diff options
| -rw-r--r-- | applets/busybox.c | 3 | ||||
| -rw-r--r-- | busybox.c | 3 | ||||
| -rw-r--r-- | busybox.def.h | 1 | ||||
| -rw-r--r-- | internal.h | 1 | ||||
| -rw-r--r-- | more.c | 2 | ||||
| -rw-r--r-- | procps/ps.c | 68 | ||||
| -rw-r--r-- | ps.c | 68 | ||||
| -rw-r--r-- | util-linux/more.c | 2 |
8 files changed, 146 insertions, 2 deletions
diff --git a/applets/busybox.c b/applets/busybox.c index 4849ba0..d4313ef 100644 --- a/applets/busybox.c +++ b/applets/busybox.c @@ -117,6 +117,9 @@ static const struct Applet applets[] = { #ifdef BB_PRINTF //usr/bin {"printf", printf_main}, #endif +#ifdef BB_PS //bin + {"ps", ps_main}, +#endif #ifdef BB_PWD //bin {"pwd", pwd_main}, #endif @@ -117,6 +117,9 @@ static const struct Applet applets[] = { #ifdef BB_PRINTF //usr/bin {"printf", printf_main}, #endif +#ifdef BB_PS //bin + {"ps", ps_main}, +#endif #ifdef BB_PWD //bin {"pwd", pwd_main}, #endif diff --git a/busybox.def.h b/busybox.def.h index 85d3df1..eec6621 100644 --- a/busybox.def.h +++ b/busybox.def.h @@ -38,6 +38,7 @@ #define BB_MT #define BB_MV //#define BB_PRINTF +#define BB_PS #define BB_PWD #define BB_REBOOT #define BB_RM @@ -93,6 +93,7 @@ extern int mount_main(int argc, char** argv); extern int mt_main(int argc, char** argv); extern int mv_main(int argc, char** argv); extern int printf_main(int argc, char** argv); +extern int ps_main(int argc, char** argv); extern int pwd_main(int argc, char** argv); extern int reboot_main(int argc, char** argv); extern int rmdir_main(int argc, char **argv); @@ -79,7 +79,7 @@ extern int more_main(int argc, char **argv) file = fopen(*argv, "r"); if (file == NULL) { - perror("Can't open file"); + perror(*argv); exit(FALSE); } fstat(fileno(file), &st); diff --git a/procps/ps.c b/procps/ps.c new file mode 100644 index 0000000..b8e4cd3 --- /dev/null +++ b/procps/ps.c @@ -0,0 +1,68 @@ +/* + * Mini ps implementation for busybox + * + * Copyright (C) 1998 by Erik Andersen <andersee@debian.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include "internal.h" +#include <unistd.h> +#include <dirent.h> +#include <stdio.h> + + +extern int ps_main(int argc, char **argv) +{ + DIR *dir; + FILE *file; + struct dirent *entry; + + if ( argc>1 && **(argv+1) == '-' ) { + usage ("ps\n"); + } + + dir = opendir("/proc"); + if (!dir) { + perror("Can't open /proc"); + exit(FALSE); + } + + fprintf(stdout, "PID\tUid\tGid\tState\tName\n"); + while ((entry = readdir(dir)) != NULL) { + char psStatus[NAME_MAX]; + char psName[NAME_MAX]=""; + char psState[NAME_MAX]=""; + int psPID=0, psPPID=0, psUid=0, psGid=0; + //if (match(entry->d_name, "[0-9]") == FALSE) + // continue; + sprintf(psStatus, "/proc/%s/status", entry->d_name); + file = fopen( psStatus, "r"); + if (file == NULL) { + continue; + //perror(psStatus); + //exit( FALSE); + } + fscanf(file, "Name:\t%s\nState:\t%s\nPid:\t%d\nPPid:\t%d\nUid:\t%d\nGid:\t%d", + psName, psState, &psPID, &psPPID, &psUid, &psGid); + fclose(file); + + fprintf(stdout, "%d\t%d\t%d\t%s\t%s\n", psPID, psUid, psGid, psState, psName); + } + closedir(dir); + exit(TRUE); +} + @@ -0,0 +1,68 @@ +/* + * Mini ps implementation for busybox + * + * Copyright (C) 1998 by Erik Andersen <andersee@debian.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include "internal.h" +#include <unistd.h> +#include <dirent.h> +#include <stdio.h> + + +extern int ps_main(int argc, char **argv) +{ + DIR *dir; + FILE *file; + struct dirent *entry; + + if ( argc>1 && **(argv+1) == '-' ) { + usage ("ps\n"); + } + + dir = opendir("/proc"); + if (!dir) { + perror("Can't open /proc"); + exit(FALSE); + } + + fprintf(stdout, "PID\tUid\tGid\tState\tName\n"); + while ((entry = readdir(dir)) != NULL) { + char psStatus[NAME_MAX]; + char psName[NAME_MAX]=""; + char psState[NAME_MAX]=""; + int psPID=0, psPPID=0, psUid=0, psGid=0; + //if (match(entry->d_name, "[0-9]") == FALSE) + // continue; + sprintf(psStatus, "/proc/%s/status", entry->d_name); + file = fopen( psStatus, "r"); + if (file == NULL) { + continue; + //perror(psStatus); + //exit( FALSE); + } + fscanf(file, "Name:\t%s\nState:\t%s\nPid:\t%d\nPPid:\t%d\nUid:\t%d\nGid:\t%d", + psName, psState, &psPID, &psPPID, &psUid, &psGid); + fclose(file); + + fprintf(stdout, "%d\t%d\t%d\t%s\t%s\n", psPID, psUid, psGid, psState, psName); + } + closedir(dir); + exit(TRUE); +} + diff --git a/util-linux/more.c b/util-linux/more.c index 745ae2b..72d58a6 100644 --- a/util-linux/more.c +++ b/util-linux/more.c @@ -79,7 +79,7 @@ extern int more_main(int argc, char **argv) file = fopen(*argv, "r"); if (file == NULL) { - perror("Can't open file"); + perror(*argv); exit(FALSE); } fstat(fileno(file), &st); |