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check for support in ncdirect_on_styles()

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nick black 2021-07-24 21:31:15 -04:00
parent 540442fe9f
commit 93fe6db376
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GPG Key ID: 5F43400C21CBFACC
1 changed files with 10 additions and 7 deletions
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17
src/lib/direct.c
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@ -959,11 +959,14 @@ int ncdirect_styles_on(ncdirect* n, unsigned stylebits){
}
int ncdirect_on_styles(ncdirect* n, unsigned stylebits){
uint32_t stylemask = n->stylemask | stylebits;
if(ncdirect_style_emit(n, stylemask, n->ttyfp) == 0){
return 0;
if((stylebits & n->tcache.supported_styles) < stylebits){ // unsupported styles
return -1;
}
return -1;
uint32_t stylemask = n->stylemask | stylebits;
if(ncdirect_style_emit(n, stylemask, n->ttyfp)){
return -1;
}
return 0;
}
int ncdirect_styles_off(ncdirect* n, unsigned stylebits){
@ -977,10 +980,10 @@ unsigned ncdirect_styles(ncdirect* n){
// turn off any specified stylebits
int ncdirect_off_styles(ncdirect* n, unsigned stylebits){
uint32_t stylemask = n->stylemask & ~stylebits;
if(ncdirect_style_emit(n, stylemask, n->ttyfp) == 0){
return 0;
if(ncdirect_style_emit(n, stylemask, n->ttyfp)){
return -1;
}
return -1;
return 0;
}
int ncdirect_styles_set(ncdirect* n, unsigned stylebits){