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make next_arg() more readable & efficient

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This commit is contained in:
Oswald Buddenhagen 2013-09-25 18:53:18 +02:00
parent 3ceb553102
commit c0bf867669
1 changed files with 23 additions and 19 deletions
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42
src/drv_imap.c
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@ -458,33 +458,37 @@ imap_refcounted_done_box( imap_store_t *ctx ATTR_UNUSED, struct imap_cmd *cmd, i
}
static char *
next_arg( char **s )
next_arg( char **ps )
{
char *ret;
char *ret, *s;
if (!s || !*s)
assert( ps );
s = *ps;
if (!s)
return 0;
while (isspace( (unsigned char) **s ))
(*s)++;
if (!**s) {
*s = 0;
while (isspace( (unsigned char)*s ))
s++;
if (!*s) {
*ps = 0;
return 0;
}
if (**s == '"') {
++*s;
ret = *s;
*s = strchr( *s, '"' );
if (*s == '"') {
++s;
ret = s;
s = strchr( s, '"' );
} else {
ret = *s;
while (**s && !isspace( (unsigned char) **s ))
(*s)++;
ret = s;
while (*s && !isspace( (unsigned char)*s ))
s++;
}
if (*s) {
if (**s)
*(*s)++ = 0;
if (!**s)
*s = 0;
if (s) {
if (*s)
*s++ = 0;
if (!*s)
s = 0;
}
*ps = s;
return ret;
}