge of %s to %s changes type of %s from %s to %s",
+ from_name,
+ to_name,
+ from->ext_Names[n],
+ name_of_captype(tf),
+ name_of_captype(tt)));
+ } else {
+ DEBUG(2, ("merge of %s changes type of %s from %s to %s",
+ to_name,
+ from->ext_Names[n],
+ name_of_captype(tf),
+ name_of_captype(tt)));
+ }
+ _nc_warning("merge changes type of %s from %s to %s",
+ from->ext_Names[n],
+ name_of_captype(tf),
+ name_of_captype(tt));
+ rc = TRUE;
+ }
+ }
+ free(from_name);
+ }
+ return rc;
+}
+#define validate_merge(p, q) \
+ if (invalid_merge(&((p)->tterm), &((q)->tterm))) \
+ return FALSE
+#else
+#define validate_merge(p, q) /* nothing */
+#endif
+
NCURSES_EXPORT(int)
_nc_resolve_uses2(bool fullresolve, bool literal)
/* try to resolve all use capabilities */
@@ -319,6 +437,9 @@ _nc_resolve_uses2(bool fullresolve, bool literal)
char *lookfor = qp->uses[i].name;
long lookline = qp->uses[i].line;
+ if (lookfor == 0)
+ continue;
+
foundit = FALSE;
_nc_set_type(child);
@@ -337,11 +458,11 @@ _nc_resolve_uses2(bool fullresolve, bool literal)
/* if that didn't work, try to merge in a compiled entry */
if (!foundit) {
- TERMTYPE thisterm;
+ TERMTYPE2 thisterm;
char filename[PATH_MAX];
memset(&thisterm, 0, sizeof(thisterm));
- if (_nc_read_entry(lookfor, filename, &thisterm) == 1) {
+ if (_nc_read_entry2(lookfor, filename, &thisterm) == 1) {
DEBUG(2, ("%s: resolving use=%s (compiled)",
child, lookfor));
@@ -382,7 +503,7 @@ _nc_resolve_uses2(bool fullresolve, bool literal)
*/
if (fullresolve) {
do {
- TERMTYPE merged;
+ ENTRY merged;
keepgoing = FALSE;
@@ -396,7 +517,8 @@ _nc_resolve_uses2(bool fullresolve, bool literal)
* subsequent pass.
*/
for (i = 0; i < qp->nuses; i++)
- if (qp->uses[i].link->nuses) {
+ if (qp->uses[i].link
+ && qp->uses[i].link->nuses) {
DEBUG(2, ("%s: use entry %d unresolved",
_nc_first_name(qp->tterm.term_names), i));
goto incomplete;
@@ -408,20 +530,24 @@ _nc_resolve_uses2(bool fullresolve, bool literal)
* the merged entry the name field and string
* table pointer.
*/
- _nc_copy_termtype(&merged, &(qp->tterm));
+ _nc_copy_termtype2(&(merged.tterm), &(qp->tterm));
/*
* Now merge in each use entry in the proper
* (reverse) order.
*/
- for (; qp->nuses; qp->nuses--)
+ for (; qp->nuses; qp->nuses--) {
+ validate_merge(&merged,
+ qp->uses[qp->nuses - 1].link);
_nc_merge_entry(&merged,
- &qp->uses[qp->nuses - 1].link->tterm);
+ qp->uses[qp->nuses - 1].link);
+ }
/*
* Now merge in the original entry.
*/
- _nc_merge_entry(&merged, &qp->tterm);
+ validate_merge(&merged, qp);
+ _nc_merge_entry(&merged, qp);
/*
* Replace the original entry with the merged one.
@@ -432,7 +558,7 @@ _nc_resolve_uses2(bool fullresolve, bool literal)
#if NCURSES_XNAMES
FreeIfNeeded(qp->tterm.ext_Names);
#endif
- qp->tterm = merged;
+ qp->tterm = merged.tterm;
_nc_wrap_entry(qp, TRUE);
/*
@@ -459,54 +585,46 @@ _nc_resolve_uses2(bool fullresolve, bool literal)
DEBUG(2, ("RESOLUTION FINISHED"));
- if (fullresolve)
- if (_nc_check_termtype != 0) {
- _nc_curr_col = -1;
- for_entry_list(qp) {
- _nc_curr_line = (int) qp->startline;
- _nc_set_type(_nc_first_name(qp->tterm.term_names));
+ if (fullresolve) {
+ _nc_curr_col = -1;
+ for_entry_list(qp) {
+ _nc_curr_line = (int) qp->startline;
+ _nc_set_type(_nc_first_name(qp->tterm.term_names));
+ /*
+ * tic overrides this function pointer to provide more verbose
+ * checking.
+ */
+ if (_nc_check_termtype2 != sanity_check2) {
+ SCREEN *save_SP = SP;
+ SCREEN fake_sp;
+ TERMINAL fake_tm;
+ TERMINAL *save_tm = cur_term;
+
/*
- * tic overrides this function pointer to provide more verbose
- * checking.
+ * Setup so that tic can use ordinary terminfo interface to
+ * obtain capability information.
*/
- if (_nc_check_termtype2 != sanity_check2) {
- SCREEN *save_SP = SP;
- SCREEN fake_sp;
- TERMINAL fake_tm;
- TERMINAL *save_tm = cur_term;
-
- /*
- * Setup so that tic can use ordinary terminfo interface
- * to obtain capability information.
- */
- memset(&fake_sp, 0, sizeof(fake_sp));
- memset(&fake_tm, 0, sizeof(fake_tm));
- fake_sp._term = &fake_tm;
- fake_tm.type = qp->tterm;
- _nc_set_screen(&fake_sp);
- set_curterm(&fake_tm);
-
- _nc_check_termtype2(&qp->tterm, literal);
-
- _nc_set_screen(save_SP);
- set_curterm(save_tm);
- } else {
- fixup_acsc(&qp->tterm, literal);
- }
+ memset(&fake_sp, 0, sizeof(fake_sp));
+ memset(&fake_tm, 0, sizeof(fake_tm));
+ fake_sp._term = &fake_tm;
+ TerminalType(&fake_tm) = qp->tterm;
+ _nc_set_screen(&fake_sp);
+ set_curterm(&fake_tm);
+
+ _nc_check_termtype2(&qp->tterm, literal);
+
+ _nc_set_screen(save_SP);
+ set_curterm(save_tm);
+ } else {
+ fixup_acsc(&qp->tterm, literal);
}
- DEBUG(2, ("SANITY CHECK FINISHED"));
}
+ DEBUG(2, ("SANITY CHECK FINISHED"));
+ }
return (TRUE);
}
-/* obsolete: 20040705 */
-NCURSES_EXPORT(int)
-_nc_resolve_uses(bool fullresolve)
-{
- return _nc_resolve_uses2(fullresolve, FALSE);
-}
-
/*
* This bit of legerdemain turns all the terminfo variable names into
* references to locations in the arrays Booleans, Numbers, and Strings ---
@@ -517,18 +635,18 @@ _nc_resolve_uses(bool fullresolve)
#define CUR tp->
static void
-fixup_acsc(TERMTYPE *tp, int literal)
+fixup_acsc(TERMTYPE2 *tp, int literal)
{
if (!literal) {
- if (acs_chars == 0
- && enter_alt_charset_mode != 0
- && exit_alt_charset_mode != 0)
+ if (acs_chars == ABSENT_STRING
+ && PRESENT(enter_alt_charset_mode)
+ && PRESENT(exit_alt_charset_mode))
acs_chars = strdup(VT_ACSC);
}
}
static void
-sanity_check2(TERMTYPE *tp, bool literal)
+sanity_check2(TERMTYPE2 *tp, bool literal)
{
if (!PRESENT(exit_attribute_mode)) {
#ifdef __UNUSED__ /* this casts too wide a net */
@@ -547,7 +665,9 @@ sanity_check2(TERMTYPE *tp, bool literal)
#endif /* __UNUSED__ */
PAIRED(enter_standout_mode, exit_standout_mode);
PAIRED(enter_underline_mode, exit_underline_mode);
+#if defined(enter_italics_mode) && defined(exit_italics_mode)
PAIRED(enter_italics_mode, exit_italics_mode);
+#endif
}
/* we do this check/fix in postprocess_termcap(), but some packagers
@@ -578,23 +698,18 @@ sanity_check2(TERMTYPE *tp, bool literal)
PAIRED(enter_xon_mode, exit_xon_mode);
PAIRED(enter_am_mode, exit_am_mode);
ANDMISSING(label_off, label_on);
-#ifdef remove_clock
+#if defined(display_clock) && defined(remove_clock)
PAIRED(display_clock, remove_clock);
#endif
ANDMISSING(set_color_pair, initialize_pair);
}
-/* obsolete: 20040705 */
-static void
-sanity_check(TERMTYPE *tp)
-{
- sanity_check2(tp, FALSE);
-}
-
#if NO_LEAKS
NCURSES_EXPORT(void)
_nc_leaks_tic(void)
{
+ T((T_CALLED("_nc_free_tic()")));
+ _nc_globals.leak_checking = TRUE;
_nc_alloc_entry_leaks();
_nc_captoinfo_leaks();
_nc_comp_scan_leaks();
@@ -609,6 +724,6 @@ NCURSES_EXPORT(void)
_nc_free_tic(int code)
{
_nc_leaks_tic();
- _nc_free_tinfo(code);
+ exit_terminfo(code);
}
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-25 12:31:33 +0000