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strbuf API additions and enhancements.

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Add strbuf_remove, change strbuf_insert:
  As both are special cases of strbuf_splice, implement them as such.
  gcc is able to do the math and generate almost optimal code this way.

Add strbuf_swap:
  Exchange the values of its arguments.
  Use it in fast-import.c

Also fix spacing issues in strbuf.h

Signed-off-by: Pierre Habouzit <madcoder@debian.org>
This commit is contained in:
Pierre Habouzit
2007-09-20 00:42:12 +02:00
committed by Junio C Hamano
parent 19247e5510
commit c76689df6c
4 changed files with 23 additions and 20 deletions
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20
strbuf.c
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@ -50,16 +50,6 @@ void strbuf_rtrim(struct strbuf *sb)
sb->buf[sb->len] = '\0';
}
void strbuf_insert(struct strbuf *sb, size_t pos, const void *data, size_t len)
{
strbuf_grow(sb, len);
if (pos > sb->len)
die("`pos' is too far after the end of the buffer");
memmove(sb->buf + pos + len, sb->buf + pos, sb->len - pos);
memcpy(sb->buf + pos, data, len);
strbuf_setlen(sb, sb->len + len);
}
void strbuf_splice(struct strbuf *sb, size_t pos, size_t len,
const void *data, size_t dlen)
{
@ -79,6 +69,16 @@ void strbuf_splice(struct strbuf *sb, size_t pos, size_t len,
strbuf_setlen(sb, sb->len + dlen - len);
}
void strbuf_insert(struct strbuf *sb, size_t pos, const void *data, size_t len)
{
strbuf_splice(sb, pos, 0, data, len);
}
void strbuf_remove(struct strbuf *sb, size_t pos, size_t len)
{
strbuf_splice(sb, pos, len, NULL, 0);
}
void strbuf_add(struct strbuf *sb, const void *data, size_t len)
{
strbuf_grow(sb, len);