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Unicode support in uniqid().

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This commit is contained in:
Andrei Zmievski
2006-10-06 20:00:37 +00:00
parent d019da8692
commit 73ea9b8be5
1 changed files with 29 additions and 11 deletions
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40
ext/standard/uniqid.c
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@@ -38,23 +38,26 @@
#include "php_lcg.h"
#include "uniqid.h"
/* {{{ proto string uniqid([string prefix , bool more_entropy])
/* {{{ proto string uniqid([string prefix , bool more_entropy]) U
Generates a unique ID */
#ifdef HAVE_GETTIMEOFDAY
PHP_FUNCTION(uniqid)
{
char *prefix = "";
zstr prefix = EMPTY_ZSTR;
int prefix_len = 0;
zend_uchar str_type;
#if defined(__CYGWIN__)
zend_bool more_entropy = 1;
#else
zend_bool more_entropy = 0;
#endif
char *uniqid;
int sec, usec, prefix_len = 0;
UChar *u_uniqid;
int sec, usec;
struct timeval tv;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|sb", &prefix, &prefix_len,
&more_entropy)) {
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|tb", &prefix,
&prefix_len, &str_type, &more_entropy) == FAILURE) {
return;
}
@@ -75,13 +78,28 @@ PHP_FUNCTION(uniqid)
/* The max value usec can have is 0xF423F, so we use only five hex
* digits for usecs.
*/
if (more_entropy) {
spprintf(&uniqid, 0, "%s%08x%05x%.8f", prefix, sec, usec, php_combined_lcg(TSRMLS_C) * 10);
} else {
spprintf(&uniqid, 0, "%s%08x%05x", prefix, sec, usec);
}
if (str_type == IS_UNICODE) {
/* prefix + 8 (sec) + 5 (usec) + 10 (lcg) */
int buf_len = prefix_len + 8 + 5 + 10 + 1;
int written;
RETURN_RT_STRING(uniqid, ZSTR_AUTOFREE);
u_uniqid = eumalloc(buf_len + 1);
if (more_entropy) {
written = u_sprintf(u_uniqid, "%S%08x%05x%.8f", prefix.u, sec, usec, php_combined_lcg(TSRMLS_C) * 10);
} else {
written = u_sprintf(u_uniqid, "%S%08x%05x", prefix.u, sec, usec);
}
u_uniqid[written] = 0;
RETURN_UNICODEL(u_uniqid, written, 0);
} else {
if (more_entropy) {
spprintf(&uniqid, 0, "%s%08x%05x%.8f", prefix.s, sec, usec, php_combined_lcg(TSRMLS_C) * 10);
} else {
spprintf(&uniqid, 0, "%s%08x%05x", prefix.s, sec, usec);
}
RETURN_STRING(uniqid, 0);
}
}
#endif
/* }}} */