mars_nwe/mars-libowfat
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gcc 15 and C23 force some union trickery on buffer.h :-(

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add a few buffer_init*_forread variants to pretend we have type safety
  make sure buffer_init_staticcontents handles flushing attempts
This commit is contained in:
leitner
2025-04-22 09:32:03 +00:00
parent 9bf6db9a02
commit b7b8a0efc1
37 changed files with 325 additions and 64 deletions
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10
buffer/buffer_flush.c
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@@ -1,13 +1,15 @@
#include "buffer.h"
extern ssize_t buffer_stubborn(ssize_t (*op)(),int fd,const char* buf, size_t len,void* cookie);
extern ssize_t buffer_stubborn(ssize_t (*op)(int fd,const char* buf,size_t len,void* cookie),int fd,const char* buf, size_t len,void* cookie);
extern int buffer_flush(buffer* b) {
register size_t p;
register ssize_t r;
if (!(p=b->p)) return 0; /* buffer already empty */
b->p=0;
r=buffer_stubborn(b->op,b->fd,b->x,p,b);
if (r>0) r=0;
r=buffer_stubborn(b->op.wopc,b->fd,b->x,p,b);
if (r>0) {
r=0;
b->p=0;
}
return (int)r;
}