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// 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(¶ms_string, '&', ¶m.name.len, ¶m.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 = ¶ms_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;
}
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