Created a common xstrdup function.

git-svn-id: svn://svn.code.sf.net/p/rdesktop/code/trunk/rdesktop@973 423420c4-83ab-492f-b58f-81f9feb106b5

proto.h

@@ -77,6 +77,7 @@ BOOL pstcache_init(uint8 cache_id);
 int main(int argc, char *argv[]);
 void generate_random(uint8 * random);
 void *xmalloc(int size);
+char *xstrdup(const char *s);
 void *xrealloc(void *oldmem, int size);
 void xfree(void *mem);
 void error(char *format, ...);

rdesktop.c

@@ -382,12 +382,7 @@ main(int argc, char *argv[])
 	locale = setlocale(LC_ALL, "");
 	if (locale)
 	{
-		locale = strdup(locale);
-		if (locale == NULL)
-		{
-			perror("strdup");
-			exit(1);
-		}
+		locale = xstrdup(locale);
 	}
 
 #endif
@@ -941,6 +936,19 @@ xmalloc(int size)
 	return mem;
 }
 
+/* strdup */
+char *
+xstrdup(const char *s)
+{
+	char *mem = strdup(s);
+	if (mem == NULL)
+	{
+		perror("strdup");
+		exit(1);
+	}
+	return mem;
+}
+
 /* realloc; exit if out of memory */
 void *
 xrealloc(void *oldmem, int size)

rdpsnd_oss.c

@@ -50,7 +50,7 @@ wave_out_open(void)
 
 	if (dsp_dev == NULL)
 	{
-		dsp_dev = strdup("/dev/dsp");
+		dsp_dev = xstrdup("/dev/dsp");
 	}
 
 	if ((g_dsp_fd = open(dsp_dev, O_WRONLY | O_NONBLOCK)) == -1)

rdpsnd_sun.c

@@ -54,7 +54,7 @@ wave_out_open(void)
 
 	if (dsp_dev == NULL)
 	{
-		dsp_dev = strdup("/dev/audio");
+		dsp_dev = xstrdup("/dev/audio");
 	}
 
 	if ((g_dsp_fd = open(dsp_dev, O_WRONLY | O_NONBLOCK)) == -1)

xkeymap.c

@@ -166,12 +166,7 @@ xkeymap_from_locale(const char *locale)
 	FILE *fp;
 
 	/* Create a working copy */
-	str = strdup(locale);
-	if (str == NULL)
-	{
-		perror("strdup");
-		exit(1);
-	}
+	str = xstrdup(locale);
 
 	/* Truncate at dot and at */
 	ptr = strrchr(str, '.');