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vim-patch:9.1.0638: E1510 may happen when formatting a message for smsg() (#29907)

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Problem:  E1510 may happen when formatting a message
          (after 9.1.0181).
Solution: Only give E1510 when using typval. (zeertzjq)

closes: vim/vim#15391

0dff31576a
This commit is contained in:
zeertzjq 2024-07-30 06:26:09 +08:00 committed by GitHub
parent 94d42a3e72
commit d131c48c82
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GPG Key ID: B5690EEEBB952194
2 changed files with 55 additions and 37 deletions
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76
src/nvim/strings.c
View File

@ -1005,7 +1005,7 @@ static void format_overflow_error(const char *pstart)
enum { MAX_ALLOWED_STRING_WIDTH = 6400, };
static int get_unsigned_int(const char *pstart, const char **p, unsigned *uj)
static int get_unsigned_int(const char *pstart, const char **p, unsigned *uj, bool overflow_err)
{
*uj = (unsigned)(**p - '0');
(*p)++;
@ -1016,8 +1016,12 @@ static int get_unsigned_int(const char *pstart, const char **p, unsigned *uj)
}
if (*uj > MAX_ALLOWED_STRING_WIDTH) {
format_overflow_error(pstart);
return FAIL;
if (overflow_err) {
format_overflow_error(pstart);
return FAIL;
} else {
*uj = MAX_ALLOWED_STRING_WIDTH;
}
}
return OK;
@ -1078,7 +1082,7 @@ static int parse_fmt_types(const char ***ap_types, int *num_posarg, const char *
// Positional argument
unsigned uj;
if (get_unsigned_int(pstart, &p, &uj) == FAIL) {
if (get_unsigned_int(pstart, &p, &uj, tvs != NULL) == FAIL) {
goto error;
}
@ -1121,7 +1125,7 @@ static int parse_fmt_types(const char ***ap_types, int *num_posarg, const char *
// Positional argument field width
unsigned uj;
if (get_unsigned_int(arg + 1, &p, &uj) == FAIL) {
if (get_unsigned_int(arg + 1, &p, &uj, tvs != NULL) == FAIL) {
goto error;
}
@ -1147,7 +1151,7 @@ static int parse_fmt_types(const char ***ap_types, int *num_posarg, const char *
const char *digstart = p;
unsigned uj;
if (get_unsigned_int(digstart, &p, &uj) == FAIL) {
if (get_unsigned_int(digstart, &p, &uj, tvs != NULL) == FAIL) {
goto error;
}
@ -1168,7 +1172,7 @@ static int parse_fmt_types(const char ***ap_types, int *num_posarg, const char *
// Parse precision
unsigned uj;
if (get_unsigned_int(arg + 1, &p, &uj) == FAIL) {
if (get_unsigned_int(arg + 1, &p, &uj, tvs != NULL) == FAIL) {
goto error;
}
@ -1195,7 +1199,7 @@ static int parse_fmt_types(const char ***ap_types, int *num_posarg, const char *
const char *digstart = p;
unsigned uj;
if (get_unsigned_int(digstart, &p, &uj) == FAIL) {
if (get_unsigned_int(digstart, &p, &uj, tvs != NULL) == FAIL) {
goto error;
}
@ -1491,7 +1495,7 @@ int vim_vsnprintf_typval(char *str, size_t str_m, const char *fmt, va_list ap_st
const char *digstart = p;
unsigned uj;
if (get_unsigned_int(digstart, &p, &uj) == FAIL) {
if (get_unsigned_int(digstart, &p, &uj, tvs != NULL) == FAIL) {
goto error;
}
@ -1533,7 +1537,7 @@ int vim_vsnprintf_typval(char *str, size_t str_m, const char *fmt, va_list ap_st
// Positional argument field width
unsigned uj;
if (get_unsigned_int(digstart, &p, &uj) == FAIL) {
if (get_unsigned_int(digstart, &p, &uj, tvs != NULL) == FAIL) {
goto error;
}
@ -1542,15 +1546,19 @@ int vim_vsnprintf_typval(char *str, size_t str_m, const char *fmt, va_list ap_st
p++;
}
const int j = (tvs
? (int)tv_nr(tvs, &arg_idx)
: (skip_to_arg(ap_types, ap_start, &ap, &arg_idx,
&arg_cur, fmt),
va_arg(ap, int)));
int j = (tvs
? (int)tv_nr(tvs, &arg_idx)
: (skip_to_arg(ap_types, ap_start, &ap, &arg_idx,
&arg_cur, fmt),
va_arg(ap, int)));
if (j > MAX_ALLOWED_STRING_WIDTH) {
format_overflow_error(digstart);
goto error;
if (tvs != NULL) {
format_overflow_error(digstart);
goto error;
} else {
j = MAX_ALLOWED_STRING_WIDTH;
}
}
if (j >= 0) {
@ -1565,12 +1573,7 @@ int vim_vsnprintf_typval(char *str, size_t str_m, const char *fmt, va_list ap_st
const char *digstart = p;
unsigned uj;
if (get_unsigned_int(digstart, &p, &uj) == FAIL) {
goto error;
}
if (uj > MAX_ALLOWED_STRING_WIDTH) {
format_overflow_error(digstart);
if (get_unsigned_int(digstart, &p, &uj, tvs != NULL) == FAIL) {
goto error;
}
@ -1588,12 +1591,7 @@ int vim_vsnprintf_typval(char *str, size_t str_m, const char *fmt, va_list ap_st
const char *digstart = p;
unsigned uj;
if (get_unsigned_int(digstart, &p, &uj) == FAIL) {
goto error;
}
if (uj > MAX_ALLOWED_STRING_WIDTH) {
format_overflow_error(digstart);
if (get_unsigned_int(digstart, &p, &uj, tvs != NULL) == FAIL) {
goto error;
}
@ -1607,7 +1605,7 @@ int vim_vsnprintf_typval(char *str, size_t str_m, const char *fmt, va_list ap_st
// positional argument
unsigned uj;
if (get_unsigned_int(digstart, &p, &uj) == FAIL) {
if (get_unsigned_int(digstart, &p, &uj, tvs != NULL) == FAIL) {
goto error;
}
@ -1616,15 +1614,19 @@ int vim_vsnprintf_typval(char *str, size_t str_m, const char *fmt, va_list ap_st
p++;
}
const int j = (tvs
? (int)tv_nr(tvs, &arg_idx)
: (skip_to_arg(ap_types, ap_start, &ap, &arg_idx,
&arg_cur, fmt),
va_arg(ap, int)));
int j = (tvs
? (int)tv_nr(tvs, &arg_idx)
: (skip_to_arg(ap_types, ap_start, &ap, &arg_idx,
&arg_cur, fmt),
va_arg(ap, int)));
if (j > MAX_ALLOWED_STRING_WIDTH) {
format_overflow_error(digstart);
goto error;
if (tvs != NULL) {
format_overflow_error(digstart);
goto error;
} else {
j = MAX_ALLOWED_STRING_WIDTH;
}
}
if (j >= 0) {

16
test/old/testdir/test_spellfile.vim
View File

@ -846,6 +846,22 @@ func Test_spell_add_word()
%bw!
endfunc
func Test_spell_add_long_word()
set spell spellfile=./Xspellfile.add spelllang=en
let word = repeat('a', 9000)
let v:errmsg = ''
" Spell checking doesn't really work for such a long word,
" but this should not cause an E1510 error.
exe 'spellgood ' .. word
call assert_equal('', v:errmsg)
call assert_equal([word], readfile('./Xspellfile.add'))
set spell& spellfile= spelllang& encoding=utf-8
call delete('./Xspellfile.add')
call delete('./Xspellfile.add.spl')
endfunc
func Test_spellfile_verbose()
call writefile(['1', 'one'], 'XtestVerbose.dic', 'D')
call writefile([], 'XtestVerbose.aff', 'D')