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/*
* AUTHOR
* N. Nielsen
*
* LICENSE
* This software is in the public domain.
*
* The software is provided "as is", without warranty of any kind,
* express or implied, including but not limited to the warranties
* of merchantability, fitness for a particular purpose, and
* noninfringement. In no event shall the author(s) be liable for any
* claim, damages, or other liability, whether in an action of
* contract, tort, or otherwise, arising from, out of, or in connection
* with the software or the use or other dealings in the software.
*
* SUPPORT
* Send bug reports to: <nielsen@memberwebs.com>
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "compat.h"
#include "xstring.h"
/* memins: -------------------------------------------------------------
* Insert bytes at location
*/
void memins(void* buff, size_t cbuff, const void* ins, size_t cins)
{
memmove((unsigned char*)buff + cins, buff, cbuff);
memcpy(buff, ins, cins);
}
/* memrep: ------------------------------------------------------------
* Replace a number of bytes at a certain location with yet
* another number of bytes
*/
void* memrep(void* buff, size_t len, size_t cold, const void* ins, size_t cnew)
{
memmove((unsigned char*)buff + cnew, (unsigned char*)buff + cold, len - cold);
memcpy(buff, ins, cnew);
return (unsigned char*)buff + cnew;
}
/* starlen: -----------------------------------------------------------
* Returns the length of a null terminated string array
*/
size_t starlen(const char* array)
{
size_t cnt = 0;
while(array[0] || array[1])
{
array += strlen(array);
cnt++;
}
return cnt;
}
/* starend: -----------------------------------------------------------
* Gets the end of a string array
*/
char* starend(const char* array)
{
while(array[0])
array += strlen(array) + 1;
return (char*)array;
}
/* starnadd: ----------------------------------------------------------
* Add a value to a string array
*/
char* starnadd(char** parray, const char* str, size_t len)
{
char* last = starend(*parray);
if(!strrsrv(*parray, (last - *parray) + len + 2))
return NULL;
// It's possible we were relocated
last = starend(*parray);
strncpy(last, str, len);
last += len;
last[0] = last[1] = 0;
return last;
}
/* starnext: ----------------------------------------------------------
* Get the next value in a string array
*/
const char* starnext(const char* prev)
{
prev += strlen(prev) + 1;
return prev[0] ? prev : NULL;
}
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