Initial addition to CVS. Moved all the debugging heap related functions.

src/heap.c

@@ -0,0 +1,92 @@
+/* $Id: heap.c,v 1.1 2002-05-23 04:41:10 rjkaes Exp $
+ *
+ * Debugging versions of various heap related functions are combined
+ * here.  The debugging versions include assertions and also print
+ * (to standard error) the function called along with the amount
+ * of memory allocated, and where the memory is pointing.  The
+ * format of the log message is standardized.
+ *
+ * Copyright (C) 2002  Robert James Kaes (rjkaes@flarenet.com)
+ *
+ * This program 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, or (at your option) any
+ * later version.
+ *
+ * This program 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.
+ */
+
+#include "tinyproxy.h"
+#include "heap.h"
+
+void *
+debugging_calloc(size_t nmemb, size_t size, const char *file,
+		 unsigned long line)
+{
+	void *ptr;
+
+	assert(nmemb > 0);
+	assert(size > 0);
+
+	ptr = calloc(nmemb, size);
+	fprintf(stderr, "{calloc: %p:%u x %u} %s:%lu\n", ptr, nmemb, size, file,
+		line);
+	return ptr;
+}
+
+void *
+debugging_malloc(size_t size, const char *file, unsigned long line)
+{
+	void *ptr;
+
+	assert(size > 0);
+
+	ptr = malloc(size);
+	fprintf(stderr, "{malloc: %p:%u} %s:%lu\n", ptr, size, file, line);
+	return ptr;
+}
+
+void *
+debugging_realloc(void *ptr, size_t size, const char *file, unsigned long line)
+{
+	void *newptr;
+	
+	assert(ptr != NULL);
+	assert(size > 0);
+	
+	newptr = realloc(ptr, size);
+	fprintf(stderr, "{realloc: %p -> %p:%u} %s:%lu\n", ptr, newptr, size,
+		file, line);
+	return newptr;
+}
+
+void
+debugging_free(void *ptr, const char *file, unsigned long line)
+{
+	assert(ptr != NULL);
+
+	fprintf(stderr, "{free: %p} %s:%lu\n", ptr, file, line);
+	free(ptr);
+	return;
+}
+
+char*
+debugging_strdup(const char* s, const char* file, unsigned long line)
+{
+	char* ptr;
+	size_t len;
+
+	assert(s != NULL);
+
+	len = strlen(s) + 1;
+	ptr = malloc(len);
+	if (!ptr)
+		return NULL;
+	memcpy(ptr, s, len);
+
+	fprintf(stderr, "{strdup: %p:%u} %s:%lu\n", ptr, len, file, line);
+	return ptr;
+}

src/heap.h

@@ -0,0 +1,49 @@
+/* $Id: heap.h,v 1.1 2002-05-23 04:41:10 rjkaes Exp $
+ *
+ * See 'heap.c' for a detailed description.
+ *
+ * Copyright (C) 2002  Robert James Kaes (rjkaes@flarenet.com)
+ *
+ * This program 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, or (at your option) any
+ * later version.
+ *
+ * This program 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.
+ */
+
+#ifndef TINYPROXY_HEAP_H
+#define TINYPROXY_HEAP_H
+
+/*
+ * The following is to allow for better memory checking.
+ */
+#ifndef NDEBUG
+
+extern void *debugging_calloc(size_t nmemb, size_t size, const char *file,
+			      unsigned long line);
+extern void *debugging_malloc(size_t size, const char *file,
+			      unsigned long line);
+extern void debugging_free(void *ptr, const char *file, unsigned long line);
+extern void *debugging_realloc(void *ptr, size_t size, const char *file,
+			       unsigned long line);
+extern char *debugging_strdup(const char* s, const char* file,
+			      unsigned long line);
+
+#  define safecalloc(x, y) debugging_calloc(x, y, __FILE__, __LINE__)
+#  define safemalloc(x) debugging_malloc(x, __FILE__, __LINE__)
+#  define saferealloc(x, y) debugging_realloc(x, y, __FILE__, __LINE__)
+#  define safefree(x) debugging_free(x, __FILE__, __LINE__); (x) = NULL
+#  define safestrdup(x) debugging_strdup(x, __FILE__, __LINE__)
+#else
+#  define safecalloc(x, y) calloc(x, y)
+#  define safemalloc(x) malloc(x)
+#  define saferealloc(x, y) realloc(x, y)
+#  define safefree(x) free(x); (x) = NULL
+#  define safestrdup(x) strdup(x)
+#endif
+
+#endif