feat(str): add a string data structure for easy use

CMakeLists.txt

@@ -23,6 +23,7 @@ endif ()
 add_subdirectory(app)
 add_subdirectory(library/list)
 add_subdirectory(library/log)
+add_subdirectory(library/str)
 
 if ((CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME OR MODERN_CMAKE_BUILD_TESTING)
         AND BUILD_TESTING)

library/str/CMakeLists.txt

@@ -0,0 +1,20 @@
+cmake_minimum_required(VERSION 3.21 FATAL_ERROR)
+
+include("project-meta-info.in")
+
+project(waitui-str
+        VERSION ${project_version}
+        DESCRIPTION ${project_description}
+        HOMEPAGE_URL ${project_homepage}
+        LANGUAGES C)
+
+add_library(str OBJECT)
+
+target_sources(str
+        PRIVATE
+        "src/str.c"
+        PUBLIC
+        "include/waitui/str.h"
+        )
+
+target_include_directories(str PUBLIC "include")

library/str/include/waitui/str.h

@@ -0,0 +1,91 @@
+/**
+* @file str.h
+* @author rick
+* @date 19.02.20
+* @brief File for the String implementation
+*/
+
+#ifndef WAITUI_STR_H
+#define WAITUI_STR_H
+
+#include <stdlib.h>
+#include <string.h>
+
+
+// -----------------------------------------------------------------------------
+//  Public types
+// -----------------------------------------------------------------------------
+
+/**
+* @brief Type for strings that do not need to be '\0' terminated
+*/
+typedef struct str {
+    char *s;
+    unsigned long int len;
+} str;
+
+
+// -----------------------------------------------------------------------------
+//  Public defines
+// -----------------------------------------------------------------------------
+
+#define STR_NULL_INIT                                                          \
+    { NULL, 0 }
+
+#define STR_STATIC_INIT(_str_)                                                 \
+    { (_str_), sizeof((_str_)) - 1 }
+
+#define STR_FMT(_pstr_)                                                        \
+    (((_pstr_) != (str *) 0) ? (int) (_pstr_)->len : 0),                       \
+            (((_pstr_) != (str *) 0) ? (_pstr_)->s : "")
+
+#define STR_STATIC_SET(_pstr_, _str_)                                          \
+    do {                                                                       \
+        if ((_pstr_)) {                                                        \
+            (_pstr_)->s   = (_str_);                                           \
+            (_pstr_)->len = sizeof((_str_)) - 1;                               \
+        }                                                                      \
+    } while (0)
+
+#define STR_STATIC_COPY(_dstr_, _str_)                                         \
+    do {                                                                       \
+        if ((_dstr_)) {                                                        \
+            char *tmp     = (_str_);                                           \
+            (_dstr_)->len = sizeof((_str_)) - 1;                               \
+            (_dstr_)->s   = calloc((_dstr_)->len, sizeof(*(_dstr_)->s));       \
+            if ((_dstr_)->s) { memcpy((_dstr_)->s, tmp, (_dstr_)->len); }      \
+        }                                                                      \
+    } while (0)
+
+#define STR_COPY(_dstr_, _pstr_)                                               \
+    do {                                                                       \
+        if ((_pstr_) && (_dstr_)) {                                            \
+            (_dstr_)->len = (_pstr_)->len;                                     \
+            (_dstr_)->s   = calloc((_pstr_)->len, sizeof(*(_pstr_)->s));       \
+            if ((_dstr_)->s) {                                                 \
+                memcpy((_dstr_)->s, (_pstr_)->s, (_dstr_)->len);               \
+            }                                                                  \
+        }                                                                      \
+    } while (0)
+
+#define STR_COPY_WITH_NUL(_dstr_, _pstr_)                                      \
+    do {                                                                       \
+        if ((_pstr_) && (_dstr_)) {                                            \
+            (_dstr_)->len = (_pstr_)->len;                                     \
+            (_dstr_)->s   = calloc((_pstr_)->len + 1, sizeof(*(_pstr_)->s));   \
+            if ((_dstr_)->s) {                                                 \
+                memcpy((_dstr_)->s, (_pstr_)->s, (_dstr_)->len);               \
+            }                                                                  \
+        }                                                                      \
+    } while (0)
+
+#define STR_FREE(_pstr_)                                                       \
+    do {                                                                       \
+        if ((_pstr_)) {                                                        \
+            if ((_pstr_)->s) { free((_pstr_)->s); };                           \
+            (_pstr_)->len = 0;                                                 \
+            (_pstr_)->s   = NULL;                                              \
+        }                                                                      \
+    } while (0)
+
+#endif//WAITUI_STR_H

library/str/project-meta-info.in

@@ -0,0 +1,3 @@
+set(project_version 0.0.1)
+set(project_description "waitui str library")
+set(project_homepage "http://example.com")

library/str/src/str.c

@@ -0,0 +1,8 @@
+/**
+* @file str.c
+* @author rick
+* @date 19.02.20
+* @brief File for the String implementation
+*/
+
+#include "waitui/str.h"