feat: rename some structs

include/lnm/http/req.h

@@ -18,7 +18,7 @@
  * Internal representation of a header in a request, defined using offsets
  * relative to the full buffer.
  */
-typedef struct lnm_http_req_iheader {
+typedef struct lnm_http_req_ihdr {
   struct {
     size_t o;
     size_t len;
@@ -27,21 +27,7 @@ typedef struct lnm_http_req_iheader {
     size_t o;
     size_t len;
   } value;
-} lnm_http_req_iheader;
-
-/**
- * Represents an actual header value, with offsets already resolved.
- */
-typedef struct lnm_http_req_header {
-  struct {
-    const char *s;
-    size_t len;
-  } name;
-  struct {
-    const char *s;
-    size_t len;
-  } value;
-} lnm_http_req_header;
+} lnm_http_req_ihhr;
 
 /**
  * Represents the parsed HTTP request
@@ -64,7 +50,7 @@ typedef struct lnm_http_req {
     size_t len;
   } query;
   struct {
-    lnm_http_req_iheader arr[LNM_HTTP_MAX_REQ_HEADERS];
+    lnm_http_req_ihhr arr[LNM_HTTP_MAX_REQ_HEADERS];
     size_t len;
   } headers;
   struct {
@@ -99,6 +85,20 @@ lnm_http_parse_err lnm_http_req_parse(lnm_http_req *req, char *buf, size_t len);
  */
 void lnm_http_req_reset(lnm_http_req *req);
 
+/**
+ * Represents an actual header value, with offsets already resolved.
+ */
+typedef struct lnm_http_req_hdr {
+  struct {
+    const char *s;
+    size_t len;
+  } name;
+  struct {
+    const char *s;
+    size_t len;
+  } value;
+} lnm_http_req_hdr;
+
 /**
  * Retrieve a known type header from the request.
  *
@@ -109,7 +109,7 @@ void lnm_http_req_reset(lnm_http_req *req);
  * @param req request to look for header in
  * @param type type of header to look for
  */
-lnm_err lnm_http_req_header_get(lnm_http_req_header *out, lnm_http_req *req,
+lnm_err lnm_http_req_header_get(lnm_http_req_hdr *out, lnm_http_req *req,
                                 lnm_http_header type);
 
 /**
@@ -122,7 +122,7 @@ lnm_err lnm_http_req_header_get(lnm_http_req_header *out, lnm_http_req *req,
  * @param req request to look for header in
  * @param name name of the header; matches case-insensitive
  */
-lnm_err lnm_http_req_header_get_s(lnm_http_req_header *out, lnm_http_req *req,
+lnm_err lnm_http_req_header_get_s(lnm_http_req_hdr *out, lnm_http_req *req,
                                   const char *name);
 
 /**
@@ -135,4 +135,32 @@ lnm_err lnm_http_req_header_get_s(lnm_http_req_header *out, lnm_http_req *req,
 size_t lnm_http_req_route_segment(const char **out, lnm_http_req *req,
                                   const char *key);
 
+/**
+ * Represents a parameter in an HTTP header.
+ */
+typedef struct lnm_http_req_hdr_param {
+  struct {
+    const char *s;
+    size_t len;
+  } key;
+  struct {
+    const char *s;
+    size_t len;
+  } value;
+} lnm_http_req_hdr_param;
+
+/**
+ * Retrieve a specific key-value parameter from a header.
+ *
+ * Pointers retrieved from this function should never be used between step
+ * functions; simply request the header again if you need to.
+ *
+ * @param out output struct
+ * @param header header to look in
+ * @param key name of the parameter to return from the header
+ */
+lnm_err lnm_http_req_header_param(lnm_http_req_hdr_param *param,
+                                  const lnm_http_req_hdr *header,
+                                  const char *key);
+
 #endif

src/lnm/http/lnm_http_loop_process.c

@@ -79,7 +79,7 @@ void lnm_http_loop_process_parse_headers(lnm_http_conn *conn) {
   lnm_http_loop_ctx *ctx = conn->ctx;
   lnm_http_req *req = &ctx->req;
 
-  lnm_http_req_header header;
+  lnm_http_req_hdr header;
   if (lnm_http_req_header_get(&header, req, lnm_http_header_content_length) ==
       lnm_err_ok) {
     req->body.expected_len = lnm_atoi(header.value.s, header.value.len);

src/lnm/http/lnm_http_loop_steps.c

@@ -30,7 +30,7 @@ lnm_http_step_err lnm_http_loop_step_auth(lnm_http_conn *conn) {
   // If there's no API key, requests are always authorized
   bool authorized = ctx->g->api_key == NULL;
 
-  lnm_http_req_header header;
+  lnm_http_req_hdr header;
 
   if (!authorized && lnm_http_req_header_get_s(&header, &ctx->req,
                                                "X-Api-Key") == lnm_err_ok) {

src/lnm/http/lnm_http_req.c

@@ -88,17 +88,17 @@ void lnm_http_req_reset(lnm_http_req *req) {
   memset(req, 0, sizeof(lnm_http_req));
 }
 
-lnm_err lnm_http_req_header_get(lnm_http_req_header *out, lnm_http_req *req,
+lnm_err lnm_http_req_header_get(lnm_http_req_hdr *out, lnm_http_req *req,
                                 lnm_http_header type) {
   return lnm_http_req_header_get_s(out, req, lnm_http_header_names[type]);
 }
 
-lnm_err lnm_http_req_header_get_s(lnm_http_req_header *out, lnm_http_req *req,
+lnm_err lnm_http_req_header_get_s(lnm_http_req_hdr *out, lnm_http_req *req,
                                   const char *name) {
   size_t name_len = strlen(name);
 
   for (size_t i = 0; i < req->headers.len; i++) {
-    const lnm_http_req_iheader *header = &req->headers.arr[i];
+    const lnm_http_req_ihhr *header = &req->headers.arr[i];
 
     if (lnm_strnieq(req->buf.s + header->name.o, header->name.len, name,
                     name_len)) {