[irc/quakenet/newserv.git] / lib / sstring.c

/* sstring.h - Declaration of "static strings" functions */

#include "sstring.h"
#include "../core/nsmalloc.h"

#include <assert.h>
#include <string.h>

sstring *getsstring(const char *inputstr, int maxlen) {
  sstring *retval = NULL;
  int length;

  /* getsstring() on a NULL pointer returns a NULL sstring.. */
  if (inputstr == NULL)
    return NULL;

  length = strlen(inputstr) + 1;

  if (length > maxlen)
    length = maxlen + 1;

  assert(length <= SSTRING_MAX + 1);

  retval = nsmalloc(POOL_SSTRING, sizeof(sstring) + length);

  retval->length = length - 1;
  strncpy(retval->content, inputstr, length - 1);
  retval->content[length - 1] = '\0';

  return retval;
}

void freesstring(sstring *inval) {
  nsfree(POOL_SSTRING, inval);
}

int sstringcompare(sstring *ss1, sstring *ss2) {
  if (ss1->length != ss2->length)
    return -1;

  return strncmp(ss1->content, ss2->content, ss1->length);
}
Commit	Line	Data
6331db28 GB	1	/* sstring.h - Declaration of "static strings" functions */
	2
	3	#include "sstring.h"
	4	#include "../core/nsmalloc.h"
	5
	6	#include <assert.h>
	7	#include <string.h>
	8
	9	sstring getsstring(const char inputstr, int maxlen) {
	10	sstring *retval = NULL;
	11	int length;
	12
	13	/* getsstring() on a NULL pointer returns a NULL sstring.. */
	14	if (inputstr == NULL)
	15	return NULL;
	16
6331db28 GB	17	length = strlen(inputstr) + 1;
	18
	19	if (length > maxlen)
	20	length = maxlen + 1;
	21
	22	assert(length <= SSTRING_MAX + 1);
	23
	24	retval = nsmalloc(POOL_SSTRING, sizeof(sstring) + length);
	25
	26	retval->length = length - 1;
	27	strncpy(retval->content, inputstr, length - 1);
	28	retval->content[length - 1] = '\0';
	29
	30	return retval;
	31	}
	32
	33	void freesstring(sstring *inval) {
	34	nsfree(POOL_SSTRING, inval);
	35	}
	36
	37	int sstringcompare(sstring ss1, sstring ss2) {
	38	if (ss1->length != ss2->length)
	39	return -1;
	40
	41	return strncmp(ss1->content, ss2->content, ss1->length);
	42	}