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mailinfo: do not let find_boundary() touch global "line" directly

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With the previous two commits, we established that the local
variable "line" in handle_body() and handle_boundary() functions
always refer to the global "line" that is used as the common and
shared "current line from the input".  They are the only callers of
the last function that refers to the global line directly, i.e.
find_boundary().  Pass "line" as a parameter to this leaf function
to complete the clean-up.  Now the only function that directly refers
to the global "line" is the caller of handle_body() at the very
beginning of this whole callchain.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Junio C Hamano 2015-10-18 15:40:06 -07:00
parent 69e24defd6
commit fbbcafd060
1 changed files with 5 additions and 5 deletions
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10
builtin/mailinfo.c
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@ -786,10 +786,10 @@ static int read_one_header_line(struct strbuf *line, FILE *in)
return 1;
}
static int find_boundary(void)
static int find_boundary(struct strbuf *line)
{
while (!strbuf_getline(&line, fin, '\n')) {
if (*content_top && is_multipart_boundary(&line))
while (!strbuf_getline(line, fin, '\n')) {
if (*content_top && is_multipart_boundary(line))
return 1;
}
return 0;
@ -821,7 +821,7 @@ again:
strbuf_release(&newline);
/* skip to the next boundary */
if (!find_boundary())
if (!find_boundary(line))
return 0;
goto again;
}
@ -850,7 +850,7 @@ static void handle_body(struct strbuf *line)
/* Skip up to the first boundary */
if (*content_top) {
if (!find_boundary())
if (!find_boundary(line))
goto handle_body_out;
}