X-Git-Url: https://git.m6w6.name/?p=m6w6%2Fext-http;a=blobdiff_plain;f=phpstr%2Fphpstr.c;fp=phpstr%2Fphpstr.c;h=98a8e63ebcc8bd52b83b1c93235b76a9e11074b1;hp=8ab8737d0d68e424426eda5ec1b75f12155de096;hb=3017eb87773ddee0b170d532ff92e195f2f69612;hpb=f3c78f084459a9f5b5b54233bbda879154cdcefa

diff --git a/phpstr/phpstr.c b/phpstr/phpstr.c
index 8ab8737..98a8e63 100644
--- a/phpstr/phpstr.c
+++ b/phpstr/phpstr.c
@@ -36,6 +36,9 @@ PHPSTR_API phpstr *phpstr_from_string_ex(phpstr *buf, const char *string, size_t
 
 PHPSTR_API size_t phpstr_resize_ex(phpstr *buf, size_t len, size_t override_size)
 {
+#if 0
+	fprintf(stderr, "RESIZE: size=%lu, used=%lu, free=%lu\n", buf->size, buf->used, buf->free);
+#endif
 	if (buf->free < len) {
 		size_t size = override_size ? override_size : buf->size;
 		
@@ -63,6 +66,22 @@ PHPSTR_API size_t phpstr_resize_ex(phpstr *buf, size_t len, size_t override_size
 	return 0;
 }
 
+PHPSTR_API size_t phpstr_shrink(phpstr *buf)
+{
+	/* avoid another realloc on fixation */
+	if (buf->free > 1) {
+		char *ptr = perealloc(buf->data, buf->used + 1, buf->pmem);
+		
+		if (ptr) {
+			buf->data = ptr;
+		} else {
+			return NOMEM;
+		}
+		buf->free = 1;
+	}
+	return buf->used;
+}
+
 PHPSTR_API size_t phpstr_append(phpstr *buf, const char *append, size_t append_len)
 {
 	if (NOMEM == phpstr_resize(buf, append_len)) {