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-rw-r--r--rm.c102
1 files changed, 52 insertions, 50 deletions
diff --git a/rm.c b/rm.c
index ee434fb..41afeda 100644
--- a/rm.c
+++ b/rm.c
@@ -1,3 +1,4 @@
+/* vi: set sw=4 ts=4: */
/*
* Mini rm implementation for busybox
*
@@ -28,11 +29,12 @@
#include <dirent.h>
#include <errno.h>
-static const char* rm_usage = "rm [OPTION]... FILE...\n\n"
-"Remove (unlink) the FILE(s).\n\n"
-"Options:\n"
-"\t-f\t\tremove existing destinations, never prompt\n"
-"\t-r or -R\tremove the contents of directories recursively\n";
+static const char *rm_usage = "rm [OPTION]... FILE...\n\n"
+ "Remove (unlink) the FILE(s).\n\n"
+ "Options:\n"
+
+ "\t-f\t\tremove existing destinations, never prompt\n"
+ "\t-r or -R\tremove the contents of directories recursively\n";
static int recursiveFlag = FALSE;
@@ -40,63 +42,63 @@ static int forceFlag = FALSE;
static const char *srcName;
-static int fileAction(const char *fileName, struct stat* statbuf)
+static int fileAction(const char *fileName, struct stat *statbuf)
{
- if (unlink( fileName) < 0 ) {
- perror( fileName);
- return ( FALSE);
- }
- return ( TRUE);
+ if (unlink(fileName) < 0) {
+ perror(fileName);
+ return (FALSE);
+ }
+ return (TRUE);
}
-static int dirAction(const char *fileName, struct stat* statbuf)
+static int dirAction(const char *fileName, struct stat *statbuf)
{
- if (rmdir( fileName) < 0 ) {
- perror( fileName);
- return ( FALSE);
- }
- return ( TRUE);
+ if (rmdir(fileName) < 0) {
+ perror(fileName);
+ return (FALSE);
+ }
+ return (TRUE);
}
extern int rm_main(int argc, char **argv)
{
- struct stat statbuf;
+ struct stat statbuf;
- if (argc < 2) {
- usage( rm_usage);
- }
- argc--;
- argv++;
-
- /* Parse any options */
- while (**argv == '-') {
- while (*++(*argv))
- switch (**argv) {
- case 'R':
- case 'r':
- recursiveFlag = TRUE;
- break;
- case 'f':
- forceFlag = TRUE;
- break;
- default:
- usage( rm_usage);
- }
+ if (argc < 2) {
+ usage(rm_usage);
+ }
argc--;
argv++;
- }
- while (argc-- > 0) {
- srcName = *(argv++);
- if (forceFlag == TRUE && lstat(srcName, &statbuf) != 0 && errno == ENOENT) {
- /* do not reports errors for non-existent files if -f, just skip them */
+ /* Parse any options */
+ while (**argv == '-') {
+ while (*++(*argv))
+ switch (**argv) {
+ case 'R':
+ case 'r':
+ recursiveFlag = TRUE;
+ break;
+ case 'f':
+ forceFlag = TRUE;
+ break;
+ default:
+ usage(rm_usage);
+ }
+ argc--;
+ argv++;
}
- else {
- if (recursiveAction( srcName, recursiveFlag, FALSE,
- TRUE, fileAction, dirAction) == FALSE) {
- exit( FALSE);
- }
+
+ while (argc-- > 0) {
+ srcName = *(argv++);
+ if (forceFlag == TRUE && lstat(srcName, &statbuf) != 0
+ && errno == ENOENT) {
+ /* do not reports errors for non-existent files if -f, just skip them */
+ } else {
+ if (recursiveAction(srcName, recursiveFlag, FALSE,
+ TRUE, fileAction, dirAction) == FALSE) {
+ exit(FALSE);
+ }
+ }
}
- }
- exit( TRUE);
+ exit(TRUE);
}