Update Changelog.md

IF/ELSEIF/ELSE/ENDIF and FOREACH/ENDFOREACH can now be nested in each
other in HTML templates.

TODO: Cleanup/refactorings, properly set up "files_map".

.forgejo/workflows/build_releases.yaml

@@ -172,6 +172,8 @@ jobs:
             cmake -S . -B buildRelease -DCMAKE_BUILD_TYPE=Release
             make -C buildRelease c_simple_http
 
+            strip --strip-unneeded buildRelease/c_simple_http
+
             popd >&/dev/null
             zstd --ultra -20 c_simple_http_clone/buildRelease/c_simple_http -o "${BUILD_ASSET_NAME}"
 
@@ -233,6 +235,8 @@ jobs:
             cmake -S . -B buildRelease -DCMAKE_BUILD_TYPE=Release
             make -C buildRelease c_simple_http
 
+            strip --strip-unneeded buildRelease/c_simple_http
+
             popd >&/dev/null
             zstd --ultra -20 c_simple_http_clone/buildRelease/c_simple_http -o "${BUILD_ASSET_NAME}"
 

CMakeLists.txt

@@ -13,6 +13,7 @@ set(c_simple_http_SOURCES
   "${CMAKE_CURRENT_SOURCE_DIR}/src/helpers.c"
   "${CMAKE_CURRENT_SOURCE_DIR}/src/html_cache.c"
   "${CMAKE_CURRENT_SOURCE_DIR}/src/static.c"
+  "${CMAKE_CURRENT_SOURCE_DIR}/src/generate.c"
   "${CMAKE_CURRENT_SOURCE_DIR}/third_party/SimpleArchiver/src/helpers.c"
   "${CMAKE_CURRENT_SOURCE_DIR}/third_party/SimpleArchiver/src/data_structures/linked_list.c"
   "${CMAKE_CURRENT_SOURCE_DIR}/third_party/SimpleArchiver/src/data_structures/hash_map.c"

Changelog.md

@@ -2,6 +2,67 @@
 
 ## Upcoming Changes
 
+## Version 1.4
+
+Implemented "IF", "ELSEIF", "ELSE", "ENDIF", and "INDEX" for templates.
+
+IF is used like: `{{{!IF Variable==SomeString}}}`.  
+Not equals can also be used: `{{{!IF Variable!=OtherString}}}`.  
+ELSEIF is used like: `{{{!ELSEIF Variable==AnotherString}}}`.  
+Not equals can also be used: `{{{!ELSEIF Variable!=AnotherOtherString}}}`.  
+ELSE is used like: `{{{!ELSE}}}`.  
+ENDIF is used like: `{{{!ENDIF}}}`.  
+INDEX is used like: `{{{!INDEX ArrayVar[2]}}}`.
+
+Implemented "FOREACH" and "ENDFOREACH" for templates.
+
+FOREACH is used like:
+
+    PATH=/
+    HTML='''
+        {{{!FOREACH ArrayVar}}}
+            {{{ArrayVar}}}
+        {{{!ENDFOREACH}}}'''
+    ArrayVar=FirstValue
+    ArrayVar=SecondValue
+    ArrayVar=ThirdValue
+
+For multiple variables to expand in FOREACH:
+
+    PATH=/
+    HTML='''
+        {{{!FOREACH ArrayVar!ArrayVarSecond!ArrayVarThird}}}
+            {{{ArrayVar}}}
+            {{{ArrayVarSecond}}}
+            {{{ArrayVarThird}}}
+        {{{!ENDFOREACH}}}'''
+    ArrayVar=FirstVarOnce
+    ArrayVar=FirstVarTwice
+    ArrayVarSecond=SecondVarOnce
+    ArrayVarSecond=SecondVarTwice
+    ArrayVarThird=ThirdVarOnce
+    ArrayVarThird=ThirdVarTwice
+
+Implemented nestable "IF" and "FOREACH" expressions in templates. In other
+words, there can be `{{{!IF}}}` inside other IF/FOREACH blocks, and vice versa.
+
+## Version 1.3
+
+Fix internal erronous buffer declaration.
+
+Fix internal missing NULL check.
+
+## Version 1.2
+
+Add the `--generate-dir=<DIR>` option, which will generate all html into the
+given directory. This requires `--config=<CONFIG_FILE>`.
+`--generate-enable-overwrite` is required to overwrite existing files when using
+`--generate-dir=<DIR>`.
+
+If `--enable-static-dir=<DIR>` is also specified with generate, then the files
+in the given directory will be copied into the directory specified with
+`--generate-dir=<DIR>`.
+
 ## Version 1.1
 
 Some refactoring of code handling parsing the config file.

Makefile

@@ -44,7 +44,8 @@ HEADERS = \
 	src/http_template.h \
 	src/helpers.h \
 	src/html_cache.h \
-	src/static.h
+	src/static.h \
+	src/generate.h
 
 SOURCES = \
 		src/main.c \
@@ -59,6 +60,7 @@ SOURCES = \
 		src/helpers.c \
 		src/html_cache.c \
 		src/static.c \
+		src/generate.c \
 		third_party/SimpleArchiver/src/helpers.c \
 		third_party/SimpleArchiver/src/data_structures/linked_list.c \
 		third_party/SimpleArchiver/src/data_structures/hash_map.c \

README.md

@@ -15,6 +15,8 @@ A simple HTTP/1.1 server written in C.
       --enable-cache-dir=<DIR>
       --cache-entry-lifetime-seconds=<SECONDS>
       --enable-static-dir=<DIR>
+      --generate-dir=<DIR>
+      --generate-enable-overwrite
 
 ## Changelog
 

example_config/each_file_one.html

@@ -0,0 +1 @@
+<b>Each File ONE</b><br>

example_config/each_file_two.html

@@ -0,0 +1 @@
+<b>Each File TWO</b><br>

example_config/each_file_zero.html

@@ -0,0 +1 @@
+<b>Each File ZERO</b><br>

example_config/example.config

@@ -1,6 +1,6 @@
 PATH=/
 HTML='''
-  <html>
+<html>
   <head>
   <style>
     body {
@@ -24,14 +24,131 @@ HTML='''
   }
   </style>
   </head>
-  <body>
+<body>
-  <h1>Test HTML</h1><br>
+<h2>Test IF/FOREACH Expr</h2>
-  <h2>{{{Var}}}</h2>
+
-  <h3><a href="/inner">To inner.</a></h3>
+Outer IF<br>
-  </body>
+<pre>
+{{{!IF ThisValue==true}}}
+  ThisValue is <b>true</b>.<br>
+  {{{!FOREACH ArrayValue}}}
+    {{{!IF ThisOtherValue==true}}}
+      {{{ArrayValue}}}<br>
+      ThisOtherValue is <b>true</b>.<br>
+      {{{Var}}}<br>
+    {{{!ELSE}}}
+      {{{ArrayValue}}}<br>
+      ThisOtherValue is <b>NOT true</b>.<br>
+      {{{Var}}}<br>
+    {{{!ENDIF}}}
+  {{{!ENDFOREACH}}}
+{{{!ELSE}}}
+  ThisValue is <b>NOT true</b>.<br>
+  {{{!FOREACH ArrayValueSecond}}}
+    {{{!IF ThisOtherValue==true}}}
+      {{{ArrayValueSecond}}}<br>
+      ThisOtherValue is <b>true</b>.<br>
+      {{{Var}}}<br>
+    {{{!ELSE}}}
+      {{{ArrayValueSecond}}}<br>
+      ThisOtherValue is <b>NOT true</b>.<br>
+      {{{Var}}}<br>
+    {{{!ENDIF}}}
+  {{{!ENDFOREACH}}}
+{{{!ENDIF}}}
+</pre><br>
+
+Outer FOREACH<br>
+<pre>
+{{{!FOREACH ArrayValue}}}
+  {{{ArrayValue}}}<br>
+  {{{!IF ThisValue==true}}}
+    ThisValue is <b>true</b>.<br>
+    {{{!FOREACH ArrayValueSecond}}}
+      {{{ArrayValueSecond}}}<br>
+      {{{!IF ThisOtherValue==true}}}
+        ThisOtherValue is <b>true</b>.<br>
+        {{{Var}}}<br>
+      {{{!ELSE}}}
+        ThisOtherValue is <b>NOT true</b>.<br>
+        {{{Var}}}<br>
+      {{{!ENDIF}}}
+    {{{!ENDFOREACH}}}
+  {{{!ELSE}}}
+    ThisValue is <b>NOT true</b>.<br>
+    {{{!FOREACH ArrayValueSecond}}}
+      {{{ArrayValueSecond}}}<br>
+      {{{!IF ThisOtherValue==true}}}
+        ThisOtherValue is <b>true</b>.<br>
+        {{{Var}}}<br>
+      {{{!ELSE}}}
+        ThisOtherValue is <b>NOT true</b>.<br>
+        {{{Var}}}<br>
+      {{{!ENDIF}}}
+    {{{!ENDFOREACH}}}
+  {{{!ENDIF}}}
+{{{!ENDFOREACH}}}
+</pre><br>
+
+Nested FOREACH:<br>
+<pre>
+{{{!FOREACH ArrayValue}}}
+  {{{ArrayValue}}}
+  {{{!FOREACH ArrayValueSecond}}}
+    {{{ArrayValueSecond}}}
+    {{{!FOREACH ArrayValueThird}}}
+      {{{ArrayValueThird}}}
+      {{{!FOREACH ArrayValueFourth}}}
+        {{{ArrayValueFourth}}}
+        {{{!FOREACH Each_FILE}}}
+          {{{Each_FILE}}}
+        {{{!ENDFOREACH}}}
+      {{{!ENDFOREACH}}}
+    {{{!ENDFOREACH}}}
+  {{{!ENDFOREACH}}}
+{{{!ENDFOREACH}}}
+</pre>
+
+<br><h2><a href="/inner">inner</a></h2>
+</body>
+</html>
 '''
 
 Var='''Test var value'''
+ThisValue=true
+ThisOtherValue=true
+
+ArrayValue=1_IDX_Zero
+ArrayValue=1_IDX_One
+ArrayValue=1_IDX_Two
+
+ArrayValueSecond=2_IDX_Zero
+ArrayValueSecond=2_IDX_One
+ArrayValueSecond=2_IDX_Two
+
+ArrayValueThird=3_IDX_Zero
+ArrayValueThird=3_IDX_One
+ArrayValueThird=3_IDX_Two
+
+ArrayValueFourth=4_IDX_Zero
+ArrayValueFourth=4_IDX_One
+ArrayValueFourth=4_IDX_Two
+
+EachTestHead='''First Entry Head'''
+EachTestMid='''First Entry Mid'''
+EachTestTail='''First Entry Tail'''
+
+EachTestHead='''Second Entry Head'''
+EachTestMid='''Second Entry Mid'''
+EachTestTail='''Second Entry Tail'''
+
+EachTestHead='''Third Entry Head'''
+EachTestMid='''Third Entry Mid'''
+EachTestTail='''Third Entry Tail'''
+
+Each_FILE='''example_config/each_file_zero.html'''
+Each_FILE='''example_config/each_file_one.html'''
+Each_FILE='''example_config/each_file_two.html'''
 
 PATH=/inner
 HTML_FILE='''example_config/inner.html'''

src/arg_parse.c

@@ -44,6 +44,8 @@ void print_usage(void) {
   puts("  --enable-cache-dir=<DIR>");
   puts("  --cache-entry-lifetime-seconds=<SECONDS>");
   puts("  --enable-static-dir=<DIR>");
+  puts("  --generate-dir=<DIR>");
+  puts("  --generate-enable-overwrite");
 }
 
 Args parse_args(int32_t argc, char **argv) {
@@ -152,6 +154,41 @@ Args parse_args(int32_t argc, char **argv) {
         printf("Directory \"%s\" exists.\n", args.static_dir);
       }
       closedir(d);
+    } else if (strncmp(argv[0], "--generate-dir=", 15) == 0) {
+      args.generate_dir = argv[0] + 15;
+      // Check if it actually is an existing directory.
+      DIR *d = opendir(args.generate_dir);
+      if (d == NULL) {
+        if (errno == ENOENT) {
+          printf(
+            "Directory \"%s\" doesn't exist, creating it...\n",
+            args.generate_dir);
+          int ret = mkdir(
+              args.generate_dir,
+              S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH);
+          if (ret == -1) {
+            fprintf(
+              stderr,
+              "ERROR Failed to create new directory (errno %d)\n",
+              errno);
+            exit(1);
+          }
+        } else {
+          fprintf(
+            stderr,
+            "ERROR Failed to open directory \"%s\" (errno %d)!\n",
+            args.generate_dir,
+            errno);
+          exit(1);
+        }
+      } else {
+        printf("Directory \"%s\" exists.\n", args.generate_dir);
+      }
+      if (d) {
+        closedir(d);
+      }
+    } else if (strcmp(argv[0], "--generate-enable-overwrite") == 0) {
+      args.flags |= 4;
     } else {
       fprintf(stderr, "ERROR: Invalid args!\n");
       print_usage();

src/arg_parse.h

@@ -28,6 +28,7 @@ typedef struct Args {
   // xxxx xxx1 - disable peer addr print.
   // xxxx xx0x - disable listen on config file for reloading.
   // xxxx xx1x - enable listen on config file for reloading.
+  // xxxx x1xx - enable overwrite on generate.
   uint16_t flags;
   uint16_t port;
   // Does not need to be free'd, this should point to a string in argv.
@@ -41,6 +42,9 @@ typedef struct Args {
   // Non-NULL if static-dir is specified and files in the dir are to be served.
   // Does not need to be free'd since it points to a string in argv.
   const char *static_dir;
+  // Non-NULL if generate-dir is specified.
+  // Does not need to be free'd since it points to a string in argv.
+  const char *generate_dir;
 } Args;
 
 void print_usage(void);

src/config.c

@@ -36,6 +36,23 @@ typedef struct C_SIMPLE_HTTP_INTERNAL_RequiredCheck {
   const SDArchiverLinkedList *required;
 } C_SIMPLE_HTTP_INTERNAL_RequiredCheck;
 
+void c_simple_http_cleanup_config_value(
+    C_SIMPLE_HTTP_ConfigValue *config_value) {
+  if (config_value) {
+    if (config_value->next) {
+      c_simple_http_cleanup_config_value(config_value->next);
+    }
+    if(config_value->value) {
+      free(config_value->value);
+    }
+    free(config_value);
+  }
+}
+
+void c_simple_http_cleanup_config_value_void_ptr(void *config_value) {
+  c_simple_http_cleanup_config_value(config_value);
+}
+
 int c_simple_http_required_iter_fn(void *data, void *ud) {
   C_SIMPLE_HTTP_INTERNAL_RequiredIter *req_iter_struct = ud;
   uint32_t data_str_length = (uint32_t)strlen(data) + 1;
@@ -126,7 +143,6 @@ void internal_double_quote_decrement(uint_fast8_t *double_quote_count,
 /// Returns non-zero if config should be returned.
 int internal_check_add_value(uint32_t *state,
                              char **key_buf,
-                             uint32_t *key_capacity,
                              uint32_t *key_idx,
                              char **value_buf,
                              uint32_t *value_capacity,
@@ -188,21 +204,26 @@ int internal_check_add_value(uint32_t *state,
     SDArchiverHashMap *hash_map = simple_archiver_hash_map_init();
     unsigned char *key = malloc(separating_key_size);
     strncpy((char*)key, separating_key, separating_key_size);
-    unsigned char *value = malloc(*value_idx);
+    C_SIMPLE_HTTP_ConfigValue *config_value =
-    memcpy(value, *value_buf, (*value_idx));
+      malloc(sizeof(C_SIMPLE_HTTP_ConfigValue));
-    if (simple_archiver_hash_map_insert(hash_map,
+    config_value->value = malloc(*value_idx);
-                                        value,
+    config_value->next = NULL;
-                                        key,
+    memcpy(config_value->value, *value_buf, (*value_idx));
-                                        separating_key_size,
+    if (simple_archiver_hash_map_insert(
-                                        NULL,
+        hash_map,
-                                        NULL) != 0) {
+        config_value,
+        key,
+        separating_key_size,
+        c_simple_http_cleanup_config_value_void_ptr,
+        NULL) != 0) {
       fprintf(stderr,
         "ERROR: Failed to create hash map for new separating_key "
         "block!\n");
       c_simple_http_clean_up_parsed_config(config);
       config->hash_map = NULL;
       free(key);
-      free(value);
+      free(config_value->value);
+      free(config_value);
       return 1;
     }
 
@@ -213,7 +234,7 @@ int internal_check_add_value(uint32_t *state,
     if (simple_archiver_hash_map_insert(
         config->hash_map,
         wrapper,
-        value,
+        config_value->value,
         (*value_idx),
         c_simple_http_hash_map_wrapper_cleanup_hashmap_fn,
         simple_archiver_helper_datastructure_cleanup_nop) != 0) {
@@ -224,7 +245,7 @@ int internal_check_add_value(uint32_t *state,
       c_simple_http_hash_map_wrapper_cleanup(wrapper);
       return 1;
     }
-    simple_archiver_list_add(paths, value,
+    simple_archiver_list_add(paths, config_value->value,
         simple_archiver_helper_datastructure_cleanup_nop);
   } else if (!(*current_separating_key_value)) {
     fprintf(
@@ -255,20 +276,37 @@ int internal_check_add_value(uint32_t *state,
     unsigned char *value = malloc(*value_idx);
     memcpy(value, *value_buf, (*value_idx));
 
-    if (simple_archiver_hash_map_insert(hash_map_wrapper->paths,
+    // Check if key already exists in wrapped hash-map.
-                                        value,
+    C_SIMPLE_HTTP_ConfigValue *config_value =
-                                        key,
+      simple_archiver_hash_map_get(hash_map_wrapper->paths, key, *key_idx);
-                                        *key_idx,
+    if (config_value) {
-                                        NULL,
+      while(config_value->next) {
-                                        NULL) != 0) {
+        config_value = config_value->next;
-      fprintf(stderr,
+      }
-        "ERROR: Internal error failed to insert into hash map with path "
+      config_value->next = malloc(sizeof(C_SIMPLE_HTTP_ConfigValue));
-        "\"%s\"!", (*current_separating_key_value));
+      config_value->next->value = (char*)value;
-      c_simple_http_clean_up_parsed_config(config);
+      config_value->next->next = NULL;
-      config->hash_map = NULL;
       free(key);
-      free(value);
+    } else {
-      return 1;
+      config_value = malloc(sizeof(C_SIMPLE_HTTP_ConfigValue));
+      config_value->value = (char*)value;
+      config_value->next = NULL;
+      if (simple_archiver_hash_map_insert(
+          hash_map_wrapper->paths,
+          config_value,
+          key,
+          *key_idx,
+          c_simple_http_cleanup_config_value_void_ptr,
+          NULL) != 0) {
+        fprintf(stderr,
+          "ERROR: Internal error failed to insert into hash map with path "
+          "\"%s\"!", (*current_separating_key_value));
+        c_simple_http_clean_up_parsed_config(config);
+        config->hash_map = NULL;
+        free(key);
+        free(value);
+        return 1;
+      }
     }
   }
   (*key_idx) = 0;
@@ -496,7 +534,6 @@ C_SIMPLE_HTTP_ParsedConfig c_simple_http_parse_config(
       } else {
         if (internal_check_add_value(&state,
                                      &key_buf,
-                                     &key_capacity,
                                      &key_idx,
                                      &value_buf,
                                      &value_capacity,
@@ -520,7 +557,6 @@ C_SIMPLE_HTTP_ParsedConfig c_simple_http_parse_config(
 
     if (internal_check_add_value(&state,
                                  &key_buf,
-                                 &key_capacity,
                                  &key_idx,
                                  &value_buf,
                                  &value_capacity,

src/config.h

@@ -25,6 +25,14 @@ typedef struct C_SIMPLE_HTTP_ParsedConfig {
   /// Each entry in this data structure is a hash map where its value for the
   /// key "PATH" is the path it represents. The "key" value should match the
   /// mentioned value for "PATH".
+  ///
+  /// An example mapping for this structure (based on current example config):
+  /// KEY: "/", VALUE: HashMapWrapper struct
+  /// KEY: "/inner", VALUE: HashMapWrapper struct
+  /// KEY: "/inner/further", VALUE: HashMapWrapper struct
+  ///
+  /// Each HashMapWrapper struct's hash-map has the following:
+  /// KEY: VAR_NAME, VALUE: ConfigValue struct
   union {
     SDArchiverHashMap *paths;
     SDArchiverHashMap *hash_map;
@@ -33,6 +41,15 @@ typedef struct C_SIMPLE_HTTP_ParsedConfig {
 
 typedef C_SIMPLE_HTTP_ParsedConfig C_SIMPLE_HTTP_HashMapWrapper;
 
+typedef struct C_SIMPLE_HTTP_ConfigValue {
+  char *value;
+  struct C_SIMPLE_HTTP_ConfigValue *next;
+} C_SIMPLE_HTTP_ConfigValue;
+
+void c_simple_http_cleanup_config_value(
+  C_SIMPLE_HTTP_ConfigValue *config_value);
+void c_simple_http_cleanup_config_value_void_ptr(void *config_value);
+
 /// Each line in the config should be a key-value pair separated by an equals
 /// sign "=". All whitespace is ignored unless if the value is "quoted". A part
 /// of a string can be "quoted" if it is surrounded by three single-quotes or

src/generate.c

@@ -0,0 +1,175 @@
+// ISC License
+// 
+// Copyright (c) 2024 Stephen Seo
+// 
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted, provided that the above
+// copyright notice and this permission notice appear in all copies.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+// PERFORMANCE OF THIS SOFTWARE.
+
+#include "generate.h"
+
+// Standard library includes.
+#include <string.h>
+
+// Linux/Unix includes.
+#include <libgen.h>
+#include <sys/types.h>
+#include <dirent.h>
+#include <errno.h>
+#include <unistd.h>
+
+// Local includes.
+#include "helpers.h"
+#include "http_template.h"
+
+// Third party includes.
+#include <SimpleArchiver/src/helpers.h>
+#include <SimpleArchiver/src/data_structures/hash_map.h>
+#include <SimpleArchiver/src/data_structures/linked_list.h>
+
+int c_simple_http_generate_paths_fn(const void *key,
+                                    size_t key_size,
+                                    __attribute__((unused)) const void *value,
+                                    void *ud) {
+  const char *path = key;
+  const ConnectionContext *ctx = ud;
+  const char *generate_dir = ctx->args->generate_dir;
+
+  const unsigned long path_len = key_size - 1;
+  const unsigned long generate_dir_len = strlen(generate_dir);
+
+  __attribute__((cleanup(simple_archiver_list_free)))
+  SDArchiverLinkedList *string_parts = simple_archiver_list_init();
+
+  // Add generate_dir as first path of paths to join.
+  c_simple_http_add_string_part(string_parts, generate_dir, 0);
+
+  // Ensure next character after generate_dir contains a '/' if generate_dir
+  // didn't contain one at the end.
+  if (generate_dir_len > 0 && generate_dir[generate_dir_len - 1] != '/') {
+    c_simple_http_add_string_part(string_parts, "/", 0);
+  }
+
+  // Append the path.
+  if (strcmp(path, "/") != 0) {
+    // Is not root.
+    uint32_t idx = 0;
+    while (idx <= path_len && path[idx] == '/') {
+      ++idx;
+    }
+    c_simple_http_add_string_part(string_parts, path + idx, 0);
+  }
+
+  // Add the final '/'.
+  if (path_len > 0 && path[path_len - 1] != '/') {
+    c_simple_http_add_string_part(string_parts, "/", 0);
+  }
+
+  // Add the ending "index.html".
+  c_simple_http_add_string_part(string_parts, "index.html", 0);
+
+  // Get the combined string.
+  __attribute__((cleanup(simple_archiver_helper_cleanup_c_string)))
+  char *generated_path = c_simple_http_combine_string_parts(string_parts);
+  if (!generated_path) {
+    fprintf(stderr, "ERROR Failed to get generated path (path: %s)!\n", path);
+    return 1;
+  }
+
+  if ((ctx->args->flags & 4) == 0) {
+    // Overwrite not enabled, check if file already exists.
+    FILE *fd = fopen(generated_path, "rb");
+    if (fd) {
+      fclose(fd);
+      fprintf(
+        stderr,
+        "WARNING Path \"%s\" exists and \"--generate-enable-overwrite\" not "
+          "specified, skipping!\n",
+        generated_path);
+      return 0;
+    }
+  }
+
+  // Ensure the required dirs exist.
+  __attribute__((cleanup(simple_archiver_helper_cleanup_c_string)))
+  char *generated_path_dup = strdup(generated_path);
+
+  uint_fast8_t did_make_generated_path_dir = 0;
+  char *generated_path_dir = dirname(generated_path_dup);
+  if (generated_path_dir) {
+    DIR *fd = opendir(generated_path_dir);
+    if (!fd) {
+      if (errno == ENOENT) {
+        c_simple_http_helper_mkdir_tree(generated_path_dir);
+        did_make_generated_path_dir = 1;
+      } else {
+        fprintf(stderr,
+                "ERROR opendir on path dirname failed unexpectedly (path: %s)!"
+                  "\n",
+                path);
+        return 1;
+      }
+    } else {
+      // Directory already exists.
+      closedir(fd);
+    }
+  } else {
+    fprintf(stderr,
+            "ERROR Failed to get dirname of generated path dir (path: %s)"
+              "!\n",
+            path);
+    return 1;
+  }
+
+  // Generate the html.
+  size_t html_buf_size = 0;
+  __attribute__((cleanup(simple_archiver_helper_cleanup_c_string)))
+  char *html_buf = c_simple_http_path_to_generated(path,
+                                                   ctx->parsed,
+                                                   &html_buf_size,
+                                                   NULL);
+  if (!html_buf || html_buf_size == 0) {
+    fprintf(stderr,
+            "WARNING Failed to generate html for generate (path: %s), "
+              "skipping!\n",
+            path);
+    if (did_make_generated_path_dir) {
+      if (rmdir(generated_path_dir) == -1) {
+        fprintf(stderr,
+                "WARNING rmdir on generated_path_dir failed, errno: %d\n",
+                errno);
+      }
+    }
+    return 0;
+  }
+
+  // Save the html.
+  FILE *fd = fopen(generated_path, "wb");
+  if (!fd) {
+    fprintf(stderr,
+            "WARNING Failed to open \"%s\" for writing, skipping!\n",
+            generated_path);
+    return 0;
+  }
+  unsigned long fwrite_ret = fwrite(html_buf, 1, html_buf_size, fd);
+  if (fwrite_ret < html_buf_size) {
+    fclose(fd);
+    unlink(generated_path);
+    fprintf(stderr,
+            "ERROR Unable to write entirely to \"%s\"!\n",
+            generated_path);
+    return 1;
+  } else {
+    fclose(fd);
+  }
+
+  return 0;
+}

src/generate.h

@@ -0,0 +1,30 @@
+// ISC License
+// 
+// Copyright (c) 2024 Stephen Seo
+// 
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted, provided that the above
+// copyright notice and this permission notice appear in all copies.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+// PERFORMANCE OF THIS SOFTWARE.
+
+#ifndef SEODISPARATE_COM_C_SIMPLE_HTTP_GENERATE_H_
+#define SEODISPARATE_COM_C_SIMPLE_HTTP_GENERATE_H_
+
+#include <stdlib.h>
+
+/// See this function's usage in main.c.
+int c_simple_http_generate_paths_fn(const void *key,
+                                    size_t key_size,
+                                    const void *value,
+                                    void *ud);
+
+#endif
+
+// vim: et ts=2 sts=2 sw=2

src/helpers.c

@@ -17,6 +17,7 @@
 #include "helpers.h"
 
 // Standard library includes.
+#include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
 #include <stdio.h>
@@ -24,7 +25,6 @@
 // libc includes.
 #include <sys/stat.h>
 #include <sys/types.h>
-#include <dirent.h>
 #include <errno.h>
 #include <libgen.h>
 
@@ -32,7 +32,9 @@ int c_simple_http_internal_get_string_part_full_size(void *data, void *ud) {
   C_SIMPLE_HTTP_String_Part *part = data;
   size_t *count = ud;
 
-  *count += part->size - 1;
+  if (part->size > 0) {
+    *count += part->size - 1;
+  }
 
   return 0;
 }
@@ -87,9 +89,36 @@ void c_simple_http_add_string_part(
   C_SIMPLE_HTTP_String_Part *string_part =
     malloc(sizeof(C_SIMPLE_HTTP_String_Part));
 
-  string_part->size = strlen(c_string) + 1;
+  if (c_string) {
-  string_part->buf = malloc(string_part->size);
+    string_part->size = strlen(c_string) + 1;
-  memcpy(string_part->buf, c_string, string_part->size);
+    string_part->buf = malloc(string_part->size);
+    memcpy(string_part->buf, c_string, string_part->size);
+  } else {
+    string_part->size = 0;
+    string_part->buf = NULL;
+  }
+
+  string_part->extra = extra;
+  simple_archiver_list_add(
+    list, string_part, c_simple_http_cleanup_string_part);
+}
+
+void c_simple_http_add_string_part_sized(
+    SDArchiverLinkedList *list,
+    const char *buffer,
+    size_t size,
+    uintptr_t extra) {
+  C_SIMPLE_HTTP_String_Part *string_part =
+    malloc(sizeof(C_SIMPLE_HTTP_String_Part));
+
+  if (buffer && size > 0) {
+    string_part->size = size;
+    string_part->buf = malloc(string_part->size - 1);
+    memcpy(string_part->buf, buffer, string_part->size - 1);
+  } else {
+    string_part->size = 0;
+    string_part->buf = NULL;
+  }
 
   string_part->extra = extra;
 
@@ -258,4 +287,73 @@ int c_simple_http_helper_mkdir_tree(const char *path) {
   }
 }
 
+void c_simple_http_cleanup_DIR(DIR **fd) {
+  if (fd && *fd) {
+    closedir(*fd);
+    *fd = NULL;
+  }
+}
+
+char *c_simple_http_FILE_to_c_str(const char *filename, uint64_t *size_out) {
+  FILE *fd = fopen(filename, "rb");
+  if (!fd) {
+    fprintf(stderr, "ERROR Failed to open %s!\n", filename);
+    return NULL;
+  } else if (fseek(fd, 0, SEEK_END) != 0) {
+    fprintf(stderr, "ERROR Failed to seek to end of %s!\n", filename);
+    fclose(fd);
+    return NULL;
+  }
+
+  long size = ftell(fd);
+  if (size < 0) {
+    fprintf(stderr, "ERROR Failed to get seek pos of end of %s!\n", filename);
+    fclose(fd);
+    return NULL;
+  } else if (size == 0) {
+    fprintf(stderr, "ERROR Size of file \"%s\" is zero!\n", filename);
+    fclose(fd);
+    return NULL;
+  }
+  if (size_out) {
+    *size_out = (uint64_t)size;
+  }
+  char *buf = malloc((uint64_t)size + 1);
+  if (fseek(fd, 0, SEEK_SET) != 0) {
+    fprintf(stderr, "ERROR Failed to seek to beginning of %s!\n", filename);
+    free(buf);
+    fclose(fd);
+    return NULL;
+  } else if (fread(buf, 1, (uint64_t)size, fd) != (uint64_t)size) {
+    fprintf(stderr, "ERROR Failed to read from file %s!\n", filename);
+    free(buf);
+    fclose(fd);
+    return NULL;
+  }
+
+  buf[size] = 0;
+
+  fclose(fd);
+  return buf;
+}
+
+size_t c_simple_http_trim_end_whitespace(char *c_str) {
+  size_t trimmed = 0;
+
+  uint64_t idx= strlen(c_str);
+  for (; idx-- > 0;) {
+    if (c_str[idx] == ' '
+        || c_str[idx] == '\n'
+        || c_str[idx] == '\r'
+        || c_str[idx] == '\t') {
+      c_str[idx] = 0;
+      ++trimmed;
+    } else {
+      break;
+    }
+  }
+
+  return trimmed;
+}
+
 // vim: et ts=2 sts=2 sw=2

src/helpers.h

@@ -21,9 +21,24 @@
 #include <stddef.h>
 #include <stdint.h>
 
+// libc includes.
+#include <time.h>
+#include <dirent.h>
+
+// Local includes.
+#include "config.h"
+#include "arg_parse.h"
+
 // Third-party includes.
 #include <SimpleArchiver/src/data_structures/linked_list.h>
 
+typedef struct ConnectionContext {
+  char *buf;
+  const Args *args;
+  C_SIMPLE_HTTP_ParsedConfig *parsed;
+  struct timespec current_time;
+} ConnectionContext;
+
 typedef struct C_SIMPLE_HTTP_String_Part {
   char *buf;
   size_t size;
@@ -41,6 +56,16 @@ void c_simple_http_cleanup_string_part(void *data);
 void c_simple_http_add_string_part(
   SDArchiverLinkedList *list, const char *c_string, uintptr_t extra);
 
+/// Puts a malloced instance of String_Part into the list.
+/// The given c_string will be copied into a newly malloced buffer.
+/// "size" must include NULL if "buffer" is a c_string.
+/// If there is no NULL at the end, "size" must be +1 actual size.
+void c_simple_http_add_string_part_sized(
+  SDArchiverLinkedList *list,
+  const char *buffer,
+  size_t size,
+  uintptr_t extra);
+
 /// Combines all String_Parts in the list and returns it as a single buffer.
 char *c_simple_http_combine_string_parts(const SDArchiverLinkedList *list);
 
@@ -63,6 +88,15 @@ char *c_simple_http_helper_unescape_uri(const char *uri);
 /// Other return values are errors.
 int c_simple_http_helper_mkdir_tree(const char *dirpath);
 
+void c_simple_http_cleanup_DIR(DIR **fd);
+
+/// Must be free'd if non-NULL.
+char *c_simple_http_FILE_to_c_str(const char *filename, uint64_t *size_out);
+
+/// Trims by placing NULL bytes in place of whitespace at the end of c_str.
+/// Returns number of whitespace trimmed.
+size_t c_simple_http_trim_end_whitespace(char *c_str);
+
 #endif
 
 // vim: et ts=2 sts=2 sw=2

src/html_cache.c

@@ -38,8 +38,12 @@
 #include "helpers.h"
 #include "http_template.h"
 
-int c_simple_http_internal_write_filenames_to_cache_file(void *data, void *ud) {
+int c_simple_http_internal_write_filenames_to_cache_file(
-  char *filename = data;
+    const void *key,
+    __attribute__((unused)) size_t key_size,
+    __attribute__((unused)) const void *value,
+    void *ud) {
+  const char *filename = key;
   FILE *cache_fd = ud;
 
   const size_t filename_size = strlen(filename);
@@ -436,8 +440,8 @@ CACHE_FILE_WRITE_CHECK:
       return -5;
     }
 
-    __attribute__((cleanup(simple_archiver_list_free)))
+    __attribute__((cleanup(simple_archiver_hash_map_free)))
-    SDArchiverLinkedList *used_filenames = NULL;
+    SDArchiverHashMap *used_filenames = NULL;
 
     size_t generated_html_size = 0;
 
@@ -452,10 +456,10 @@ CACHE_FILE_WRITE_CHECK:
       return -4;
     }
 
-    if (simple_archiver_list_get(
+    if (simple_archiver_hash_map_iter(
-        used_filenames,
+          used_filenames,
-        c_simple_http_internal_write_filenames_to_cache_file,
+          c_simple_http_internal_write_filenames_to_cache_file,
-        cache_fd)) {
+          cache_fd) != 0) {
       fprintf(stderr, "ERROR Failed to write filenames to cache file!\n");
       return -6;
     } else if (fwrite("--- BEGIN HTML ---\n", 1, 19, cache_fd) != 19) {

src/http_template.h

@@ -17,13 +17,16 @@
 #ifndef SEODISPARATE_COM_C_SIMPLE_HTTP_HTTP_TEMPLATE_H_
 #define SEODISPARATE_COM_C_SIMPLE_HTTP_HTTP_TEMPLATE_H_
 
-#include "http.h"
 
 // Standard library includes.
 #include <stddef.h>
 
 // Third-party includes.
 #include <SimpleArchiver/src/data_structures/linked_list.h>
+#include <SimpleArchiver/src/data_structures/hash_map.h>
+
+// Local includes.
+#include "http.h"
 
 // Returns non-NULL on success, which must be free'd after use. Takes a path
 // string and templates and returns the generated HTML. If "output_buf_size" is
@@ -35,7 +38,7 @@ char *c_simple_http_path_to_generated(
   const char *path,
   const C_SIMPLE_HTTP_HTTPTemplates *templates,
   size_t *output_buf_size,
-  SDArchiverLinkedList **files_list_out);
+  SDArchiverHashMap **files_set_out);
 
 #endif
 

src/main.c

@@ -33,13 +33,17 @@
 
 // Third party includes.
 #include <SimpleArchiver/src/helpers.h>
+#include <SimpleArchiver/src/data_structures/hash_map.h>
+#include <SimpleArchiver/src/data_structures/linked_list.h>
 
 // Local includes.
 #include "arg_parse.h"
 #include "big_endian.h"
 #include "config.h"
+#include "http_template.h"
 #include "tcp_socket.h"
 #include "signal_handling.h"
+#include "generate.h"
 #include "globals.h"
 #include "constants.h"
 #include "http.h"
@@ -74,13 +78,6 @@ typedef struct ConnectionItem {
   struct in6_addr peer_addr;
 } ConnectionItem;
 
-typedef struct ConnectionContext {
-  char *buf;
-  const Args *args;
-  C_SIMPLE_HTTP_ParsedConfig *parsed;
-  struct timespec current_time;
-} ConnectionContext;
-
 void c_simple_http_cleanup_connection_item(void *data) {
   ConnectionItem *citem = data;
   if (citem) {
@@ -348,6 +345,34 @@ int main(int argc, char **argv) {
     return 5;
   }
 
+  // If generate-dir is specified, the program must stop after generating or
+  // failure.
+  if (args.generate_dir) {
+    ConnectionContext ctx;
+    ctx.args = &args;
+    ctx.parsed = &parsed_config;
+    printf("Generating html files to \"%s\"...\n", args.generate_dir);
+    if (simple_archiver_hash_map_iter(parsed_config.paths,
+                                      c_simple_http_generate_paths_fn,
+                                      &ctx)) {
+      fprintf(stderr, "ERROR during generating!\n");
+      return 1;
+    }
+    puts("Finished generating.");
+    if (args.static_dir) {
+      puts("Static dir option specified, copying over static dir entries...");
+      if (c_simple_http_static_copy_over_dir(args.static_dir,
+                                             args.generate_dir,
+                                             (args.flags & 4) != 0 ? 1 : 0)
+          != 0) {
+        fprintf(stderr, "ERROR during static-dir-entires copying!\n");
+        return 1;
+      }
+      puts("Finished copying over static-dir files.");
+    }
+    return 0;
+  }
+
   __attribute__((cleanup(cleanup_tcp_socket))) int tcp_socket =
     create_tcp_socket(args.port);
   if (tcp_socket == -1) {

src/static.c

@@ -31,10 +31,17 @@
 #include <unistd.h>
 #include <errno.h>
 #include <unistd.h>
+#include <sys/types.h>
+#include <dirent.h>
+#include <libgen.h>
 
 // Third party includes.
+#include "SimpleArchiver/src/data_structures/linked_list.h"
 #include "SimpleArchiver/src/helpers.h"
 
+// Local includes.
+#include "helpers.h"
+
 char **environ;
 
 void internal_fd_cleanup_helper(int *fd) {
@@ -180,7 +187,9 @@ C_SIMPLE_HTTP_StaticFileInfo c_simple_http_get_file(
 
   if (fd == NULL) {
     fprintf(
-      stderr, "WARNING Failed to open path \"%s\" in static dir!\n", path + idx);
+      stderr,
+      "WARNING Failed to open path \"%s\" in static dir!\n",
+      path + idx);
     file_info.result = STATIC_FILE_RESULT_404NotFound;
     return file_info;
   }
@@ -331,4 +340,161 @@ int c_simple_http_static_validate_path(const char *path) {
   return 0;
 }
 
+int c_simple_http_static_copy_over_dir(const char *from,
+                                       const char *to,
+                                       uint_fast8_t overwrite_enabled) {
+  __attribute__((cleanup(c_simple_http_cleanup_DIR)))
+  DIR *from_fd = opendir(from);
+  if (!from_fd) {
+    fprintf(stderr, "ERROR Failed to open directory \"%s\"!\n", from);
+    return 1;
+  }
+
+  const unsigned long from_len = strlen(from);
+  const unsigned long to_len = strlen(to);
+
+  struct dirent *dir_entry = NULL;
+  do {
+    dir_entry = readdir(from_fd);
+    if (!dir_entry) {
+      break;
+    } else if (strcmp(dir_entry->d_name, ".") == 0
+        || strcmp(dir_entry->d_name, "..") == 0) {
+      continue;
+    } else if (dir_entry->d_type == DT_DIR) {
+      // Dir entry is a directory.
+      __attribute__((cleanup(simple_archiver_list_free)))
+      SDArchiverLinkedList *string_parts = simple_archiver_list_init();
+      c_simple_http_add_string_part(string_parts, from, 0);
+      if (from_len > 0 && from[from_len - 1] != '/') {
+        c_simple_http_add_string_part(string_parts, "/", 0);
+      }
+      c_simple_http_add_string_part(string_parts, dir_entry->d_name, 0);
+
+      __attribute__((cleanup(simple_archiver_helper_cleanup_c_string)))
+      char *combined_from = c_simple_http_combine_string_parts(string_parts);
+
+      simple_archiver_list_free(&string_parts);
+      string_parts = simple_archiver_list_init();
+      c_simple_http_add_string_part(string_parts, to, 0);
+      if (to_len > 0 && to[to_len - 1] != '/') {
+        c_simple_http_add_string_part(string_parts, "/", 0);
+      }
+      c_simple_http_add_string_part(string_parts, dir_entry->d_name, 0);
+
+      __attribute__((cleanup(simple_archiver_helper_cleanup_c_string)))
+      char *combined_to = c_simple_http_combine_string_parts(string_parts);
+
+      int ret = c_simple_http_static_copy_over_dir(combined_from,
+                                                   combined_to,
+                                                   overwrite_enabled);
+      if (ret != 0) {
+        return ret;
+      }
+    } else if (dir_entry->d_type == DT_REG) {
+      // Dir entry is a file.
+      __attribute__((cleanup(simple_archiver_list_free)))
+      SDArchiverLinkedList *string_parts = simple_archiver_list_init();
+      c_simple_http_add_string_part(string_parts, from, 0);
+      if (from_len > 0 && from[from_len - 1] != '/') {
+        c_simple_http_add_string_part(string_parts, "/", 0);
+      }
+      c_simple_http_add_string_part(string_parts, dir_entry->d_name, 0);
+
+      __attribute__((cleanup(simple_archiver_helper_cleanup_c_string)))
+      char *combined_from = c_simple_http_combine_string_parts(string_parts);
+
+      simple_archiver_list_free(&string_parts);
+      string_parts = simple_archiver_list_init();
+      c_simple_http_add_string_part(string_parts, to, 0);
+      if (to_len > 0 && to[to_len - 1] != '/') {
+        c_simple_http_add_string_part(string_parts, "/", 0);
+      }
+      c_simple_http_add_string_part(string_parts, dir_entry->d_name, 0);
+
+      __attribute__((cleanup(simple_archiver_helper_cleanup_c_string)))
+      char *combined_to = c_simple_http_combine_string_parts(string_parts);
+
+      if (!overwrite_enabled) {
+        __attribute__((cleanup(simple_archiver_helper_cleanup_FILE)))
+        FILE *fd = fopen(combined_to, "rb");
+        if (fd) {
+          fprintf(
+            stderr,
+            "WARNING \"%s\" already exists and --generate-enable-overwrite not "
+              "specified, skipping!\n",
+            combined_to);
+          continue;
+        }
+      }
+
+      __attribute__((cleanup(simple_archiver_helper_cleanup_c_string)))
+      char *combined_to_dup = strdup(combined_to);
+      char *combined_to_dirname = dirname(combined_to_dup);
+
+      int ret = c_simple_http_helper_mkdir_tree(combined_to_dirname);
+      if (ret != 0 && ret != 1) {
+        fprintf(stderr,
+                "ERROR Failed to create directory \"%s\"!\n",
+                combined_to_dirname);
+        return 1;
+      }
+
+      __attribute__((cleanup(simple_archiver_helper_cleanup_FILE)))
+      FILE *from_file_fd = fopen(combined_from, "rb");
+      if (!from_file_fd) {
+        fprintf(stderr,
+                "ERROR Failed to open file \"%s\" for reading!\n",
+                combined_from);
+        return 1;
+      }
+
+      __attribute__((cleanup(simple_archiver_helper_cleanup_FILE)))
+      FILE *to_file_fd = fopen(combined_to, "wb");
+      if (!to_file_fd) {
+        fprintf(stderr,
+                "ERROR Failed to open file \"%s\" for writing!\n",
+                combined_to);
+        return 1;
+      }
+
+      char buf[1024];
+      size_t fread_ret;
+      unsigned long fwrite_ret;
+      while (!feof(from_file_fd)
+          && !ferror(from_file_fd)
+          && !ferror(to_file_fd)) {
+        fread_ret = fread(buf, 1, 1024, from_file_fd);
+        if (fread_ret > 0) {
+          fwrite_ret = fwrite(buf, 1, fread_ret, to_file_fd);
+          if (fwrite_ret < fread_ret) {
+            fprintf(
+              stderr,
+              "ERROR Writing to file \"%s\" (not all bytes written)!\n",
+              combined_to);
+            return 1;
+          }
+        }
+      }
+
+      if (ferror(from_file_fd)) {
+        fprintf(stderr, "ERROR Reading from file \"%s\"!\n", combined_from);
+        return 1;
+      } else if (ferror(to_file_fd)) {
+        fprintf(stderr, "ERROR Writing to file \"%s\"!\n", combined_to);
+        return 1;
+      }
+
+      printf("%s -> %s\n", combined_from, combined_to);
+    } else {
+      fprintf(stderr,
+              "WARNING Non-dir and non-file \"%s/%s\", skipping...\n",
+              from,
+              dir_entry->d_name);
+    }
+  } while (dir_entry != NULL);
+
+  return 0;
+}
+
 // vim: et ts=2 sts=2 sw=2

src/static.h

@@ -51,6 +51,11 @@ C_SIMPLE_HTTP_StaticFileInfo c_simple_http_get_file(
 /// Returns zero if OK.
 int c_simple_http_static_validate_path(const char *path);
 
+/// Copies all files in "from" into "to". Returns non-zero on failure.
+int c_simple_http_static_copy_over_dir(const char *from,
+                                       const char *to,
+                                       uint_fast8_t overwrite_enabled);
+
 #endif
 
 // vim: et ts=2 sts=2 sw=2

src/test.c

@@ -99,9 +99,13 @@ void test_internal_cleanup_delete_temporary_file(const char **filename) {
   }
 }
 
-int test_internal_check_matching_string_in_list(void *value, void *ud) {
+int test_internal_check_matching_string_in_list(
-  if (value && ud) {
+    const void *key,
-    if (strcmp(value, ud) == 0) {
+    __attribute__((unused)) size_t key_size,
+    __attribute__((unused)) const void *value,
+    void *ud) {
+  if (key && ud) {
+    if (strcmp(key, ud) == 0) {
       return 1;
     }
   }
@@ -173,46 +177,53 @@ int main(int argc, char **argv) {
       simple_archiver_hash_map_get(templates.paths, "/", 2);
     ASSERT_TRUE(first_path_map_wrapper);
 
-    const char *value =
+    C_SIMPLE_HTTP_ConfigValue *value =
       simple_archiver_hash_map_get(first_path_map_wrapper->paths, "PATH", 5);
     ASSERT_TRUE(value);
-    ASSERT_STREQ(value, "/");
+    ASSERT_TRUE(value->value);
+    ASSERT_STREQ(value->value, "/");
 
     value =
       simple_archiver_hash_map_get(first_path_map_wrapper->paths, "HTML", 5);
     ASSERT_TRUE(value);
+    ASSERT_TRUE(value->value);
     // printf("%s\n", value);
-    ASSERT_STREQ(value, " one two three ");
+    ASSERT_STREQ(value->value, " one two three ");
 
     value =
       simple_archiver_hash_map_get(first_path_map_wrapper->paths, "TEST", 5);
     ASSERT_TRUE(value);
+    ASSERT_TRUE(value->value);
     // printf("%s\n", value);
-    ASSERT_STREQ(value, " \"one two \"three ");
+    ASSERT_STREQ(value->value, " \"one two \"three ");
 
     value =
       simple_archiver_hash_map_get(first_path_map_wrapper->paths, "TEST2", 6);
     ASSERT_TRUE(value);
+    ASSERT_TRUE(value->value);
     // printf("%s\n", value);
-    ASSERT_STREQ(value, "'\"onetwo\"three''");
+    ASSERT_STREQ(value->value, "'\"onetwo\"three''");
 
     value =
       simple_archiver_hash_map_get(first_path_map_wrapper->paths, "TEST3", 6);
     ASSERT_TRUE(value);
+    ASSERT_TRUE(value->value);
     // printf("%s\n", value);
-    ASSERT_STREQ(value, " \"one two \"three ''");
+    ASSERT_STREQ(value->value, " \"one two \"three ''");
 
     value =
       simple_archiver_hash_map_get(first_path_map_wrapper->paths, "TEST4", 6);
     ASSERT_TRUE(value);
+    ASSERT_TRUE(value->value);
     // printf("%s\n", value);
-    ASSERT_STREQ(value, " \"\"\"one two \"\"\"three ");
+    ASSERT_STREQ(value->value, " \"\"\"one two \"\"\"three ");
 
     value =
       simple_archiver_hash_map_get(first_path_map_wrapper->paths, "TEST5", 6);
     ASSERT_TRUE(value);
+    ASSERT_TRUE(value->value);
     // printf("%s\n", value);
-    ASSERT_STREQ(value, " '''one two '''three ");
+    ASSERT_STREQ(value->value, " '''one two '''three ");
 
     simple_archiver_list_free(&required_names);
     required_names = simple_archiver_list_init();
@@ -271,18 +282,18 @@ int main(int argc, char **argv) {
 
     size_t output_buf_size;
 
-    __attribute__((cleanup(simple_archiver_list_free)))
+    __attribute__((cleanup(simple_archiver_hash_map_free)))
-    SDArchiverLinkedList *filenames_list = NULL;
+    SDArchiverHashMap *filenames_set = NULL;
 
     __attribute__((cleanup(simple_archiver_helper_cleanup_c_string)))
     char *buf = c_simple_http_path_to_generated(
-        "/", &config, &output_buf_size, &filenames_list);
+        "/", &config, &output_buf_size, &filenames_set);
     ASSERT_TRUE(buf != NULL);
     ASSERT_TRUE(strcmp(buf, "<h1>Test</h1>") == 0);
     CHECK_TRUE(output_buf_size == 13);
-    CHECK_TRUE(filenames_list->count == 0);
+    CHECK_TRUE(filenames_set->count == 0);
     simple_archiver_helper_cleanup_c_string(&buf);
-    simple_archiver_list_free(&filenames_list);
+    simple_archiver_hash_map_free(&filenames_set);
 
     __attribute__((cleanup(test_internal_cleanup_delete_temporary_file)))
     const char *test_http_template_filename2 =
@@ -314,7 +325,7 @@ int main(int argc, char **argv) {
     ASSERT_TRUE(config.paths != NULL);
 
     buf = c_simple_http_path_to_generated(
-        "/", &config, &output_buf_size, &filenames_list);
+        "/", &config, &output_buf_size, &filenames_set);
     ASSERT_TRUE(buf != NULL);
     //printf("%s\n", buf);
     ASSERT_TRUE(
@@ -323,9 +334,9 @@ int main(int argc, char **argv) {
         "<h1> Some text. </h1><br><h2> More text. </h2>")
       == 0);
     CHECK_TRUE(output_buf_size == 46);
-    CHECK_TRUE(filenames_list->count == 0);
+    CHECK_TRUE(filenames_set->count == 0);
     simple_archiver_helper_cleanup_c_string(&buf);
-    simple_archiver_list_free(&filenames_list);
+    simple_archiver_hash_map_free(&filenames_set);
 
     __attribute__((cleanup(test_internal_cleanup_delete_temporary_file)))
     const char *test_http_template_filename3 =
@@ -380,7 +391,7 @@ int main(int argc, char **argv) {
     ASSERT_TRUE(config.paths != NULL);
 
     buf = c_simple_http_path_to_generated(
-        "/", &config, &output_buf_size, &filenames_list);
+        "/", &config, &output_buf_size, &filenames_set);
     ASSERT_TRUE(buf != NULL);
     //printf("%s\n", buf);
     ASSERT_TRUE(
@@ -389,14 +400,14 @@ int main(int argc, char **argv) {
         "<h1> testVar text. </h1><br><h2> testVar2 text. </h2>")
       == 0);
     CHECK_TRUE(output_buf_size == 53);
-    CHECK_TRUE(filenames_list->count == 1);
+    CHECK_TRUE(filenames_set->count == 1);
-    CHECK_TRUE(simple_archiver_list_get(
+    CHECK_TRUE(simple_archiver_hash_map_iter(
-        filenames_list,
+        filenames_set,
         test_internal_check_matching_string_in_list,
         (void*)test_http_template_html_filename)
-      != NULL);
+      != 0);
     simple_archiver_helper_cleanup_c_string(&buf);
-    simple_archiver_list_free(&filenames_list);
+    simple_archiver_hash_map_free(&filenames_set);
 
     __attribute__((cleanup(test_internal_cleanup_delete_temporary_file)))
     const char *test_http_template_filename4 =
@@ -471,7 +482,7 @@ int main(int argc, char **argv) {
     ASSERT_TRUE(config.paths != NULL);
 
     buf = c_simple_http_path_to_generated(
-        "/", &config, &output_buf_size, &filenames_list);
+        "/", &config, &output_buf_size, &filenames_set);
     ASSERT_TRUE(buf != NULL);
     //printf("%s\n", buf);
     ASSERT_TRUE(
@@ -480,17 +491,17 @@ int main(int argc, char **argv) {
         "<h1> some test text in test var file. </h1>")
       == 0);
     CHECK_TRUE(output_buf_size == 43);
-    CHECK_TRUE(filenames_list->count == 2);
+    CHECK_TRUE(filenames_set->count == 2);
-    CHECK_TRUE(simple_archiver_list_get(
+    CHECK_TRUE(simple_archiver_hash_map_iter(
-        filenames_list,
+        filenames_set,
         test_internal_check_matching_string_in_list,
         (void*)test_http_template_html_filename2)
-      != NULL);
+      != 0);
-    CHECK_TRUE(simple_archiver_list_get(
+    CHECK_TRUE(simple_archiver_hash_map_iter(
-        filenames_list,
+        filenames_set,
         test_internal_check_matching_string_in_list,
         (void*)test_http_template_html_var_filename)
-      != NULL);
+      != 0);
     simple_archiver_helper_cleanup_c_string(&buf);
   }
 
@@ -613,6 +624,46 @@ int main(int argc, char **argv) {
     CHECK_TRUE(ret == 0);
     CHECK_TRUE(ret2 == 0);
     CHECK_TRUE(ret3 == 0);
+
+    buf = strdup("EndingWithThreeTabs\t\t\t");
+    CHECK_TRUE(c_simple_http_trim_end_whitespace(buf) == 3);
+    CHECK_TRUE(buf[18] == 's');
+    CHECK_TRUE(buf[19] == 0);
+    CHECK_TRUE(buf[20] == 0);
+    CHECK_TRUE(buf[21] == 0);
+    CHECK_TRUE(buf[22] == 0);
+    free(buf);
+    buf = NULL;
+
+    buf = strdup("EndingWithThreeSpaces   ");
+    CHECK_TRUE(c_simple_http_trim_end_whitespace(buf) == 3);
+    CHECK_TRUE(buf[20] == 's');
+    CHECK_TRUE(buf[21] == 0);
+    CHECK_TRUE(buf[22] == 0);
+    CHECK_TRUE(buf[23] == 0);
+    CHECK_TRUE(buf[24] == 0);
+    free(buf);
+    buf = NULL;
+
+    buf = strdup("EndingWithThreeNewlines\n\n\n");
+    CHECK_TRUE(c_simple_http_trim_end_whitespace(buf) == 3);
+    CHECK_TRUE(buf[22] == 's');
+    CHECK_TRUE(buf[23] == 0);
+    CHECK_TRUE(buf[24] == 0);
+    CHECK_TRUE(buf[25] == 0);
+    CHECK_TRUE(buf[26] == 0);
+    free(buf);
+    buf = NULL;
+
+    buf = strdup("EndingWithThreeCarraigeReturns\r\r\r");
+    CHECK_TRUE(c_simple_http_trim_end_whitespace(buf) == 3);
+    CHECK_TRUE(buf[29] == 's');
+    CHECK_TRUE(buf[30] == 0);
+    CHECK_TRUE(buf[31] == 0);
+    CHECK_TRUE(buf[32] == 0);
+    CHECK_TRUE(buf[33] == 0);
+    free(buf);
+    buf = NULL;
   }
 
   // Test html_cache.

third_party/SimpleArchiver

@@ -1 +1 @@
-Subproject commit b256350fbcf170ef3d70e9cf7c6dfa0618e47ef4
+Subproject commit ce7400a298a95b60d0d482058ed9eae4142f8061