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work in progress to implement the builtin printf function

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hyung-hwan
2018-02-24 04:01:19 +00:00
parent a5fe90597c
commit 7e6b16e153
4 changed files with 1007 additions and 31 deletions
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25
lib/logfmt.c
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@ -477,23 +477,34 @@ hcl_ooi_t hcl_logufmt (hcl_t* hcl, hcl_oow_t mask, const hcl_uch_t* fmt, ...)
static int put_prch (hcl_t* hcl, hcl_oow_t mask, hcl_ooch_t ch, hcl_oow_t len)
{
/* TODO: better error handling, buffering.
* buffer should be done by the printer callback? */
* should buffering be done by the printer callback? */
hcl_ooi_t n;
hcl_ooch_t str[256];
hcl_oow_t seglen, i;
hcl->c->outarg.ptr = &ch;
hcl->c->outarg.len = 1;
while (len > 0)
{
seglen = (len > HCL_COUNTOF(str))? len = HCL_COUNTOF(str): len;
for (i = 0; i < seglen; i++) str[i] = ch;
n = hcl->c->printer(hcl, HCL_IO_WRITE, &hcl->c->outarg);
hcl->c->outarg.ptr = str;
hcl->c->outarg.len = seglen;
n = hcl->c->printer(hcl, HCL_IO_WRITE, &hcl->c->outarg);
if (n <= -1) return -1;
if (n == 0) return 0;
len -= seglen;
}
if (n <= -1) return -1;
if (n == 0) return 0;
return 1; /* success */
}
static int put_prcs (hcl_t* hcl, hcl_oow_t mask, const hcl_ooch_t* ptr, hcl_oow_t len)
{
/* TODO: better error handling, buffering
* buffer should be done by the printer callback? */
* should buffering be done by the printer callback? */
hcl_ooi_t n;
hcl->c->outarg.ptr = (hcl_ooch_t*)ptr;