stest: get rid of getopt, use suckless arg.h
... also some style improvements.
This commit is contained in:
Hiltjo Posthuma
parent
5feb0c689d
commit
d6742ef8a6
6
Makefile
6
Makefile
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@ -22,7 +22,7 @@ config.h:
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@echo creating $@ from config.def.h
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@cp config.def.h $@
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${OBJ}: config.h config.mk drw.h
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${OBJ}: arg.h config.h config.mk drw.h
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dmenu: dmenu.o drw.o util.o
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@echo CC -o $@
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@ -39,8 +39,8 @@ clean:
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dist: clean
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@echo creating dist tarball
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@mkdir -p dmenu-${VERSION}
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@cp LICENSE Makefile README config.mk dmenu.1 drw.h util.h dmenu_path \
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dmenu_run stest.1 ${SRC} dmenu-${VERSION}
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@cp LICENSE Makefile README arg.h config.mk dmenu.1 drw.h util.h \
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dmenu_path dmenu_run stest.1 ${SRC} dmenu-${VERSION}
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@tar -cf dmenu-${VERSION}.tar dmenu-${VERSION}
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@gzip dmenu-${VERSION}.tar
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@rm -rf dmenu-${VERSION}
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63
arg.h
Normal file
63
arg.h
Normal file
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@ -0,0 +1,63 @@
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/*
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* Copy me if you can.
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* by 20h
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*/
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#ifndef ARG_H__
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#define ARG_H__
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extern char *argv0;
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/* use main(int argc, char *argv[]) */
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#define ARGBEGIN for (argv0 = *argv, argv++, argc--;\
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argv[0] && argv[0][1]\
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&& argv[0][0] == '-';\
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argc--, argv++) {\
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char argc_;\
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char **argv_;\
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int brk_;\
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if (argv[0][1] == '-' && argv[0][2] == '\0') {\
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argv++;\
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argc--;\
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break;\
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}\
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for (brk_ = 0, argv[0]++, argv_ = argv;\
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argv[0][0] && !brk_;\
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argv[0]++) {\
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if (argv_ != argv)\
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break;\
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argc_ = argv[0][0];\
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switch (argc_)
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/* Handles obsolete -NUM syntax */
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#define ARGNUM case '0':\
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case '1':\
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case '2':\
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case '3':\
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case '4':\
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case '5':\
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case '6':\
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case '7':\
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case '8':\
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case '9'
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#define ARGEND }\
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}
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#define ARGC() argc_
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#define ARGNUMF(base) (brk_ = 1, estrtol(argv[0], (base)))
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#define EARGF(x) ((argv[0][1] == '\0' && argv[1] == NULL)?\
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((x), abort(), (char *)0) :\
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(brk_ = 1, (argv[0][1] != '\0')?\
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(&argv[0][1]) :\
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(argc--, argv++, argv[0])))
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#define ARGF() ((argv[0][1] == '\0' && argv[1] == NULL)?\
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(char *)0 :\
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(brk_ = 1, (argv[0][1] != '\0')?\
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(&argv[0][1]) :\
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(argc--, argv++, argv[0])))
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#endif
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125
stest.c
125
stest.c
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@ -1,66 +1,31 @@
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/* See LICENSE file for copyright and license details. */
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#include <sys/stat.h>
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#include <dirent.h>
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#include <stdbool.h>
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#include <limits.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/stat.h>
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#include "arg.h"
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char *argv0;
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#define FLAG(x) (flag[(x)-'a'])
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static void test(const char *, const char *);
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static void usage(void);
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static bool match = false;
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static bool flag[26];
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static int match = 0;
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static int flag[26];
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static struct stat old, new;
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int
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main(int argc, char *argv[]) {
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struct dirent *d;
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char buf[BUFSIZ], *p;
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DIR *dir;
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int opt;
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while((opt = getopt(argc, argv, "abcdefghln:o:pqrsuvwx")) != -1)
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switch(opt) {
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case 'n': /* newer than file */
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case 'o': /* older than file */
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if(!(FLAG(opt) = !stat(optarg, (opt == 'n' ? &new : &old))))
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perror(optarg);
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break;
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default: /* miscellaneous operators */
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FLAG(opt) = true;
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break;
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case '?': /* error: unknown flag */
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fprintf(stderr, "usage: %s [-abcdefghlpqrsuvwx] [-n file] [-o file] [file...]\n", argv[0]);
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exit(2);
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}
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if(optind == argc)
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while(fgets(buf, sizeof buf, stdin)) {
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if((p = strchr(buf, '\n')))
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*p = '\0';
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test(buf, buf);
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}
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for(; optind < argc; optind++)
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if(FLAG('l') && (dir = opendir(argv[optind]))) {
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/* test directory contents */
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while((d = readdir(dir)))
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if(snprintf(buf, sizeof buf, "%s/%s", argv[optind], d->d_name) < sizeof buf)
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test(buf, d->d_name);
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closedir(dir);
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}
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else
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test(argv[optind], argv[optind]);
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return match ? 0 : 1;
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}
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void
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test(const char *path, const char *name) {
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static void
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test(const char *path, const char *name)
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{
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struct stat st, ln;
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if((!stat(path, &st) && (FLAG('a') || name[0] != '.') /* hidden files */
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if ((!stat(path, &st) && (FLAG('a') || name[0] != '.') /* hidden files */
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&& (!FLAG('b') || S_ISBLK(st.st_mode)) /* block special */
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&& (!FLAG('c') || S_ISCHR(st.st_mode)) /* character special */
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&& (!FLAG('d') || S_ISDIR(st.st_mode)) /* directory */
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@ -76,9 +41,69 @@ test(const char *path, const char *name) {
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&& (!FLAG('u') || st.st_mode & S_ISUID) /* set-user-id flag */
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&& (!FLAG('w') || access(path, W_OK) == 0) /* writable */
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&& (!FLAG('x') || access(path, X_OK) == 0)) != FLAG('v')) { /* executable */
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if(FLAG('q'))
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if (FLAG('q'))
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exit(0);
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match = true;
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match = 1;
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puts(name);
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}
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}
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static void
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usage(void)
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{
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fprintf(stderr, "usage: %s [-abcdefghlpqrsuvwx] "
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"[-n file] [-o file] [file...]\n", argv0);
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exit(2); /* like test(1) return > 1 on error */
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}
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int
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main(int argc, char *argv[])
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{
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struct dirent *d;
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char path[PATH_MAX], *line = NULL, *file;
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size_t linesiz = 0;
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ssize_t n;
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DIR *dir;
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int r;
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ARGBEGIN {
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case 'n': /* newer than file */
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case 'o': /* older than file */
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file = EARGF(usage());
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if (!(FLAG(ARGC()) = !stat(file, (ARGC() == 'n' ? &new : &old))))
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perror(file);
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break;
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default:
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/* miscellaneous operators */
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if (strchr("abcdefghlpqrsuvwx", ARGC()))
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FLAG(ARGC()) = 1;
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else
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usage(); /* unknown flag */
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} ARGEND;
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if (!argc) {
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/* read list from stdin */
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while ((n = getline(&line, &linesiz, stdin)) > 0) {
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if (n && line[n - 1] == '\n')
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line[n - 1] = '\0';
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test(line, line);
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}
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free(line);
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} else {
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for (; argc; argc--, argv++) {
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if (FLAG('l') && (dir = opendir(*argv))) {
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/* test directory contents */
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while ((d = readdir(dir))) {
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r = snprintf(path, sizeof path, "%s/%s",
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*argv, d->d_name);
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if (r >= 0 && (size_t)r < sizeof path)
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test(path, d->d_name);
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}
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closedir(dir);
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} else {
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test(*argv, *argv);
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}
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}
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}
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return match ? 0 : 1;
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}
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