*
*/
-#include "internal.h"
+#include "busybox.h"
#if defined (BB_CHMOD_CHOWN_CHGRP) \
|| defined (BB_CP_MV) \
|| defined (BB_FIND) \
|| defined (BB_LS) \
|| defined (BB_RM) \
|| defined (BB_TAR)
-/* same conditions as recursiveAction */
+/* same conditions as recursive_action */
#define bb_need_name_too_long
#endif
#define bb_need_memory_exhausted
#include <sys/ioctl.h>
#include <sys/utsname.h> /* for uname(2) */
-#if defined BB_FEATURE_MOUNT_LOOP
-#include <fcntl.h>
-#include <linux/loop.h> /* Pull in loop device support */
-#endif
-
/* Busybox mount uses either /proc/filesystems or /dev/mtab to get the
* list of available filesystems used for the -t auto option */
#if defined BB_FEATURE_USE_PROCFS && defined BB_FEATURE_USE_DEVPS_PATCH
{
fprintf(stderr, "%s\n\n", full_version);
fprintf(stderr, "Usage: %s\n", usage);
- exit FALSE;
+ exit(EXIT_FAILURE);
}
-extern void errorMsg(const char *s, ...)
+static void verror_msg(const char *s, va_list p)
{
- va_list p;
-
- va_start(p, s);
fflush(stdout);
fprintf(stderr, "%s: ", applet_name);
vfprintf(stderr, s, p);
- va_end(p);
fflush(stderr);
}
-extern void fatalError(const char *s, ...)
+extern void error_msg(const char *s, ...)
+{
+ va_list p;
+
+ va_start(p, s);
+ verror_msg(s, p);
+ va_end(p);
+}
+
+extern void error_msg_and_die(const char *s, ...)
{
va_list p;
va_start(p, s);
+ verror_msg(s, p);
+ va_end(p);
+ exit(EXIT_FAILURE);
+}
+
+static void vperror_msg(const char *s, va_list p)
+{
fflush(stdout);
fprintf(stderr, "%s: ", applet_name);
- vfprintf(stderr, s, p);
- va_end(p);
+ if (s && *s) {
+ vfprintf(stderr, s, p);
+ fputs(": ", stderr);
+ }
+ fprintf(stderr, "%s\n", strerror(errno));
fflush(stderr);
- exit( FALSE);
+}
+
+extern void perror_msg(const char *s, ...)
+{
+ va_list p;
+
+ va_start(p, s);
+ vperror_msg(s, p);
+ va_end(p);
+}
+
+extern void perror_msg_and_die(const char *s, ...)
+{
+ va_list p;
+
+ va_start(p, s);
+ vperror_msg(s, p);
+ va_end(p);
+ exit(EXIT_FAILURE);
}
#if defined BB_INIT
perror("cannot get system information");
return (0);
}
- sscanf(name.version, "%d.%d.%d", &major, &minor, &patch);
+ major = atoi(strtok(name.release, "."));
+ minor = atoi(strtok(NULL, "."));
+ patch = atoi(strtok(NULL, "."));
return major * 65536 + minor * 256 + patch;
}
#endif /* BB_INIT */
* Return TRUE if a fileName is a directory.
* Nonexistant files return FALSE.
*/
-int isDirectory(const char *fileName, const int followLinks, struct stat *statBuf)
+int is_directory(const char *fileName, const int followLinks, struct stat *statBuf)
{
int status;
int didMalloc = 0;
}
#endif
+#if defined (BB_AR) || defined BB_CP_MV
+/*
+ * Copy chunksize bytes between two file descriptors
+ */
+int copy_file_chunk(int srcfd, int dstfd, size_t chunksize)
+{
+ size_t size;
+ char buffer[BUFSIZ]; /* BUFSIZ is declared in stdio.h */
+
+ while (chunksize > 0) {
+ if (chunksize > BUFSIZ)
+ size = BUFSIZ;
+ else
+ size = chunksize;
+ if (full_write(dstfd, buffer, full_read(srcfd, buffer, size)) < size)
+ return(FALSE);
+ chunksize -= size;
+ }
+ return (TRUE);
+}
+#endif
+
+
#if defined (BB_CP_MV)
/*
* Copy one file to another, while possibly preserving its modes, times, and
* -Erik Andersen
*/
int
-copyFile(const char *srcName, const char *destName,
+copy_file(const char *srcName, const char *destName,
int setModes, int followLinks, int forceFlag)
{
int rfd;
int wfd;
- int rcc;
int status;
- char buf[BUF_SIZE];
struct stat srcStatBuf;
struct stat dstStatBuf;
struct utimbuf times;
if ((srcStatBuf.st_dev == dstStatBuf.st_dev) &&
(srcStatBuf.st_ino == dstStatBuf.st_ino)) {
- errorMsg("Copying file \"%s\" to itself\n", srcName);
+ error_msg("Copying file \"%s\" to itself\n", srcName);
return FALSE;
}
return FALSE;
}
- wfd =
- open(destName, O_WRONLY | O_CREAT | O_TRUNC,
+ wfd = open(destName, O_WRONLY | O_CREAT | O_TRUNC,
srcStatBuf.st_mode);
if (wfd < 0) {
perror(destName);
return FALSE;
}
- while ((rcc = read(rfd, buf, sizeof(buf))) > 0) {
- if (fullWrite(wfd, buf, rcc) < 0)
- goto error_exit;
- }
- if (rcc < 0) {
- goto error_exit;
- }
-
+ if (copy_file_chunk(rfd, wfd, srcStatBuf.st_size)==FALSE)
+ goto error_exit;
+
close(rfd);
if (close(wfd) < 0) {
return FALSE;
/* This is fine, since symlinks never get here */
if (chown(destName, srcStatBuf.st_uid, srcStatBuf.st_gid) < 0) {
perror(destName);
- exit FALSE;
+ exit(EXIT_FAILURE);
}
if (chmod(destName, srcStatBuf.st_mode) < 0) {
perror(destName);
- exit FALSE;
+ exit(EXIT_FAILURE);
}
times.actime = srcStatBuf.st_atime;
times.modtime = srcStatBuf.st_mtime;
if (utime(destName, ×) < 0) {
perror(destName);
- exit FALSE;
+ exit(EXIT_FAILURE);
}
}
-#if defined BB_TAR || defined BB_LS
+#if defined BB_TAR || defined BB_LS ||defined BB_AR
#define TYPEINDEX(mode) (((mode) >> 12) & 0x0f)
#define TYPECHAR(mode) ("0pcCd?bB-?l?s???" [TYPEINDEX(mode)])
S_IROTH, S_IWOTH, S_IXOTH
};
-#define MODE1 "rwxrwxrwx"
-#define MODE0 "---------"
-#define SMODE1 "..s..s..t"
-#define SMODE0 "..S..S..T"
+static const char MODE1[] = "rwxrwxrwx";
+static const char MODE0[] = "---------";
+static const char SMODE1[] = "..s..s..t";
+static const char SMODE0[] = "..S..S..T";
/*
* Return the standard ls-like mode string from a file mode.
* This is static and so is overwritten on each call.
*/
-const char *modeString(int mode)
+const char *mode_string(int mode)
{
static char buf[12];
* Return the standard ls-like time string from a time_t
* This is static and so is overwritten on each call.
*/
-const char *timeString(time_t timeVal)
+const char *time_string(time_t timeVal)
{
time_t now;
char *str;
* This does multiple writes as necessary.
* Returns the amount written, or -1 on an error.
*/
-int fullWrite(int fd, const char *buf, int len)
+int full_write(int fd, const char *buf, int len)
{
int cc;
int total;
#endif /* BB_TAR || BB_CP_MV || BB_AR */
-#if defined BB_TAR || defined BB_TAIL || defined BB_AR || defined BB_SH
+#if defined BB_TAR || defined BB_TAIL || defined BB_AR || defined BB_SH || defined BB_CP_MV
/*
* Read all of the supplied buffer from a file.
* This does multiple reads as necessary.
* Returns the amount read, or -1 on an error.
* A short read is returned on an end of file.
*/
-int fullRead(int fd, char *buf, int len)
+int full_read(int fd, char *buf, int len)
{
int cc;
int total;
* location, and do something (something specified
* by the fileAction and dirAction function pointers).
*
- * Unfortunatly, while nftw(3) could replace this and reduce
+ * Unfortunately, while nftw(3) could replace this and reduce
* code size a bit, nftw() wasn't supported before GNU libc 2.1,
* and so isn't sufficiently portable to take over since glibc2.1
* is so stinking huge.
*/
-int recursiveAction(const char *fileName,
+int recursive_action(const char *fileName,
int recurse, int followLinks, int depthFirst,
int (*fileAction) (const char *fileName,
struct stat * statbuf,
"status=%d followLinks=%d TRUE=%d\n",
status, followLinks, TRUE);
#endif
- perror(fileName);
+ perror_msg("%s", fileName);
return FALSE;
}
dir = opendir(fileName);
if (!dir) {
- perror(fileName);
+ perror_msg("%s", fileName);
return FALSE;
}
if (dirAction != NULL && depthFirst == FALSE) {
status = dirAction(fileName, &statbuf, userData);
if (status == FALSE) {
- perror(fileName);
+ perror_msg("%s", fileName);
return FALSE;
}
}
continue;
}
if (strlen(fileName) + strlen(next->d_name) + 1 > BUFSIZ) {
- errorMsg(name_too_long);
+ error_msg(name_too_long);
return FALSE;
}
memset(nextFile, 0, sizeof(nextFile));
sprintf(nextFile, "%s/%s", fileName, next->d_name);
status =
- recursiveAction(nextFile, TRUE, followLinks, depthFirst,
+ recursive_action(nextFile, TRUE, followLinks, depthFirst,
fileAction, dirAction, userData);
if (status == FALSE) {
closedir(dir);
}
status = closedir(dir);
if (status < 0) {
- perror(fileName);
+ perror_msg("%s", fileName);
return FALSE;
}
if (dirAction != NULL && depthFirst == TRUE) {
status = dirAction(fileName, &statbuf, userData);
if (status == FALSE) {
- perror(fileName);
+ perror_msg("%s", fileName);
return FALSE;
}
}
* while all previous ones get default protections. Errors are not reported
* here, as failures to restore files can be reported later.
*/
-extern int createPath(const char *name, int mode)
+extern int create_path(const char *name, int mode)
{
char *cp;
char *cpOld;
#if defined (BB_CHMOD_CHOWN_CHGRP) || defined (BB_MKDIR) \
- || defined (BB_MKFIFO) || defined (BB_MKNOD)
+ || defined (BB_MKFIFO) || defined (BB_MKNOD) || defined (BB_AR)
/* [ugoa]{+|-|=}[rwxst] */
char type;
char c;
+ if (s==NULL)
+ return (FALSE);
+
do {
for (;;) {
switch (c = *s++) {
if (is_a_console(fd))
return fd;
- errorMsg("Couldnt get a file descriptor referring to the console\n");
+ error_msg("Couldnt get a file descriptor referring to the console\n");
return -1; /* total failure */
}
#endif /* BB_CHVT || BB_DEALLOCVT || BB_SETKEYCODES */
-#if !defined BB_REGEXP && (defined BB_GREP || defined BB_SED)
-
-/* Do a case insensitive strstr() */
-char *stristr(char *haystack, const char *needle)
-{
- int len = strlen(needle);
-
- while (*haystack) {
- if (!strncasecmp(haystack, needle, len))
- break;
- haystack++;
- }
-
- if (!(*haystack))
- haystack = NULL;
-
- return haystack;
-}
-
-/* This tries to find a needle in a haystack, but does so by
- * only trying to match literal strings (look 'ma, no regexps!)
- * This is short, sweet, and carries _very_ little baggage,
- * unlike its beefier cousin in regexp.c
- * -Erik Andersen
- */
-extern int find_match(char *haystack, char *needle, int ignoreCase)
-{
-
- if (ignoreCase == FALSE)
- haystack = strstr(haystack, needle);
- else
- haystack = stristr(haystack, needle);
- if (haystack == NULL)
- return FALSE;
- return TRUE;
-}
-
-
-/* This performs substitutions after a string match has been found. */
-extern int replace_match(char *haystack, char *needle, char *newNeedle,
- int ignoreCase)
-{
- int foundOne = 0;
- char *where, *slider, *slider1, *oldhayStack;
-
- if (ignoreCase == FALSE)
- where = strstr(haystack, needle);
- else
- where = stristr(haystack, needle);
-
- if (strcmp(needle, newNeedle) == 0)
- return FALSE;
-
- oldhayStack = (char *) xmalloc((unsigned) (strlen(haystack)));
- while (where != NULL) {
- foundOne++;
- strcpy(oldhayStack, haystack);
- for (slider = haystack, slider1 = oldhayStack; slider != where;
- slider++, slider1++);
- *slider = 0;
- haystack = strcat(haystack, newNeedle);
- slider1 += strlen(needle);
- haystack = strcat(haystack, slider1);
- where = strstr(slider, needle);
- }
- free(oldhayStack);
-
- if (foundOne > 0)
- return TRUE;
- else
- return FALSE;
-}
-
-#endif /* ! BB_REGEXP && (BB_GREP || BB_SED) */
-
-
#if defined BB_FIND || defined BB_INSMOD
/*
* Routine to see if a text string is matched by a wildcard pattern.
* Given any other file (or directory), find the mount table entry for its
* filesystem.
*/
-extern struct mntent *findMountPoint(const char *name, const char *table)
+extern struct mntent *find_mount_point(const char *name, const char *table)
{
struct stat s;
dev_t mountDevice;
* Read a number with a possible multiplier.
* Returns -1 if the number format is illegal.
*/
-extern long getNum(const char *cp)
+extern long atoi_w_units(const char *cp)
{
long value;
- if (!isDecimal(*cp))
+ if (!is_decimal(*cp))
return -1;
value = 0;
- while (isDecimal(*cp))
+ while (is_decimal(*cp))
value = value * 10 + *cp++ - '0';
switch (*cp++) {
#endif /* BB_DD || BB_TAIL */
-#if defined BB_INIT || defined BB_SYSLOGD || defined BB_AR
+#if defined BB_INIT || defined BB_SYSLOGD
/* try to open up the specified device */
extern int device_open(char *device, int mode)
{
#endif
#if defined BB_FEATURE_USE_DEVPS_PATCH
-/* findPidByName()
+/* find_pid_by_name()
*
* This finds the pid of the specified process,
* by using the /dev/ps device driver.
*
* Returns a list of all matching PIDs
*/
-extern pid_t* findPidByName( char* pidName)
+extern pid_t* find_pid_by_name( char* pidName)
{
int fd, i, j;
char device[] = "/dev/ps";
/* open device */
fd = open(device, O_RDONLY);
if (fd < 0)
- fatalError( "open failed for `%s': %s\n", device, strerror (errno));
+ error_msg_and_die( "open failed for `%s': %s\n", device, strerror (errno));
/* Find out how many processes there are */
if (ioctl (fd, DEVPS_GET_NUM_PIDS, &num_pids)<0)
- fatalError( "\nDEVPS_GET_PID_LIST: %s\n", strerror (errno));
+ error_msg_and_die( "\nDEVPS_GET_PID_LIST: %s\n", strerror (errno));
/* Allocate some memory -- grab a few extras just in case
* some new processes start up while we wait. The kernel will
* just ignore any extras if we give it too many, and will trunc.
* the list if we give it too few. */
- pid_array = (pid_t*) calloc( num_pids+10, sizeof(pid_t));
+ pid_array = (pid_t*) xcalloc( num_pids+10, sizeof(pid_t));
pid_array[0] = num_pids+10;
/* Now grab the pid list */
if (ioctl (fd, DEVPS_GET_PID_LIST, pid_array)<0)
- fatalError( "\nDEVPS_GET_PID_LIST: %s\n", strerror (errno));
+ error_msg_and_die( "\nDEVPS_GET_PID_LIST: %s\n", strerror (errno));
/* Now search for a match */
for (i=1, j=0; i<pid_array[0] ; i++) {
info.pid = pid_array[i];
if (ioctl (fd, DEVPS_GET_PID_INFO, &info)<0)
- fatalError( "\nDEVPS_GET_PID_INFO: %s\n", strerror (errno));
+ error_msg_and_die( "\nDEVPS_GET_PID_INFO: %s\n", strerror (errno));
/* Make sure we only match on the process name */
p=info.command_line+1;
if ((strstr(info.command_line, pidName) != NULL)
&& (strlen(pidName) == strlen(info.command_line))) {
- pidList=realloc( pidList, sizeof(pid_t) * (j+2));
- if (pidList==NULL)
- fatalError(memory_exhausted);
+ pidList=xrealloc( pidList, sizeof(pid_t) * (j+2));
pidList[j++]=info.pid;
}
}
/* close device */
if (close (fd) != 0)
- fatalError( "close failed for `%s': %s\n",device, strerror (errno));
+ error_msg_and_die( "close failed for `%s': %s\n",device, strerror (errno));
return pidList;
}
#error Sorry, I depend on the /proc filesystem right now.
#endif
-/* findPidByName()
+/* find_pid_by_name()
*
* This finds the pid of the specified process.
* Currently, it's implemented by rummaging through
*
* Returns a list of all matching PIDs
*/
-extern pid_t* findPidByName( char* pidName)
+extern pid_t* find_pid_by_name( char* pidName)
{
DIR *dir;
struct dirent *next;
dir = opendir("/proc");
if (!dir)
- fatalError( "Cannot open /proc: %s\n", strerror (errno));
+ error_msg_and_die( "Cannot open /proc: %s\n", strerror (errno));
while ((next = readdir(dir)) != NULL) {
FILE *status;
char filename[256];
char buffer[256];
- char* p;
/* If it isn't a number, we don't want it */
if (!isdigit(*next->d_name))
continue;
- /* Now open the status file */
- sprintf(filename, "/proc/%s/status", next->d_name);
+ sprintf(filename, "/proc/%s/cmdline", next->d_name);
status = fopen(filename, "r");
if (!status) {
continue;
fgets(buffer, 256, status);
fclose(status);
- /* Make sure we only match on the process name */
- p=buffer+5; /* Skip the name */
- while ((p)++) {
- if (*p==0 || *p=='\n') {
- *p='\0';
- break;
- }
- }
- p=buffer+6; /* Skip the "Name:\t" */
-
- if ((strstr(p, pidName) != NULL)
- && (strlen(pidName) == strlen(p))) {
- pidList=realloc( pidList, sizeof(pid_t) * (i+2));
- if (pidList==NULL)
- fatalError(memory_exhausted);
+ if (strstr(get_last_path_component(buffer), pidName) != NULL) {
+ pidList=xrealloc( pidList, sizeof(pid_t) * (i+2));
pidList[i++]=strtol(next->d_name, NULL, 0);
}
}
+
if (pidList)
pidList[i]=0;
return pidList;
void *ptr = malloc(size);
if (!ptr)
- fatalError(memory_exhausted);
+ error_msg_and_die(memory_exhausted);
return ptr;
}
{
void *ptr = realloc(old, size);
if (!ptr)
- fatalError(memory_exhausted);
+ error_msg_and_die(memory_exhausted);
return ptr;
}
{
void *ptr = calloc(nmemb, size);
if (!ptr)
- fatalError(memory_exhausted);
+ error_msg_and_die(memory_exhausted);
return ptr;
}
#endif
-#if defined BB_FEATURE_NFSMOUNT || defined BB_LSMOD
+#if defined BB_FEATURE_NFSMOUNT || defined BB_LS || defined BB_SH || defined BB_WGET
# ifndef DMALLOC
extern char * xstrdup (const char *s) {
char *t;
t = strdup (s);
if (t == NULL)
- fatalError(memory_exhausted);
+ error_msg_and_die(memory_exhausted);
return t;
}
# endif
+#endif
+#if defined BB_FEATURE_NFSMOUNT
extern char * xstrndup (const char *s, int n) {
char *t;
if (s == NULL)
- fatalError("xstrndup bug");
+ error_msg_and_die("xstrndup bug");
t = xmalloc(n+1);
strncpy(t,s,n);
}
#endif /* BB_SYSLOGD */
+
#if defined BB_FEATURE_MOUNT_LOOP
+#include <fcntl.h>
+#include "loop.h" /* Pull in loop device support */
+
extern int del_loop(const char *device)
{
int fd;
char fileName[BUFSIZ];
if (stat("/", &rootStat) != 0) {
- errorMsg("could not stat '/'\n");
+ error_msg("could not stat '/'\n");
return( FALSE);
}
dir = opendir("/dev");
if (!dir) {
- errorMsg("could not open '/dev'\n");
+ error_msg("could not open '/dev'\n");
return( FALSE);
}
if (ch == EOF)
break;
/* grow the line buffer as necessary */
- if (idx > linebufsz-2)
- linebuf = realloc(linebuf, linebufsz += GROWBY);
+ while (idx > linebufsz-2)
+ linebuf = xrealloc(linebuf, linebufsz += GROWBY);
linebuf[idx++] = (char)ch;
if ((char)ch == '\n')
break;
return linebuf;
}
-#if defined BB_CAT || defined BB_LSMOD
+#if defined BB_CAT
extern void print_file(FILE *file)
{
int c;
extern int print_file_by_name(char *filename)
{
FILE *file;
- file = fopen(filename, "r");
- if (file == NULL) {
+ if ((file = wfopen(filename, "r")) == NULL)
return FALSE;
- }
print_file(file);
return TRUE;
}
-#endif /* BB_CAT || BB_LSMOD */
+#endif /* BB_CAT */
-#if defined BB_ECHO || defined BB_TR
+#if defined BB_ECHO || defined BB_SH || defined BB_TR
char process_escape_sequence(char **ptr)
{
char c;
case 'n':
c = '\n';
break;
+ case 'r':
+ c = '\r';
+ break;
case 't':
c = '\t';
break;
}
#endif
-#if defined BB_BASENAME || defined BB_LN
+#if defined BB_BASENAME || defined BB_LN || defined BB_SH || defined BB_INIT || defined BB_FEATURE_USE_PROCFS
char *get_last_path_component(char *path)
{
char *s=path+strlen(path)-1;
int errmsgsz = regerror(ret, preg, NULL, 0);
char *errmsg = xmalloc(errmsgsz);
regerror(ret, preg, errmsg, errmsgsz);
- fatalError("bb_regcomp: %s\n", errmsg);
+ error_msg_and_die("xregcomp: %s\n", errmsg);
}
}
#endif
+#if defined BB_CAT || defined BB_HEAD || defined BB_WC
+FILE *wfopen(const char *path, const char *mode)
+{
+ FILE *fp;
+ if ((fp = fopen(path, mode)) == NULL) {
+ error_msg("%s: %s\n", path, strerror(errno));
+ errno = 0;
+ }
+ return fp;
+}
+#endif
+
+#if defined BB_HOSTNAME || defined BB_LOADACM || defined BB_MORE \
+ || defined BB_SED || defined BB_SH || defined BB_UNIQ \
+ || defined BB_WC || defined BB_CMP
+FILE *xfopen(const char *path, const char *mode)
+{
+ FILE *fp;
+ if ((fp = fopen(path, mode)) == NULL)
+ error_msg_and_die("%s: %s\n", path, strerror(errno));
+ return fp;
+}
+#endif
+
+int applet_name_compare(const void *x, const void *y)
+{
+ const struct BB_applet *applet1 = x;
+ const struct BB_applet *applet2 = y;
+
+ return strcmp(applet1->name, applet2->name);
+}
+
/* END CODE */
/*
Local Variables: