diff options
Diffstat (limited to 'ext/standard/string.c')
| -rw-r--r-- | ext/standard/string.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/ext/standard/string.c b/ext/standard/string.c index 133f817f17..2964d463ab 100644 --- a/ext/standard/string.c +++ b/ext/standard/string.c @@ -43,6 +43,50 @@ #include "zend_execute.h" #include "php_globals.h" +static char hexconvtab[] = "0123456789abcdef"; + +static char *php_bin2hex(const char *old, const size_t oldlen, size_t *newlen) +{ + char *new = NULL; + int i, j; + + new = (char *) emalloc(oldlen * 2 * sizeof(char)); + if(!new) { + return new; + } + + for(i = j = 0; i < oldlen; i++) { + new[j++] = hexconvtab[old[i] >> 4]; + new[j++] = hexconvtab[old[i] & 15]; + } + + if(newlen) *newlen = oldlen * 2 * sizeof(char); + + return new; +} + +/* proto bin2hex(string data) + converts the binary representation of data to hex */ +PHP_FUNCTION(bin2hex) +{ + pval *data; + char *new; + size_t newlen; + + if(ARG_COUNT(ht) != 1 || getParameters(ht, 1, &data) == FAILURE) { + WRONG_PARAM_COUNT; + } + + convert_to_string(data); + + new = php_bin2hex(data->value.str.val, data->value.str.len, &newlen); + + if(!new) { + RETURN_FALSE; + } + + RETURN_STRINGL(new, newlen, 0); +} /* {{{ proto int strlen(string str) Get string length */ |