#include <u.h>#include <libc.h>#include "pdf.h" /* 7.3.5 Name Objects */ Object *pdfname(Stream *stream){	Object *o;	char *s, *r, hex[3];	int c, sz, maxsz; 	Sgetc(stream); /* skip '/' */ 	maxsz = 32;	if((s = malloc(maxsz)) == nil)		goto err; 	for(sz = 0;;){		if((c = Sgetc(stream)) < 0){			if(c == -1)				break;			goto err;		} 		if(isws(c) || isdelim(c)){			Sungetc(stream);			break;		}		if(c < '!' || c > '~'){			werrstr("invalid char %02x", c);			goto err;		}		if(c == '#'){			if((c = Sgetc(stream)) < 0)				goto err;			hex[0] = c;			if((c = Sgetc(stream)) < 0)				goto err;			hex[1] = c;			if(dec16((uchar*)hex, 1, hex, 2) != 1){				werrstr("invalid hex");				goto err;			}			c = hex[0];		}		if(sz+1 >= maxsz){			maxsz *= 2;			if((r = realloc(s, maxsz)) == nil)				goto err;			s = r;		}		s[sz++] = c;	} 	if((o = malloc(sizeof(*o))) != nil){		o->name = s;		s[sz] = 0;		o->type = Oname;		return o;	} err:	werrstr("name: %r");	free(s);	return nil;}