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authorRafael G. Martins <rafael@rafaelmartins.eng.br>2015-04-15 12:56:54 -0300
committerRafael G. Martins <rafael@rafaelmartins.eng.br>2015-04-15 12:56:54 -0300
commit0b694d89cefae8e8ca3422bbdbfbca4d5920ac4b (patch)
tree212c4d2ac7e269cc9f03f2240e36f865d4ce2493
parenta8e0fedb3f12ed1ceda7879944606c8e1e7d4a08 (diff)
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initial structure
-rw-r--r--.gitignore51
-rw-r--r--Makefile.am149
-rwxr-xr-xautogen.sh6
-rw-r--r--configure.ac107
-rw-r--r--m4/.keep0
-rw-r--r--src/main.c21
-rw-r--r--src/utils/slist.c64
-rw-r--r--src/utils/strings.c277
-rw-r--r--src/utils/trie.c193
-rw-r--r--src/utils/utils.h71
-rw-r--r--tests/check_utils.c790
11 files changed, 1721 insertions, 8 deletions
diff --git a/.gitignore b/.gitignore
index 053ff52..1d340aa 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,14 +1,49 @@
-# http://www.gnu.org/software/automake
+# Object files
+*.o
+*.ko
-Makefile.in
+# Libraries
+*.lib
+*.a
-# http://www.gnu.org/software/autoconf
+# Shared objects (inc. Windows DLLs)
+*.dll
+*.so
+*.so.*
+*.dylib
-/autom4te.cache
+# Executables
+*.exe
+*.out
+*.app
+
+# Autotools
+Makefile
+Makefile.in
+.deps
+.libs
+*.la
+*.lo
/aclocal.m4
-/compile
/configure
-/depcomp
-/install-sh
-/missing
+/config.*
+/autom4te.cache
+/libtool
/stamp-h1
+.dirstamp
+/build-aux/*
+
+# installed .m4 files
+/m4/*.m4
+
+# blogc
+/blogc
+
+# tests
+/tests/check_utils
+
+# leg generated source
+/src/template/parser-grammar.c
+
+# tarballs
+blogc-*.tar.*
diff --git a/Makefile.am b/Makefile.am
new file mode 100644
index 0000000..4e213e5
--- /dev/null
+++ b/Makefile.am
@@ -0,0 +1,149 @@
+## Autotools settings
+
+ACLOCAL_AMFLAGS = -I m4
+
+AM_DISTCHECK_CONFIGURE_FLAGS = \
+ --enable-examples \
+ --enable-cmocka \
+ --disable-leg \
+ --disable-valgrind
+
+
+## File listings
+
+EXTRA_DIST = \
+ autogen.sh \
+ README.md \
+ $(NULL)
+
+CLEANFILES = \
+ $(NULL)
+
+noinst_HEADERS = \
+ src/utils/utils.h \
+ $(NULL)
+
+noinst_LTLIBRARIES = \
+ libblogc.la \
+ $(NULL)
+
+noinst_PROGRAMS = \
+ $(NULL)
+
+bin_PROGRAMS = \
+ blogc \
+ $(NULL)
+
+check_PROGRAMS = \
+ $(NULL)
+
+
+libblogc_la_SOURCES = \
+ src/utils/slist.c \
+ src/utils/strings.c \
+ src/utils/trie.c \
+ $(NULL)
+
+libblogc_la_CFLAGS = \
+ $(AM_CFLAGS) \
+ -I$(top_srcdir)/src \
+ $(NULL)
+
+libblogc_la_LIBADD = \
+ $(NULL)
+
+if USE_LEG
+endif
+
+blogc_SOURCES = \
+ src/main.c \
+ $(NULL)
+
+blogc_CFLAGS = \
+ $(AM_CFLAGS) \
+ -I$(top_srcdir)/src \
+ $(NULL)
+
+blogc_LDADD = \
+ libblogc.la \
+ $(NULL)
+
+
+## Build rules: examples
+
+if BUILD_EXAMPLES
+
+noinst_PROGRAMS += \
+ $(NULL)
+
+endif
+
+
+## Build rules: tests
+
+if USE_CMOCKA
+
+check_PROGRAMS += \
+ tests/check_utils \
+ $(NULL)
+
+tests_check_utils_SOURCES = \
+ tests/check_utils.c \
+ $(NULL)
+
+tests_check_utils_CFLAGS = \
+ $(CMOCKA_CFLAGS) \
+ $(NULL)
+
+tests_check_utils_LDFLAGS = \
+ -no-install
+
+tests_check_utils_LDADD = \
+ $(CMOCKA_LIBS) \
+ libblogc.la \
+ $(NULL)
+
+endif
+
+TESTS = \
+ $(check_PROGRAMS)
+
+
+## Helpers: Valgrind runners
+
+if USE_VALGRIND
+valgrind: all
+ $(MAKE) check TESTS_ENVIRONMENT=" \
+ G_SLICE=always-malloc \
+ G_DEBUG=gc-friendly \
+ $(LIBTOOL) \
+ --mode=execute \
+ $(VALGRIND) \
+ --tool=memcheck \
+ --leak-check=full \
+ --leak-resolution=high \
+ --num-callers=20 \
+ --show-possibly-lost=no"
+
+valgrind-ci: all clean-local
+ $(MAKE) check TESTS_ENVIRONMENT=" \
+ G_SLICE=always-malloc \
+ G_DEBUG=gc-friendly \
+ $(LIBTOOL) \
+ --mode=execute \
+ $(VALGRIND) \
+ --tool=memcheck \
+ --xml=yes \
+ --xml-file=valgrind-%p.xml \
+ --leak-check=full \
+ --leak-resolution=high \
+ --num-callers=20 \
+ --show-possibly-lost=no"
+endif
+
+
+# Helpers: Cleanup of helper files
+
+clean-local:
+ -rm -rf $(top_builddir)/doc/build/
+ -rm -rf $(top_builddir)/valgrind-*.xml
diff --git a/autogen.sh b/autogen.sh
new file mode 100755
index 0000000..91726d6
--- /dev/null
+++ b/autogen.sh
@@ -0,0 +1,6 @@
+#!/bin/bash
+
+autoreconf \
+ --warnings=all \
+ --install \
+ --force
diff --git a/configure.ac b/configure.ac
new file mode 100644
index 0000000..49e2006
--- /dev/null
+++ b/configure.ac
@@ -0,0 +1,107 @@
+AC_PREREQ([2.69])
+
+AC_INIT([blogc], [0], [https://github.com/rafaelmartins/blogc], [blogc], [http://blogc.org])
+AC_CONFIG_AUX_DIR([build-aux])
+AC_CONFIG_MACRO_DIR([m4])
+
+AM_INIT_AUTOMAKE([1.13 foreign dist-bzip2 dist-xz subdir-objects serial-tests])
+AC_CONFIG_HEADERS([config.h])
+AM_SILENT_RULES([yes])
+AM_MAINTAINER_MODE([enable])
+
+LT_INIT
+
+AC_PROG_CC_C99
+AS_IF([test "x$ac_cv_prog_cc_c99" = "xno"], [
+ AC_MSG_ERROR([no C99 compiler found, blogc requires a C99 compiler.])
+])
+
+AC_ARG_ENABLE([examples], AS_HELP_STRING([--enable-examples], [build examples]))
+AS_IF([test "x$enable_examples" = "xyes"], [
+ build_examples=yes
+ EXAMPLES="enabled"
+], [
+ build_examples=no
+ EXAMPLES="disabled"
+])
+AM_CONDITIONAL([BUILD_EXAMPLES], [test "x$build_examples" = "xyes"])
+
+AC_ARG_ENABLE([valgrind], AS_HELP_STRING([--disable-valgrind],
+ [ignore presence of valgrind]))
+AS_IF([test "x$enable_valgrind" != "xno"], [
+ AC_PATH_PROG([valgrind], [valgrind])
+ AS_IF([test "x$ac_cv_path_valgrind" = "x"], [
+ have_valgrind=no
+ ], [
+ have_valgrind=yes
+ ])
+])
+AS_IF([test "x$have_valgrind" = "xyes"], , [
+ AS_IF([test "x$enable_valgrind" = "xyes"], [
+ AC_MSG_ERROR([valgrind requested but not found])
+ ])
+])
+AM_CONDITIONAL([USE_VALGRIND], [test "x$have_valgrind" = "xyes"])
+VALGRIND="$ac_cv_path_valgrind"
+AC_SUBST(VALGRIND)
+
+AC_ARG_ENABLE([leg], AS_HELP_STRING([--disable-leg],
+ [ignore presence of peg/leg and disable parser grammar regeneration]))
+AS_IF([test "x$enable_leg" != "xno"], [
+ AC_PATH_PROG([leg], [leg])
+ AS_IF([test "x$ac_cv_path_leg" = "x"], [
+ have_leg=no
+ ], [
+ have_leg=yes
+ ])
+])
+AS_IF([test "x$have_leg" = "xyes"], , [
+ AS_IF([test "x$enable_leg" = "xyes"], [
+ AC_MSG_ERROR([peg/leg requested but not found])
+ ])
+])
+AM_CONDITIONAL([USE_LEG], [test "x$have_leg" = "xyes"])
+LEG="$ac_cv_path_leg"
+AC_SUBST(LEG)
+
+AC_ARG_ENABLE([cmocka], AS_HELP_STRING([--disable-cmocka],
+ [ignore presence of cmocka. this will disable unit tests]))
+AS_IF([test "x$enable_cmocka" != "xno"], [
+ PKG_PROG_PKG_CONFIG
+ PKG_CHECK_MODULES([CMOCKA], [cmocka], [
+ CMOCKA="enabled"
+ have_cmocka=yes
+ ], [
+ CMOCKA="disabled"
+ have_cmocka=no
+ ])
+])
+AS_IF([test "x$have_cmocka" = "xyes"], , [
+ AS_IF([test "x$enable_cmocka" = "xyes"], [
+ AC_MSG_ERROR([cmocka requested but not found])
+ ])
+])
+AM_CONDITIONAL([USE_CMOCKA], [test "x$have_cmocka" = "xyes"])
+
+AC_CONFIG_FILES([
+ Makefile
+])
+AC_OUTPUT
+
+AS_ECHO("
+ ==== ${PACKAGE_STRING} ====
+
+ prefix: ${prefix}
+ exec_prefix: ${exec_prefix}
+ bindir: ${bindir}
+
+ compiler: ${CC}
+ cflags: ${CFLAGS}
+ ldflags: ${LDFLAGS}
+
+ examples: ${EXAMPLES}
+
+ valgrind: ${VALGRIND}
+ leg: ${LEG}
+ cmocka: ${CMOCKA}
+")
diff --git a/m4/.keep b/m4/.keep
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/m4/.keep
diff --git a/src/main.c b/src/main.c
new file mode 100644
index 0000000..f989f62
--- /dev/null
+++ b/src/main.c
@@ -0,0 +1,21 @@
+/*
+ * blogc: A blog compiler.
+ * Copyright (C) 2015 Rafael G. Martins <rafael@rafaelmartins.eng.br>
+ *
+ * This program can be distributed under the terms of the BSD License.
+ * See the file COPYING.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif /* HAVE_CONFIG_H */
+
+#include <stdio.h>
+
+
+int
+main(int argc, char **argv)
+{
+ printf("Hello, World!\n");
+ return 0;
+}
diff --git a/src/utils/slist.c b/src/utils/slist.c
new file mode 100644
index 0000000..e0c1a44
--- /dev/null
+++ b/src/utils/slist.c
@@ -0,0 +1,64 @@
+/*
+ * blogc: A blog compiler.
+ * Copyright (C) 2014-2015 Rafael G. Martins <rafael@rafaelmartins.eng.br>
+ *
+ * This program can be distributed under the terms of the BSD License.
+ * See the file COPYING.
+ */
+
+#include <stdlib.h>
+#include "utils.h"
+
+
+b_slist_t*
+b_slist_append(b_slist_t *l, void *data)
+{
+ b_slist_t *node = malloc(sizeof(b_slist_t));
+ if (node == NULL) {
+ l = NULL;
+ return l;
+ }
+ node->data = data;
+ node->next = NULL;
+ if (l == NULL)
+ l = node;
+ else {
+ b_slist_t *tmp;
+ for (tmp = l; tmp->next != NULL; tmp = tmp->next);
+ tmp->next = node;
+ }
+ return l;
+}
+
+
+void
+b_slist_free_full(b_slist_t *l, void (*free_func)(void *ptr))
+{
+ while (l != NULL) {
+ b_slist_t *tmp = l->next;
+ free_func(l->data);
+ free(l);
+ l = tmp;
+ }
+}
+
+
+void
+b_slist_free(b_slist_t *l)
+{
+ while (l != NULL) {
+ b_slist_t *tmp = l->next;
+ free(l);
+ l = tmp;
+ }
+}
+
+
+unsigned int
+b_slist_length(b_slist_t *l)
+{
+ unsigned int i;
+ b_slist_t *tmp;
+ for (tmp = l, i = 0; tmp != NULL; tmp = tmp->next, i++);
+ return i;
+}
diff --git a/src/utils/strings.c b/src/utils/strings.c
new file mode 100644
index 0000000..b3a19cc
--- /dev/null
+++ b/src/utils/strings.c
@@ -0,0 +1,277 @@
+/*
+ * blogc: A blog compiler.
+ * Copyright (C) 2014-2015 Rafael G. Martins <rafael@rafaelmartins.eng.br>
+ *
+ * This program can be distributed under the terms of the BSD License.
+ * See the file COPYING.
+ */
+
+#include <ctype.h>
+#include <string.h>
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include "utils.h"
+
+
+char*
+b_strdup(const char *s)
+{
+ if (s == NULL)
+ return NULL;
+ size_t l = strlen(s);
+ char *tmp = malloc(l + 1);
+ if (tmp == NULL)
+ return NULL;
+ memcpy(tmp, s, l + 1);
+ return tmp;
+}
+
+
+char*
+b_strndup(const char *s, size_t n)
+{
+ if (s == NULL)
+ return NULL;
+ size_t l = strnlen(s, n);
+ char *tmp = malloc(l + 1);
+ if (tmp == NULL)
+ return NULL;
+ memcpy(tmp, s, l);
+ tmp[l] = '\0';
+ return tmp;
+}
+
+
+char*
+b_strdup_vprintf(const char *format, va_list ap)
+{
+ va_list ap2;
+ va_copy(ap2, ap);
+ int l = vsnprintf(NULL, 0, format, ap2);
+ va_end(ap2);
+ if (l < 0)
+ return NULL;
+ char *tmp = malloc(l + 1);
+ if (!tmp)
+ return NULL;
+ int l2 = vsnprintf(tmp, l + 1, format, ap);
+ if (l2 < 0)
+ return NULL;
+ return tmp;
+}
+
+
+char*
+b_strdup_printf(const char *format, ...)
+{
+ va_list ap;
+ va_start(ap, format);
+ char *tmp = b_strdup_vprintf(format, ap);
+ va_end(ap);
+ return tmp;
+}
+
+
+bool
+b_str_starts_with(const char *str, const char *prefix)
+{
+ int str_l = strlen(str);
+ int str_lp = strlen(prefix);
+ if (str_lp > str_l)
+ return false;
+ return strncmp(str, prefix, str_lp) == 0;
+}
+
+
+bool
+b_str_ends_with(const char *str, const char *suffix)
+{
+ int str_l = strlen(str);
+ int str_ls = strlen(suffix);
+ if (str_ls > str_l)
+ return false;
+ return strcmp(str + str_l - str_ls, suffix) == 0;
+}
+
+
+char*
+b_str_strip(char *str)
+{
+ if (str == NULL)
+ return str;
+ int i;
+ size_t str_len = strlen(str);
+ for (i = str_len - 1; i >= 0; i--) {
+ if (!isspace(str[i])) {
+ str[i + 1] = '\0';
+ break;
+ }
+ }
+ str_len = strlen(str);
+ for (i = 0; i < str_len; i++) {
+ if (!isspace(str[i])) {
+ str = str + i;
+ break;
+ }
+ }
+ return str;
+}
+
+
+char**
+b_str_split(const char *str, char c, unsigned int max_pieces)
+{
+ if (!str)
+ return NULL;
+ char **rv = malloc(sizeof(char*));
+ unsigned int i, start = 0, count = 0;
+ for (i = 0; i < strlen(str) + 1; i++) {
+ if (str[0] == '\0')
+ break;
+ if ((str[i] == c && (!max_pieces || count + 1 < max_pieces)) || str[i] == '\0') {
+ rv = realloc(rv, (count + 1) * sizeof(char*));
+ rv[count] = malloc(i - start + 1);
+ memcpy(rv[count], str + start, i - start);
+ rv[count++][i - start] = '\0';
+ start = i + 1;
+ }
+ }
+ rv = realloc(rv, (count + 1) * sizeof(char*));
+ rv[count] = NULL;
+ return rv;
+}
+
+
+char*
+b_str_replace(const char *str, const char search, const char *replace)
+{
+ char **pieces = b_str_split(str, search, 0);
+ if (pieces == NULL)
+ return NULL;
+ char* rv = b_strv_join((const char**) pieces, replace);
+ b_strv_free(pieces);
+ return rv;
+}
+
+
+void
+b_strv_free(char **strv)
+{
+ if (strv == NULL)
+ return;
+ unsigned int i;
+ for (i = 0; strv[i] != NULL; i++)
+ free(strv[i]);
+ free(strv);
+}
+
+
+char*
+b_strv_join(const char **strv, const char *separator)
+{
+ if (strv == NULL)
+ return NULL;
+ unsigned int i = 0;
+ b_string_t *str = b_string_new();
+ for (i = 0; strv[i] != NULL; i++) {
+ str = b_string_append(str, strv[i]);
+ if (strv[i+1] != NULL)
+ str = b_string_append(str, separator);
+ }
+ return b_string_free(str, false);
+}
+
+
+unsigned int
+b_strv_length(char **strv)
+{
+ if (!strv)
+ return 0;
+ unsigned int i;
+ for (i = 0; strv[i] != NULL; i++);
+ return i;
+}
+
+
+b_string_t*
+b_string_new(void)
+{
+ b_string_t* rv = malloc(sizeof(b_string_t));
+ rv->str = NULL;
+ rv->len = 0;
+ rv->allocated_len = 0;
+
+ // initialize with empty string
+ rv = b_string_append(rv, "");
+
+ return rv;
+}
+
+
+char*
+b_string_free(b_string_t *str, bool free_str)
+{
+ char *rv = NULL;
+ if (free_str)
+ free(str->str);
+ else
+ rv = str->str;
+ free(str);
+ return rv;
+}
+
+
+b_string_t*
+b_string_append_len(b_string_t *str, const char *suffix, size_t len)
+{
+ if (suffix == NULL)
+ return str;
+ size_t old_len = str->len;
+ str->len += len;
+ if (str->len + 1 > str->allocated_len) {
+ str->allocated_len = (((str->len + 1) / B_STRING_CHUNK_SIZE) + 1) * B_STRING_CHUNK_SIZE;
+ str->str = realloc(str->str, str->allocated_len);
+ }
+ memcpy(str->str + old_len, suffix, len);
+ str->str[str->len] = '\0';
+ return str;
+}
+
+
+b_string_t*
+b_string_append(b_string_t *str, const char *suffix)
+{
+ if (suffix == NULL)
+ return str;
+ return b_string_append_len(str, suffix, strlen(suffix));
+}
+
+
+b_string_t*
+b_string_append_c(b_string_t *str, char c)
+{
+ size_t old_len = str->len;
+ str->len += 1;
+ if (str->len + 1 > str->allocated_len) {
+ str->allocated_len = (((str->len + 1) / B_STRING_CHUNK_SIZE) + 1) * B_STRING_CHUNK_SIZE;
+ str->str = realloc(str->str, str->allocated_len);
+ }
+ str->str[old_len] = c;
+ str->str[str->len] = '\0';
+ return str;
+}
+
+
+b_string_t*
+b_string_append_printf(b_string_t *str, const char *format, ...)
+{
+ va_list ap;
+ va_start(ap, format);
+ char *tmp = b_strdup_vprintf(format, ap);
+ va_end(ap);
+ str = b_string_append(str, tmp);
+ free(tmp);
+ return str;
+}
diff --git a/src/utils/trie.c b/src/utils/trie.c
new file mode 100644
index 0000000..f447860
--- /dev/null
+++ b/src/utils/trie.c
@@ -0,0 +1,193 @@
+/*
+ * blogc: A blog compiler.
+ * Copyright (C) 2014-2015 Rafael G. Martins <rafael@rafaelmartins.eng.br>
+ *
+ * This program can be distributed under the terms of the BSD License.
+ * See the file COPYING.
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include "utils.h"
+
+
+b_trie_t*
+b_trie_new(void (*free_func)(void *ptr))
+{
+ b_trie_t *trie = malloc(sizeof(b_trie_t));
+ trie->root = NULL;
+ trie->free_func = free_func;
+ return trie;
+}
+
+
+static void
+b_trie_free_node(b_trie_t *trie, b_trie_node_t *node)
+{
+ if (node == NULL)
+ return;
+ if (node->data != NULL && trie->free_func != NULL)
+ trie->free_func(node->data);
+ b_trie_free_node(trie, node->next);
+ b_trie_free_node(trie, node->child);
+ free(node);
+}
+
+
+void
+b_trie_free(b_trie_t *trie)
+{
+ b_trie_free_node(trie, trie->root);
+ free(trie);
+}
+
+
+void
+b_trie_insert(b_trie_t *trie, const char *key, void *data)
+{
+ if (data == NULL || key == NULL)
+ return;
+
+ b_trie_node_t *parent = NULL;
+ b_trie_node_t *previous;
+ b_trie_node_t *current;
+ b_trie_node_t *tmp;
+
+ while (1) {
+
+ if (trie->root == NULL || (parent != NULL && parent->child == NULL)) {
+ current = malloc(sizeof(b_trie_node_t));
+ current->key = *key;
+ current->data = NULL;
+ current->next = NULL;
+ current->child = NULL;
+ if (trie->root == NULL)
+ trie->root = current;
+ else
+ parent->child = current;
+ parent = current;
+ goto clean;
+ }
+
+ tmp = parent == NULL ? trie->root : parent->child;
+ previous = NULL;
+
+ while (tmp != NULL && tmp->key != *key) {
+ previous = tmp;
+ tmp = tmp->next;
+ }
+
+ parent = tmp;
+
+ if (previous == NULL || parent != NULL)
+ goto clean;
+
+ current = malloc(sizeof(b_trie_node_t));
+ current->key = *key;
+ current->data = NULL;
+ current->next = NULL;
+ current->child = NULL;
+ previous->next = current;
+ parent = current;
+
+clean:
+ if (*key == '\0') {
+ parent->data = data;
+ break;
+ }
+ key++;
+ }
+}
+
+
+void*
+b_trie_lookup(b_trie_t *trie, const char *key)
+{
+ if (trie->root == NULL || key == NULL)
+ return NULL;
+
+ b_trie_node_t *parent = trie->root;
+ b_trie_node_t *tmp;
+ while (1) {
+ for (tmp = parent; tmp != NULL; tmp = tmp->next) {
+
+ if (tmp->key == *key) {
+ if (tmp->key == '\0')
+ return tmp->data;
+ parent = tmp->child;
+ break;
+ }
+ }
+ if (tmp == NULL)
+ return NULL;
+
+ if (*key == '\0')
+ break;
+ key++;
+ }
+ return NULL;
+}
+
+
+static void
+b_trie_size_node(b_trie_node_t *node, unsigned int *count)
+{
+ if (node == NULL)
+ return;
+
+ if (node->key == '\0')
+ (*count)++;
+
+ b_trie_size_node(node->next, count);
+ b_trie_size_node(node->child, count);
+}
+
+
+unsigned int
+b_trie_size(b_trie_t *trie)
+{
+ if (trie == NULL)
+ return 0;
+
+ unsigned int count = 0;
+ b_trie_size_node(trie->root, &count);
+ return count;
+}
+
+
+static void
+b_trie_foreach_node(b_trie_node_t *node, b_string_t *str, void (*func)(const char *key, void *data))
+{
+ if (node == NULL)
+ return;
+
+ if (node->key == '\0') {
+ func(str->str, node->data);
+ b_string_free(str, true);
+ }
+
+ if (node->child != NULL) {
+ b_string_t *child = b_string_new();
+ child = b_string_append(child, str->str);
+ child = b_string_append_c(child, node->key);
+ b_trie_foreach_node(node->child, child, func);
+ }
+
+ if (node->next != NULL)
+ b_trie_foreach_node(node->next, str, func);
+
+ if (node->child != NULL && node->next == NULL)
+ b_string_free(str, true);
+}
+
+
+void
+b_trie_foreach(b_trie_t *trie, void (*func)(const char *key, void *data))
+{
+ if (trie->root == NULL)
+ return;
+
+ b_string_t *str = b_string_new();
+ b_trie_foreach_node(trie->root, str, func);
+}
diff --git a/src/utils/utils.h b/src/utils/utils.h
new file mode 100644
index 0000000..20259d8
--- /dev/null
+++ b/src/utils/utils.h
@@ -0,0 +1,71 @@
+/*
+ * blogc: A blog compiler.
+ * Copyright (C) 2014-2015 Rafael G. Martins <rafael@rafaelmartins.eng.br>
+ *
+ * This program can be distributed under the terms of the BSD License.
+ * See the file COPYING.
+ */
+
+#ifndef _UTILS_UTILS_H
+#define _UTILS_UTILS_H
+
+#include <stdbool.h>
+#include <stdarg.h>
+
+#define B_STRING_CHUNK_SIZE 128
+
+typedef struct _b_slist_t {
+ struct _b_slist_t *next;
+ void *data;
+} b_slist_t;
+
+typedef struct _b_string_t {
+ char *str;
+ size_t len;
+ size_t allocated_len;
+} b_string_t;
+
+typedef struct _b_trie_node_t {
+ char key;
+ void *data;
+ struct _b_trie_node_t *next, *child;
+} b_trie_node_t;
+
+typedef struct _b_trie_t {
+ b_trie_node_t *root;
+ void (*free_func)(void *ptr);
+} b_trie_t;
+
+b_slist_t* b_slist_append(b_slist_t *l, void *data);
+void b_slist_free_full(b_slist_t *l, void (*free_func)(void *ptr));
+void b_slist_free(b_slist_t *l);
+unsigned int b_slist_length(b_slist_t *l);
+
+char* b_strdup(const char *s);
+char* b_strndup(const char *s, size_t n);
+char* b_strdup_vprintf(const char *format, va_list ap);
+char* b_strdup_printf(const char *format, ...);
+bool b_str_starts_with(const char *str, const char *prefix);
+bool b_str_ends_with(const char *str, const char *suffix);
+char* b_str_strip(char *str);
+char** b_str_split(const char *str, char c, unsigned int max_pieces);
+char* b_str_replace(const char *str, const char search, const char *replace);
+void b_strv_free(char **strv);
+char* b_strv_join(const char **strv, const char *separator);
+unsigned int b_strv_length(char **strv);
+
+b_string_t* b_string_new(void);
+char* b_string_free(b_string_t *str, bool free_str);
+b_string_t* b_string_append_len(b_string_t *str, const char *suffix, size_t len);
+b_string_t* b_string_append(b_string_t *str, const char *suffix);
+b_string_t* b_string_append_c(b_string_t *str, char c);
+b_string_t* b_string_append_printf(b_string_t *str, const char *format, ...);
+
+b_trie_t* b_trie_new(void (*free_func)(void *ptr));
+void b_trie_free(b_trie_t *trie);
+void b_trie_insert(b_trie_t *trie, const char *key, void *data);
+void* b_trie_lookup(b_trie_t *trie, const char *key);
+unsigned int b_trie_size(b_trie_t *trie);
+void b_trie_foreach(b_trie_t *trie, void (*func)(const char *key, void *data));
+
+#endif /* _UTILS_UTILS_H */
diff --git a/tests/check_utils.c b/tests/check_utils.c
new file mode 100644
index 0000000..5f4cb9f
--- /dev/null
+++ b/tests/check_utils.c
@@ -0,0 +1,790 @@
+/*
+ * blogc: A blog compiler.
+ * Copyright (C) 2014-2015 Rafael G. Martins <rafael@rafaelmartins.eng.br>
+ *
+ * This program can be distributed under the terms of the BSD License.
+ * See the file COPYING.
+ */
+
+#include <stdarg.h>
+#include <stddef.h>
+#include <setjmp.h>
+#include <cmocka.h>
+
+#include <stdlib.h>
+
+#include "../src/utils/utils.h"
+
+
+static void
+test_slist_append(void **state)
+{
+ b_slist_t *l = NULL;
+ l = b_slist_append(l, (void*) b_strdup("bola"));
+ assert_non_null(l);
+ assert_string_equal(l->data, "bola");
+ assert_null(l->next);
+ l = b_slist_append(l, (void*) b_strdup("guda"));
+ assert_non_null(l);
+ assert_string_equal(l->data, "bola");
+ assert_non_null(l->next);
+ assert_string_equal(l->next->data, "guda");
+ assert_null(l->next->next);
+ b_slist_free_full(l, free);
+}
+
+
+static void
+test_slist_free(void **state)
+{
+ b_slist_t *l = NULL;
+ char *t1 = b_strdup("bola");
+ char *t2 = b_strdup("guda");
+ char *t3 = b_strdup("chunda");
+ l = b_slist_append(l, (void*) t1);
+ l = b_slist_append(l, (void*) t2);
+ l = b_slist_append(l, (void*) t3);
+ b_slist_free(l);
+ assert_string_equal(t1, "bola");
+ assert_string_equal(t2, "guda");
+ assert_string_equal(t3, "chunda");
+ free(t1);
+ free(t2);
+ free(t3);
+}
+
+
+static void
+test_slist_length(void **state)
+{
+ b_slist_t *l = NULL;
+ l = b_slist_append(l, (void*) b_strdup("bola"));
+ l = b_slist_append(l, (void*) b_strdup("guda"));
+ l = b_slist_append(l, (void*) b_strdup("chunda"));
+ assert_int_equal(b_slist_length(l), 3);
+ b_slist_free_full(l, free);
+}
+
+
+static void
+test_strdup(void **state)
+{
+ char *str = b_strdup("bola");
+ assert_string_equal(str, "bola");
+ free(str);
+ str = b_strdup(NULL);
+ assert_null(str);
+}
+
+
+static void
+test_strndup(void **state)
+{
+ char *str = b_strndup("bolaguda", 4);
+ assert_string_equal(str, "bola");
+ free(str);
+ str = b_strndup("bolaguda", 30);
+ assert_string_equal(str, "bolaguda");
+ free(str);
+ str = b_strndup("bolaguda", 8);
+ assert_string_equal(str, "bolaguda");
+ free(str);
+ str = b_strdup(NULL);
+ assert_null(str);
+}
+
+
+static void
+test_strdup_printf(void **state)
+{
+ char *str = b_strdup_printf("bola");
+ assert_string_equal(str, "bola");
+ free(str);
+ str = b_strdup_printf("bola, %s", "guda");
+ assert_string_equal(str, "bola, guda");
+ free(str);
+}
+
+
+static void
+test_str_starts_with(void **state)
+{
+ assert_true(b_str_starts_with("bolaguda", "bola"));
+ assert_true(b_str_starts_with("bola", "bola"));
+ assert_false(b_str_starts_with("gudabola", "bola"));
+ assert_false(b_str_starts_with("guda", "bola"));
+ assert_false(b_str_starts_with("bola", "bolaguda"));
+}
+
+
+static void
+test_str_ends_with(void **state)
+{
+ assert_true(b_str_ends_with("bolaguda", "guda"));
+ assert_true(b_str_ends_with("bola", "bola"));
+ assert_false(b_str_ends_with("gudabola", "guda"));
+ assert_false(b_str_ends_with("guda", "bola"));
+ assert_false(b_str_ends_with("bola", "gudabola"));
+}
+
+
+static void
+test_str_strip(void **state)
+{
+ char *str = b_strdup(" \tbola\n \t");
+ assert_string_equal(b_str_strip(str), "bola");
+ free(str);
+ str = b_strdup("guda");
+ assert_string_equal(b_str_strip(str), "guda");
+ free(str);
+ assert_null(b_str_strip(NULL));
+}
+
+
+static void
+test_str_split(void **state)
+{
+ char **strv = b_str_split("bola:guda:chunda", ':', 0);
+ assert_string_equal(strv[0], "bola");
+ assert_string_equal(strv[1], "guda");
+ assert_string_equal(strv[2], "chunda");
+ assert_null(strv[3]);
+ b_strv_free(strv);
+ strv = b_str_split("bola:guda:chunda", ':', 2);
+ assert_string_equal(strv[0], "bola");
+ assert_string_equal(strv[1], "guda:chunda");
+ assert_null(strv[2]);
+ b_strv_free(strv);
+ strv = b_str_split("bola:guda:chunda", ':', 1);
+ assert_string_equal(strv[0], "bola:guda:chunda");
+ assert_null(strv[1]);
+ b_strv_free(strv);
+ strv = b_str_split("", ':', 1);
+ assert_null(strv[0]);
+ b_strv_free(strv);
+ assert_null(b_str_split(NULL, ':', 0));
+}
+
+
+static void
+test_str_replace(void **state)
+{
+ char *str = b_str_replace("bolao", 'o', "zaz");
+ assert_string_equal(str, "bzazlazaz");
+ free(str);
+ str = b_str_replace("bolao", 'b', "zaz");
+ assert_string_equal(str, "zazolao");
+ free(str);
+}
+
+
+static void
+test_strv_join(void **state)
+{
+ const char *pieces[] = {"guda","bola", "chunda", NULL};
+ char *str = b_strv_join(pieces, ":");
+ assert_string_equal(str, "guda:bola:chunda");
+ free(str);
+ const char *pieces2[] = {NULL};
+ str = b_strv_join(pieces2, ":");
+ assert_string_equal(str, "");
+ free(str);
+ assert_null(b_strv_join(NULL, ":"));
+}
+
+
+static void
+test_strv_length(void **state)
+{
+ char *pieces[] = {"guda","bola", "chunda", NULL};
+ assert_int_equal(b_strv_length(pieces), 3);
+ char *pieces2[] = {NULL};
+ assert_int_equal(b_strv_length(pieces2), 0);
+ assert_int_equal(b_strv_length(NULL), 0);
+}
+
+
+static void
+test_string_new(void **state)
+{
+ b_string_t *str = b_string_new();
+ assert_non_null(str);
+ assert_string_equal(str->str, "");
+ assert_int_equal(str->len, 0);
+ assert_int_equal(str->allocated_len, B_STRING_CHUNK_SIZE);
+ assert_null(b_string_free(str, true));
+}
+
+
+static void
+test_string_free(void **state)
+{
+ b_string_t *str = b_string_new();
+ free(str->str);
+ str->str = b_strdup("bola");
+ str->len = 4;
+ str->allocated_len = B_STRING_CHUNK_SIZE;
+ char *tmp = b_string_free(str, false);
+ assert_string_equal(tmp, "bola");
+ free(tmp);
+}
+
+
+static void
+test_string_append_len(void **state)
+{
+ b_string_t *str = b_string_new();
+ str = b_string_append_len(str, "guda", 4);
+ assert_non_null(str);
+ assert_string_equal(str->str, "guda");
+ assert_int_equal(str->len, 4);
+ assert_int_equal(str->allocated_len, B_STRING_CHUNK_SIZE);
+ assert_null(b_string_free(str, true));
+ str = b_string_new();
+ str = b_string_append_len(str, "guda", 4);
+ str = b_string_append_len(str, "bola", 4);
+ assert_non_null(str);
+ assert_string_equal(str->str, "gudabola");
+ assert_int_equal(str->len, 8);
+ assert_int_equal(str->allocated_len, B_STRING_CHUNK_SIZE);
+ assert_null(b_string_free(str, true));
+ str = b_string_new();
+ str = b_string_append_len(str, "guda", 3);
+ str = b_string_append_len(str, "bola", 4);
+ assert_non_null(str);
+ assert_string_equal(str->str, "gudbola");
+ assert_int_equal(str->len, 7);
+ assert_int_equal(str->allocated_len, B_STRING_CHUNK_SIZE);
+ assert_null(b_string_free(str, true));
+ str = b_string_new();
+ str = b_string_append_len(str, "guda", 4);
+ str = b_string_append_len(str,
+ "cwlwmwxxmvjnwtidmjehzdeexbxjnjowruxjrqpgpfhmvwgqeacdjissntmbtsjidzkcw"
+ "nnqhxhneolbwqlctcxmrsutolrjikpavxombpfpjyaqltgvzrjidotalcuwrwxtaxjiwa"
+ "xfhfyzymtffusoqywaruxpybwggukltspqqmghzpqstvcvlqbkhquihzndnrvkaqvevaz"
+ "dxrewtgapkompnviiyielanoyowgqhssntyvcvqqtfjmkphywbkvzfyttaalttywhqcec"
+ "hgrwzaglzogwjvqncjzodaqsblcbpcdpxmrtctzginvtkckhqvdplgjvbzrnarcxjrsbc"
+ "sbfvpylgjznsuhxcxoqbpxowmsrgwimxjgyzwwmryqvstwzkglgeezelvpvkwefqdatnd"
+ "dxntikgoqlidfnmdhxzevqzlzubvyleeksdirmmttqthhkvfjggznpmarcamacpvwsrnr"
+ "ftzfeyasjpxoevyptpdnqokswiondusnuymqwaryrmdgscbnuilxtypuynckancsfnwtg"
+ "okxhegoifakimxbbafkeannglvsxprqzfekdinssqymtfexf", 600);
+ str = b_string_append_len(str, NULL, 0);
+ str = b_string_append_len(str,
+ "cwlwmwxxmvjnwtidmjehzdeexbxjnjowruxjrqpgpfhmvwgqeacdjissntmbtsjidzkcw"
+ "nnqhxhneolbwqlctcxmrsutolrjikpavxombpfpjyaqltgvzrjidotalcuwrwxtaxjiwa"
+ "xfhfyzymtffusoqywaruxpybwggukltspqqmghzpqstvcvlqbkhquihzndnrvkaqvevaz"
+ "dxrewtgapkompnviiyielanoyowgqhssntyvcvqqtfjmkphywbkvzfyttaalttywhqcec"
+ "hgrwzaglzogwjvqncjzodaqsblcbpcdpxmrtctzginvtkckhqvdplgjvbzrnarcxjrsbc"
+ "sbfvpylgjznsuhxcxoqbpxowmsrgwimxjgyzwwmryqvstwzkglgeezelvpvkwefqdatnd"
+ "dxntikgoqlidfnmdhxzevqzlzubvyleeksdirmmttqthhkvfjggznpmarcamacpvwsrnr"
+ "ftzfeyasjpxoevyptpdnqokswiondusnuymqwaryrmdgscbnuilxtypuynckancsfnwtg"
+ "okxhegoifakimxbbafkeannglvsxprqzfekdinssqymtfexf", 600);
+ assert_non_null(str);
+ assert_string_equal(str->str,
+ "gudacwlwmwxxmvjnwtidmjehzdeexbxjnjowruxjrqpgpfhmvwgqeacdjissntmbtsjid"
+ "zkcwnnqhxhneolbwqlctcxmrsutolrjikpavxombpfpjyaqltgvzrjidotalcuwrwxtax"
+ "jiwaxfhfyzymtffusoqywaruxpybwggukltspqqmghzpqstvcvlqbkhquihzndnrvkaqv"
+ "evazdxrewtgapkompnviiyielanoyowgqhssntyvcvqqtfjmkphywbkvzfyttaalttywh"
+ "qcechgrwzaglzogwjvqncjzodaqsblcbpcdpxmrtctzginvtkckhqvdplgjvbzrnarcxj"
+ "rsbcsbfvpylgjznsuhxcxoqbpxowmsrgwimxjgyzwwmryqvstwzkglgeezelvpvkwefqd"
+ "atnddxntikgoqlidfnmdhxzevqzlzubvyleeksdirmmttqthhkvfjggznpmarcamacpvw"
+ "srnrftzfeyasjpxoevyptpdnqokswiondusnuymqwaryrmdgscbnuilxtypuynckancsf"
+ "nwtgokxhegoifakimxbbafkeannglvsxprqzfekdinssqymtfexfcwlwmwxxmvjnwtidm"
+ "jehzdeexbxjnjowruxjrqpgpfhmvwgqeacdjissntmbtsjidzkcwnnqhxhneolbwqlctc"
+ "xmrsutolrjikpavxombpfpjyaqltgvzrjidotalcuwrwxtaxjiwaxfhfyzymtffusoqyw"
+ "aruxpybwggukltspqqmghzpqstvcvlqbkhquihzndnrvkaqvevazdxrewtgapkompnvii"
+ "yielanoyowgqhssntyvcvqqtfjmkphywbkvzfyttaalttywhqcechgrwzaglzogwjvqnc"
+ "jzodaqsblcbpcdpxmrtctzginvtkckhqvdplgjvbzrnarcxjrsbcsbfvpylgjznsuhxcx"
+ "oqbpxowmsrgwimxjgyzwwmryqvstwzkglgeezelvpvkwefqdatnddxntikgoqlidfnmdh"
+ "xzevqzlzubvyleeksdirmmttqthhkvfjggznpmarcamacpvwsrnrftzfeyasjpxoevypt"
+ "pdnqokswiondusnuymqwaryrmdgscbnuilxtypuynckancsfnwtgokxhegoifakimxbba"
+ "fkeannglvsxprqzfekdinssqymtfexf");
+ assert_int_equal(str->len, 1204);
+ assert_int_equal(str->allocated_len, B_STRING_CHUNK_SIZE * 10);
+ assert_null(b_string_free(str, true));
+}
+
+
+static void
+test_string_append(void **state)
+{
+ b_string_t *str = b_string_new();
+ str = b_string_append(str, "guda");
+ assert_non_null(str);
+ assert_string_equal(str->str, "guda");
+ assert_int_equal(str->len, 4);
+ assert_int_equal(str->allocated_len, B_STRING_CHUNK_SIZE);
+ assert_null(b_string_free(str, true));
+ str = b_string_new();
+ str = b_string_append(str, "guda");
+ str = b_string_append(str, "bola");
+ assert_non_null(str);
+ assert_string_equal(str->str, "gudabola");
+ assert_int_equal(str->len, 8);
+ assert_int_equal(str->allocated_len, B_STRING_CHUNK_SIZE);
+ assert_null(b_string_free(str, true));
+ str = b_string_new();
+ str = b_string_append(str, "guda");
+ str = b_string_append(str,
+ "cwlwmwxxmvjnwtidmjehzdeexbxjnjowruxjrqpgpfhmvwgqeacdjissntmbtsjidzkcw"
+ "nnqhxhneolbwqlctcxmrsutolrjikpavxombpfpjyaqltgvzrjidotalcuwrwxtaxjiwa"
+ "xfhfyzymtffusoqywaruxpybwggukltspqqmghzpqstvcvlqbkhquihzndnrvkaqvevaz"
+ "dxrewtgapkompnviiyielanoyowgqhssntyvcvqqtfjmkphywbkvzfyttaalttywhqcec"
+ "hgrwzaglzogwjvqncjzodaqsblcbpcdpxmrtctzginvtkckhqvdplgjvbzrnarcxjrsbc"
+ "sbfvpylgjznsuhxcxoqbpxowmsrgwimxjgyzwwmryqvstwzkglgeezelvpvkwefqdatnd"
+ "dxntikgoqlidfnmdhxzevqzlzubvyleeksdirmmttqthhkvfjggznpmarcamacpvwsrnr"
+ "ftzfeyasjpxoevyptpdnqokswiondusnuymqwaryrmdgscbnuilxtypuynckancsfnwtg"
+ "okxhegoifakimxbbafkeannglvsxprqzfekdinssqymtfexf");
+ str = b_string_append(str, NULL);
+ str = b_string_append(str,
+ "cwlwmwxxmvjnwtidmjehzdeexbxjnjowruxjrqpgpfhmvwgqeacdjissntmbtsjidzkcw"
+ "nnqhxhneolbwqlctcxmrsutolrjikpavxombpfpjyaqltgvzrjidotalcuwrwxtaxjiwa"
+ "xfhfyzymtffusoqywaruxpybwggukltspqqmghzpqstvcvlqbkhquihzndnrvkaqvevaz"
+ "dxrewtgapkompnviiyielanoyowgqhssntyvcvqqtfjmkphywbkvzfyttaalttywhqcec"
+ "hgrwzaglzogwjvqncjzodaqsblcbpcdpxmrtctzginvtkckhqvdplgjvbzrnarcxjrsbc"
+ "sbfvpylgjznsuhxcxoqbpxowmsrgwimxjgyzwwmryqvstwzkglgeezelvpvkwefqdatnd"
+ "dxntikgoqlidfnmdhxzevqzlzubvyleeksdirmmttqthhkvfjggznpmarcamacpvwsrnr"
+ "ftzfeyasjpxoevyptpdnqokswiondusnuymqwaryrmdgscbnuilxtypuynckancsfnwtg"
+ "okxhegoifakimxbbafkeannglvsxprqzfekdinssqymtfexf");
+ assert_non_null(str);
+ assert_string_equal(str->str,
+ "gudacwlwmwxxmvjnwtidmjehzdeexbxjnjowruxjrqpgpfhmvwgqeacdjissntmbtsjid"
+ "zkcwnnqhxhneolbwqlctcxmrsutolrjikpavxombpfpjyaqltgvzrjidotalcuwrwxtax"
+ "jiwaxfhfyzymtffusoqywaruxpybwggukltspqqmghzpqstvcvlqbkhquihzndnrvkaqv"
+ "evazdxrewtgapkompnviiyielanoyowgqhssntyvcvqqtfjmkphywbkvzfyttaalttywh"
+ "qcechgrwzaglzogwjvqncjzodaqsblcbpcdpxmrtctzginvtkckhqvdplgjvbzrnarcxj"
+ "rsbcsbfvpylgjznsuhxcxoqbpxowmsrgwimxjgyzwwmryqvstwzkglgeezelvpvkwefqd"
+ "atnddxntikgoqlidfnmdhxzevqzlzubvyleeksdirmmttqthhkvfjggznpmarcamacpvw"
+ "srnrftzfeyasjpxoevyptpdnqokswiondusnuymqwaryrmdgscbnuilxtypuynckancsf"
+ "nwtgokxhegoifakimxbbafkeannglvsxprqzfekdinssqymtfexfcwlwmwxxmvjnwtidm"
+ "jehzdeexbxjnjowruxjrqpgpfhmvwgqeacdjissntmbtsjidzkcwnnqhxhneolbwqlctc"
+ "xmrsutolrjikpavxombpfpjyaqltgvzrjidotalcuwrwxtaxjiwaxfhfyzymtffusoqyw"
+ "aruxpybwggukltspqqmghzpqstvcvlqbkhquihzndnrvkaqvevazdxrewtgapkompnvii"
+ "yielanoyowgqhssntyvcvqqtfjmkphywbkvzfyttaalttywhqcechgrwzaglzogwjvqnc"
+ "jzodaqsblcbpcdpxmrtctzginvtkckhqvdplgjvbzrnarcxjrsbcsbfvpylgjznsuhxcx"
+ "oqbpxowmsrgwimxjgyzwwmryqvstwzkglgeezelvpvkwefqdatnddxntikgoqlidfnmdh"
+ "xzevqzlzubvyleeksdirmmttqthhkvfjggznpmarcamacpvwsrnrftzfeyasjpxoevypt"
+ "pdnqokswiondusnuymqwaryrmdgscbnuilxtypuynckancsfnwtgokxhegoifakimxbba"
+ "fkeannglvsxprqzfekdinssqymtfexf");
+ assert_int_equal(str->len, 1204);
+ assert_int_equal(str->allocated_len, B_STRING_CHUNK_SIZE * 10);
+ assert_null(b_string_free(str, true));
+}
+
+
+static void
+test_string_append_c(void **state)
+{
+ b_string_t *str = b_string_new();
+ str = b_string_append_len(str, "guda", 4);
+ for (int i = 0; i < 600; i++)
+ str = b_string_append_c(str, 'c');
+ assert_non_null(str);
+ assert_string_equal(str->str,
+ "gudaccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc"
+ "ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc"
+ "ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc"
+ "ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc"
+ "ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc"
+ "ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc"
+ "ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc"
+ "ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc"
+ "cccccccccccccccccccccccccccccccccccccccccccccccccccc");
+ assert_int_equal(str->len, 604);
+ assert_int_equal(str->allocated_len, B_STRING_CHUNK_SIZE * 5);
+ assert_null(b_string_free(str, true));
+}
+
+
+static void
+test_string_append_printf(void **state)
+{
+ b_string_t *str = b_string_new();
+ str = b_string_append_printf(str, "guda: %s %d", "bola", 1);
+ assert_non_null(str);
+ assert_string_equal(str->str, "guda: bola 1");
+ assert_int_equal(str->len, 12);
+ assert_int_equal(str->allocated_len, B_STRING_CHUNK_SIZE);
+ assert_null(b_string_free(str, true));
+}
+
+
+static void
+test_trie_new(void **state)
+{
+ b_trie_t *trie = b_trie_new(free);
+ assert_non_null(trie);
+ assert_null(trie->root);
+ assert_true(trie->free_func == free);
+ b_trie_free(trie);
+}
+
+
+static void
+test_trie_insert(void **state)
+{
+ b_trie_t *trie = b_trie_new(free);
+
+ b_trie_insert(trie, "bola", b_strdup("guda"));
+ assert_true(trie->root->key == 'b');
+ assert_null(trie->root->data);
+ assert_true(trie->root->child->key == 'o');
+ assert_null(trie->root->child->data);
+ assert_true(trie->root->child->child->key == 'l');
+ assert_null(trie->root->child->child->data);
+ assert_true(trie->root->child->child->child->key == 'a');
+ assert_null(trie->root->child->child->child->data);
+ assert_true(trie->root->child->child->child->child->key == '\0');
+ assert_string_equal(trie->root->child->child->child->child->data, "guda");
+
+
+ b_trie_insert(trie, "chu", b_strdup("nda"));
+ assert_true(trie->root->key == 'b');
+ assert_null(trie->root->data);
+ assert_true(trie->root->child->key == 'o');
+ assert_null(trie->root->child->data);
+ assert_true(trie->root->child->child->key == 'l');
+ assert_null(trie->root->child->child->data);
+ assert_true(trie->root->child->child->child->key == 'a');
+ assert_null(trie->root->child->child->child->data);
+ assert_true(trie->root->child->child->child->child->key == '\0');
+ assert_string_equal(trie->root->child->child->child->child->data, "guda");
+
+ assert_true(trie->root->next->key == 'c');
+ assert_null(trie->root->next->data);
+ assert_true(trie->root->next->child->key == 'h');
+ assert_null(trie->root->next->child->data);
+ assert_true(trie->root->next->child->child->key == 'u');
+ assert_null(trie->root->next->child->child->data);
+ assert_true(trie->root->next->child->child->child->key == '\0');
+ assert_string_equal(trie->root->next->child->child->child->data, "nda");
+
+
+ b_trie_insert(trie, "bote", b_strdup("aba"));
+ assert_true(trie->root->key == 'b');
+ assert_null(trie->root->data);
+ assert_true(trie->root->child->key == 'o');
+ assert_null(trie->root->child->data);
+ assert_true(trie->root->child->child->key == 'l');
+ assert_null(trie->root->child->child->data);
+ assert_true(trie->root->child->child->child->key == 'a');
+ assert_null(trie->root->child->child->child->data);
+ assert_true(trie->root->child->child->child->child->key == '\0');
+ assert_string_equal(trie->root->child->child->child->child->data, "guda");
+
+ assert_true(trie->root->next->key == 'c');
+ assert_null(trie->root->next->data);
+ assert_true(trie->root->next->child->key == 'h');
+ assert_null(trie->root->next->child->data);
+ assert_true(trie->root->next->child->child->key == 'u');
+ assert_null(trie->root->next->child->child->data);
+ assert_true(trie->root->next->child->child->child->key == '\0');
+ assert_string_equal(trie->root->next->child->child->child->data, "nda");
+
+ assert_true(trie->root->child->child->next->key == 't');
+ assert_null(trie->root->child->child->next->data);
+ assert_true(trie->root->child->child->next->child->key == 'e');
+ assert_null(trie->root->child->child->next->child->data);
+ assert_true(trie->root->child->child->next->child->child->key == '\0');
+ assert_string_equal(trie->root->child->child->next->child->child->data, "aba");
+
+
+ b_trie_insert(trie, "bo", b_strdup("haha"));
+ assert_true(trie->root->key == 'b');
+ assert_null(trie->root->data);
+ assert_true(trie->root->child->key == 'o');
+ assert_null(trie->root->child->data);
+ assert_true(trie->root->child->child->key == 'l');
+ assert_null(trie->root->child->child->data);
+ assert_true(trie->root->child->child->child->key == 'a');
+ assert_null(trie->root->child->child->child->data);
+ assert_true(trie->root->child->child->child->child->key == '\0');
+ assert_string_equal(trie->root->child->child->child->child->data, "guda");
+
+ assert_true(trie->root->next->key == 'c');
+ assert_null(trie->root->next->data);
+ assert_true(trie->root->next->child->key == 'h');
+ assert_null(trie->root->next->child->data);
+ assert_true(trie->root->next->child->child->key == 'u');
+ assert_null(trie->root->next->child->child->data);
+ assert_true(trie->root->next->child->child->child->key == '\0');
+ assert_string_equal(trie->root->next->child->child->child->data, "nda");
+
+ assert_true(trie->root->child->child->next->key == 't');
+ assert_null(trie->root->child->child->next->data);
+ assert_true(trie->root->child->child->next->child->key == 'e');
+ assert_null(trie->root->child->child->next->child->data);
+ assert_true(trie->root->child->child->next->child->child->key == '\0');
+ assert_string_equal(trie->root->child->child->next->child->child->data, "aba");
+
+ assert_true(trie->root->child->child->next->next->key == '\0');
+ assert_string_equal(trie->root->child->child->next->next->data, "haha");
+
+ b_trie_free(trie);
+
+
+ trie = b_trie_new(free);
+
+ b_trie_insert(trie, "chu", b_strdup("nda"));
+ assert_true(trie->root->key == 'c');
+ assert_null(trie->root->data);
+ assert_true(trie->root->child->key == 'h');
+ assert_null(trie->root->child->data);
+ assert_true(trie->root->child->child->key == 'u');
+ assert_null(trie->root->child->child->data);
+ assert_true(trie->root->child->child->child->key == '\0');
+ assert_string_equal(trie->root->child->child->child->data, "nda");
+
+
+ b_trie_insert(trie, "bola", b_strdup("guda"));
+ assert_true(trie->root->key == 'c');
+ assert_null(trie->root->data);
+ assert_true(trie->root->child->key == 'h');
+ assert_null(trie->root->child->data);
+ assert_true(trie->root->child->child->key == 'u');
+ assert_null(trie->root->child->child->data);
+ assert_true(trie->root->child->child->child->key == '\0');
+ assert_string_equal(trie->root->child->child->child->data, "nda");
+
+ assert_true(trie->root->next->key == 'b');
+ assert_null(trie->root->next->data);
+ assert_true(trie->root->next->child->key == 'o');
+ assert_null(trie->root->next->child->data);
+ assert_true(trie->root->next->child->child->key == 'l');
+ assert_null(trie->root->next->child->child->data);
+ assert_true(trie->root->next->child->child->child->key == 'a');
+ assert_null(trie->root->next->child->child->child->data);
+ assert_true(trie->root->next->child->child->child->child->key == '\0');
+ assert_string_equal(trie->root->next->child->child->child->child->data, "guda");
+
+
+ b_trie_insert(trie, "bote", b_strdup("aba"));
+ assert_true(trie->root->key == 'c');
+ assert_null(trie->root->data);
+ assert_true(trie->root->child->key == 'h');
+ assert_null(trie->root->child->data);
+ assert_true(trie->root->child->child->key == 'u');
+ assert_null(trie->root->child->child->data);
+ assert_true(trie->root->child->child->child->key == '\0');
+ assert_string_equal(trie->root->child->child->child->data, "nda");
+
+ assert_true(trie->root->next->key == 'b');
+ assert_null(trie->root->next->data);
+ assert_true(trie->root->next->child->key == 'o');
+ assert_null(trie->root->next->child->data);
+ assert_true(trie->root->next->child->child->key == 'l');
+ assert_null(trie->root->next->child->child->data);
+ assert_true(trie->root->next->child->child->child->key == 'a');
+ assert_null(trie->root->next->child->child->child->data);
+ assert_true(trie->root->next->child->child->child->child->key == '\0');
+ assert_string_equal(trie->root->next->child->child->child->child->data, "guda");
+
+ assert_true(trie->root->next->child->child->next->key == 't');
+ assert_null(trie->root->next->child->child->next->data);
+ assert_true(trie->root->next->child->child->next->child->key == 'e');
+ assert_null(trie->root->next->child->child->next->child->data);
+ assert_true(trie->root->next->child->child->next->child->child->key == '\0');
+ assert_string_equal(trie->root->next->child->child->next->child->child->data, "aba");
+
+
+ b_trie_insert(trie, "bo", b_strdup("haha"));
+ assert_true(trie->root->key == 'c');
+ assert_null(trie->root->data);
+ assert_true(trie->root->child->key == 'h');
+ assert_null(trie->root->child->data);
+ assert_true(trie->root->child->child->key == 'u');
+ assert_null(trie->root->child->child->data);
+ assert_true(trie->root->child->child->child->key == '\0');
+ assert_string_equal(trie->root->child->child->child->data, "nda");
+
+ assert_true(trie->root->next->key == 'b');
+ assert_null(trie->root->next->data);
+ assert_true(trie->root->next->child->key == 'o');
+ assert_null(trie->root->next->child->data);
+ assert_true(trie->root->next->child->child->key == 'l');
+ assert_null(trie->root->next->child->child->data);
+ assert_true(trie->root->next->child->child->child->key == 'a');
+ assert_null(trie->root->next->child->child->child->data);
+ assert_true(trie->root->next->child->child->child->child->key == '\0');
+ assert_string_equal(trie->root->next->child->child->child->child->data, "guda");
+
+ assert_true(trie->root->next->child->child->next->key == 't');
+ assert_null(trie->root->next->child->child->next->data);
+ assert_true(trie->root->next->child->child->next->child->key == 'e');
+ assert_null(trie->root->next->child->child->next->child->data);
+ assert_true(trie->root->next->child->child->next->child->child->key == '\0');
+ assert_string_equal(trie->root->next->child->child->next->child->child->data, "aba");
+
+ assert_true(trie->root->next->child->child->next->next->key == '\0');
+ assert_string_equal(trie->root->next->child->child->next->next->data, "haha");
+
+ b_trie_free(trie);
+}
+
+
+static void
+test_trie_keep_data(void **state)
+{
+ b_trie_t *trie = b_trie_new(NULL);
+
+ char *t1 = "guda";
+ char *t2 = "nda";
+ char *t3 = "aba";
+ char *t4 = "haha";
+
+ b_trie_insert(trie, "bola", t1);
+ b_trie_insert(trie, "chu", t2);
+ b_trie_insert(trie, "bote", t3);
+ b_trie_insert(trie, "bo", t4);
+
+ b_trie_free(trie);
+
+ assert_string_equal(t1, "guda");
+ assert_string_equal(t2, "nda");
+ assert_string_equal(t3, "aba");
+ assert_string_equal(t4, "haha");
+}
+
+
+static void
+test_trie_lookup(void **state)
+{
+ b_trie_t *trie = b_trie_new(free);
+
+ b_trie_insert(trie, "bola", b_strdup("guda"));
+ b_trie_insert(trie, "chu", b_strdup("nda"));
+ b_trie_insert(trie, "bote", b_strdup("aba"));
+ b_trie_insert(trie, "bo", b_strdup("haha"));
+
+ assert_string_equal(b_trie_lookup(trie, "bola"), "guda");
+ assert_string_equal(b_trie_lookup(trie, "chu"), "nda");
+ assert_string_equal(b_trie_lookup(trie, "bote"), "aba");
+ assert_string_equal(b_trie_lookup(trie, "bo"), "haha");
+
+ assert_null(b_trie_lookup(trie, "arcoiro"));
+
+ b_trie_free(trie);
+
+ trie = b_trie_new(free);
+
+ b_trie_insert(trie, "chu", b_strdup("nda"));
+ b_trie_insert(trie, "bola", b_strdup("guda"));
+ b_trie_insert(trie, "bote", b_strdup("aba"));
+ b_trie_insert(trie, "bo", b_strdup("haha"));
+ b_trie_insert(trie, "copa", b_strdup("bu"));
+ b_trie_insert(trie, "b", b_strdup("c"));
+ b_trie_insert(trie, "test", b_strdup("asd"));
+
+ assert_string_equal(b_trie_lookup(trie, "bola"), "guda");
+ assert_string_equal(b_trie_lookup(trie, "chu"), "nda");
+ assert_string_equal(b_trie_lookup(trie, "bote"), "aba");
+ assert_string_equal(b_trie_lookup(trie, "bo"), "haha");
+
+ assert_null(b_trie_lookup(trie, "arcoiro"));
+
+ b_trie_free(trie);
+}
+
+
+static void
+test_trie_size(void **state)
+{
+ b_trie_t *trie = b_trie_new(free);
+
+ b_trie_insert(trie, "bola", b_strdup("guda"));
+ b_trie_insert(trie, "chu", b_strdup("nda"));
+ b_trie_insert(trie, "bote", b_strdup("aba"));
+ b_trie_insert(trie, "bo", b_strdup("haha"));
+
+ assert_int_equal(b_trie_size(trie), 4);
+ assert_int_equal(b_trie_size(NULL), 0);
+
+ b_trie_free(trie);
+
+ trie = b_trie_new(free);
+
+ b_trie_insert(trie, "chu", b_strdup("nda"));
+ b_trie_insert(trie, "bola", b_strdup("guda"));
+ b_trie_insert(trie, "bote", b_strdup("aba"));
+ b_trie_insert(trie, "bo", b_strdup("haha"));
+ b_trie_insert(trie, "copa", b_strdup("bu"));
+ b_trie_insert(trie, "b", b_strdup("c"));
+ b_trie_insert(trie, "test", b_strdup("asd"));
+
+ assert_int_equal(b_trie_size(trie), 7);
+ assert_int_equal(b_trie_size(NULL), 0);
+
+ b_trie_free(trie);
+}
+
+
+static unsigned int counter;
+static char *expected_keys[] = {"chu", "copa", "bola", "bote", "bo", "b", "test"};
+static char *expected_datas[] = {"nda", "bu", "guda", "aba", "haha", "c", "asd"};
+
+static void
+mock_foreach(const char *key, void *data)
+{
+ assert_string_equal(key, expected_keys[counter]);
+ assert_string_equal((char*) data, expected_datas[counter++]);
+}
+
+
+static void
+test_trie_foreach(void **state)
+{
+ b_trie_t *trie = b_trie_new(free);
+
+ b_trie_insert(trie, "chu", b_strdup("nda"));
+ b_trie_insert(trie, "bola", b_strdup("guda"));
+ b_trie_insert(trie, "bote", b_strdup("aba"));
+ b_trie_insert(trie, "bo", b_strdup("haha"));
+ b_trie_insert(trie, "copa", b_strdup("bu"));
+ b_trie_insert(trie, "b", b_strdup("c"));
+ b_trie_insert(trie, "test", b_strdup("asd"));
+
+ counter = 0;
+ b_trie_foreach(trie, mock_foreach);
+
+ b_trie_free(trie);
+}
+
+
+int
+main(void)
+{
+ const UnitTest tests[] = {
+
+ // slist
+ unit_test(test_slist_append),
+ unit_test(test_slist_free),
+ unit_test(test_slist_length),
+
+ // strings
+ unit_test(test_strdup),
+ unit_test(test_strndup),
+ unit_test(test_strdup_printf),
+ unit_test(test_str_starts_with),
+ unit_test(test_str_ends_with),
+ unit_test(test_str_strip),
+ unit_test(test_str_split),
+ unit_test(test_str_replace),
+ unit_test(test_strv_join),
+ unit_test(test_strv_length),
+ unit_test(test_string_new),
+ unit_test(test_string_free),
+ unit_test(test_string_append_len),
+ unit_test(test_string_append),
+ unit_test(test_string_append_c),
+ unit_test(test_string_append_printf),
+
+ // trie
+ unit_test(test_trie_new),
+ unit_test(test_trie_insert),
+ unit_test(test_trie_keep_data),
+ unit_test(test_trie_lookup),
+ unit_test(test_trie_size),
+ unit_test(test_trie_foreach),
+ };
+ return run_tests(tests);
+}