Merge pull request #654 from fastfetch-cli/dev

Release v2.3.4

Author: CarterLi

CHANGELOG.md

@@ -1,3 +1,12 @@
+# 2.3.4
+
+Bugfixes:
+* Fix `--help` doesn't work when built without python
+
+Features:
+* Use `MemAvailable` if available (Memory, Linux)
+* Improve performance of detecting dpkg package count (Packages, Linux)
+
 # 2.3.3
 
 Bugfixes:

CMakeLists.txt

@@ -1,7 +1,7 @@
 cmake_minimum_required(VERSION 3.12.0) # target_link_libraries with OBJECT libs & project homepage url
 
 project(fastfetch
-    VERSION 2.3.3
+    VERSION 2.3.4
     LANGUAGES C
     DESCRIPTION "Fast neofetch-like system information tool"
     HOMEPAGE_URL "https://github.com/fastfetch-cli/fastfetch"
@@ -221,12 +221,15 @@ endfunction(fastfetch_load_text)
 
 find_package(Python)
 if(Python_FOUND)
-    # Minify JSON string. `io.open(0,encoding='utf-8')` is needed to avoid encoding issues on Windows
     execute_process(COMMAND ${Python_EXECUTABLE} -c "import json,sys;json.dump(json.load(sys.stdin),sys.stdout,separators=(',',':'))"
                     INPUT_FILE "${CMAKE_CURRENT_SOURCE_DIR}/src/data/help.json"
                     OUTPUT_VARIABLE DATATEXT_JSON_HELP)
+    if(DATATEXT_JSON_HELP STREQUAL "")
+        message(ERROR "DATATEXT_JSON_HELP is empty, which should not happen!")
+    endif()
 else()
-    file(READ "src/data/help.json" TEMP)
+    message(STATUS "Python3 is not found, 'help.json' will not be minified")
+    file(READ "src/data/help.json" DATATEXT_JSON_HELP)
 endif()
 
 fastfetch_encode_c_string("${DATATEXT_JSON_HELP}" DATATEXT_JSON_HELP)

src/detection/memory/memory_linux.c

@@ -13,33 +13,43 @@ const char* ffDetectMemory(FFMemoryResult* ram)
     buf[nRead] = '\0';
 
     uint64_t memTotal = 0,
+             memAvailable = 0,
              shmem = 0,
              memFree = 0,
              buffers = 0,
              cached = 0,
              sReclaimable = 0;
-    
+
     char *token = NULL;
     if((token = strstr(buf, "MemTotal:")) != NULL)
         memTotal = strtoul(token + strlen("MemTotal:"), NULL, 10);
+    else
+        return "MemTotal not found in /proc/meminfo";
+
+    if((token = strstr(buf, "MemAvailable:")) != NULL)
+        memAvailable = strtoul(token + strlen("MemAvailable:"), NULL, 10);
+    else
+    {
+        if((token = strstr(buf, "MemFree:")) != NULL)
+            memFree = strtoul(token + strlen("MemFree:"), NULL, 10);
+
+        if((token = strstr(buf, "Buffers:")) != NULL)
+            buffers = strtoul(token + strlen("Buffers:"), NULL, 10);
+
+        if((token = strstr(buf, "Cached:")) != NULL)
+            cached = strtoul(token + strlen("Cached:"), NULL, 10);
+
+        if((token = strstr(buf, "Shmem:")) != NULL)
+            shmem = strtoul(token + strlen("Shmem:"), NULL, 10);
+
+        if((token = strstr(buf, "SReclaimable:")) != NULL)
+            sReclaimable = strtoul(token + strlen("SReclaimable:"), NULL, 10);
 
-    if((token = strstr(buf, "MemFree:")) != NULL)
-        memFree = strtoul(token + strlen("MemFree:"), NULL, 10);
-
-    if((token = strstr(buf, "Buffers:")) != NULL)
-        buffers = strtoul(token + strlen("Buffers:"), NULL, 10);
-    
-    if((token = strstr(buf, "Cached:")) != NULL)
-        cached = strtoul(token + strlen("Cached:"), NULL, 10);
-    
-    if((token = strstr(buf, "Shmem:")) != NULL)
-        shmem = strtoul(token + strlen("Shmem:"), NULL, 10);
-    
-    if((token = strstr(buf, "SReclaimable:")) != NULL)
-        sReclaimable = strtoul(token + strlen("SReclaimable:"), NULL, 10);
+        memAvailable = memFree + buffers + cached + sReclaimable - shmem;
+    }
 
     ram->bytesTotal = memTotal * 1024lu;
-    ram->bytesUsed = (memTotal + shmem - memFree - buffers - cached - sReclaimable) * 1024lu;
+    ram->bytesUsed = (memTotal - memAvailable) * 1024lu;
 
     return NULL;
 }

src/detection/packages/packages_linux.c

@@ -42,26 +42,19 @@ static uint32_t getNumElements(FFstrbuf* baseDir, const char* dirname, unsigned
 
 static uint32_t getNumStringsImpl(const char* filename, const char* needle)
 {
-    FILE* file = fopen(filename, "r");
-    if(file == NULL)
+    FF_STRBUF_AUTO_DESTROY content = ffStrbufCreate();
+    if (!ffReadFileBuffer(filename, &content))
         return 0;
 
     uint32_t count = 0;
-
-    char* line = NULL;
-    size_t len = 0;
-
-    while(getline(&line, &len, file) != EOF)
+    char *iter = content.chars;
+    size_t needleLength = strlen(needle);
+    while ((iter = memmem(iter, content.length - (size_t)(iter - content.chars), needle, needleLength)) != NULL)
     {
-        if(strstr(line, needle) != NULL)
-            ++count;
+        ++count;
+        iter += needleLength;
     }
 
-    if(line != NULL)
-        free(line);
-
-    fclose(file);
-
     return count;
 }