more efficient memory usage

src/common.c

@@ -134,7 +134,7 @@ static const FFstrbuf* getCacheDir(FFinstance* instance)
     if(init)
         return &cacheDir;
 
-    ffStrbufInitS(&cacheDir, getenv("XDG_CACHE_HOME"));
+    ffStrbufInitAS(&cacheDir, 64, getenv("XDG_CACHE_HOME"));
 
     if(cacheDir.length == 0)
     {
@@ -161,7 +161,8 @@ bool ffPrintCachedValue(FFinstance* instance, FFstrbuf* customKey, const char* d
     ffStrbufAppend(&cacheFile, getCacheDir(instance));
     ffStrbufAppendS(&cacheFile, defKey);
 
-    FF_STRBUF_CREATE(value);
+    FFstrbuf value;
+    ffStrbufInitA(&value, 128);
     ffGetFileContent(cacheFile.chars, &value);
 
     ffStrbufDestroy(&cacheFile);
@@ -232,7 +233,8 @@ void ffParsePropFile(const char* fileName, const char* regex, char* buffer)
 
 void ffParsePropFileHome(FFinstance* instance, const char* relativeFile, const char* regex, char* buffer)
 {
-    FF_STRBUF_CREATE(absolutePath);
+    FFstrbuf absolutePath;
+    ffStrbufInitA(&absolutePath, 64);
     ffStrbufAppendS(&absolutePath, instance->state.passwd->pw_dir);
     ffStrbufAppendC(&absolutePath, '/');
     ffStrbufAppendS(&absolutePath, relativeFile);

src/fastfetch.c

@@ -624,7 +624,8 @@ static void parseOption(FFinstance* instance, FFdata* data, const char* key, con
 
 static void parseConfigFile(FFinstance* instance, FFdata* data)
 {
-    FF_STRBUF_CREATE(filename);
+    FFstrbuf filename;
+    ffStrbufInitA(&filename, 64);
 
     const char* xdgConfig = getenv("XDG_CONFIG_HOME");
     if(xdgConfig == NULL)
@@ -657,10 +658,12 @@ static void parseConfigFile(FFinstance* instance, FFdata* data)
     size_t len = 0;
     ssize_t read;
 
+    FFstrbuf line;
+    ffStrbufInitA(&line, 128); //The default structure line needs this size
+
     while ((read = getline(&lineStart, &len, file)) != -1)
     {
-        FFstrbuf line;
-        ffStrbufInitS(&line, lineStart);
+        ffStrbufSetS(&line, lineStart);
         ffStrbufTrimRight(&line, '\n');
         ffStrbufTrim(&line, ' ');
 
@@ -698,9 +701,10 @@ static void parseConfigFile(FFinstance* instance, FFdata* data)
         }
 
         parseOption(instance, data, line.chars, valueStart);
-        ffStrbufDestroy(&line);
     }
 
+    ffStrbufDestroy(&line);
+
     if(lineStart != NULL)
         free(lineStart);
 
@@ -833,8 +837,8 @@ int main(int argc, const char** argv)
 
     FFdata data;
     ffValuestoreInit(&data.valuestore);
-    ffStrbufInit(&data.structure);
-    ffStrbufInitA(&data.logoName, 2048);
+    ffStrbufInitA(&data.structure, 256);
+    ffStrbufInit(&data.logoName);
 
     parseConfigFile(&instance, &data);
     parseArguments(&instance, &data, argc, argv);

src/modules/cpu.c

@@ -49,7 +49,7 @@ void ffPrintCPU(FFinstance* instance)
     fclose(cpuinfo);
 
     FFstrbuf namePretty;
-    ffStrbufInitA(&namePretty, 256);
+    ffStrbufInitA(&namePretty, 64);
     ffStrbufAppendS(&namePretty, name);
     ffStrbufRemoveStrings(&namePretty, 11,
         "(R)", "(r)", "(TM)", "(tm)", " CPU", " FPU", " Processor", " Dual-Core", " Quad-Core", " Six-Core", " Eight-Core"
@@ -66,7 +66,8 @@ void ffPrintCPU(FFinstance* instance)
     int numProcsOnline = get_nprocs();
     int numProcsAvailable = get_nprocs_conf();
 
-    FF_STRBUF_CREATE(cpu);
+    FFstrbuf cpu;
+    ffStrbufInitA(&cpu, 128);
 
     if(instance->config.cpuFormat.length == 0)
     {

src/modules/gpu.c

@@ -35,7 +35,8 @@ static void handleGPU(FFinstance* instance, struct pci_access* pacc, struct pci_
     char name[512];
     ffpci_lookup_name(pacc, name, sizeof(name), PCI_LOOKUP_DEVICE, dev->vendor_id, dev->device_id);
 
-    FF_STRBUF_CREATE(gpu);
+    FFstrbuf gpu;
+    ffStrbufInitA(&gpu, 128);
 
     if(instance->config.gpuFormat.length == 0)
     {

src/util/FFstrbuf.h

@@ -8,7 +8,7 @@
 #include <stdbool.h>
 #include <stdio.h>
 
-#define FASTFETCH_STRBUF_DEFAULT_ALLOC 64
+#define FASTFETCH_STRBUF_DEFAULT_ALLOC 32
 
 typedef struct FFstrbuf
 {