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Use getopt()

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This commit is contained in:
Hallvard Furuseth 2009-11-29 09:59:22 +00:00
parent 0f86c2e8eb
commit c562508af3
1 changed files with 21 additions and 6 deletions
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27
tests/progs/ldif-filter.c
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@ -20,6 +20,7 @@
#include <ac/ctype.h> #include <ac/ctype.h>
#include <ac/stdlib.h> #include <ac/stdlib.h>
#include <ac/string.h> #include <ac/string.h>
#include <ac/unistd.h>
#define DEFAULT_SPECS "ndb=a,null=n" #define DEFAULT_SPECS "ndb=a,null=n"
@ -37,7 +38,7 @@ static void
usage( void ) usage( void )
{ {
fprintf( stderr, "\ fprintf( stderr, "\
Usage: %s [backend] [spec[,spec]...]\n\ Usage: %s [-b backend] [-s spec[,spec]...]\n\
Filter standard input by first <spec> matching '[<backend>]=[a][e][n]':\n\ Filter standard input by first <spec> matching '[<backend>]=[a][e][n]':\n\
- Remove LDIF comments.\n\ - Remove LDIF comments.\n\
- 'a': Sort attributes in entries.\n\ - 'a': Sort attributes in entries.\n\
@ -205,18 +206,32 @@ filter_stdin( unsigned flags )
int int
main( int argc, char **argv ) main( int argc, char **argv )
{ {
const char *backend, *specs, *tmp; const char *backend = getenv( "BACKEND" ), *specs = "", *tmp;
unsigned flags; unsigned flags;
int i;
if ( argc > 0 ) { if ( argc > 0 ) {
progname = (tmp = strrchr( argv[0], '/' )) ? tmp+1 : argv[0]; progname = (tmp = strrchr( argv[0], '/' )) ? tmp+1 : argv[0];
} }
specs = (argc > 1 && strchr( argv[argc-1], '=' )) ? argv[--argc] : "";
backend = (argc > 1 && isalnum( (unsigned char) *argv[argc-1] )) while ( (i = getopt( argc, argv, "b:s:" )) != EOF ) {
? argv[--argc] : (tmp = getenv( "BACKEND" )) ? tmp : ""; switch ( i ) {
if ( argc > 1 ) { case 'b':
backend = optarg;
break;
case 's':
specs = optarg;
break;
default:
usage();
}
}
if ( optind < argc ) {
usage(); usage();
} }
if ( backend == NULL ) {
backend = "";
}
flags = get_flags( backend, specs ); flags = get_flags( backend, specs );
filter_stdin( flags ? flags : get_flags( backend, DEFAULT_SPECS )); filter_stdin( flags ? flags : get_flags( backend, DEFAULT_SPECS ));