}
/*********StringBuffer********/
-StringBuffer*
-initStringBuffer(StringBuffer* state, MemoryContext *mc, int initsize) {
+
+static inline void*
+StringBufferAlloc(StringBuffer* state, void *ptr, size_t size) {
+ if (state->mc)
+ return (ptr) ? mcrealloc(ptr, size) : mcalloc(state->mc, size);
+ else if (state->memalloc)
+ return state->memalloc(ptr, size);
+ else
+ return (ptr) ? trealloc(ptr, size) : tmalloc(size);
+}
+
+static StringBuffer*
+initStringBufferInternal(StringBuffer* state, int initsize) {
state->len = (initsize>0) ? initsize : 1024;
- state->mc = mc;
- state->ptr = state->buf = (char*)mcalloc(state->mc, state->len);
+ state->ptr = state->buf = (char*)StringBufferAlloc(state, NULL, initsize);
+ if (!state->ptr)
+ return NULL;
+
*(state->ptr) ='\0';
return state;
}
+StringBuffer*
+initStringBuffer(StringBuffer* state, int initsize) {
+ memset(state, 0, sizeof(*state));
+
+ return initStringBufferInternal(state, initsize);
+}
+
+StringBuffer*
+initStringBufferMC(StringBuffer* state, MemoryContext *mc, int initsize) {
+ memset(state, 0, sizeof(*state));
+ state->mc = mc;
+
+ return initStringBufferInternal(state, initsize);
+}
+
+StringBuffer*
+initStringBufferMA(StringBuffer* state, MemAlloc memalloc, int initsize) {
+ memset(state, 0, sizeof(*state));
+ state->memalloc = memalloc;
+
+ return initStringBufferInternal(state, initsize);
+}
+
StringBuffer*
appendStringBuffer( StringBuffer *state, char *string, int stringlen) {
if ( string ) {
return state;
while ( state->len - ( state->ptr - state->buf ) < stringlen + 1 ) {
+ int diff = state->ptr - state->buf;
+
state->len *= 2;
- state->buf = (char*)mcrealloc( (void*)state->buf, state->len );
+ state->buf = (char*)StringBufferAlloc(state, state->buf, state->len);
+ state->ptr = state->buf + diff;
}
memcpy(state->ptr, string, stringlen);
state->len *= 2;
} while( state->ptr - state->buf + printedlen >= state->len );
- state->buf = (char*)mcrealloc( (void*)state->buf, state->len );
+ state->buf = (char*)StringBufferAlloc(state, state->buf, state->len);
state->ptr = state->buf + curlen;
va_start(args, format);
printedlen = vsnprintf(state->ptr, printedlen+1, format, args);