busybox/monadic.c
1999-10-05 16:24:54 +00:00

127 lines
2.3 KiB
C

#include "internal.h"
#include <stdio.h>
#include <string.h>
#include <grp.h>
extern int
monadic_main(
struct FileInfo * i
,int argc
,char * * argv)
{
int status = 0;
while ( argc > 1 && argv[1][0] == '-' ) {
switch ( argv[1][1] ) {
case 'c':
i->create = 1;
break;
case 'f':
i->force = 1;
break;
case 'g':
if ( argc > 2 ) {
struct group * g;
if ( (g = getgrnam(argv[2])) == 0 ) {
fprintf(stderr, "%s: no such group.\n", argv[1]);
return 1;
}
i->groupID = g->gr_gid;
i->changeGroupID = 1;
i->complainInPostProcess = 1;
argc--;
argv++;
break;
}
usage(i->applet->usage);
return 1;
case 'm':
if ( argc > 2 ) {
status = parse_mode(
argv[2]
,&i->orWithMode
,&i->andWithMode, 0);
if ( status == 0 ) {
i->changeMode = 1;
i->complainInPostProcess = 1;
argc--;
argv++;
break;
}
}
usage(i->applet->usage);
return 1;
case 'o':
if ( argc > 2 ) {
status = parse_user_name(argv[2], i);
if ( status != 0 )
return status;
i->changeUserID = 1;
i->complainInPostProcess = 1;
argc--;
argv++;
break;
}
usage(i->applet->usage);
return 1;
case 'p':
i->makeParentDirectories = 1;
break;
case 'r':
case 'R':
i->recursive = 1;
break;
case 's':
i->makeSymbolicLink = 1;
break;
default:
usage(i->applet->usage);
return 1;
}
argv++;
argc--;
}
while ( argc > 1 ) {
char * slash;
i->source = argv[1];
if ( (slash = strrchr(i->source, '/')) != 0 ) {
i->directoryLength = slash - i->source;
if ( i->source[i->directoryLength] == '\0' )
i->directoryLength = 0;
}
else
i->directoryLength = 0;
if ( !i->dyadic )
i->destination = i->source;
if ( lstat(i->source, &i->stat) == 0 ) {
i->isSymbolicLink = (i->stat.st_mode & S_IFMT)==S_IFLNK;
if ( i->isSymbolicLink )
if ( stat(i->source, &i->stat) != 0 )
memset(&i->stat, 0, sizeof(i->stat));
}
else
memset(&i->stat, 0, sizeof(i->stat));
if ( i->isSymbolicLink
|| !i->recursive
|| ((i->stat.st_mode & S_IFMT) != S_IFDIR) ) {
if ( i->applet->function )
status = i->applet->function(i);
if ( status == 0 )
status = post_process(i);
}
else
status = descend(i, i->applet->function);
if ( status != 0 && !i->force )
return status;
argv++;
argc--;
}
return 0;
}