Changes in uspace/lib/posix/unistd.c [94f8b81c:221afc9e] in mainline

File:

• uspace/lib/posix/unistd.c (modified) (5 diffs)

uspace/lib/posix/unistd.c

@@ -31 +31 @@
  * @{
  */
-/** @file Miscellaneous standard definitions.
+/** @file
  */
 
@@ -90 +90 @@
         /* Always returns false, because there is no easy way to find
      * out under HelenOS. */
-        return 0;
+        return false;
 }
 
@@ -207 +207 @@
                 /* Check file existence by attempt to open it. */
                 int fd = open(path, O_RDONLY);
-                if (fd != -1) {
+                if (fd < 0) {
+                        /* FIXME: open() returns error code as negative retval. */
+                        errno = -fd;
+                        fd = -1;
+                } else {
                         close(fd);
                 }
@@ -235 +239 @@
                 clk_tck = ((long) cpu_stats[0].frequency_mhz) * 1000000L;
         }
-        if (cpu_stats) {
-                free(cpu_stats);
-                cpu_stats = 0;
-        }
+        free(cpu_stats);
+        cpu_stats = 0;
 
         long phys_pages = 0;
@@ -246 +248 @@
                 phys_pages = (long) (mem_stats->total / getpagesize());
                 avphys_pages = (long) (mem_stats->free / getpagesize());
-                free(mem_stats);
-                mem_stats = 0;
-        }
+        }
+        free(mem_stats);
+        mem_stats = 0;
 
         switch (name) {