Initial revision

git-svn-id: file:///srv/svn/joey/bsdgames-trunk@5086 a4a2c43b-8ac3-0310-8836-e0e880c912e2

lib/Makefrag

@@ -0,0 +1,7 @@
+# Makefrag - makefile fragment for lib
+
+# No special rules needed, but we need these dummy targets
+
+lib_all:
+
+lib_install:

lib/fgetln.c

@@ -0,0 +1,36 @@
+/* fgetln.c - bsd-games implementation of fgetln */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+char *
+fgetln(FILE *stream, size_t *len)
+{
+  static char *buf = NULL;
+  static size_t buflen = 0;
+  char *res;
+  char *nbuf;
+  if (buf == NULL) {
+    buf = (char *)malloc(buflen = 1024);
+    if (buf == NULL) {
+      return NULL;
+    }
+  }
+  buf[buflen - 1] = 1;
+  res = fgets(buf, buflen, stream);
+  if (res == NULL)
+    return NULL;
+  while (buf[buflen - 1] == 0) { /* long line */
+    nbuf = realloc(buf, buflen * 2);
+    if (nbuf == NULL)
+      return NULL;
+    buf = nbuf;
+    buflen *= 2;
+    buf[buflen - 1] = 1;
+    res = fgets(buf + buflen/2 - 1, buflen/2 + 1, stream);
+    if (res == NULL)
+      return NULL;
+  }
+  *len = strlen(buf);
+  return buf;
+}

lib/getloadavg.c

@@ -0,0 +1,26 @@
+/* getloadavg.c - bsd-games implementation of getloadavg */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+int
+getloadavg(double loadavg[], int nelem)
+{
+  double load_averages[3];
+  FILE *fp;
+  int count;
+  int i;
+  int nc;
+  fp = fopen("/proc/loadavg", "r");
+  if (fp == NULL)
+    return -1;
+  count = fscanf(fp, "%lf%lf%lf", &(load_averages[0]), &(load_averages[1]),
+		 &(load_averages[2]));
+  fclose(fp);
+  if ((count == EOF) || (count == 0))
+    return -1;
+  nc = ((nelem < count) ? nelem : count);
+  for (i = 0; i < nc; i++)
+    loadavg[i] = load_averages[i];
+  return nc;
+}

lib/select.c

@@ -0,0 +1,23 @@
+/* select.c - bsd-games emulation of BSD select for games that need it */
+
+/* This uses __select, which works with libc5 and libc6.  This is a
+ * substitute for the version in libbsd from libc5, and is essentially
+ * equivalent.  */
+
+#include <sys/time.h>
+
+int
+select(int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds,
+       struct timeval *timeout)
+{
+  struct timeval timeout_copy;
+  struct timeval *timeout_ptr;
+  if (timeout) {
+    /* Copy to a temporary */
+    timeout_copy = *timeout;
+    timeout_ptr = &timeout_copy;
+  } else {
+    timeout_ptr = timeout;
+  }
+  return __select(nfds, readfds, writefds, exceptfds, timeout_ptr);
+}