Split config.c into a separate object file

Makefile.am

@@ -9,9 +9,9 @@ ACLOCAL_AMFLAGS = -I m4
 M_CPPFLAGS = -DSYSTEM_LIBINIPARSER=@SYSTEM_LIBINIPARSER@
 
 bin_PROGRAMS = cava
-cava_SOURCES = cava.c input/common.c input/alsa.c input/fifo.c input/portaudio.c input/pulse.c \
-               input/sndio.c input/shmem.c output/terminal_bcircle.c output/terminal_ncurses.c \
-               output/terminal_noncurses.c output/raw.c
+cava_SOURCES = cava.c config.c input/common.c input/alsa.c input/fifo.c input/portaudio.c \
+               input/pulse.c input/sndio.c input/shmem.c output/terminal_bcircle.c \
+               output/terminal_ncurses.c output/terminal_noncurses.c output/raw.c
 cava_LDFLAGS = -L/usr/local/lib -Wl,-rpath /usr/local/lib
 cava_CPPFLAGS = -DPACKAGE=\"$(PACKAGE)\" -DVERSION=\"$(VERSION)\" \
            -D_POSIX_SOURCE -D _POSIX_C_SOURCE=200809L

cava.c

@@ -12,6 +12,7 @@
 #include <stdbool.h>
 #include <stddef.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include <termios.h>
 
 #include <ctype.h>
@@ -47,13 +48,7 @@
 #include "input/shmem.h"
 #include "input/sndio.h"
 
-#include <iniparser.h>
-
-// We need to make sure that clang-format does not order the .h files before the .c files.
-// clang-format off
 #include "config.h"
-#include "config.c"
-// clang-format on
 
 #ifdef __GNUC__
 // curses.h or other sources may already define

config.c

@@ -1,27 +1,16 @@
-#define MAX_ERROR_LEN 1024
+#include "config.h"
+
+#include <ctype.h>
+#include <iniparser.h>
+#include <math.h>
+#include <stdarg.h>
+#include <stdbool.h>
+#include <sys/stat.h>
 
 double smoothDef[5] = {1, 1, 1, 1, 1};
 
 char *inputMethod, *outputMethod, *channels;
 
-struct config_params {
-
-    char *color, *bcolor, *raw_target, *audio_source,
-        /**gradient_color_1, *gradient_color_2,*/ **gradient_colors, *data_format, *mono_option;
-    char bar_delim, frame_delim;
-    double monstercat, integral, gravity, ignore, sens;
-    unsigned int lowcf, highcf;
-    double *smooth;
-    int smcount, customEQ, im, om, col, bgcol, autobars, stereo, is_bin, ascii_range, bit_format,
-        gradient, gradient_count, fixedbars, framerate, bw, bs, autosens, overshoot, waves,
-        FFTbufferSize, fifoSample;
-};
-
-struct error_s {
-    char message[MAX_ERROR_LEN];
-    int length;
-};
-
 void write_errorf(void *err, const char *fmt, ...) {
     struct error_s *error = (struct error_s *)err;
     va_list args;
@@ -138,11 +127,7 @@ bool validate_colors(void *params, void *err) {
     return true;
 }
 
-bool validate_config(char supportedInput[255], void *params, void *err) {
-
-    struct config_params *p = (struct config_params *)params;
-    struct error_s *error = (struct error_s *)err;
-
+bool validate_config(char supportedInput[255], struct config_params *p, struct error_s *error) {
     // validate: input method
     p->im = 0;
     if (strcmp(inputMethod, "alsa") == 0) {
@@ -385,11 +370,8 @@ bool load_colors(struct config_params *p, dictionary *ini, void *err) {
     return true;
 }
 
-bool load_config(char configPath[255], char supportedInput[255], void *params, bool colorsOnly,
-                 void *err) {
-
-    struct config_params *p = (struct config_params *)params;
-    struct error_s *error = (struct error_s *)err;
+bool load_config(char configPath[255], char supportedInput[255], struct config_params *p,
+                 bool colorsOnly, struct error_s *error) {
     FILE *fp;
 
     // config: creating path to default config file
@@ -565,7 +547,7 @@ bool load_config(char configPath[255], char supportedInput[255], void *params, b
     }
 #endif
 
-    bool result = validate_config(supportedInput, params, error);
+    bool result = validate_config(supportedInput, p, error);
     iniparser_freedict(ini);
     return result;
 }

config.h

@@ -1,6 +1,26 @@
-#include <stdarg.h>
+#pragma once
+
 #include <stdbool.h>
 #include <stdio.h>
 
-bool load_config(char configPath[255], char supportedInput[255], void *p, bool colorsOnly,
-                 void *error);
+#define MAX_ERROR_LEN 1024
+
+struct config_params {
+    char *color, *bcolor, *raw_target, *audio_source,
+        /**gradient_color_1, *gradient_color_2,*/ **gradient_colors, *data_format, *mono_option;
+    char bar_delim, frame_delim;
+    double monstercat, integral, gravity, ignore, sens;
+    unsigned int lowcf, highcf;
+    double *smooth;
+    int smcount, customEQ, im, om, col, bgcol, autobars, stereo, is_bin, ascii_range, bit_format,
+        gradient, gradient_count, fixedbars, framerate, bw, bs, autosens, overshoot, waves,
+        FFTbufferSize, fifoSample;
+};
+
+struct error_s {
+    char message[MAX_ERROR_LEN];
+    int length;
+};
+
+bool load_config(char configPath[255], char supportedInput[255], struct config_params *p,
+                 bool colorsOnly, struct error_s *error);