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-rw-r--r--strbuf.h10
1 files changed, 5 insertions, 5 deletions
diff --git a/strbuf.h b/strbuf.h
index 5657e3d..6deec78 100644
--- a/strbuf.h
+++ b/strbuf.h
@@ -10,8 +10,7 @@
* 1. the ->buf member is always malloc-ed, hence strbuf's can be used to
* build complex strings/buffers whose final size isn't easily known.
*
- * It is legal to copy the ->buf pointer away. Though if you want to reuse
- * the strbuf after that, setting ->buf to NULL isn't legal.
+ * It is NOT legal to copy the ->buf pointer away.
* `strbuf_detach' is the operation that detachs a buffer from its shell
* while keeping the shell valid wrt its invariants.
*
@@ -41,19 +40,19 @@
#include <assert.h>
+extern char strbuf_slopbuf[];
struct strbuf {
size_t alloc;
size_t len;
char *buf;
};
-#define STRBUF_INIT { 0, 0, NULL }
+#define STRBUF_INIT { 0, 0, strbuf_slopbuf }
/*----- strbuf life cycle -----*/
extern void strbuf_init(struct strbuf *, size_t);
extern void strbuf_release(struct strbuf *);
-extern void strbuf_reset(struct strbuf *);
-extern char *strbuf_detach(struct strbuf *);
+extern char *strbuf_detach(struct strbuf *, size_t *);
extern void strbuf_attach(struct strbuf *, void *, size_t, size_t);
static inline void strbuf_swap(struct strbuf *a, struct strbuf *b) {
struct strbuf tmp = *a;
@@ -75,6 +74,7 @@ static inline void strbuf_setlen(struct strbuf *sb, size_t len) {
sb->len = len;
sb->buf[len] = '\0';
}
+#define strbuf_reset(sb) strbuf_setlen(sb, 0)
/*----- content related -----*/
extern void strbuf_rtrim(struct strbuf *);