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common/strbuf: a little cleanup in rev

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H Hautakoski 2010-07-21 20:52:08 +02:00 • committed by Henrik Hautakoski
parent 92477a7261
commit 1cf6ea1571
2 changed files with 12 additions and 11 deletions
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20
src/common/strbuf.c
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@ -28,13 +28,6 @@ static void buf_expand(strbuf_t *s, size_t l) {
assert(s->buf != NULL);
}
static inline void swap(char *a, char *b) {
char tmp = *a;
*a = *b;
*b = tmp;
}
void strbuf_init(strbuf_t *s) {
s->buf = NULL;
@ -82,10 +75,13 @@ void strbuf_ltrim(strbuf_t *s) {
void strbuf_rev(strbuf_t *s) {
int i;
for(i=0; i < s->len / 2; i++)
swap(s->buf + i, s->buf + (s->len-1)-i);
char tmp, *st = s->buf, *en = s->buf + s->len - 1;
while(st < en) {
tmp = *st;
*st++ = *en;
*en-- = tmp;
}
}
char* strbuf_release(strbuf_t *s) {
@ -110,3 +106,5 @@ void strbuf_free(strbuf_t *s) {
free(s->buf);
s->buf = NULL;
}