introducing libxineutils and a this pointer for video_out_x11 callbacks

CVS patchset: 852
CVS date: 2001/10/22 00:52:09

1 files changed, 146 insertions, 0 deletions

diff --git a/src/xine-utils/utils.c b/src/xine-utils/utils.c
new file mode 100644
index 000000000..d3435ea84
--- /dev/null
+++ b/src/xine-utils/utils.c
@@ -0,0 +1,146 @@
+/* 
+ * Copyright (C) 2000-2001 the xine project
+ * 
+ * This file is part of xine, a unix video player.
+ * 
+ * xine is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * 
+ * xine is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA
+ *
+ * $Id: utils.c,v 1.1 2001/10/22 00:52:10 guenter Exp $
+ *
+ */
+#define	_POSIX_PTHREAD_SEMANTICS 1	/* for 5-arg getpwuid_r on solaris */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <string.h>
+#include <unistd.h>
+#include <pwd.h>
+#include <time.h>
+#include <sys/types.h>
+
+#ifndef	__GNUC__
+#define __FUNCTION__	__func__
+#endif
+
+
+/*
+ *
+ */
+void *xmalloc(size_t size) {
+  void *ptr;
+
+  if((ptr = malloc(size)) == NULL) {
+    fprintf(stderr, "%s: malloc() failed: %s.\n",
+	    __FUNCTION__, strerror(errno));
+    return NULL;
+  }
+
+  memset(ptr, 0, size);
+
+  return ptr;
+}
+
+/*
+ *
+ */
+void *xmalloc_aligned (size_t alignment, size_t size) {
+  char *pMem;
+
+  pMem = xmalloc (size+alignment);
+
+  while ((int) pMem % alignment)
+    pMem++;
+
+  return pMem;
+}
+
+/*
+ *
+ */
+const char *get_homedir(void) {
+  struct passwd *pw = NULL;
+  char *homedir = NULL;
+#ifdef HAVE_GETPWUID_R
+  int ret;
+  struct passwd pwd;
+  char *buffer = NULL;
+  int bufsize = 128;
+
+  buffer = (char *) xmalloc(bufsize);
+  
+  if((ret = getpwuid_r(getuid(), &pwd, buffer, bufsize, &pw)) < 0) {
+#else
+  if((pw = getpwuid(getuid())) == NULL) {
+#endif
+    if((homedir = getenv("HOME")) == NULL) {
+      fprintf(stderr, "Unable to get home directory, set it to /tmp.\n");
+      homedir = strdup("/tmp");
+    }
+  }
+  else {
+    if(pw) 
+      homedir = strdup(pw->pw_dir);
+  }
+  
+  
+#ifdef HAVE_GETPWUID_R
+  if(buffer) 
+    free(buffer);
+#endif
+  
+  return homedir;
+}
+
+/*
+ *
+ */
+char *chomp(char *str) {
+  char *pbuf;
+
+  pbuf = str;
+
+  while(*pbuf != '\0') pbuf++;
+
+  while(pbuf > str) {
+    if(*pbuf == '\r' || *pbuf == '\n' || *pbuf == '"') pbuf = '\0';
+    pbuf--;
+  }
+
+  while(*pbuf == '=' || *pbuf == '"') pbuf++;
+
+  return pbuf;
+}
+
+
+/*
+ * A thread-safe usecond sleep
+ */
+void xine_usec_sleep(unsigned usec) {
+#if HAVE_NANOSLEEP
+  /* nanosleep is prefered on solaris, because it's mt-safe */
+  struct timespec ts;
+
+  ts.tv_sec =   usec / 1000000;
+  ts.tv_nsec = (usec % 1000000) * 1000;
+  nanosleep(&ts, NULL);
+#else
+  usleep(usec);
+#endif
+}