1 /* ISC license. */
2
3 #include <sys/types.h>
4 #include <errno.h>
5 #include <skalibs/allreadwrite.h>
6 #include <skalibs/djbunix.h>
7
readnclose(int fd,char * s,size_t n)8 static ssize_t readnclose (int fd, char *s, size_t n)
9 {
10 size_t r ;
11 errno = 0 ;
12 r = allread(fd, s, n) ;
13 if (errno)
14 {
15 fd_close(fd) ;
16 return -1 ;
17 }
18 fd_close(fd) ;
19 if (r < n) errno = EPIPE ;
20 return r ;
21 }
22
openreadnclose(char const * file,char * s,size_t n)23 ssize_t openreadnclose (char const *file, char *s, size_t n)
24 {
25 int fd = openbc_read(file) ;
26 return fd < 0 ? fd : readnclose(fd, s, n) ;
27 }
28
openreadnclose_nb(char const * file,char * s,size_t n)29 ssize_t openreadnclose_nb (char const *file, char *s, size_t n)
30 {
31 int fd = openc_read(file) ;
32 return fd < 0 ? fd : readnclose(fd, s, n) ;
33 }
34