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path: root/pjlib/include/pj/string_i.h
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/* $Header: /pjproject-0.3/pjlib/include/pj/string_i.h 8     10/14/05 12:26a Bennylp $ */

PJ_IDEF(pj_str_t) pj_str(char *str)
{
    pj_str_t dst;
    dst.ptr = str;
    dst.slen = str ? strlen(str) : 0;
    return dst;
}

PJ_IDEF(pj_str_t*) pj_strdup(pj_pool_t *pool,
			      pj_str_t *dst,
			      const pj_str_t *src)
{
    if (src->slen) {
	dst->ptr = (char*)pj_pool_alloc(pool, src->slen);
	pj_memcpy(dst->ptr, src->ptr, src->slen);
    }
    dst->slen = src->slen;
    return dst;
}

PJ_IDEF(pj_str_t*) pj_strdup_with_null( pj_pool_t *pool,
					pj_str_t *dst,
					const pj_str_t *src)
{
    if (src->slen) {
	dst->ptr = (char*)pj_pool_alloc(pool, src->slen+1);
	pj_memcpy(dst->ptr, src->ptr, src->slen);
    } else {
	dst->ptr = (char*)pj_pool_alloc(pool, 1);
    }
    dst->slen = src->slen;
    dst->ptr[dst->slen] = '\0';
    return dst;
}

PJ_IDEF(pj_str_t*) pj_strdup2(pj_pool_t *pool,
			      pj_str_t *dst,
			      const char *src)
{
    dst->slen = src ? strlen(src) : 0;
    if (dst->slen) {
	dst->ptr = (char*)pj_pool_alloc(pool, dst->slen);
	pj_memcpy(dst->ptr, src, dst->slen);
    } else {
	dst->ptr = NULL;
    }
    return dst;
}


PJ_IDEF(pj_str_t) pj_strdup3(pj_pool_t *pool, const char *src)
{
    pj_str_t temp;
    pj_strdup2(pool, &temp, src);
    return temp;
}

PJ_IDEF(pj_str_t*) pj_strassign( pj_str_t *dst, pj_str_t *src )
{
    dst->ptr = src->ptr;
    dst->slen = src->slen;
    return dst;
}

PJ_IDEF(pj_str_t*) pj_strcpy(pj_str_t *dst, const pj_str_t *src)
{
    dst->slen = src->slen;
    if (src->slen > 0)
	pj_memcpy(dst->ptr, src->ptr, src->slen);
    return dst;
}

PJ_IDEF(pj_str_t*) pj_strcpy2(pj_str_t *dst, const char *src)
{
    dst->slen = src ? strlen(src) : 0;
    if (dst->slen > 0)
	pj_memcpy(dst->ptr, src, dst->slen);
    return dst;
}

PJ_IDEF(int) pj_strcmp( const pj_str_t *str1, const pj_str_t *str2)
{
    pj_ssize_t diff;

    diff = str1->slen - str2->slen;
    if (diff) {
	return (int)diff;
    } else if (str1->ptr) {
	return strncmp(str1->ptr, str2->ptr, str1->slen);
    } else {
	return 0;
    }
}

PJ_IDEF(int) pj_strncmp( const pj_str_t *str1, const pj_str_t *str2, 
			 pj_size_t len)
{
    return (str1->ptr && str2->ptr) ? strncmp(str1->ptr, str2->ptr, len) :
	   (str1->ptr == str2->ptr ? 0 : 1);
}

PJ_IDEF(int) pj_strncmp2( const pj_str_t *str1, const char *str2, 
			  pj_size_t len)
{
    return (str1->ptr && str2) ? strncmp(str1->ptr, str2, len) :
	   (str1->ptr==str2 ? 0 : 1);
}

PJ_IDEF(int) pj_strcmp2( const pj_str_t *str1, const char *str2 )
{
    return pj_strncmp2( str1, str2, str1->slen);
}

PJ_IDEF(int) pj_stricmp( const pj_str_t *str1, const pj_str_t *str2)
{
    pj_ssize_t diff;

    diff = str1->slen - str2->slen;
    if (diff) {
	return (int)diff;
    } else {
	return strnicmp(str1->ptr, str2->ptr, str1->slen);
    }
}

PJ_IDEF(int) pj_stricmp2( const pj_str_t *str1, const char *str2)
{
    return (str1->ptr && str2) ? strnicmp(str1->ptr, str2, str1->slen) :
	   (str1->ptr==str2 ? 0 : 1);
}

PJ_IDEF(int) pj_strnicmp( const pj_str_t *str1, const pj_str_t *str2, 
			  pj_size_t len)
{
    return (str1->ptr && str2->ptr) ? strnicmp(str1->ptr, str2->ptr, len) :
	   (str1->ptr == str2->ptr ? 0 : 1);
}

PJ_IDEF(int) pj_strnicmp2( const pj_str_t *str1, const char *str2, 
			   pj_size_t len)
{
    return (str1->ptr && str2) ? strnicmp(str1->ptr, str2, len) :
	   (str1->ptr == str2 ? 0 : 1);
}

PJ_IDEF(void) pj_strcat(pj_str_t *dst, const pj_str_t *src)
{
    if (src->slen) {
	pj_memcpy(dst->ptr + dst->slen, src->ptr, src->slen);
	dst->slen += src->slen;
    }
}

PJ_IDEF(pj_str_t*) pj_strtrim( pj_str_t *str )
{
    pj_strltrim(str);
    pj_strrtrim(str);
    return str;
}