/*
* Mini ps implementation(s) for busybox
*
- * Copyright (C) 1999,2000 by Lineo, inc. Written by Erik Andersen
- * <andersen@lineo.com>, <andersee@debian.org>
+ * Copyright (C) 1999,2000,2001 by Lineo, inc.
+ * Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
*
*
* This contains _two_ implementations of ps for Linux. One uses the
*
*/
-#include "busybox.h"
#include <stdio.h>
+#include <stdlib.h>
#include <unistd.h>
#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
#include <ctype.h>
+#include <string.h>
#include <sys/ioctl.h>
+#include "busybox.h"
#define BB_DECLARE_EXTERN
#define bb_need_help
#include "messages.c"
-#define TERMINAL_WIDTH 79 /* not 80 in case terminal has linefold bug */
+static const int TERMINAL_WIDTH = 79; /* not 80 in case terminal has linefold bug */
* the one using the /proc virtual filesystem.
*/
-#if ! defined BB_FEATURE_USE_PROCFS
-#error Sorry, I depend on the /proc filesystem right now.
-#endif
-
typedef struct proc_s {
char
cmd[16]; /* basename of executable file in call to exec(2) */
if (tmp)
sscanf(tmp, "Pid:\t%d\n" "PPid:\t%d\n", &P->pid, &P->ppid);
else
- error_msg("Internal error!\n");
+ error_msg("Internal error!");
/* For busybox, ignoring effective, saved, etc */
tmp = strstr(S, "Uid:");
if (tmp)
sscanf(tmp, "Uid:\t%d", &P->ruid);
else
- error_msg("Internal error!\n");
+ error_msg("Internal error!");
tmp = strstr(S, "Gid:");
if (tmp)
sscanf(tmp, "Gid:\t%d", &P->rgid);
else
- error_msg("Internal error!\n");
+ error_msg("Internal error!");
}
dir = opendir("/proc");
if (!dir)
- error_msg_and_die("Can't open /proc\n");
+ error_msg_and_die("Can't open /proc");
#ifdef BB_FEATURE_AUTOWIDTH
ioctl(fileno(stdout), TIOCGWINSZ, &win);
terminal_width = win.ws_col - 1;
#endif
- fprintf(stdout, "%5s %-8s %-3s %5s %s\n", "PID", "Uid", "Gid",
- "State", "Command");
+ printf("%5s %-8s %-3s %5s %s\n", "PID", "Uid", "Gid", "State", "Command");
while ((entry = readdir(dir)) != NULL) {
if (!isdigit(*entry->d_name))
continue;
if (file == NULL)
continue;
i = 0;
- len = fprintf(stdout, "%5d %-8s %-8s %c ", p.pid, uidName, groupName,
- p.state);
+ len = printf("%5d %-8s %-8s %c ", p.pid, uidName, groupName, p.state);
while (((c = getc(file)) != EOF) && (i < (terminal_width-len))) {
i++;
if (c == '\0')
}
fclose(file);
if (i == 0)
- fprintf(stdout, "[%s]", p.cmd);
- fprintf(stdout, "\n");
+ printf("[%s]", p.cmd);
+ putchar('\n');
}
closedir(dir);
return EXIT_SUCCESS;
#endif
if (argc > 1 && **(argv + 1) == '-')
- usage(ps_usage);
+ show_usage();
/* open device */
fd = open(device, O_RDONLY);
#endif
/* Print up a ps listing */
- fprintf(stdout, "%5s %-8s %-3s %5s %s\n", "PID", "Uid", "Gid",
- "State", "Command");
+ printf("%5s %-8s %-3s %5s %s\n", "PID", "Uid", "Gid", "State", "Command");
for (i=1; i<pid_array[0] ; i++) {
info.pid = pid_array[i];
if (*groupName == '\0')
sprintf(groupName, "%ld", info.egid);
- len = fprintf(stdout, "%5d %-8s %-8s %c ", info.pid, uidName, groupName, info.state);
+ len = printf("%5d %-8s %-8s %c ", info.pid, uidName, groupName, info.state);
if (strlen(info.command_line) > 1) {
for( j=0; j<(sizeof(info.command_line)-1) && j < (terminal_width-len); j++) {
}
}
*(info.command_line+j) = '\0';
- fprintf(stdout, "%s\n", info.command_line);
+ puts(info.command_line);
} else {
- fprintf(stdout, "[%s]\n", info.name);
+ printf("[%s]\n", info.name);
}
}