fixed

README.md

@@ -1,15 +1,14 @@
-# micro-utils
+# microutils
 Own implementation of *nix utils  
 License: wtfpl  
 
 https://trivial.technology/  
 
-
 Unportable:  
-	proc_parser  
-	ps  
-	dmesg  
-	mount  
-	umount  
-	nproc  
-	pivot_root  
+       proc_parser
+       ps
+       dmesg
+       mount
+       umount
+       nproc
+       pivot_root

TODO

@@ -49,5 +49,6 @@ BUGS:
 	xargs (getopt with glibc)
 
 FIX:
+ ps (proc_parser.h)
  echo (escape)
  que (unicode)

libmu/human.c

@@ -2,22 +2,23 @@
 
 char mu_hs_buf[MU_HUMAN_BUF_SIZE + 1];
 
-char *mu_humansize(off_t n, off_t block) {
+char *mu_humansize(off_t n, int block) {
 	memset(mu_hs_buf, '\0', sizeof(mu_hs_buf));
 
 	char *postfixes = "BKMGTPE";
-
+	size_t i = 0;
 	double size = n;
-	size_t i;
 
-	for (i = 0; i < strlen(postfixes) && size >= block; i++)
-		size /= block;
+	while (size > (off_t)block) {
+		size /= (off_t)block;
+		i++;
+	}
 
 	if (i)
 		snprintf(mu_hs_buf, sizeof(mu_hs_buf), "%.1f%c", size, postfixes[i]);
 
 	else
-		snprintf(mu_hs_buf, sizeof(mu_hs_buf), "%ju", n);
+		snprintf(mu_hs_buf, sizeof(mu_hs_buf), "%jd", n);
 
 	return mu_hs_buf;
 }

libmu/human.h

@@ -7,5 +7,5 @@
 
 #define MU_HUMAN_BUF_SIZE 16
 
-char *mu_humansize(off_t n, off_t block);
+char *mu_humansize(off_t n, int block);
 #endif

libmu/parse_mode.c

@@ -1,6 +1,6 @@
 #include <stdlib.h>
-#include <sys/stat.h>
 #include <string.h>
+#include "parse_mode.h"
 
 #define U (S_ISUID | S_IRWXU)
 #define G (S_ISGID | S_IRWXG)

libmu/parse_mount.h

@@ -1,7 +1,7 @@
 #ifndef _PARSE_MOUNT_H
 #define _PARSE_MOUNT_H
-#include <sys/mount.h>
 #include <stdlib.h>
+#include <sys/mount.h>
 
 typedef struct {
 	char *opt;

libmu/proc_parser.c

@@ -44,10 +44,7 @@ int mu_proc_status(const char *prog_name, const pid_t pid, struct mu_proc *proc_
 			val++;
 
 		/* Write values */
-		if (!strncmp(token, "Name", 4))
-			strcpy(proc_s->prog, val);
-
-		else if (!strncmp(token, "Uid", 3))
+		if (!strncmp(token, "Uid", 3))
 			proc_s->uid = strtoul(val, 0L, 10);
 
 		else if (!strncmp(token, "Gid", 3))
@@ -78,6 +75,11 @@ int mu_proc_stat(const char *prog_name, const pid_t pid, struct mu_proc *proc_s)
 	fscanf(fp, "%ld %ld %ld %ld %ld %ld %llu %lu %ld", &proc_s->cutime, &proc_s->cstime, &proc_s->priority, &proc_s->nice, &proc_s->num_threads, &proc_s->itrealvalue, &proc_s->starttime, &proc_s->vsize, &proc_s->rss);
 	fclose(fp);
 
+	/* Remove ( and ) from string */
+	size_t len = strlen(proc_s->cmdline) - 1;
+	proc_s->cmdline[len] = '\0';
+
+	memmove(proc_s->cmdline, proc_s->cmdline + 1, len);
 	return 0;
 }
 

libmu/proc_parser.h

@@ -7,7 +7,6 @@
 
 struct mu_proc {
 	/* from status */
-	char prog[PATH_MAX + 1];
 	uid_t uid;
 	gid_t gid;
 	long vmrss;

src/kill.c

@@ -121,7 +121,7 @@ int main(int argc, char **argv) {
 					ret = 1;
 
 				for (int i = 0; i < argc; i++) {
-					if (!strcmp(proc.prog, argv[i]))
+					if (!strcmp(proc.cmdline, argv[i]))
 						if (my_kill(pid, signal))
 							ret = 1;
 				}

src/ps.c

@@ -1,3 +1,4 @@
+#include <fcntl.h>
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>
@@ -6,9 +7,34 @@
 #include <errno.h>
 #include <pwd.h>
 #include <time.h>
+#include <limits.h>
 #include "proc_parser.h"
 #include "human.h"
 
+static char c_flag;
+
+static char *get_cmdline(const pid_t pid) {
+	static char path[PATH_MAX + 1];
+	snprintf(path, sizeof(path), "/proc/%d/cmdline", pid);
+
+	int fd = open(path, O_RDONLY);
+	if (fd < 0)
+		return NULL;
+
+	ssize_t size = read(fd, path, sizeof(path));
+	close(fd);
+
+	if (size == 0)
+		return NULL;
+
+	for (ssize_t i = 0; i < size; i++) {
+		if (path[i] == '\0' && i != size - 1)
+			path[i] = ' ';
+	}
+
+	return path;
+}
+
 static int pscan(const pid_t pid) {
 	struct mu_proc proc;
 	if (mu_proc_parser("ps", pid, &proc))
@@ -25,19 +51,31 @@ static int pscan(const pid_t pid) {
 
 	/* Print */
 	char virt[MU_HUMAN_BUF_SIZE + 1];
-	strcpy(virt, mu_humansize((off_t)proc.vsize, 1024));
+	strcpy(virt, mu_humansize(proc.vsize, 1024));
 
 	char rss[MU_HUMAN_BUF_SIZE + 1];
-	strcpy(rss, mu_humansize((off_t)proc.vmrss * 1024, 1024));
+	strcpy(rss, mu_humansize(proc.vmrss * 1024, 1024));
 
-	printf("%6d %8s %4ld %4ld %8s %8s %2c %02um:%02us %2s\n", proc.pid, name, proc.priority, proc.nice, virt, rss, proc.state, rtime / 60, rtime % 60, proc.prog);
+	char *prog = (c_flag) ? get_cmdline(pid) : proc.cmdline;
+	if (prog == NULL)
+		prog = proc.cmdline;
+
+	printf("%6d %8s %4ld %4ld %8s %8s %2c %02um:%02us %2s\n", proc.pid, name, proc.priority, proc.nice, virt, rss, proc.state, rtime / 60, rtime % 60, prog);
 	return 0;
 }
 
 int main(int argc, char **argv) {
-	while (getopt(argc, argv, "") != -1) {
-		puts("ps [a] [PID]\n\t-a Print all processes\n");
-		return 0;
+	int opt;
+	while ((opt = getopt(argc, argv, "c")) != -1) {
+		switch (opt) {
+			case 'c':
+				c_flag = 1;
+				break;
+
+			default:
+				puts("ps [c] [PID]\n\t-c Print cmdline instead of program name");
+				return 0;
+		}
 	}
 
 	argv += optind;

src/que.c

@@ -42,8 +42,7 @@ static char *file_path;
 
 enum {
 	FAILED_SAVE = 1,
-	SUCCESS_SAVE,
-	MARK
+	SUCCESS_SAVE
 };
 static char status_type;
 static char modified_flag;
@@ -419,9 +418,6 @@ static void statusBar(const char *path) {
 	else if (status_type == SUCCESS_SAVE)
 		ret = snprintf(info, sizeof(info), "File %s success saved", path);
 
-	else if (status_type == MARK)
-		ret = snprintf(info, sizeof(info), "Mark set at %ux %uy", curx, cury);
-
 	status_type = 0;
 	bufAppend(info, ret);
 }