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strbuf: add and use strbuf_insertstr()

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Add a function for inserting a C string into a strbuf.  Use it
throughout the source to get rid of magic string length constants and
explicit strlen() calls.

Like strbuf_addstr(), implement it as an inline function to avoid the
implicit strlen() calls to cause runtime overhead.

Helped-by: Taylor Blau <me@ttaylorr.com>
Helped-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
René Scharfe
2020-02-09 14:44:23 +01:00
committed by Junio C Hamano
parent d0654dc308
commit a91cc7fad0
11 changed files with 27 additions and 15 deletions
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4
mailinfo.c
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@@ -254,7 +254,7 @@ static void handle_content_type(struct mailinfo *mi, struct strbuf *line)
mi->delsp = has_attr_value(line->buf, "delsp=", "yes");
if (slurp_attr(line->buf, "boundary=", boundary)) {
strbuf_insert(boundary, 0, "--", 2);
strbuf_insertstr(boundary, 0, "--");
if (++mi->content_top >= &mi->content[MAX_BOUNDARIES]) {
error("Too many boundaries to handle");
mi->input_error = -1;
@@ -570,7 +570,7 @@ static int check_header(struct mailinfo *mi,
len = strlen("Content-Type: ");
strbuf_add(&sb, line->buf + len, line->len - len);
decode_header(mi, &sb);
strbuf_insert(&sb, 0, "Content-Type: ", len);
strbuf_insertstr(&sb, 0, "Content-Type: ");
handle_content_type(mi, &sb);
ret = 1;
goto check_header_out;