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vim-patch:8.1.2268: spell file flag zero is not recognized

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Problem:    Spell file flag zero is not recognized.
Solution:   Use -1 as an error value, so that zero can be used as a valid flag
            number.
3d2a47c782
This commit is contained in:
Jan Edmund Lazo
2019-11-07 23:00:27 -05:00
parent 3e2f7baf21
commit 805a577f71
2 changed files with 20 additions and 6 deletions
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17
src/nvim/spellfile.c
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@@ -265,6 +265,8 @@
// follow; never used in prefix tree
#define BY_SPECIAL BY_FLAGS2 // highest special byte value
#define ZERO_FLAG 65009 // used when flag is zero: "0"
// Flags used in .spl file for soundsalike flags.
#define SAL_F0LLOWUP 1
#define SAL_COLLAPSE 2
@@ -2783,6 +2785,7 @@ static unsigned affitem2flag(int flagtype, char_u *item, char_u *fname, int lnum
}
// Get one affix name from "*pp" and advance the pointer.
// Returns ZERO_FLAG for "0".
// Returns zero for an error, still advances the pointer then.
static unsigned get_affitem(int flagtype, char_u **pp)
{
@@ -2794,6 +2797,9 @@ static unsigned get_affitem(int flagtype, char_u **pp)
return 0;
}
res = getdigits_int(pp, true, 0);
if (res == 0) {
res = ZERO_FLAG;
}
} else {
res = mb_ptr2char_adv((const char_u **)pp);
if (flagtype == AFT_LONG || (flagtype == AFT_CAPLONG
@@ -2915,10 +2921,15 @@ static bool flag_in_afflist(int flagtype, char_u *afflist, unsigned flag)
int digits = getdigits_int(&p, true, 0);
assert(digits >= 0);
n = (unsigned int)digits;
if (n == flag)
if (n == 0) {
n = ZERO_FLAG;
}
if (n == flag) {
return true;
if (*p != NUL) // skip over comma
++p;
}
if (*p != NUL) { // skip over comma
p++;
}
}
break;
}