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throw somed attributes on a few functions

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nick black 2020-05-21 21:10:04 -04:00
parent 7e12436196
commit 7215bf92ad
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4 changed files with 8 additions and 5 deletions
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1
include/notcurses/notcurses.h
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@ -554,6 +554,7 @@ cell_init(cell* c){
// Breaks the UTF-8 string in 'gcluster' down, setting up the cell 'c'. Returns
// the number of bytes copied out of 'gcluster', or -1 on failure. The styling
// of the cell is left untouched, but any resources are released.
__attribute__ ((nonnull (1, 2, 3)))
API int cell_load(struct ncplane* n, cell* c, const char* gcluster);
// cell_load(), plus blast the styling with 'attr' and 'channels'.

6
src/lib/egcpool.h
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@ -110,7 +110,7 @@ egcpool_alloc_justified(const egcpool* pool, int len){
// should not be less than 2 bytes (such a cluster should be directly stored in
// the cell). returns -1 on error, and otherwise a non-negative offset. 'ulen'
// must be the number of bytes to lift from egc (utf8_egc_len()).
static inline int
__attribute__ ((nonnull (1, 2))) static inline int
egcpool_stash(egcpool* pool, const char* egc, size_t ulen){
int len = ulen + 1; // count the NUL terminator
if(len <= 2){ // should never be empty, nor a single byte + NUL
@ -236,8 +236,8 @@ egcpool_dump(egcpool* pool){
pool->poolused = 0;
}
static inline const char*
egcpool_extended_gcluster(const egcpool* pool, const cell* c){
__attribute__ ((__returns_nonnull__)) static inline const char*
egcpool_extended_gcluster(const egcpool* pool, const cell* c) {
uint32_t idx = cell_egc_idx(c);
return pool->pool + idx;
}

5
src/lib/internal.h
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@ -599,8 +599,9 @@ cell_duplicate_far(egcpool* tpool, cell* targ, const ncplane* splane, const cell
targ->gcluster = c->gcluster;
return !!c->gcluster;
}
size_t ulen = strlen(extended_gcluster(splane, c));
int eoffset = egcpool_stash(tpool, extended_gcluster(splane, c), ulen);
const char* egc = extended_gcluster(splane, c);
size_t ulen = strlen(egc);
int eoffset = egcpool_stash(tpool, egc, ulen);
if(eoffset < 0){
return -1;
}

1
src/lib/render.c
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@ -374,6 +374,7 @@ fprintf(stderr, "WROTE %u [%s] to %d/%d (%d/%d)\n", targc->gcluster, extended_gc
return 0;
}
// it's not a pure memset(), because CELL_ALPHA_OPAQUE is the zero value
static void
init_fb(cell* fb, int dimy, int dimx){
for(int y = 0 ; y < dimy ; ++y){