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Moved header files into the include directory. Moved source files into the src directory. Still need to updated the makefiles and projects.

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skarg
2007-10-10 03:34:37 +00:00
parent c25265201d
commit a2506536ed
92 changed files with 34 additions and 87 deletions
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bacnet-stack/src/sbuf.c
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/*####COPYRIGHTBEGIN####
-------------------------------------------
Copyright (C) 2005 by Steve Karg
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to:
The Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307
USA.
As a special exception, if other files instantiate templates or
use macros or inline functions from this file, or you compile
this file and link it with other works to produce a work based
on this file, this file does not by itself cause the resulting
work to be covered by the GNU General Public License. However
the source code for this file must still be made available in
accordance with section (3) of the GNU General Public License.
This exception does not invalidate any other reasons why a work
based on this file might be covered by the GNU General Public
License.
-------------------------------------------
####COPYRIGHTEND####*/
/* Functional Description: Static buffer library for deeply
embedded system. See the unit tests for usage examples. */
#include <stdint.h>
#include <stdbool.h>
#include <stddef.h>
#include "sbuf.h"
void sbuf_init(STATIC_BUFFER * b, /* static buffer structure */
char *data, /* actual size, in bytes, of the data block or array of data */
unsigned size)
{ /* number of bytes used */
if (b) {
b->data = data;
b->size = size;
b->count = 0;
}
return;
}
/* returns true if count==0, false if count > 0 */
bool sbuf_empty(STATIC_BUFFER const *b)
{
return (b ? (b->count == 0) : false);
}
char *sbuf_data(STATIC_BUFFER const *b)
{
return (b ? b->data : NULL);
}
unsigned sbuf_size(STATIC_BUFFER * b)
{
return (b ? b->size : 0);
}
unsigned sbuf_count(STATIC_BUFFER * b)
{
return (b ? b->count : 0);
}
/* returns true if successful, false if not enough room to append data */
bool sbuf_put(STATIC_BUFFER * b, /* static buffer structure */
unsigned offset, /* where to start */
char *data, /* number of bytes used */
unsigned data_size)
{ /* how many to add */
bool status = false; /* return value */
if (b && b->data) {
if (((offset + data_size) < b->size)) {
b->count = offset + data_size;
while (data_size) {
b->data[offset] = *data;
offset++;
data++;
data_size--;
}
status = true;
}
}
return status;
}
/* returns true if successful, false if not enough room to append data */
bool sbuf_append(STATIC_BUFFER * b, /* static buffer structure */
char *data, /* number of bytes used */
unsigned data_size)
{ /* how many to add */
unsigned count = 0;
if (b)
count = b->count;
return sbuf_put(b, count, data, data_size);
}
/* returns true if successful, false if not enough room to append data */
bool sbuf_truncate(STATIC_BUFFER * b, /* static buffer structure */
unsigned count)
{ /* total number of bytes in use */
bool status = false; /* return value */
if (b) {
if (count < b->size) {
b->count = count;
status = true;
}
}
return status;
}
#ifdef TEST
#include <assert.h>
#include <string.h>
#include "ctest.h"
void testStaticBuffer(Test * pTest)
{
STATIC_BUFFER sbuffer;
char *data1 = "Joshua";
char *data2 = "Anna";
char *data3 = "Christopher";
char *data4 = "Mary";
char data_buffer[480] = "";
char test_data_buffer[480] = "";
char *data;
unsigned count;
sbuf_init(&sbuffer, NULL, 0);
ct_test(pTest, sbuf_empty(&sbuffer) == true);
ct_test(pTest, sbuf_data(&sbuffer) == NULL);
ct_test(pTest, sbuf_size(&sbuffer) == 0);
ct_test(pTest, sbuf_count(&sbuffer) == 0);
ct_test(pTest, sbuf_append(&sbuffer, data1, strlen(data1)) == false);
sbuf_init(&sbuffer, data_buffer, sizeof(data_buffer));
ct_test(pTest, sbuf_empty(&sbuffer) == true);
ct_test(pTest, sbuf_data(&sbuffer) == data_buffer);
ct_test(pTest, sbuf_size(&sbuffer) == sizeof(data_buffer));
ct_test(pTest, sbuf_count(&sbuffer) == 0);
ct_test(pTest, sbuf_append(&sbuffer, data1, strlen(data1)) == true);
ct_test(pTest, sbuf_append(&sbuffer, data2, strlen(data2)) == true);
ct_test(pTest, sbuf_append(&sbuffer, data3, strlen(data3)) == true);
ct_test(pTest, sbuf_append(&sbuffer, data4, strlen(data4)) == true);
strcat(test_data_buffer, data1);
strcat(test_data_buffer, data2);
strcat(test_data_buffer, data3);
strcat(test_data_buffer, data4);
ct_test(pTest, sbuf_count(&sbuffer) == strlen(test_data_buffer));
data = sbuf_data(&sbuffer);
count = sbuf_count(&sbuffer);
ct_test(pTest, memcmp(data, test_data_buffer, count) == 0);
ct_test(pTest, count == strlen(test_data_buffer));
ct_test(pTest, sbuf_truncate(&sbuffer, 0) == true);
ct_test(pTest, sbuf_count(&sbuffer) == 0);
ct_test(pTest, sbuf_size(&sbuffer) == sizeof(data_buffer));
ct_test(pTest, sbuf_append(&sbuffer, data4, strlen(data4)) == true);
data = sbuf_data(&sbuffer);
count = sbuf_count(&sbuffer);
ct_test(pTest, memcmp(data, data4, count) == 0);
ct_test(pTest, count == strlen(data4));
return;
}
#ifdef TEST_STATIC_BUFFER
int main(void)
{
Test *pTest;
bool rc;
pTest = ct_create("static buffer", NULL);
/* individual tests */
rc = ct_addTestFunction(pTest, testStaticBuffer);
assert(rc);
ct_setStream(pTest, stdout);
ct_run(pTest);
(void) ct_report(pTest);
ct_destroy(pTest);
return 0;
}
#endif /* TEST_STATIC_BUFFER */
#endif /* TEST */