diff options
Diffstat (limited to 'src/libstddjb/openreadnclose.c')
-rw-r--r-- | src/libstddjb/openreadnclose.c | 28 |
1 files changed, 17 insertions, 11 deletions
diff --git a/src/libstddjb/openreadnclose.c b/src/libstddjb/openreadnclose.c index b0cf5d0..40edea9 100644 --- a/src/libstddjb/openreadnclose.c +++ b/src/libstddjb/openreadnclose.c @@ -4,18 +4,24 @@ #include <skalibs/allreadwrite.h> #include <skalibs/djbunix.h> -int openreadnclose (char const *file, char *s, unsigned int n) +static int readnclose (int fd, char *s, unsigned int n) { - register int r ; - int fd = open_readb(file) ; - if (fd == -1) return -1 ; - r = allread(fd, s, n) ; - if (r == -1) - { - fd_close(fd) ; - return -1 ; - } + register int r = allread(fd, s, n) ; + register int e = errno ; fd_close(fd) ; - if ((r > 0) && (r < (int)n)) errno = EPIPE ; + if ((r > 0) && (r < (int)n)) e = EPIPE ; + errno = e ; return r ; } + +int openreadnclose (char const *file, char *s, unsigned int n) +{ + register int fd = open_readb(file) ; + return fd < 0 ? fd : readnclose(fd, s, n) ; +} + +int openreadnclose_nb (char const *file, char *s, unsigned int n) +{ + register int fd = open_read(file) ; + return fd < 0 ? fd : readnclose(fd, s, n) ; +} |