diff options
Diffstat (limited to 'rm.c')
-rw-r--r-- | rm.c | 102 |
1 files changed, 52 insertions, 50 deletions
@@ -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); } |