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kitty: check more return values

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nick black 2021-08-02 02:51:51 -04:00 committed by nick black
parent 42338f4d5d
commit 98559b1911
1 changed files with 32 additions and 12 deletions
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44
src/lib/kitty.c
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@ -417,28 +417,38 @@ int kitty_wipe_selfref(sprixel* s, int ycell, int xcell){
}
logdebug("Wiping sprixel %u at %d/%d\n", s->id, ycell, xcell);
fbuf* f = &s->glyph;
fbuf_printf(f, "\e_Ga=f,x=%d,y=%d,s=%d,v=%d,i=%d,X=1,r=2,c=1,q=2;",
xcell * s->cellpxx, ycell * s->cellpxy,
s->cellpxx, s->cellpxy, s->id);
if(fbuf_printf(f, "\e_Ga=f,x=%d,y=%d,s=%d,v=%d,i=%d,X=1,r=2,c=1,q=2;",
xcell * s->cellpxx, ycell * s->cellpxy,
s->cellpxx, s->cellpxy, s->id) < 0){
return -1;
}
// FIXME ought be smaller around the fringes!
int totalp = s->cellpxy * s->cellpxx;
// FIXME preserve so long as cellpixel geom stays constant?
#define TRINULLALPHA "AAAAAAAAAAAAAAAA"
for(int p = 0 ; p + 3 <= totalp ; p += 3){
fbuf_putn(f, TRINULLALPHA, strlen(TRINULLALPHA));
if(fbuf_putn(f, TRINULLALPHA, strlen(TRINULLALPHA)) < 0){
return -1;
}
}
#undef TRINULLALPHA
if(totalp % 3 == 1){
#define UNUMNULLALPHA "AAAAAA=="
fbuf_putn(f, UNUMNULLALPHA, strlen(UNUMNULLALPHA));
if(fbuf_putn(f, UNUMNULLALPHA, strlen(UNUMNULLALPHA)) < 0){
return -1;
}
#undef UNUMNULLALPHA
}else if(totalp % 3 == 2){
#define DUONULLALPHA "AAAAAAAAAAA="
fbuf_putn(f, DUONULLALPHA, strlen(DUONULLALPHA));
if(fbuf_putn(f, DUONULLALPHA, strlen(DUONULLALPHA)) < 0){
return -1;
}
#undef DUONULLALPHA
}
// FIXME need chunking for cells of 768+ pixels
fbuf_printf(f, "\e\\\e_Ga=a,i=%d,c=2,q=2;\e\\", s->id);
if(fbuf_printf(f, "\e\\\e_Ga=a,i=%d,c=2,q=2;\e\\", s->id) < 0){
return -1;
}
s->invalidated = SPRIXEL_INVALIDATED;
return 1;
}
@ -586,11 +596,15 @@ encode_and_chunkify(fbuf* f, z_stream* zctx, int pixy, int pixx){
unsigned long max = i + 4096 * 3 / 4;
while(i < max){
base64x3(buf + i, b64d);
fbuf_putn(f, b64d, 4);
if(fbuf_putn(f, b64d, 4) < 0){
return -1;
}
i += 3;
}
first = false;
fbuf_putn(f, "\x1b\\", 2);
if(fbuf_putn(f, "\x1b\\", 2) < 0){
return -1;
}
}
if(!first){
if(fbuf_putn(f, "\x1b_Gm=0;", 7) < 0){
@ -600,15 +614,21 @@ encode_and_chunkify(fbuf* f, z_stream* zctx, int pixy, int pixx){
while(i < totw){
if(totw - i < 3){
base64final(buf + i, b64d, totw - i);
fbuf_putn(f, b64d, 4);
if(fbuf_putn(f, b64d, 4) < 0){
return -1;
}
i += totw - i;
}else{
base64x3(buf + i, b64d);
fbuf_putn(f, b64d, 4);
if(fbuf_putn(f, b64d, 4) < 0){
return -1;
}
i += 3;
}
}
fbuf_putn(f, "\x1b\\", 2);
if(fbuf_putn(f, "\x1b\\", 2) < 0){
return -1;
}
return 0;
}