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Diffstat (limited to 'src/libstddjb/readnclose.c')
-rw-r--r--src/libstddjb/readnclose.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/src/libstddjb/readnclose.c b/src/libstddjb/readnclose.c
new file mode 100644
index 0000000..28a3acb
--- /dev/null
+++ b/src/libstddjb/readnclose.c
@@ -0,0 +1,18 @@
+/* ISC license. */
+
+#include <errno.h>
+
+#include <skalibs/allreadwrite.h>
+#include <skalibs/djbunix.h>
+
+ssize_t readnclose (int fd, char *s, size_t n)
+{
+ int e = errno ;
+ size_t r ;
+ errno = 0 ;
+ r = allread(fd, s, n) ;
+ fd_close(fd) ;
+ if (errno) return -1 ;
+ errno = e ;
+ return r ;
+}