1 files changed, 60 insertions, 0 deletions
diff --git a/httpd/h2o_utils.c b/httpd/h2o_utils.c
new file mode 100644
index 000000000..943216f59
--- /dev/null
+++ b/httpd/h2o_utils.c
@@ -0,0 +1,60 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "h2o_utils.h"
+
+#include "h2o/string_.h"
+
+#include "libnetdata/libnetdata.h"
+
+char *iovec_to_cstr(h2o_iovec_t *str)
+{
+    char *c_str = mallocz(str->len + 1);
+    memcpy(c_str, str->base, str->len);
+    c_str[str->len] = 0;
+    return c_str;
+}
+
+#define KEY_VAL_BUFFER_GROWTH_STEP 5
+h2o_iovec_pair_vector_t *parse_URL_params(h2o_mem_pool_t *pool, h2o_iovec_t params_string)
+{
+    h2o_iovec_pair_vector_t *params_vec = h2o_mem_alloc_shared(pool, sizeof(h2o_iovec_pair_vector_t), NULL);
+    memset(params_vec, 0, sizeof(h2o_iovec_pair_vector_t));
+
+    h2o_iovec_pair_t param;
+    while ((param.name.base = (char*)h2o_next_token(&params_string, '&', &param.name.len, &param.value)) != NULL) {
+        if (params_vec->capacity == params_vec->size)
+            h2o_vector_reserve(pool, params_vec, params_vec->capacity + KEY_VAL_BUFFER_GROWTH_STEP);
+
+            params_vec->entries[params_vec->size++] = param;
+    }
+
+    return params_vec;
+}
+
+h2o_iovec_pair_t *get_URL_param_by_name(h2o_iovec_pair_vector_t *params_vec, const void *needle, size_t needle_len)
+{
+    for (size_t i = 0; i < params_vec->size; i++) {
+        h2o_iovec_pair_t *ret = &params_vec->entries[i];
+        if (h2o_memis(ret->name.base, ret->name.len, needle, needle_len))
+            return ret;
+    }
+    return NULL;
+}
+
+char *url_unescape(const char *url)
+{
+    char *result = mallocz(strlen(url) + 1);
+
+    int i, j;
+    for (i = 0, j = 0; url[i] != 0; i++, j++) {
+        if (url[i] == '%' && isxdigit(url[i+1]) && isxdigit(url[i+2])) {
+            char hex[3] = { url[i+1], url[i+2], 0 };
+            result[j] = strtol(hex, NULL, 16);
+            i += 2;
+        } else
+            result[j] = url[i];
+    }
+    result[j] = 0;
+
+    return result;
+}