diff options
Diffstat (limited to 'ext/standard/versioning.c')
| -rw-r--r-- | ext/standard/versioning.c | 256 |
1 files changed, 0 insertions, 256 deletions
diff --git a/ext/standard/versioning.c b/ext/standard/versioning.c deleted file mode 100644 index 6a259dc035..0000000000 --- a/ext/standard/versioning.c +++ /dev/null @@ -1,256 +0,0 @@ -/* - +----------------------------------------------------------------------+ - | PHP Version 4 | - +----------------------------------------------------------------------+ - | Copyright (c) 1997-2003 The PHP Group | - +----------------------------------------------------------------------+ - | This source file is subject to version 3.0 of the PHP license, | - | that is bundled with this package in the file LICENSE, and is | - | available through the world-wide-web at the following url: | - | http://www.php.net/license/3_0.txt. | - | If you did not receive a copy of the PHP license and are unable to | - | obtain it through the world-wide-web, please send a note to | - | license@php.net so we can mail you a copy immediately. | - +----------------------------------------------------------------------+ - | Author: Stig Sæther Bakken <ssb@php.net> | - +----------------------------------------------------------------------+ - */ - -/* $Id$ */ - -#include <stdio.h> -#include <sys/types.h> -#include <ctype.h> -#include <stdlib.h> -#include <string.h> -#include "php.h" -#include "php_versioning.h" - -#define sign(n) ((n)<0?-1:((n)>0?1:0)) - -/* {{{ php_canonicalize_version() */ - -PHPAPI char * -php_canonicalize_version(const char *version) -{ - int len = strlen(version); - char *buf = emalloc(len * 2 + 1), *q, lp, lq; - const char *p; - - if (len == 0) { - *buf = '\0'; - return buf; - } - - p = version; - q = buf; - *q++ = lp = *p++; - lq = '\0'; - while (*p) { -/* s/[-_+]/./g; - * s/([^\d\.])([^\D\.])/$1.$2/g; - * s/([^\D\.])([^\d\.])/$1.$2/g; - */ -#define isdig(x) (isdigit(x)&&(x)!='.') -#define isndig(x) (!isdigit(x)&&(x)!='.') -#define isspecialver(x) ((x)=='-'||(x)=='_'||(x)=='+') - - lq = *(q - 1); - if (isspecialver(*p)) { - if (lq != '.') { - lq = *q++ = '.'; - } - } else if ((isndig(lp) && isdig(*p)) || (isdig(lp) && isndig(*p))) { - if (lq != '.') { - *q++ = '.'; - } - lq = *q++ = *p; - } else if (!isalnum(*p)) { - if (lq != '.') { - lq = *q++ = '.'; - } - } else { - lq = *q++ = *p; - } - lp = *p++; - } - *q++ = '\0'; - return buf; -} - -/* }}} */ -/* {{{ compare_special_version_forms() */ - -typedef struct { - const char *name; - int order; -} special_forms_t; - -static int -compare_special_version_forms(char *form1, char *form2) -{ - int found1 = -1, found2 = -1; - special_forms_t special_forms[10] = { - {"dev", 0}, - {"alpha", 1}, - {"a", 1}, - {"beta", 2}, - {"b", 2}, - {"RC", 3}, - {"#", 4}, - {"pl", 5}, - {"p", 5}, - {NULL, 0}, - }; - special_forms_t *pp; - - for (pp = special_forms; pp && pp->name; pp++) { - if (strncmp(form1, pp->name, strlen(pp->name)) == 0) { - found1 = pp->order; - break; - } - } - for (pp = special_forms; pp && pp->name; pp++) { - if (strncmp(form2, pp->name, strlen(pp->name)) == 0) { - found2 = pp->order; - break; - } - } - return sign(found1 - found2); -} - -/* }}} */ -/* {{{ php_version_compare() */ - -PHPAPI int -php_version_compare(const char *orig_ver1, const char *orig_ver2) -{ - char *ver1; - char *ver2; - char *p1, *p2, *n1, *n2; - long l1, l2; - int compare = 0; - - if (!*orig_ver1 || !*orig_ver2) { - if (!*orig_ver1 && !*orig_ver2) { - return 0; - } else { - return *orig_ver1 ? 1 : -1; - } - } - if (orig_ver1[0] == '#') { - ver1 = estrdup(orig_ver1); - } else { - ver1 = php_canonicalize_version(orig_ver1); - } - if (orig_ver2[0] == '#') { - ver2 = estrdup(orig_ver2); - } else { - ver2 = php_canonicalize_version(orig_ver2); - } - p1 = n1 = ver1; - p2 = n2 = ver2; - while (*p1 && *p2 && n1 && n2) { - if ((n1 = strchr(p1, '.')) != NULL) { - *n1 = '\0'; - } - if ((n2 = strchr(p2, '.')) != NULL) { - *n2 = '\0'; - } - if (isdigit(*p1) && isdigit(*p2)) { - /* compare element numerically */ - l1 = strtol(p1, NULL, 10); - l2 = strtol(p2, NULL, 10); - compare = sign(l1 - l2); - } else if (!isdigit(*p1) && !isdigit(*p2)) { - /* compare element names */ - compare = compare_special_version_forms(p1, p2); - } else { - /* mix of names and numbers */ - if (isdigit(*p1)) { - compare = compare_special_version_forms("#N#", p2); - } else { - compare = compare_special_version_forms(p1, "#N#"); - } - } - if (compare != 0) { - break; - } - if (n1 != NULL) { - p1 = n1 + 1; - } - if (n2 != NULL) { - p2 = n2 + 1; - } - } - if (compare == 0) { - if (n1 != NULL) { - if (isdigit(*p1)) { - compare = 1; - } else { - compare = php_version_compare(p1, "#N#"); - } - } else if (n2 != NULL) { - if (isdigit(*p2)) { - compare = -1; - } else { - compare = php_version_compare("#N#", p2); - } - } - } - efree(ver1); - efree(ver2); - return compare; -} - -/* }}} */ -/* {{{ do_version_compare() */ - -/* {{{ proto int version_compare(string ver1, string ver2 [, string oper]) - Compares two "PHP-standardized" version number strings */ - -PHP_FUNCTION(version_compare) -{ - char *v1, *v2, *op; - int v1_len, v2_len, op_len; - int compare, argc; - - argc = ZEND_NUM_ARGS(); - if (zend_parse_parameters(argc TSRMLS_CC, "ss|s", &v1, &v1_len, &v2, - &v2_len, &op, &op_len) == FAILURE) { - return; - } - compare = php_version_compare(v1, v2); - if (argc == 2) { - RETURN_LONG(compare); - } - if (!strncmp(op, "<", op_len) || !strncmp(op, "lt", op_len)) { - RETURN_BOOL(compare == -1); - } - if (!strncmp(op, "<=", op_len) || !strncmp(op, "le", op_len)) { - RETURN_BOOL(compare != 1); - } - if (!strncmp(op, ">", op_len) || !strncmp(op, "gt", op_len)) { - RETURN_BOOL(compare == 1); - } - if (!strncmp(op, ">=", op_len) || !strncmp(op, "ge", op_len)) { - RETURN_BOOL(compare != -1); - } - if (!strncmp(op, "==", op_len) || !strncmp(op, "=", op_len) || !strncmp(op, "eq", op_len)) { - RETURN_BOOL(compare == 0); - } - if (!strncmp(op, "!=", op_len) || !strncmp(op, "<>", op_len) || !strncmp(op, "ne", op_len)) { - RETURN_BOOL(compare != 0); - } - RETURN_NULL(); -} - -/* }}} */ - -/* - * Local variables: - * tab-width: 4 - * c-basic-offset: 4 - * indent-tabs-mode: t - * End: - */ |