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adding a simple json reader

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This commit is contained in:
hyung-hwan 2020-05-29 11:35:20 +00:00
parent ac2cbddd67
commit b895566323
6 changed files with 1065 additions and 25 deletions
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2
mio/lib/Makefile.am
View File

@ -30,6 +30,7 @@ include_HEADERS = \
mio-htrd.h \ mio-htrd.h \
mio-htre.h \ mio-htre.h \
mio-http.h \ mio-http.h \
mio-json.h \
mio-nwif.h \ mio-nwif.h \
mio-pac1.h \ mio-pac1.h \
mio-path.h \ mio-path.h \
@ -60,6 +61,7 @@ libmio_la_SOURCES = \
http-svr.c \ http-svr.c \
http-thr.c \ http-thr.c \
http-txt.c \ http-txt.c \
json.c \
mio-prv.h \ mio-prv.h \
mio.c \ mio.c \
nwif.c \ nwif.c \

34
mio/lib/Makefile.in
View File

@ -143,12 +143,13 @@ am_libmio_la_OBJECTS = libmio_la-chr.lo libmio_la-dns.lo \
libmio_la-fmt.lo libmio_la-htb.lo libmio_la-htrd.lo \ libmio_la-fmt.lo libmio_la-htb.lo libmio_la-htrd.lo \
libmio_la-htre.lo libmio_la-http.lo libmio_la-http-cgi.lo \ libmio_la-htre.lo libmio_la-http.lo libmio_la-http-cgi.lo \
libmio_la-http-svr.lo libmio_la-http-thr.lo \ libmio_la-http-svr.lo libmio_la-http-thr.lo \
libmio_la-http-txt.lo libmio_la-mio.lo libmio_la-nwif.lo \ libmio_la-http-txt.lo libmio_la-json.lo libmio_la-mio.lo \
libmio_la-path.lo libmio_la-pipe.lo libmio_la-pro.lo \ libmio_la-nwif.lo libmio_la-path.lo libmio_la-pipe.lo \
libmio_la-sck.lo libmio_la-skad.lo libmio_la-sys.lo \ libmio_la-pro.lo libmio_la-sck.lo libmio_la-skad.lo \
libmio_la-sys-ass.lo libmio_la-sys-err.lo libmio_la-sys-log.lo \ libmio_la-sys.lo libmio_la-sys-ass.lo libmio_la-sys-err.lo \
libmio_la-sys-mux.lo libmio_la-sys-tim.lo libmio_la-thr.lo \ libmio_la-sys-log.lo libmio_la-sys-mux.lo libmio_la-sys-tim.lo \
libmio_la-tmr.lo libmio_la-utf8.lo libmio_la-utl.lo libmio_la-thr.lo libmio_la-tmr.lo libmio_la-utf8.lo \
libmio_la-utl.lo
libmio_la_OBJECTS = $(am_libmio_la_OBJECTS) libmio_la_OBJECTS = $(am_libmio_la_OBJECTS)
AM_V_lt = $(am__v_lt_@AM_V@) AM_V_lt = $(am__v_lt_@AM_V@)
am__v_lt_ = $(am__v_lt_@AM_DEFAULT_V@) am__v_lt_ = $(am__v_lt_@AM_DEFAULT_V@)
@ -182,10 +183,11 @@ am__depfiles_remade = ./$(DEPDIR)/libmio_la-chr.Plo \
./$(DEPDIR)/libmio_la-http-svr.Plo \ ./$(DEPDIR)/libmio_la-http-svr.Plo \
./$(DEPDIR)/libmio_la-http-thr.Plo \ ./$(DEPDIR)/libmio_la-http-thr.Plo \
./$(DEPDIR)/libmio_la-http-txt.Plo \ ./$(DEPDIR)/libmio_la-http-txt.Plo \
./$(DEPDIR)/libmio_la-http.Plo ./$(DEPDIR)/libmio_la-mio.Plo \ ./$(DEPDIR)/libmio_la-http.Plo ./$(DEPDIR)/libmio_la-json.Plo \
./$(DEPDIR)/libmio_la-nwif.Plo ./$(DEPDIR)/libmio_la-path.Plo \ ./$(DEPDIR)/libmio_la-mio.Plo ./$(DEPDIR)/libmio_la-nwif.Plo \
./$(DEPDIR)/libmio_la-pipe.Plo ./$(DEPDIR)/libmio_la-pro.Plo \ ./$(DEPDIR)/libmio_la-path.Plo ./$(DEPDIR)/libmio_la-pipe.Plo \
./$(DEPDIR)/libmio_la-sck.Plo ./$(DEPDIR)/libmio_la-skad.Plo \ ./$(DEPDIR)/libmio_la-pro.Plo ./$(DEPDIR)/libmio_la-sck.Plo \
./$(DEPDIR)/libmio_la-skad.Plo \
./$(DEPDIR)/libmio_la-sys-ass.Plo \ ./$(DEPDIR)/libmio_la-sys-ass.Plo \
./$(DEPDIR)/libmio_la-sys-err.Plo \ ./$(DEPDIR)/libmio_la-sys-err.Plo \
./$(DEPDIR)/libmio_la-sys-log.Plo \ ./$(DEPDIR)/libmio_la-sys-log.Plo \
@ -420,6 +422,7 @@ include_HEADERS = \
mio-htrd.h \ mio-htrd.h \
mio-htre.h \ mio-htre.h \
mio-http.h \ mio-http.h \
mio-json.h \
mio-nwif.h \ mio-nwif.h \
mio-pac1.h \ mio-pac1.h \
mio-path.h \ mio-path.h \
@ -450,6 +453,7 @@ libmio_la_SOURCES = \
http-svr.c \ http-svr.c \
http-thr.c \ http-thr.c \
http-txt.c \ http-txt.c \
json.c \
mio-prv.h \ mio-prv.h \
mio.c \ mio.c \
nwif.c \ nwif.c \
@ -583,6 +587,7 @@ distclean-compile:
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmio_la-http-thr.Plo@am__quote@ # am--include-marker @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmio_la-http-thr.Plo@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmio_la-http-txt.Plo@am__quote@ # am--include-marker @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmio_la-http-txt.Plo@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmio_la-http.Plo@am__quote@ # am--include-marker @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmio_la-http.Plo@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmio_la-json.Plo@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmio_la-mio.Plo@am__quote@ # am--include-marker @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmio_la-mio.Plo@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmio_la-nwif.Plo@am__quote@ # am--include-marker @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmio_la-nwif.Plo@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmio_la-path.Plo@am__quote@ # am--include-marker @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmio_la-path.Plo@am__quote@ # am--include-marker
@ -729,6 +734,13 @@ libmio_la-http-txt.lo: http-txt.c
@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@ @AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
@am__fastdepCC_FALSE@ $(AM_V_CC@am__nodep@)$(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libmio_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o libmio_la-http-txt.lo `test -f 'http-txt.c' || echo '$(srcdir)/'`http-txt.c @am__fastdepCC_FALSE@ $(AM_V_CC@am__nodep@)$(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libmio_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o libmio_la-http-txt.lo `test -f 'http-txt.c' || echo '$(srcdir)/'`http-txt.c
libmio_la-json.lo: json.c
@am__fastdepCC_TRUE@ $(AM_V_CC)$(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libmio_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT libmio_la-json.lo -MD -MP -MF $(DEPDIR)/libmio_la-json.Tpo -c -o libmio_la-json.lo `test -f 'json.c' || echo '$(srcdir)/'`json.c
@am__fastdepCC_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/libmio_la-json.Tpo $(DEPDIR)/libmio_la-json.Plo
@AMDEP_TRUE@@am__fastdepCC_FALSE@ $(AM_V_CC)source='json.c' object='libmio_la-json.lo' libtool=yes @AMDEPBACKSLASH@
@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
@am__fastdepCC_FALSE@ $(AM_V_CC@am__nodep@)$(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libmio_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o libmio_la-json.lo `test -f 'json.c' || echo '$(srcdir)/'`json.c
libmio_la-mio.lo: mio.c libmio_la-mio.lo: mio.c
@am__fastdepCC_TRUE@ $(AM_V_CC)$(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libmio_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT libmio_la-mio.lo -MD -MP -MF $(DEPDIR)/libmio_la-mio.Tpo -c -o libmio_la-mio.lo `test -f 'mio.c' || echo '$(srcdir)/'`mio.c @am__fastdepCC_TRUE@ $(AM_V_CC)$(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libmio_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT libmio_la-mio.lo -MD -MP -MF $(DEPDIR)/libmio_la-mio.Tpo -c -o libmio_la-mio.lo `test -f 'mio.c' || echo '$(srcdir)/'`mio.c
@am__fastdepCC_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/libmio_la-mio.Tpo $(DEPDIR)/libmio_la-mio.Plo @am__fastdepCC_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/libmio_la-mio.Tpo $(DEPDIR)/libmio_la-mio.Plo
@ -1017,6 +1029,7 @@ distclean: distclean-am
-rm -f ./$(DEPDIR)/libmio_la-http-thr.Plo -rm -f ./$(DEPDIR)/libmio_la-http-thr.Plo
-rm -f ./$(DEPDIR)/libmio_la-http-txt.Plo -rm -f ./$(DEPDIR)/libmio_la-http-txt.Plo
-rm -f ./$(DEPDIR)/libmio_la-http.Plo -rm -f ./$(DEPDIR)/libmio_la-http.Plo
-rm -f ./$(DEPDIR)/libmio_la-json.Plo
-rm -f ./$(DEPDIR)/libmio_la-mio.Plo -rm -f ./$(DEPDIR)/libmio_la-mio.Plo
-rm -f ./$(DEPDIR)/libmio_la-nwif.Plo -rm -f ./$(DEPDIR)/libmio_la-nwif.Plo
-rm -f ./$(DEPDIR)/libmio_la-path.Plo -rm -f ./$(DEPDIR)/libmio_la-path.Plo
@ -1094,6 +1107,7 @@ maintainer-clean: maintainer-clean-am
-rm -f ./$(DEPDIR)/libmio_la-http-thr.Plo -rm -f ./$(DEPDIR)/libmio_la-http-thr.Plo
-rm -f ./$(DEPDIR)/libmio_la-http-txt.Plo -rm -f ./$(DEPDIR)/libmio_la-http-txt.Plo
-rm -f ./$(DEPDIR)/libmio_la-http.Plo -rm -f ./$(DEPDIR)/libmio_la-http.Plo
-rm -f ./$(DEPDIR)/libmio_la-json.Plo
-rm -f ./$(DEPDIR)/libmio_la-mio.Plo -rm -f ./$(DEPDIR)/libmio_la-mio.Plo
-rm -f ./$(DEPDIR)/libmio_la-nwif.Plo -rm -f ./$(DEPDIR)/libmio_la-nwif.Plo
-rm -f ./$(DEPDIR)/libmio_la-path.Plo -rm -f ./$(DEPDIR)/libmio_la-path.Plo

844
mio/lib/json.c Normal file
View File

@ -0,0 +1,844 @@
/*
* $Id$
*
Copyright (c) 2016-2018 Chung, Hyung-Hwan. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <mio-json.h>
#include <mio-chr.h>
#include "mio-prv.h"
#include <string.h>
#include <errno.h>
#define MIO_JSON_TOKEN_NAME_ALIGN 64
/* ========================================================================= */
static void clear_token (mio_json_t* json)
{
json->tok.len = 0;
if (json->tok_capa > 0) json->tok.ptr[json->tok.len] = '\0';
}
static int add_char_to_token (mio_json_t* json, mio_ooch_t ch)
{
if (json->tok.len >= json->tok_capa)
{
mio_ooch_t* tmp;
mio_oow_t newcapa;
newcapa = MIO_ALIGN_POW2(json->tok.len + 2, MIO_JSON_TOKEN_NAME_ALIGN); /* +2 here because of -1 when setting newcapa */
tmp = (mio_ooch_t*)mio_reallocmem(json->mio, json->tok.ptr, newcapa * MIO_SIZEOF(*tmp));
if (!tmp) return -1;
json->tok_capa = newcapa - 1; /* -1 to secure space for terminating null */
json->tok.ptr = tmp;
}
json->tok.ptr[json->tok.len++] = ch;
json->tok.ptr[json->tok.len] = '\0';
return 0;
}
static int add_chars_to_token (mio_json_t* json, const mio_ooch_t* ptr, mio_oow_t len)
{
mio_oow_t i;
if (json->tok_capa - json->tok.len > len)
{
mio_ooch_t* tmp;
mio_oow_t newcapa;
newcapa = MIO_ALIGN_POW2(json->tok.len + len + 1, MIO_JSON_TOKEN_NAME_ALIGN);
tmp = (mio_ooch_t*)mio_reallocmem(json->mio, json->tok.ptr, newcapa * MIO_SIZEOF(*tmp));
if (!tmp) return -1;
json->tok_capa = newcapa - 1;
json->tok.ptr = tmp;
}
for (i = 0; i < len; i++)
json->tok.ptr[json->tok.len++] = ptr[i];
json->tok.ptr[json->tok.len] = '\0';
return 0;
}
static MIO_INLINE mio_ooch_t unescape (mio_ooch_t c)
{
switch (c)
{
case 'a': return '\a';
case 'b': return '\b';
case 'f': return '\f';
case 'n': return '\n';
case 'r': return '\r';
case 't': return '\t';
case 'v': return '\v';
default: return c;
}
}
/* ========================================================================= */
static int push_state (mio_json_t* json, mio_json_state_t state)
{
mio_json_state_node_t* ss;
ss = (mio_json_state_node_t*)mio_callocmem(json->mio, MIO_SIZEOF(*ss));
if (MIO_UNLIKELY(!ss)) return -1;
ss->state = state;
ss->next = json->state_stack;
json->state_stack = ss;
return 0;
}
static void pop_state (mio_json_t* json)
{
mio_json_state_node_t* ss;
ss = json->state_stack;
MIO_ASSERT (json->mio, ss != MIO_NULL && ss != &json->state_top);
json->state_stack = ss->next;
if (json->state_stack->state == MIO_JSON_STATE_IN_ARRAY)
{
json->state_stack->u.ia.got_value = 1;
}
else if (json->state_stack->state == MIO_JSON_STATE_IN_DIC)
{
json->state_stack->u.id.state++;
}
/* TODO: don't free this. move it to the free list? */
mio_freemem (json->mio, ss);
}
static void pop_all_states (mio_json_t* json)
{
while (json->state_stack != &json->state_top) pop_state (json);
}
/* ========================================================================= */
static int invoke_data_inst (mio_json_t* json, mio_json_inst_t inst)
{
if (json->state_stack->state == MIO_JSON_STATE_IN_DIC && json->state_stack->u.id.state == 1)
{
if (inst != MIO_JSON_INST_STRING)
{
mio_seterrbfmt (json->mio, MIO_EINVAL, "dictionary key not a string - %.*js", json->tok.len, json->tok.ptr);
return -1;
}
inst = MIO_JSON_INST_KEY;
}
///// XXXXX
///// if (json->instcb(json, inst, &json->tok) <= -1) return -1;
/////
return 0;
}
static int handle_string_value_char (mio_json_t* json, mio_ooci_t c)
{
int ret = 1;
if (json->state_stack->u.sv.escaped == 3)
{
if (c >= '0' && c <= '7')
{
json->state_stack->u.sv.acc = json->state_stack->u.sv.acc * 8 + c - '0';
json->state_stack->u.sv.digit_count++;
if (json->state_stack->u.sv.digit_count >= json->state_stack->u.sv.escaped) goto add_sv_acc;
}
else
{
ret = 0;
goto add_sv_acc;
}
}
else if (json->state_stack->u.sv.escaped >= 2)
{
if (c >= '0' && c <= '9')
{
json->state_stack->u.sv.acc = json->state_stack->u.sv.acc * 16 + c - '0';
json->state_stack->u.sv.digit_count++;
if (json->state_stack->u.sv.digit_count >= json->state_stack->u.sv.escaped) goto add_sv_acc;
}
else if (c >= 'a' && c <= 'f')
{
json->state_stack->u.sv.acc = json->state_stack->u.sv.acc * 16 + c - 'a' + 10;
json->state_stack->u.sv.digit_count++;
if (json->state_stack->u.sv.digit_count >= json->state_stack->u.sv.escaped) goto add_sv_acc;
}
else if (c >= 'A' && c <= 'F')
{
json->state_stack->u.sv.acc = json->state_stack->u.sv.acc * 16 + c - 'A' + 10;
json->state_stack->u.sv.digit_count++;
if (json->state_stack->u.sv.digit_count >= json->state_stack->u.sv.escaped) goto add_sv_acc;
}
else
{
ret = 0;
add_sv_acc:
#if defined(MIO_OOCH_IS_UCH)
if (add_char_to_token(json, json->state_stack->u.sv.acc) <= -1) return -1;
#else
/* convert the character to utf8 */
{
mio_bch_t bcsbuf[MIO_BCSIZE_MAX];
mio_oow_t n;
n = json->mio->_cmgr->uctobc(json->state_stack->u.sv.acc, bcsbuf, MIO_COUNTOF(bcsbuf));
if (n == 0 || n > MIO_COUNTOF(bcsbuf))
{
/* illegal character or buffer to small */
mio_seterrbfmt (json->mio, MIO_EECERR, "unable to convert %jc", json->state_stack->u.sv.acc);
return -1;
}
if (add_chars_to_token(json, bcsbuf, n) <= -1) return -1;
}
#endif
json->state_stack->u.sv.escaped = 0;
}
}
else if (json->state_stack->u.sv.escaped == 1)
{
if (c >= '0' && c <= '8')
{
json->state_stack->u.sv.escaped = 3;
json->state_stack->u.sv.digit_count = 0;
json->state_stack->u.sv.acc = c - '0';
}
else if (c == 'x')
{
json->state_stack->u.sv.escaped = 2;
json->state_stack->u.sv.digit_count = 0;
json->state_stack->u.sv.acc = 0;
}
else if (c == 'u')
{
json->state_stack->u.sv.escaped = 4;
json->state_stack->u.sv.digit_count = 0;
json->state_stack->u.sv.acc = 0;
}
else if (c == 'U')
{
json->state_stack->u.sv.escaped = 8;
json->state_stack->u.sv.digit_count = 0;
json->state_stack->u.sv.acc = 0;
}
else
{
json->state_stack->u.sv.escaped = 0;
if (add_char_to_token(json, unescape(c)) <= -1) return -1;
}
}
else if (c == '\\')
{
json->state_stack->u.sv.escaped = 1;
}
else if (c == '\"')
{
pop_state (json);
if (invoke_data_inst(json, MIO_JSON_INST_STRING) <= -1) return -1;
}
else
{
if (add_char_to_token(json, c) <= -1) return -1;
}
return ret;
}
static int handle_character_value_char (mio_json_t* json, mio_ooci_t c)
{
/* The real JSON dones't support character literal. this is MIO's own extension. */
int ret = 1;
if (json->state_stack->u.cv.escaped == 3)
{
if (c >= '0' && c <= '7')
{
json->state_stack->u.cv.acc = json->state_stack->u.cv.acc * 8 + c - '0';
json->state_stack->u.cv.digit_count++;
if (json->state_stack->u.cv.digit_count >= json->state_stack->u.cv.escaped) goto add_cv_acc;
}
else
{
ret = 0;
goto add_cv_acc;
}
}
if (json->state_stack->u.cv.escaped >= 2)
{
if (c >= '0' && c <= '9')
{
json->state_stack->u.cv.acc = json->state_stack->u.cv.acc * 16 + c - '0';
json->state_stack->u.cv.digit_count++;
if (json->state_stack->u.cv.digit_count >= json->state_stack->u.cv.escaped) goto add_cv_acc;
}
else if (c >= 'a' && c <= 'f')
{
json->state_stack->u.cv.acc = json->state_stack->u.cv.acc * 16 + c - 'a' + 10;
json->state_stack->u.cv.digit_count++;
if (json->state_stack->u.cv.digit_count >= json->state_stack->u.cv.escaped) goto add_cv_acc;
}
else if (c >= 'A' && c <= 'F')
{
json->state_stack->u.cv.acc = json->state_stack->u.cv.acc * 16 + c - 'A' + 10;
json->state_stack->u.cv.digit_count++;
if (json->state_stack->u.cv.digit_count >= json->state_stack->u.cv.escaped) goto add_cv_acc;
}
else
{
ret = 0;
add_cv_acc:
if (add_char_to_token(json, json->state_stack->u.cv.acc) <= -1) return -1;
json->state_stack->u.cv.escaped = 0;
}
}
else if (json->state_stack->u.cv.escaped == 1)
{
if (c >= '0' && c <= '8')
{
json->state_stack->u.cv.escaped = 3;
json->state_stack->u.cv.digit_count = 0;
json->state_stack->u.cv.acc = c - '0';
}
else if (c == 'x')
{
json->state_stack->u.cv.escaped = 2;
json->state_stack->u.cv.digit_count = 0;
json->state_stack->u.cv.acc = 0;
}
else if (c == 'u')
{
json->state_stack->u.cv.escaped = 4;
json->state_stack->u.cv.digit_count = 0;
json->state_stack->u.cv.acc = 0;
}
else if (c == 'U')
{
json->state_stack->u.cv.escaped = 8;
json->state_stack->u.cv.digit_count = 0;
json->state_stack->u.cv.acc = 0;
}
else
{
json->state_stack->u.cv.escaped = 0;
if (add_char_to_token(json, unescape(c)) <= -1) return -1;
}
}
else if (c == '\\')
{
json->state_stack->u.cv.escaped = 1;
}
else if (c == '\'')
{
pop_state (json);
if (json->tok.len < 1)
{
mio_seterrbfmt (json->mio, MIO_EINVAL, "no character in a character literal");
return -1;
}
if (invoke_data_inst(json, MIO_JSON_INST_CHARACTER) <= -1) return -1;
}
else
{
if (add_char_to_token(json, c) <= -1) return -1;
}
if (json->tok.len > 1)
{
mio_seterrbfmt (json->mio, MIO_EINVAL, "too many characters in a character literal - %.*js", json->tok.len, json->tok.ptr);
return -1;
}
return ret;
}
static int handle_numeric_value_char (mio_json_t* json, mio_ooci_t c)
{
if (mio_is_ooch_digit(c) || (json->tok.len == 0 && (c == '+' || c == '-')))
{
if (add_char_to_token(json, c) <= -1) return -1;
return 1;
}
else if (!json->state_stack->u.nv.dotted && c == '.' &&
json->tok.len > 0 && mio_is_ooch_digit(json->tok.ptr[json->tok.len - 1]))
{
if (add_char_to_token(json, c) <= -1) return -1;
json->state_stack->u.nv.dotted = 1;
return 1;
}
pop_state (json);
MIO_ASSERT (json->mio, json->tok.len > 0);
if (!mio_is_ooch_digit(json->tok.ptr[json->tok.len - 1]))
{
mio_seterrbfmt (json->mio, MIO_EINVAL, "invalid numeric value - %.*js", json->tok.len, json->tok.ptr);
return -1;
}
if (invoke_data_inst(json, MIO_JSON_INST_NUMBER) <= -1) return -1;
return 0; /* start over */
}
static int handle_word_value_char (mio_json_t* json, mio_ooci_t c)
{
mio_json_inst_t inst;
if (mio_is_ooch_alpha(c))
{
if (add_char_to_token(json, c) <= -1) return -1;
return 1;
}
pop_state (json);
if (mio_comp_oochars_bcstr(json->tok.ptr, json->tok.len, "null", 0) == 0) inst = MIO_JSON_INST_NIL;
else if (mio_comp_oochars_bcstr(json->tok.ptr, json->tok.len, "true", 0) == 0) inst = MIO_JSON_INST_TRUE;
else if (mio_comp_oochars_bcstr(json->tok.ptr, json->tok.len, "false", 0) == 0) inst = MIO_JSON_INST_FALSE;
else
{
mio_seterrbfmt (json->mio, MIO_EINVAL, "invalid word value - %.*js", json->tok.len, json->tok.ptr);
return -1;
}
if (invoke_data_inst(json, inst) <= -1) return -1;
return 0; /* start over */
}
/* ========================================================================= */
static int handle_start_char (mio_json_t* json, mio_ooci_t c)
{
if (c == '[')
{
if (push_state(json, MIO_JSON_STATE_IN_ARRAY) <= -1) return -1;
json->state_stack->u.ia.got_value = 0;
if (json->instcb(json, MIO_JSON_INST_START_ARRAY, MIO_NULL) <= -1) return -1;
return 1;
}
else if (c == '{')
{
if (push_state(json, MIO_JSON_STATE_IN_DIC) <= -1) return -1;
json->state_stack->u.id.state = 0;
if (json->instcb(json, MIO_JSON_INST_START_DIC, MIO_NULL) <= -1) return -1;
return 1;
}
else if (mio_is_ooch_space(c))
{
/* do nothing */
return 1;
}
else
{
mio_seterrbfmt (json->mio, MIO_EINVAL, "not starting with [ or { - %jc", (mio_ooch_t)c);
return -1;
}
}
static int handle_char_in_array (mio_json_t* json, mio_ooci_t c)
{
if (c == ']')
{
if (json->instcb(json, MIO_JSON_INST_END_ARRAY, MIO_NULL) <= -1) return -1;
pop_state (json);
return 1;
}
else if (c == ',')
{
if (!json->state_stack->u.ia.got_value)
{
mio_seterrbfmt (json->mio, MIO_EINVAL, "redundant comma in array - %jc", (mio_ooch_t)c);
return -1;
}
json->state_stack->u.ia.got_value = 0;
return 1;
}
else if (mio_is_ooch_space(c))
{
/* do nothing */
return 1;
}
else
{
if (json->state_stack->u.ia.got_value)
{
mio_seterrbfmt (json->mio, MIO_EINVAL, "comma required in array - %jc", (mio_ooch_t)c);
return -1;
}
if (c == '\"')
{
if (push_state(json, MIO_JSON_STATE_IN_STRING_VALUE) <= -1) return -1;
clear_token (json);
return 1;
}
else if (c == '\'')
{
if (push_state(json, MIO_JSON_STATE_IN_CHARACTER_VALUE) <= -1) return -1;
clear_token (json);
return 1;
}
/* TOOD: else if (c == '#') MIO radixed number
*/
else if (mio_is_ooch_digit(c) || c == '+' || c == '-')
{
if (push_state(json, MIO_JSON_STATE_IN_NUMERIC_VALUE) <= -1) return -1;
clear_token (json);
json->state_stack->u.nv.dotted = 0;
return 0; /* start over */
}
else if (mio_is_ooch_alpha(c))
{
if (push_state(json, MIO_JSON_STATE_IN_WORD_VALUE) <= -1) return -1;
clear_token (json);
return 0; /* start over */
}
else if (c == '[')
{
if (push_state(json, MIO_JSON_STATE_IN_ARRAY) <= -1) return -1;
json->state_stack->u.ia.got_value = 0;
if (json->instcb(json, MIO_JSON_INST_START_ARRAY, MIO_NULL) <= -1) return -1;
return 1;
}
else if (c == '{')
{
if (push_state(json, MIO_JSON_STATE_IN_DIC) <= -1) return -1;
json->state_stack->u.id.state = 0;
if (json->instcb(json, MIO_JSON_INST_START_DIC, MIO_NULL) <= -1) return -1;
return 1;
}
else
{
mio_seterrbfmt (json->mio, MIO_EINVAL, "wrong character inside array - %jc[%d]", (mio_ooch_t)c, (int)c);
return -1;
}
}
}
static int handle_char_in_dic (mio_json_t* json, mio_ooci_t c)
{
if (c == '}')
{
if (json->instcb(json, MIO_JSON_INST_END_DIC, MIO_NULL) <= -1) return -1;
pop_state (json);
return 1;
}
else if (c == ':')
{
if (json->state_stack->u.id.state != 1)
{
mio_seterrbfmt (json->mio, MIO_EINVAL, "redundant colon in dictionary - %jc", (mio_ooch_t)c);
return -1;
}
json->state_stack->u.id.state++;
return 1;
}
else if (c == ',')
{
if (json->state_stack->u.id.state != 3)
{
mio_seterrbfmt (json->mio, MIO_EINVAL, "redundant comma in dicitonary - %jc", (mio_ooch_t)c);
return -1;
}
json->state_stack->u.id.state = 0;
return 1;
}
else if (mio_is_ooch_space(c))
{
/* do nothing */
return 1;
}
else
{
if (json->state_stack->u.id.state == 1)
{
mio_seterrbfmt (json->mio, MIO_EINVAL, "colon required in dicitonary - %jc", (mio_ooch_t)c);
return -1;
}
else if (json->state_stack->u.id.state == 3)
{
mio_seterrbfmt (json->mio, MIO_EINVAL, "comma required in dicitonary - %jc", (mio_ooch_t)c);
return -1;
}
if (c == '\"')
{
if (push_state(json, MIO_JSON_STATE_IN_STRING_VALUE) <= -1) return -1;
clear_token (json);
return 1;
}
else if (c == '\'')
{
if (push_state(json, MIO_JSON_STATE_IN_CHARACTER_VALUE) <= -1) return -1;
clear_token (json);
return 1;
}
/* TOOD: else if (c == '#') MIO radixed number
*/
else if (mio_is_ooch_digit(c) || c == '+' || c == '-')
{
if (push_state(json, MIO_JSON_STATE_IN_NUMERIC_VALUE) <= -1) return -1;
clear_token (json);
json->state_stack->u.nv.dotted = 0;
return 0; /* start over */
}
else if (mio_is_ooch_alpha(c))
{
if (push_state(json, MIO_JSON_STATE_IN_WORD_VALUE) <= -1) return -1;
clear_token (json);
return 0; /* start over */
}
else if (c == '[')
{
if (push_state(json, MIO_JSON_STATE_IN_ARRAY) <= -1) return -1;
json->state_stack->u.ia.got_value = 0;
if (json->instcb(json, MIO_JSON_INST_START_ARRAY, MIO_NULL) <= -1) return -1;
return 1;
}
else if (c == '{')
{
if (push_state(json, MIO_JSON_STATE_IN_DIC) <= -1) return -1;
json->state_stack->u.id.state = 0;
if (json->instcb(json, MIO_JSON_INST_START_DIC, MIO_NULL) <= -1) return -1;
return 1;
}
else
{
mio_seterrbfmt (json->mio, MIO_EINVAL, "wrong character inside dictionary - %jc[%d]", (mio_ooch_t)c, (int)c);
return -1;
}
}
}
/* ========================================================================= */
static int handle_char (mio_json_t* json, mio_ooci_t c)
{
int x;
start_over:
if (c == MIO_OOCI_EOF)
{
if (json->state_stack->state == MIO_JSON_STATE_START)
{
/* no input data */
return 0;
}
else
{
mio_seterrbfmt (json->mio, MIO_EBADRE, "unexpected end of data");
return -1;
}
}
switch (json->state_stack->state)
{
case MIO_JSON_STATE_START:
x = handle_start_char(json, c);
break;
case MIO_JSON_STATE_IN_ARRAY:
x = handle_char_in_array(json, c);
break;
case MIO_JSON_STATE_IN_DIC:
x = handle_char_in_dic(json, c);
break;
case MIO_JSON_STATE_IN_WORD_VALUE:
x = handle_word_value_char(json, c);
break;
case MIO_JSON_STATE_IN_STRING_VALUE:
x = handle_string_value_char(json, c);
break;
case MIO_JSON_STATE_IN_CHARACTER_VALUE:
x = handle_character_value_char(json, c);
break;
case MIO_JSON_STATE_IN_NUMERIC_VALUE:
x = handle_numeric_value_char(json, c);
break;
default:
mio_seterrbfmt (json->mio, MIO_EINTERN, "internal error - must not be called for state %d", (int)json->state_stack->state);
return -1;
}
if (x <= -1) return -1;
if (x == 0) goto start_over;
return 0;
}
/* ========================================================================= */
static int feed_json_data (mio_json_t* json, const mio_bch_t* data, mio_oow_t len, mio_oow_t* xlen)
{
const mio_bch_t* ptr;
const mio_bch_t* end;
ptr = data;
end = ptr + len;
while (ptr < end)
{
mio_ooci_t c;
#if defined(MIO_OOCH_IS_UCH)
mio_ooch_t uc;
mio_oow_t bcslen;
mio_oow_t n;
bcslen = end - ptr;
n = json->mio->_cmgr->bctouc(ptr, bcslen, &uc);
if (n == 0)
{
/* invalid sequence */
uc = *ptr;
n = 1;
}
else if (n > bcslen)
{
/* incomplete sequence */
*xlen = ptr - data;
return 0; /* feed more for incomplete sequence */
}
ptr += n;
c = uc;
#else
c = *ptr++;
#endif
/* handle a signle character */
if (handle_char(json, c) <= -1) goto oops;
}
*xlen = ptr - data;
return 1;
oops:
/* TODO: compute the number of processed bytes so far and return it via a parameter??? */
/*printf ("feed oops....\n");*/
return -1;
}
/* ========================================================================= */
mio_json_t* mio_json_open (mio_t* mio, mio_oow_t xtnsize)
{
mio_json_t* json;
json = (mio_json_t*)mio_allocmem(mio, MIO_SIZEOF(*json) + xtnsize);
if (MIO_LIKELY(json))
{
if (mio_json_init(json, mio) <= -1)
{
mio_freemem (mio, json);
return MIO_NULL;
}
else
{
MIO_MEMSET (json + 1, 0, xtnsize);
}
}
return json;
}
void mio_json_close (mio_json_t* json)
{
mio_json_fini (json);
mio_freemem (json->mio, json);
}
int mio_json_init (mio_json_t* json, mio_t* mio)
{
MIO_MEMSET (json, 0, MIO_SIZEOF(*json));
json->mio = mio;
json->state_top.state = MIO_JSON_STATE_START;
json->state_top.next = MIO_NULL;
json->state_stack = &json->state_top;
return 0;
}
void mio_json_fini (mio_json_t* json)
{
pop_all_states (json);
if (json->tok.ptr)
{
mio_freemem (json->mio, json->tok.ptr);
json->tok.ptr = MIO_NULL;
}
}
/* ========================================================================= */
mio_json_state_t mio_json_getstate (mio_json_t* json)
{
return json->state_stack->state;
}
void mio_json_reset (mio_json_t* json)
{
/* TODO: reset XXXXXXXXXXXXXXXXXXXXXXXXXXXxxxxx */
pop_all_states (json);
MIO_ASSERT (json->mio, json->state_stack == &json->state_top);
json->state_stack->state = MIO_JSON_STATE_START;
}
int mio_json_feed (mio_json_t* json, const void* ptr, mio_oow_t len, mio_oow_t* xlen)
{
int x;
mio_oow_t total, ylen;
const mio_bch_t* buf;
buf = (const mio_bch_t*)ptr;
total = 0;
while (total < len)
{
x = feed_json_data(json, &buf[total], len - total, &ylen);
if (x <= -1) return -1;
total += ylen;
if (x == 0) break; /* incomplete sequence encountered */
}
*xlen = total;
return 0;
}

180
mio/lib/mio-json.h Normal file
View File

@ -0,0 +1,180 @@
/*
* $Id$
*
Copyright (c) 2016-2020 Chung, Hyung-Hwan. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _MIO_JSON_H_
#define _MIO_JSON_H_
#include <mio.h>
/**
* The mio_json_t type defines a simple json parser.
*/
typedef struct mio_json_t mio_json_t;
/* ========================================================================= */
enum mio_json_state_t
{
MIO_JSON_STATE_START,
MIO_JSON_STATE_IN_ARRAY,
MIO_JSON_STATE_IN_DIC,
MIO_JSON_STATE_IN_WORD_VALUE,
MIO_JSON_STATE_IN_NUMERIC_VALUE,
MIO_JSON_STATE_IN_STRING_VALUE,
MIO_JSON_STATE_IN_CHARACTER_VALUE
};
typedef enum mio_json_state_t mio_json_state_t;
/* ========================================================================= */
enum mio_json_inst_t
{
MIO_JSON_INST_START_ARRAY,
MIO_JSON_INST_END_ARRAY,
MIO_JSON_INST_START_DIC,
MIO_JSON_INST_END_DIC,
MIO_JSON_INST_KEY,
MIO_JSON_INST_CHARACTER, /* there is no such element as character in real JSON */
MIO_JSON_INST_STRING,
MIO_JSON_INST_NUMBER,
MIO_JSON_INST_NIL,
MIO_JSON_INST_TRUE,
MIO_JSON_INST_FALSE,
};
typedef enum mio_json_inst_t mio_json_inst_t;
typedef int (*mio_json_instcb_t) (
mio_json_t* json,
mio_json_inst_t inst,
const mio_oocs_t* str
);
typedef struct mio_json_state_node_t mio_json_state_node_t;
struct mio_json_state_node_t
{
mio_json_state_t state;
union
{
struct
{
int got_value;
} ia; /* in array */
struct
{
/* 0: ready to get key (at the beginning or got comma),
* 1: got key, 2: got colon, 3: got value */
int state;
} id; /* in dictionary */
struct
{
int escaped;
int digit_count;
/* acc is always of unicode type to handle \u and \U.
* in the bch mode, it will get converted to a utf8 stream. */
mio_uch_t acc;
} sv;
struct
{
int escaped;
int digit_count;
/* for a character, no way to support the unicode character
* in the bch mode */
mio_ooch_t acc;
} cv;
struct
{
int dotted;
} nv;
} u;
mio_json_state_node_t* next;
};
struct mio_json_t
{
mio_t* mio;
mio_json_instcb_t instcb;
mio_json_state_node_t state_top;
mio_json_state_node_t* state_stack;
mio_oocs_t tok;
mio_oow_t tok_capa;
};
/* ========================================================================= */
#if defined(__cplusplus)
extern "C" {
#endif
MIO_EXPORT mio_json_t* mio_json_open (
mio_t* mio,
mio_oow_t xtnsize
);
MIO_EXPORT void mio_json_close (
mio_json_t* json
);
MIO_EXPORT int mio_json_init (
mio_json_t* json,
mio_t* mio
);
MIO_EXPORT void mio_json_fini (
mio_json_t* json
);
MIO_EXPORT void mio_json_reset (
mio_json_t* json
);
MIO_EXPORT int mio_json_feed (
mio_json_t* json,
const void* ptr,
mio_oow_t len,
mio_oow_t* xlen
);
MIO_EXPORT mio_json_state_t mio_json_getstate (
mio_json_t* json
);
#if defined(MIO_HAVE_INLINE)
static MIO_INLINE void* mio_json_getxtn (mio_json_t* json) { return (void*)(json + 1); }
#else
#define mio_json_getxtn(json) ((void*)((mio_json_t*)(json) + 1))
#endif
#if defined(__cplusplus)
}
#endif
#endif

28
mio/lib/mio-utl.h
View File

@ -478,13 +478,13 @@ MIO_EXPORT mio_oow_t mio_count_bcstr (
); );
#if defined(MIO_OOCH_IS_UCH) #if defined(MIO_OOCH_IS_UCH)
# define mio_equal_oochars(str1,str2,len) mio_equal_uchars(str1,str2,len) # define mio_equal_oochars mio_equal_uchars
# define mio_comp_oochars(str1,len1,str2,len2) mio_comp_uchars(str1,len1,str2,len2) # define mio_comp_oochars mio_comp_uchars
# define mio_comp_oocstr_bcstr(str1,str2) mio_comp_ucstr_bcstr(str1,str2) # define mio_comp_oocstr_bcstr mio_comp_ucstr_bcstr
# define mio_comp_oochars_bcstr(str1,len1,str2) mio_comp_uchars_bcstr(str1,len1,str2) # define mio_comp_oochars_bcstr mio_comp_uchars_bcstr
# define mio_comp_oochars_ucstr(str1,len1,str2) mio_comp_uchars_ucstr(str1,len1,str2) # define mio_comp_oochars_ucstr mio_comp_uchars_ucstr
# define mio_comp_oochars_oocstr(str1,len1,str2) mio_comp_uchars_ucstr(str1,len1,str2) # define mio_comp_oochars_oocstr mio_comp_uchars_ucstr
# define mio_comp_oocstr(str1,str2) mio_comp_ucstr(str1,str2) # define mio_comp_oocstr mio_comp_ucstr
# define mio_copy_oochars mio_copy_uchars # define mio_copy_oochars mio_copy_uchars
# define mio_copy_bchars_to_oochars mio_copy_bchars_to_uchars # define mio_copy_bchars_to_oochars mio_copy_bchars_to_uchars
@ -506,13 +506,13 @@ MIO_EXPORT mio_oow_t mio_count_bcstr (
# define mio_split_oocstr mio_split_ucstr # define mio_split_oocstr mio_split_ucstr
# define mio_count_oocstr mio_count_ucstr # define mio_count_oocstr mio_count_ucstr
#else #else
# define mio_equal_oochars(str1,str2,len) mio_equal_bchars(str1,str2,len) # define mio_equal_oochars mio_equal_bchars
# define mio_comp_oochars(str1,len1,str2,len2) mio_comp_bchars(str1,len1,str2,len2) # define mio_comp_oochars mio_comp_bchars
# define mio_comp_oocstr_bcstr(str1,str2) mio_comp_bcstr(str1,str2) # define mio_comp_oocstr_bcstr mio_comp_bcstr
# define mio_comp_oochars_bcstr(str1,len1,str2) mio_comp_bchars_bcstr(str1,len1,str2) # define mio_comp_oochars_bcstr mio_comp_bchars_bcstr
# define mio_comp_oochars_ucstr(str1,len1,str2) mio_comp_bchars_ucstr(str1,len1,str2) # define mio_comp_oochars_ucstr mio_comp_bchars_ucstr
# define mio_comp_oochars_oocstr(str1,len1,str2) mio_comp_bchars_bcstr(str1,len1,str2) # define mio_comp_oochars_oocstr mio_comp_bchars_bcstr
# define mio_comp_oocstr(str1,str2) mio_comp_bcstr(str1,str2) # define mio_comp_oocstr mio_comp_bcstr
# define mio_copy_oochars mio_copy_bchars # define mio_copy_oochars mio_copy_bchars
# define mio_copy_bchars_to_oochars mio_copy_bchars # define mio_copy_bchars_to_oochars mio_copy_bchars

2
mio/lib/mio.h
View File

@ -975,7 +975,7 @@ MIO_EXPORT int mio_gettmrjobdeadline (
* ========================================================================= */ * ========================================================================= */
/** /**
* the mio_gettime() function returns the elapsed time since mio initialization. * The mio_gettime() function returns the elapsed time since mio initialization.
*/ */
MIO_EXPORT void mio_gettime ( MIO_EXPORT void mio_gettime (
mio_t* mio, mio_t* mio,