From: erickson <erickson@9efc2488-bf62-4759-914b-345cdb29e865>
Date: Fri, 18 May 2007 16:53:29 +0000 (+0000)
Subject: committing scott's safer MALLOC macro and a new buffer_release function patches
X-Git-Url: https://old-git.evergreen-ils.org/?a=commitdiff_plain;h=a9ed2bb6214ce705cb8b4127b77559e9553334b1;p=opensrf%2Fbjwebb.git

committing scott's safer MALLOC macro and a new buffer_release function patches


git-svn-id: svn://svn.open-ils.org/OpenSRF/trunk@898 9efc2488-bf62-4759-914b-345cdb29e865
---

diff --git a/src/utils/utils.c b/src/utils/utils.c
index bdeaa96..6949344 100644
--- a/src/utils/utils.c
+++ b/src/utils/utils.c
@@ -214,6 +214,18 @@ int buffer_reset( growing_buffer *gb){
 	return 1;
 }
 
+/* Return a pointer to the text within a growing_buffer, */
+/* while destroying the growing_buffer itself.           */
+
+char* buffer_release( growing_buffer* gb) {
+	char* s = gb->buf;
+	s[gb->n_used] = '\0';
+	free( gb );
+	return s;
+}
+
+/* Destroy a growing_buffer and the text it contains */
+
 int buffer_free( growing_buffer* gb ) {
 	if( gb == NULL ) 
 		return 0;
diff --git a/src/utils/utils.h b/src/utils/utils.h
index 308e3b7..7bbade0 100644
--- a/src/utils/utils.h
+++ b/src/utils/utils.h
@@ -32,12 +32,14 @@ GNU General Public License for more details.
 #include "md5.h"
 
 #define OSRF_MALLOC(ptr, size) \
-	ptr = (void*) malloc( size ); \
-	if( ptr == NULL ) { \
-		perror("OSRF_MALLOC(): Out of Memory" );\
-		exit(99); \
-	} \
-	memset( ptr, 0, size ); 
+	do {\
+		ptr = (void*) malloc( size ); \
+		if( ptr == NULL ) { \
+			perror("OSRF_MALLOC(): Out of Memory" );\
+			exit(99); \
+		} \
+		memset( ptr, 0, size );\
+	} while(0)
 
 
 #define OSRF_BUFFER_ADD(gb, data) \
@@ -173,6 +175,7 @@ int buffer_add(growing_buffer* gb, char* c);
 int buffer_fadd(growing_buffer* gb, const char* format, ... );
 int buffer_reset( growing_buffer* gb);
 char* buffer_data( growing_buffer* gb);
+char* buffer_release( growing_buffer* gb );
 int buffer_free( growing_buffer* gb );
 int buffer_add_char(growing_buffer* gb, char c);