File: buffer_put.c

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#include "byte.h"
#include "buffer.h"

extern int buffer_stubborn(ssize_t (*op)(),int fd,const char* buf, size_t len,void* cookie);

int buffer_put(buffer* b,const char* buf,size_t len) {
  if (len>b->a-b->p) {	/* doesn't fit */
    if (buffer_flush(b)==-1) return -1;
    if (len>b->a) {
      if (buffer_stubborn(b->op,b->fd,buf,len,b)<0) return -1;
      return 0;
    }
  }
  byte_copy(b->x+b->p, len, buf);
  b->p+=len;
  return 0;
}