Changeset 94f8b81c in mainline

Timestamp:

2011-07-21T02:20:58Z (14 years ago)

Author:

Petr Koupy <petr.koupy@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

a12f7f1

Parents:

91aded7

Message:

Bugfixes in unistd.h functions.

File:

• uspace/lib/posix/unistd.c (modified) (4 diffs)

uspace/lib/posix/unistd.c

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