use ‘signed’ instead of ‘int’, redo prototypes

The flip arguments are implemented so delete comment

4 files changed, 33 insertions, 19 deletions

diff --git a/src/utils.c b/src/utils.c
index 0441ba2..55de956 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -9,7 +9,7 @@
 #include "yawa.h"
 #include "utils.h"
 
-int
+signed
 parse_int(char *string, char *arg)
 {
 	errno = 0;
@@ -33,7 +33,7 @@ parse_int(char *string, char *arg)
 	return (int)val;
 }
 
-unsigned int
+unsigned
 parse_uint(char *string, char *arg)
 {
 	errno = 0;
diff --git a/src/utils.h b/src/utils.h
index ae9612e..50703b0 100644
--- a/src/utils.h
+++ b/src/utils.h
@@ -2,8 +2,15 @@
 #define UTILS_H
 #include <stdbool.h>
 
-int parse_int(char *string, char *arg);
-unsigned int parse_uint(char *string, char *arg);
-bool parse_color(char *arg, Color *c, int a);
+/// Prototypes
+
+signed
+parse_int(char *string, char *arg);
+
+unsigned
+parse_uint(char *string, char *arg);
+
+bool
+parse_color(char *arg, Color *c, int a);
 
 #endif
diff --git a/src/yawa.c b/src/yawa.c
index dce73d7..971cd34 100644
--- a/src/yawa.c
+++ b/src/yawa.c
@@ -32,7 +32,7 @@
 #include "utils.h"
 #include "config.h"
 
-/* Order of parameters: KEY, ARG, STATE. */
+// Order of parameters: KEY, ARG, STATE.
 static error_t
 parse_opt(int key, char *arg, struct argp_state *state)
 {
@@ -146,15 +146,14 @@ static char doc[] = "yawa -- Yet Another Wallpaper Application";
 const char *argp_program_version = PACKAGE_STRING;
 const char *argp_program_bug_address = "<" PACKAGE_BUGREPORT ">";
 
-/* The ARGP structure itself. */
+// The ARGP structure itself.
 static struct argp argp = {options, parse_opt, "", doc, NULL, NULL, 0};
 
 // Globals:
 static Display *display;
 static int screen;
 
-// Adapted from fluxbox' bsetroot
-int
+signed
 set_root_atoms(Pixmap pixmap)
 {
 	Atom atom_root, atom_eroot, type;
@@ -203,7 +202,7 @@ set_root_atoms(Pixmap pixmap)
 	return 1;
 }
 
-int
+signed
 load_image(ImageMode mode, const char *arg, int rootW, int rootH,
             int alpha, Imlib_Image rootimg)
 {
@@ -281,7 +280,7 @@ load_image(ImageMode mode, const char *arg, int rootW, int rootH,
 	return 1;
 }
 
-int
+signed
 main(int argc, char **argv)
 {
 	struct arguments arguments = {
@@ -292,7 +291,7 @@ main(int argc, char **argv)
 		false,
 	};
 
-	/* Where the magic happens */
+	// Where the magic happens
 	argp_parse(&argp, argc, argv, 0, 0, &arguments);
 
 	Visual *vis;
diff --git a/src/yawa.h b/src/yawa.h
index 60d3ee8..0e5abb3 100644
--- a/src/yawa.h
+++ b/src/yawa.h
@@ -15,9 +15,17 @@ typedef enum
 	Full, Fill, Center, Tile
 } ImageMode;
 
-int set_root_atoms(Pixmap pixmap);
-int load_image(ImageMode mode, const char *arg, int rootW, int rootH, int alpha,
-               Imlib_Image rootimg);
+/// Prototypes
+
+signed
+set_root_atoms(Pixmap pixmap);
+
+signed
+load_image(ImageMode mode, const char *arg, int rootW, int rootH,
+           int alpha, Imlib_Image rootimg);
+
+
+/// Argument parsing
 
 static int num_add_colors;
 struct arguments {
@@ -57,7 +65,7 @@ struct arguments {
 	bool write;
 };
 
-/* Order of fields: {NAME, KEY, ARG, FLAGS, DOC, GROUP}. */
+// Order of fields: {NAME, KEY, ARG, FLAGS, DOC, GROUP}.
 static struct argp_option options[] =
 {
 	{0,              0,          0, 0, "Gradients:", 1},
@@ -82,9 +90,9 @@ static struct argp_option options[] =
 	{"contrast",   'o',   "AMOUNT", 0, "Adjust the contrast of the current image", 4},    // Not implemented
 	{"brightness", 'B',   "AMOUNT", 0, "Adjust the bightness of the current image", 4},   // Not implemented
 	{"gamma",      'G',   "AMOUNT", 0, "Adjust the gamma level of the current image", 4}, // Not implemented
-	{"flipv",      'v',          0, 0, "Flip the current image vertically", 4},           // Not implemented
-	{"fliph",      'h',          0, 0, "Flip the current image horizontally", 4},         // Not implemented
-	{"flipd",      'd',          0, 0, "Flip the current image diagonally", 4},           // Not implemented
+	{"flipv",      'v',          0, 0, "Flip the current image vertically", 4},
+	{"fliph",      'h',          0, 0, "Flip the current image horizontally", 4},
+	{"flipd",      'd',          0, 0, "Flip the current image diagonally", 4},
 
 	{0,              0,          0, 0, "Misc:", -1},
 	{"alpha",      'A',   "AMOUNT", 0, "Adjust alpha level for colors and images", -1},