void
mux(mux_ctx_t ctx)
{
/* init reader, we use prchunk here */
ctx->rdr = init_prchunk(ctx->infd);
/* main loop */
while (fetch_lines(ctx)) {
read_lines(ctx);
}
/* free prchunk resources */
free_prchunk(ctx->rdr);
return;
}
static void
proc_lines(const char *const *fmt, size_t nfmt, const char *ofmt, int quietp)
{
size_t lno = 0;
void *pctx;
/* using the prchunk reader now */
if ((pctx = init_prchunk(STDIN_FILENO)) == NULL) {
serror("Error: could not open stdin");
return;
}
while (prchunk_fill(pctx) >= 0) {
for (char *line; prchunk_haslinep(pctx); lno++) {
(void)prchunk_getline(pctx, &line);
/* check if line matches */
proc_line(line, fmt, nfmt, ofmt, quietp);
}
}
/* get rid of resources */
free_prchunk(pctx);
return;
}
int
main(int argc, char *argv[])
{
yuck_t argi[1U];
struct dt_dt_s d;
struct __strpdtdur_st_s st = __strpdtdur_st_initialiser();
const char *ofmt;
char **fmt;
size_t nfmt;
int rc = 0;
bool dt_given_p = false;
zif_t fromz = NULL;
zif_t z = NULL;
zif_t hackz = NULL;
if (yuck_parse(argi, argc, argv)) {
rc = 1;
goto out;
} else if (argi->nargs == 0) {
error("Error: DATE or DURATION must be specified\n");
yuck_auto_help(argi);
rc = 1;
goto out;
}
/* init and unescape sequences, maybe */
ofmt = argi->format_arg;
fmt = argi->input_format_args;
nfmt = argi->input_format_nargs;
if (argi->backslash_escapes_flag) {
dt_io_unescape(argi->format_arg);
for (size_t i = 0; i < nfmt; i++) {
dt_io_unescape(fmt[i]);
}
}
/* try and read the from and to time zones */
if (argi->from_zone_arg) {
fromz = dt_io_zone(argi->from_zone_arg);
}
if (argi->zone_arg) {
z = dt_io_zone(argi->zone_arg);
}
if (argi->base_arg) {
struct dt_dt_s base = dt_strpdt(argi->base_arg, NULL, NULL);
dt_set_base(base);
}
/* sanity checks, decide whether we're a mass date adder
* or a mass duration adder, or both, a date and durations are
* present on the command line */
with (const char *inp = argi->args[0U]) {
/* date parsing needed postponing as we need to find out
* about the durations */
if (!dt_unk_p(dt_io_strpdt(inp, fmt, nfmt, NULL))) {
dt_given_p = true;
}
}
/* check first arg, if it's a date the rest of the arguments are
* durations, if not, dates must be read from stdin */
for (size_t i = dt_given_p; i < argi->nargs; i++) {
const char *inp = argi->args[i];
do {
if (dt_io_strpdtdur(&st, inp) < 0) {
serror("Error: \
cannot parse duration string `%s'", st.istr);
rc = 1;
goto dur_out;
}
} while (__strpdtdur_more_p(&st));
}
/* check if there's only d durations */
hackz = durs_only_d_p(st.durs, st.ndurs) ? NULL : fromz;
/* read the first argument again in light of a completely parsed
* duration sequence */
if (dt_given_p) {
const char *inp = argi->args[0U];
if (dt_unk_p(d = dt_io_strpdt(inp, fmt, nfmt, hackz))) {
error("\
Error: cannot interpret date/time string `%s'", inp);
rc = 1;
goto dur_out;
}
}
/* start the actual work */
if (dt_given_p && st.ndurs) {
if (!dt_unk_p(d = dadd_add(d, st.durs, st.ndurs))) {
if (UNLIKELY(d.fix) && !argi->quiet_flag) {
rc = 2;
}
if (hackz == NULL && fromz != NULL) {
/* fixup zone */
d = dtz_forgetz(d, fromz);
}
dt_io_write(d, ofmt, z, '\n');
} else {
rc = 1;
}
} else if (st.ndurs) {
/* read dates from stdin */
struct grep_atom_s __nstk[16], *needle = __nstk;
size_t nneedle = countof(__nstk);
struct grep_atom_soa_s ndlsoa;
struct mass_add_clo_s clo[1];
void *pctx;
/* no threads reading this stream */
__io_setlocking_bycaller(stdout);
/* lest we overflow the stack */
if (nfmt >= nneedle) {
/* round to the nearest 8-multiple */
nneedle = (nfmt | 7) + 1;
needle = calloc(nneedle, sizeof(*needle));
}
/* and now build the needle */
ndlsoa = build_needle(needle, nneedle, fmt, nfmt);
/* using the prchunk reader now */
if ((pctx = init_prchunk(STDIN_FILENO)) == NULL) {
serror("could not open stdin");
goto ndl_free;
}
/* build the clo and then loop */
clo->pctx = pctx;
clo->gra = &ndlsoa;
clo->st = st;
clo->fromz = fromz;
clo->hackz = hackz;
clo->z = z;
clo->ofmt = ofmt;
clo->sed_mode_p = argi->sed_mode_flag;
clo->quietp = argi->quiet_flag;
while (prchunk_fill(pctx) >= 0) {
rc |= mass_add_dur(clo);
}
/* get rid of resources */
free_prchunk(pctx);
ndl_free:
if (needle != __nstk) {
free(needle);
}
} else {
/* mass-adding durations to reference date */
struct mass_add_clo_s clo[1];
void *pctx;
/* no threads reading this stream */
__io_setlocking_bycaller(stdout);
/* using the prchunk reader now */
if ((pctx = init_prchunk(STDIN_FILENO)) == NULL) {
serror("could not open stdin");
goto dur_out;
}
/* build the clo and then loop */
clo->pctx = pctx;
clo->rd = d;
clo->fromz = fromz;
clo->hackz = hackz;
clo->z = z;
clo->ofmt = ofmt;
clo->sed_mode_p = argi->sed_mode_flag;
clo->quietp = argi->quiet_flag;
while (prchunk_fill(pctx) >= 0) {
rc |= mass_add_d(clo);
}
/* get rid of resources */
free_prchunk(pctx);
}
dur_out:
/* free the strpdur status */
__strpdtdur_free(&st);
dt_io_clear_zones();
out:
yuck_free(argi);
return rc;
}
int
main(int argc, char *argv[])
{
struct gengetopt_args_info argi[1];
const char *ofmt;
char **fmt;
size_t nfmt;
int res = 0;
zif_t fromz = NULL;
zif_t z = NULL;
if (cmdline_parser(argc, argv, argi)) {
res = 1;
goto out;
}
/* init and unescape sequences, maybe */
ofmt = argi->format_arg;
fmt = argi->input_format_arg;
nfmt = argi->input_format_given;
if (argi->backslash_escapes_given) {
dt_io_unescape(argi->format_arg);
for (size_t i = 0; i < nfmt; i++) {
dt_io_unescape(fmt[i]);
}
}
/* try and read the from and to time zones */
if (argi->from_zone_given) {
fromz = zif_open(argi->from_zone_arg);
}
if (argi->zone_given) {
z = zif_open(argi->zone_arg);
}
if (argi->default_given) {
struct dt_dt_s dflt = dt_strpdt(argi->default_arg, NULL, NULL);
dt_set_default(dflt);
}
if (argi->inputs_num) {
for (size_t i = 0; i < argi->inputs_num; i++) {
const char *inp = argi->inputs[i];
struct dt_dt_s d = dt_io_strpdt(inp, fmt, nfmt, fromz);
if (!dt_unk_p(d)) {
dt_io_write(d, ofmt, z, '\n');
} else if (!argi->quiet_given) {
dt_io_warn_strpdt(inp);
}
}
} else {
/* read from stdin */
size_t lno = 0;
struct grep_atom_s __nstk[16], *needle = __nstk;
size_t nneedle = countof(__nstk);
struct grep_atom_soa_s ndlsoa;
void *pctx;
struct prln_ctx_s prln = {
.ndl = &ndlsoa,
.ofmt = ofmt,
.fromz = fromz,
.outz = z,
.sed_mode_p = argi->sed_mode_given,
.quietp = argi->quiet_given,
};
/* no threads reading this stream */
__io_setlocking_bycaller(stdout);
/* lest we overflow the stack */
if (nfmt >= nneedle) {
/* round to the nearest 8-multiple */
nneedle = (nfmt | 7) + 1;
needle = calloc(nneedle, sizeof(*needle));
}
/* and now build the needles */
ndlsoa = build_needle(needle, nneedle, fmt, nfmt);
/* using the prchunk reader now */
if ((pctx = init_prchunk(STDIN_FILENO)) == NULL) {
error(errno, "Error: could not open stdin");
goto ndl_free;
}
while (prchunk_fill(pctx) >= 0) {
for (char *line; prchunk_haslinep(pctx); lno++) {
size_t llen = prchunk_getline(pctx, &line);
proc_line(prln, line, llen);
}
}
/* get rid of resources */
free_prchunk(pctx);
ndl_free:
if (needle != __nstk) {
free(needle);
}
}
if (argi->from_zone_given) {
zif_close(fromz);
}
if (argi->zone_given) {
zif_close(z);
}
out:
cmdline_parser_free(argi);
return res;
}