add pointer-sized opaque format character p

This commit is contained in:
Troy D. Hanson 2014-03-25 23:27:54 -04:00
parent 5ac54fe7be
commit a95c629f03
5 changed files with 54 additions and 11 deletions

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@ -1,5 +1,5 @@
/*
Copyright (c) 2005-2013, Troy D. Hanson http://troydhanson.github.com/tpl/
Copyright (c) 2005-2014, Troy D. Hanson http://troydhanson.github.io/tpl/
All rights reserved.
Redistribution and use in source and binary forms, with or without
@ -21,10 +21,7 @@ NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#define TPL_VERSION 1.6
static const char id[]="$Id: tpl.c 192 2009-04-24 10:35:30Z thanson $";
#define TPL_VERSION 1.6.1
#include <stdlib.h> /* malloc */
#include <stdarg.h> /* va_list */
@ -110,6 +107,7 @@ typedef unsigned __int64 uint64_t;
#define TPL_TYPE_INT16 10
#define TPL_TYPE_UINT16 11
#define TPL_TYPE_POUND 12
#define TPL_TYPE_PTR 13
/* error codes */
#define ERR_NOT_MINSIZE (-1)
@ -230,9 +228,9 @@ tpl_hook_t tpl_hook = {
/* .gather_max = */ 0 /* max tpl size (bytes) for tpl_gather */
};
static const char tpl_fmt_chars[] = "AS($)BiucsfIUjv#"; /* valid format chars */
static const char tpl_S_fmt_chars[] = "iucsfIUjv#$()"; /* valid within S(...) */
static const char tpl_datapeek_ok_chars[] = "iucsfIUjv"; /* valid in datapeek */
static const char tpl_fmt_chars[] = "AS($)BiucsfIUjv#p"; /* valid format chars */
static const char tpl_S_fmt_chars[] = "iucsfIUjv#$()p"; /* valid within S(...) */
static const char tpl_datapeek_ok_chars[] = "iucsfIUjvp"; /* valid in datapeek */
static const struct tpl_type_t tpl_types[] = {
/* [TPL_TYPE_ROOT] = */ {'r', 0},
/* [TPL_TYPE_INT32] = */ {'i', sizeof(int32_t)},
@ -247,6 +245,7 @@ static const struct tpl_type_t tpl_types[] = {
/* [TPL_TYPE_INT16] = */ {'j', sizeof(int16_t)},
/* [TPL_TYPE_UINT16] = */ {'v', sizeof(uint16_t)},
/* [TPL_TYPE_POUND] = */ {'#', 0},
/* [TPL_TYPE_PTR] = */ {'p', sizeof(void*)},
};
/* default error-reporting function. Just writes to stderr. */
@ -356,6 +355,7 @@ TPL_API tpl_node *tpl_map_va(char *fmt, va_list ap) {
case 'I':
case 'U':
case 'f':
case 'p':
if (*c=='c') t=TPL_TYPE_BYTE;
else if (*c=='i') t=TPL_TYPE_INT32;
else if (*c=='u') t=TPL_TYPE_UINT32;
@ -364,6 +364,7 @@ TPL_API tpl_node *tpl_map_va(char *fmt, va_list ap) {
else if (*c=='I') t=TPL_TYPE_INT64;
else if (*c=='U') t=TPL_TYPE_UINT64;
else if (*c=='f') t=TPL_TYPE_DOUBLE;
else if (*c=='p') t=TPL_TYPE_PTR;
if (expect_lparen) goto fail;
n = tpl_node_new(parent);
@ -417,7 +418,7 @@ TPL_API tpl_node *tpl_map_va(char *fmt, va_list ap) {
t == TPL_TYPE_UINT32 || t == TPL_TYPE_DOUBLE ||
t == TPL_TYPE_UINT64 || t == TPL_TYPE_INT64 ||
t == TPL_TYPE_UINT16 || t == TPL_TYPE_INT16 ||
t == TPL_TYPE_STR )) goto fail;
t == TPL_TYPE_STR || t == TPL_TYPE_PTR )) goto fail;
}
/* count up how many contiguous # and form their product */
pound_prod=1;
@ -629,6 +630,7 @@ static void tpl_free_keep_map(tpl_node *r) {
case TPL_TYPE_INT16:
case TPL_TYPE_UINT16:
case TPL_TYPE_POUND:
case TPL_TYPE_PTR:
find_next_node=1;
break;
case TPL_TYPE_ARY:
@ -726,6 +728,7 @@ TPL_API void tpl_free(tpl_node *r) {
case TPL_TYPE_INT16:
case TPL_TYPE_UINT16:
case TPL_TYPE_POUND:
case TPL_TYPE_PTR:
tpl_hook.free(c->data);
find_next_node=1;
break;
@ -857,6 +860,7 @@ static void *tpl_dump_atyp(tpl_node *n, tpl_atyp* at, void *dv) {
case TPL_TYPE_UINT64:
case TPL_TYPE_INT16:
case TPL_TYPE_UINT16:
case TPL_TYPE_PTR:
dv = tpl_cpv(dv,datav,tpl_types[c->type].sz * c->num);
datav = (void*)((uintptr_t)datav + tpl_types[c->type].sz * c->num);
break;
@ -930,6 +934,7 @@ static size_t tpl_ser_osz(tpl_node *n) {
case TPL_TYPE_UINT64:
case TPL_TYPE_INT16:
case TPL_TYPE_UINT16:
case TPL_TYPE_PTR:
sz += tpl_types[c->type].sz * c->num;
break;
case TPL_TYPE_BIN:
@ -1100,6 +1105,7 @@ static int tpl_dump_to_mem(tpl_node *r,void *addr,size_t sz) {
case TPL_TYPE_UINT64:
case TPL_TYPE_INT16:
case TPL_TYPE_UINT16:
case TPL_TYPE_PTR:
dv = tpl_cpv(dv,c->data,tpl_types[c->type].sz * c->num);
break;
case TPL_TYPE_BIN:
@ -1581,6 +1587,7 @@ static void tpl_free_atyp(tpl_node *n, tpl_atyp *atyp) {
case TPL_TYPE_UINT64:
case TPL_TYPE_INT16:
case TPL_TYPE_UINT16:
case TPL_TYPE_PTR:
dv = (void*)((uintptr_t)dv + tpl_types[c->type].sz*c->num);
break;
case TPL_TYPE_BIN:
@ -1659,6 +1666,7 @@ static int tpl_serlen(tpl_node *r, tpl_node *n, void *dv, size_t *serlen) {
case TPL_TYPE_UINT64:
case TPL_TYPE_INT16:
case TPL_TYPE_UINT16:
case TPL_TYPE_PTR:
for(fidx=0; fidx < c->num; fidx++) { /* octothorpe support */
if ((uintptr_t)dv + tpl_types[c->type].sz > buf_past) return -1;
dv = (void*)((uintptr_t)dv + tpl_types[c->type].sz);
@ -1811,6 +1819,7 @@ TPL_API int tpl_pack(tpl_node *r, int i) {
case TPL_TYPE_UINT64:
case TPL_TYPE_INT16:
case TPL_TYPE_UINT16:
case TPL_TYPE_PTR:
/* no need to use fidx iteration here; we can copy multiple values in one memcpy */
memcpy(child->data,child->addr,tpl_types[child->type].sz * child->num);
if (datav) datav = tpl_cpv(datav,child->data,tpl_types[child->type].sz * child->num);
@ -1989,6 +1998,7 @@ TPL_API int tpl_unpack(tpl_node *r, int i) {
case TPL_TYPE_UINT64:
case TPL_TYPE_INT16:
case TPL_TYPE_UINT16:
case TPL_TYPE_PTR:
/* unpack elements of cross-endian octothorpic array individually */
if (((tpl_root_data*)(r->data))->flags & TPL_XENDIAN) {
for(fidx=0; fidx < c->num; fidx++) {
@ -2101,6 +2111,7 @@ static int tpl_unpackA0(tpl_node *r) {
case TPL_TYPE_UINT64:
case TPL_TYPE_INT16:
case TPL_TYPE_UINT16:
case TPL_TYPE_PTR:
for(fidx=0;fidx < c->num; fidx++) {
dv = (void*)((uintptr_t)dv + tpl_types[c->type].sz);
}

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@ -1,5 +1,5 @@
/*
Copyright (c) 2005-2013, Troy D. Hanson http://troydhanson.github.com/tpl/
Copyright (c) 2005-2014, Troy D. Hanson http://troydhanson.github.io/tpl/
All rights reserved.
Redistribution and use in source and binary forms, with or without

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@ -36,7 +36,7 @@ PROGS = test1 test2 test3 test4 test5 test6 test7 test8 \
test97 test98 test99 test100 test101 test102 test103 test104 \
test105 test106 test107 test108 test109 test110 test111 test112 \
test113 test114 test115 test116 test117 test118 test119 test120 \
test121 test122 test123 test124 test125
test121 test122 test123 test124 test125 test126
TPLSRC = ../src
CFLAGS = -I$(TPLSRC) -g

3
tests/test126.ans Normal file
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@ -0,0 +1,3 @@
a
0x1
2

29
tests/test126.c Normal file
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@ -0,0 +1,29 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "tpl.h"
struct ms_t {
char c;
char *x;
int i;
};
int main() {
tpl_node *tn;
struct ms_t ms = {/*.c =*/ 'a', /*.x =*/ (char*)1, /*.i =*/ 2 };
struct ms_t ms2;
tn = tpl_map("S(cpi)", &ms);
tpl_pack(tn,0);
tpl_dump(tn,TPL_FILE,"/tmp/test126.tpl");
tpl_free(tn);
memset(&ms2,0,sizeof(struct ms_t));
tn = tpl_map("S(cpi)", &ms2);
tpl_load(tn,TPL_FILE,"/tmp/test126.tpl");
tpl_unpack(tn,0);
tpl_free(tn);
printf("%c\n%p\n%d\n", ms2.c, ms2.x, ms2.i);
return(0);
}