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#include <unistd.h>
#include <errno.h>
#include "readclose.h"
ssize_t readclose_append(int fd,stralloc *sa,size_t bufsize)
{
ssize_t r;
for (;;) {
if (!stralloc_readyplus(sa,bufsize)) { close(fd); return -1; }
r = read(fd,sa->s + sa->len,bufsize);
if (r == -1) if (errno == EINTR) continue;
if (r <= 0) { close(fd); return r; }
sa->len += (size_t)r;
}
}
ssize_t readclose(int fd,stralloc *sa,size_t bufsize)
{
if (!stralloc_copys(sa,"")) { close(fd); return -1; }
return readclose_append(fd,sa,bufsize);
}
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