X-Git-Url: https://gapil.gnulinux.it/gitweb/?p=gapil.git;a=blobdiff_plain;f=listati%2FFullRead.c;fp=listati%2FFullRead.c;h=fcc265b6030a30b293c9aaa4e1ba2f2f83f40310;hp=0000000000000000000000000000000000000000;hb=06661f47754a536098afe2b30cb04469918f2fa3;hpb=bdf6e88eeb9b3aef06d57930ec8b89083639e56d

diff --git a/listati/FullRead.c b/listati/FullRead.c
new file mode 100644
index 0000000..fcc265b
--- /dev/null
+++ b/listati/FullRead.c
@@ -0,0 +1,23 @@
+#include <unistd.h>
+
+ssize_t FullRead(int fd, void *buf, size_t count) 
+{
+    size_t nleft;
+    ssize_t nread;
+ 
+    nleft = count;
+    while (nleft > 0) {             /* repeat until no left */
+        if ( (nread = read(fd, buf, nleft)) < 0) {
+            if (errno == EINTR) {   /* if interrupted by system call */
+                continue;           /* repeat the loop */
+            } else {
+                return(nread);      /* otherwise exit */
+            }
+        } else if (nread == 0) {    /* EOF */
+            break;                  /* break loop here */ 
+        }
+        nleft -= nread;             /* set left to read */
+        buf +=nread;                /* set pointer */
+    }
+    return (count - nleft);
+}