cex

commit e0ac7dc8bc2388ea3e32c018353c6340b552e86d
parent f86b88c00a16af75bdde3c11028b44cfd155f9c9
Author: Wim Dupont <wim@wimdupont.com>
Date:   Fri, 25 Apr 2025 19:25:26 +0200

file size to readable format

Diffstat:
M
cex.c
 | 
24
++++++++++++++++++++++--

1 file changed, 22 insertions(+), 2 deletions(-)
diff --git a/cex.c b/cex.c
@@ -99,6 +99,7 @@ static void make_open_default(void);
 static void make_mime_default(const char *mime, const char *app);
 static int rm_file(const char *fname);
 static int rename_file(const char *fname);
+static char *human_readable_bytes(char *buf, intmax_t bytes, bool decimal);
 static char *prompt_answer(char *buf, size_t size, const char *question);
 static char *cpstr(char *dest, const char *src);
 static char *get_file_info(char *buf, const char *filepath);
@@ -676,6 +677,7 @@ get_file_info(char *buf, const char *filepath)
 	struct tm *tm;
 	struct group *grp;
 	char mods[11], datestr[256], modfill = '-';
+	char hrbytes[200];
 
 	if ((stat(filepath, &statbuf)) != 0) {
 		switch (errno) {
@@ -713,11 +715,11 @@ get_file_info(char *buf, const char *filepath)
 	tm = localtime(&statbuf.st_mtime);
 	strftime(datestr, sizeof(datestr), nl_langinfo(D_T_FMT), tm);
 
-	sprintf(buf, "%10.10s %s %s %9jd %s",
+	sprintf(buf, "%10.10s %s %s %s %s",
 		mods,
 		usr->pw_name,
 		grp->gr_name,
-		(intmax_t)statbuf.st_size,
+		human_readable_bytes(hrbytes, (intmax_t)statbuf.st_size, TRUE),
 		datestr);
 
 	return buf;
@@ -1191,6 +1193,24 @@ is_dir(DirWin *dirwin, size_t index)
 }
 
 char *
+human_readable_bytes(char *buf, intmax_t bytes, bool decimal)
+{
+	double dblBytes = bytes;
+	int power = decimal ? 1000 : 1024;
+	char *suffix[] = {"B", "KB", "MB", "GB", "TB"};
+	char length = sizeof(suffix) / sizeof(suffix[0]);
+	int i = 0;
+
+	if (bytes > power)
+		for (i = 0; (bytes / power) > 0 && i<length-1; i++, bytes /= 1000)
+			dblBytes = bytes / (double) power;
+
+	sprintf(buf, "%.02lf%s", dblBytes, suffix[i]);
+
+	return buf;
+}
+
+char *
 prompt_answer(char *buf, size_t size, const char *question)
 {
 	move(maxy-1, 0);