97 int BUF_MEM_grow(BUF_MEM *str, size_t len)  in BUF_MEM_grow()  argument
102 	if (str->length >= len)  in BUF_MEM_grow()
104 		str->length=len;  in BUF_MEM_grow()
105 		return(len);  in BUF_MEM_grow()
107 	if (str->max >= len)  in BUF_MEM_grow()
109 		memset(&str->data[str->length],0,len-str->length);  in BUF_MEM_grow()
110 		str->length=len;  in BUF_MEM_grow()
111 		return(len);  in BUF_MEM_grow()
114 	if (len > LIMIT_BEFORE_EXPANSION)  in BUF_MEM_grow()
119 	n=(len+3)/3*4;  in BUF_MEM_grow()
127 		len=0;  in BUF_MEM_grow()
133 		memset(&str->data[str->length],0,len-str->length);  in BUF_MEM_grow()
134 		str->length=len;  in BUF_MEM_grow()
136 	return(len);  in BUF_MEM_grow()
139 int BUF_MEM_grow_clean(BUF_MEM *str, size_t len)  in BUF_MEM_grow_clean()  argument
144 	if (str->length >= len)  in BUF_MEM_grow_clean()
146 		memset(&str->data[len],0,str->length-len);  in BUF_MEM_grow_clean()
147 		str->length=len;  in BUF_MEM_grow_clean()
148 		return(len);  in BUF_MEM_grow_clean()
150 	if (str->max >= len)  in BUF_MEM_grow_clean()
152 		memset(&str->data[str->length],0,len-str->length);  in BUF_MEM_grow_clean()
153 		str->length=len;  in BUF_MEM_grow_clean()
154 		return(len);  in BUF_MEM_grow_clean()
157 	if (len > LIMIT_BEFORE_EXPANSION)  in BUF_MEM_grow_clean()
162 	n=(len+3)/3*4;  in BUF_MEM_grow_clean()
170 		len=0;  in BUF_MEM_grow_clean()
176 		memset(&str->data[str->length],0,len-str->length);  in BUF_MEM_grow_clean()
177 		str->length=len;  in BUF_MEM_grow_clean()
179 	return(len);  in BUF_MEM_grow_clean()