1 /* Public domain. */
2
3 #include <unistd.h>
4 #include "error.h"
5 #include "readclose.h"
6
readclose_append(int fd,stralloc * sa,unsigned int bufsize)7 int readclose_append(int fd,stralloc *sa,unsigned int bufsize)
8 {
9 int r;
10 for (;;) {
11 if (!stralloc_readyplus(sa,bufsize)) { close(fd); return -1; }
12 r = read(fd,sa->s + sa->len,bufsize);
13 if (r == -1) if (errno == error_intr) continue;
14 if (r <= 0) { close(fd); return r; }
15 sa->len += r;
16 }
17 }
18
readclose(int fd,stralloc * sa,unsigned int bufsize)19 int readclose(int fd,stralloc *sa,unsigned int bufsize)
20 {
21 if (!stralloc_copys(sa,"")) { close(fd); return -1; }
22 return readclose_append(fd,sa,bufsize);
23 }
24