cccp.c (xrealloc): Call malloc given a NULL old pointer.

* cccp.c (xrealloc): Call malloc given a NULL old pointer.
        * collect2.c, cppalloc.c, gcc.c, genattr.c, genattrtab.c: Likewise.
        * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
        * genflags.c, genopinit.c, genoutput.c, genpeep.c: Likewise.
        * genrecog.c, mips-tfile.c, protoize.c: Likewise.

From-SVN: r24806

gcc/ChangeLog

@@ -1,3 +1,13 @@
+Thu Jan 21 17:45:18 1999  Richard Henderson  <rth@cygnus.com>
+
+	* configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): Add missing `then'.
+
+	* cccp.c (xrealloc): Call malloc given a NULL old pointer.
+	* collect2.c, cppalloc.c, gcc.c, genattr.c, genattrtab.c: Likewise.
+	* gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
+	* genflags.c, genopinit.c, genoutput.c, genpeep.c: Likewise.
+	* genrecog.c, mips-tfile.c, protoize.c: Likewise.
+
 Thu Jan 21 19:44:55 1999  Michael Meissner  <meissner@cygnus.com>
 
 	* configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): If

gcc/cccp.c

@@ -10743,7 +10743,11 @@ xrealloc (old, size)
   PTR old;
   size_t size;
 {
-  register PTR ptr = (PTR) realloc (old, size);
+  register PTR ptr;
+  if (ptr)
+    ptr = (PTR) realloc (old, size);
+  else
+    ptr = (PTR) malloc (size);
   if (!ptr)
     memory_full ();
   return ptr;

gcc/collect2.c

@@ -531,14 +531,18 @@ xmalloc (size)
 }
 
 PTR
-xrealloc (ptr, size)
-  PTR ptr;
+xrealloc (old, size)
+  PTR old;
   size_t size;
 {
-  register PTR value = (PTR) realloc (ptr, size);
-  if (value == 0)
+  register PTR ptr;
+  if (ptr)
+    ptr = (PTR) realloc (old, size);
+  else
+    ptr = (PTR) malloc (size);
+  if (ptr == 0)
     fatal ("virtual memory exhausted");
-  return value;
+  return ptr;
 }
 
 int

gcc/cppalloc.c

@@ -60,7 +60,11 @@ xrealloc (old, size)
   PTR old;
   size_t size;
 {
-  register PTR ptr = (PTR) realloc (old, size);
+  register PTR ptr;
+  if (ptr)
+    ptr = (PTR) realloc (old, size);
+  else
+    ptr = (PTR) malloc (size);
   if (ptr == 0)
     memory_full ();
   return ptr;

gcc/gcc.c

@@ -5219,14 +5219,18 @@ xmalloc (size)
 }
 
 PTR
-xrealloc (ptr, size)
-  PTR ptr;
+xrealloc (old, size)
+  PTR old;
   size_t size;
 {
-  register PTR value = (PTR) realloc (ptr, size);
-  if (value == 0)
+  register PTR ptr;
+  if (ptr)
+    ptr = (PTR) realloc (old, size);
+  else
+    ptr = (PTR) malloc (size);
+  if (ptr == 0)
     fatal ("virtual memory exhausted");
-  return value;
+  return ptr;
 }
 
 static char *

gcc/genattr.c

@@ -210,14 +210,18 @@ xmalloc (size)
 }
 
 PTR
-xrealloc (ptr, size)
-  PTR ptr;
+xrealloc (old, size)
+  PTR old;
   size_t size;
 {
-  register PTR result = (PTR) realloc (ptr, size);
-  if (!result)
+  register PTR ptr;
+  if (ptr)
+    ptr = (PTR) realloc (old, size);
+  else
+    ptr = (PTR) malloc (size);
+  if (!ptr)
     fatal ("virtual memory exhausted");
-  return result;
+  return ptr;
 }
 
 static void

gcc/genattrtab.c

@@ -5753,14 +5753,18 @@ extend_range (range, min, max)
 }
 
 PTR
-xrealloc (ptr, size)
-  PTR ptr;
+xrealloc (old, size)
+  PTR old;
   size_t size;
 {
-  register PTR result = (PTR) realloc (ptr, size);
-  if (!result)
+  register PTR ptr;
+  if (ptr)
+    ptr = (PTR) realloc (old, size);
+  else
+    ptr = (PTR) malloc (size);
+  if (!ptr)
     fatal ("virtual memory exhausted");
-  return result;
+  return ptr;
 }
 
 PTR

gcc/gencodes.c

@@ -68,14 +68,18 @@ xmalloc (size)
 }
 
 PTR
-xrealloc (ptr, size)
-  PTR ptr;
+xrealloc (old, size)
+  PTR old;
   size_t size;
 {
-  register PTR result = (PTR) realloc (ptr, size);
-  if (!result)
+  register PTR ptr;
+  if (ptr)
+    ptr = (PTR) realloc (old, size);
+  else
+    ptr = (PTR) malloc (size);
+  if (!ptr)
     fatal ("virtual memory exhausted");
-  return result;
+  return ptr;
 }
 
 static void

gcc/genconfig.c

@@ -257,14 +257,18 @@ xmalloc (size)
 }
 
 PTR
-xrealloc (ptr, size)
-  PTR ptr;
+xrealloc (old, size)
+  PTR old;
   size_t size;
 {
-  register PTR result = (PTR) realloc (ptr, size);
-  if (!result)
+  register PTR ptr;
+  if (ptr)
+    ptr = (PTR) realloc (old, size);
+  else
+    ptr = (PTR) malloc (size);
+  if (!ptr)
     fatal ("virtual memory exhausted");
-  return result;
+  return ptr;
 }
 
 static void

gcc/genemit.c

@@ -691,14 +691,18 @@ xmalloc (size)
 }
 
 PTR
-xrealloc (ptr, size)
-  PTR ptr;
+xrealloc (old, size)
+  PTR old;
   size_t size;
 {
-  register PTR result = (PTR) realloc (ptr, size);
-  if (!result)
+  register PTR ptr;
+  if (ptr)
+    ptr = (PTR) realloc (old, size);
+  else
+    ptr = (PTR) malloc (size);
+  if (!ptr)
     fatal ("virtual memory exhausted");
-  return result;
+  return ptr;
 }
 
 static void

gcc/genextract.c

@@ -356,14 +356,18 @@ xmalloc (size)
 }
 
 PTR
-xrealloc (ptr, size)
-  PTR ptr;
+xrealloc (old, size)
+  PTR old;
   size_t size;
 {
-  register PTR result = (PTR) realloc (ptr, size);
-  if (!result)
+  register PTR ptr;
+  if (ptr)
+    ptr = (PTR) realloc (old, size);
+  else
+    ptr = (PTR) malloc (size);
+  if (!ptr)
     fatal ("virtual memory exhausted");
-  return result;
+  return ptr;
 }
 
 static void

gcc/genflags.c

@@ -188,14 +188,18 @@ xmalloc (size)
 }
 
 PTR
-xrealloc (ptr, size)
-  PTR ptr;
+xrealloc (old, size)
+  PTR old;
   size_t size;
 {
-  register PTR result = (PTR) realloc (ptr, size);
-  if (!result)
+  register PTR ptr;
+  if (ptr)
+    ptr = (PTR) realloc (old, size);
+  else
+    ptr = (PTR) malloc (size);
+  if (!ptr)
     fatal ("virtual memory exhausted");
-  return result;
+  return ptr;
 }
 
 static void

gcc/genopinit.c

@@ -293,14 +293,18 @@ xmalloc (size)
 }
 
 PTR
-xrealloc (ptr, size)
-  PTR ptr;
+xrealloc (old, size)
+  PTR old;
   size_t size;
 {
-  register PTR result = (PTR) realloc (ptr, size);
-  if (!result)
+  register PTR ptr;
+  if (ptr)
+    ptr = (PTR) realloc (old, size);
+  else
+    ptr = (PTR) malloc (size);
+  if (!ptr)
     fatal ("virtual memory exhausted");
-  return result;
+  return ptr;
 }
 
 static void

gcc/genoutput.c

@@ -914,14 +914,18 @@ xmalloc (size)
 }
 
 PTR
-xrealloc (ptr, size)
-  PTR ptr;
+xrealloc (old, size)
+  PTR old;
   size_t size;
 {
-  register PTR result = (PTR) realloc (ptr, size);
-  if (!result)
+  register PTR ptr;
+  if (ptr)
+    ptr = (PTR) realloc (old, size);
+  else
+    ptr = (PTR) malloc (size);
+  if (!ptr)
     fatal ("virtual memory exhausted");
-  return result;
+  return ptr;
 }
 
 static void

gcc/genpeep.c

@@ -396,14 +396,18 @@ xmalloc (size)
 }
 
 PTR
-xrealloc (ptr, size)
-  PTR ptr;
+xrealloc (old, size)
+  PTR old;
   size_t size;
 {
-  register PTR result = (PTR) realloc (ptr, size);
-  if (!result)
+  register PTR ptr;
+  if (ptr)
+    ptr = (PTR) realloc (old, size);
+  else
+    ptr = (PTR) malloc (size);
+  if (!ptr)
     fatal ("virtual memory exhausted");
-  return result;
+  return ptr;
 }
 
 static void

gcc/genrecog.c

@@ -1671,14 +1671,18 @@ xstrdup (input)
 }
 
 PTR
-xrealloc (ptr, size)
-  PTR ptr;
+xrealloc (old, size)
+  PTR old;
   size_t size;
 {
-  register PTR result = (PTR) realloc (ptr, size);
-  if (!result)
+  register PTR ptr;
+  if (ptr)
+    ptr = (PTR) realloc (old, size);
+  else
+    ptr = (PTR) malloc (size);
+  if (!ptr)
     fatal ("virtual memory exhausted");
-  return result;
+  return ptr;
 }
 
 PTR

gcc/mips-tfile.c

@@ -5710,7 +5710,11 @@ xrealloc (ptr, size)
   PTR ptr;
   size_t size;
 {
-  register PTR result = (PTR) realloc (ptr, size);
+  register PTR result;
+  if (ptr)
+    result = (PTR) realloc (ptr, size);
+  else
+    result = (PTR) malloc (size);
   if (!result)
     fatal ("Virtual memory exhausted.");
 

gcc/protoize.c

@@ -608,7 +608,11 @@ xrealloc (old_space, byte_count)
      pointer_type old_space;
      size_t byte_count;
 {
-  register pointer_type rv = (pointer_type) realloc (old_space, byte_count);
+  register pointer_type rv;
+  if (old_space)
+    rv = (pointer_type) realloc (old_space, byte_count);
+  else
+    rv = (pointer_type) malloc (byte_count);
   if (rv == NULL)
     {
       fprintf (stderr, "\n%s: virtual memory exceeded\n", pname);