iomenu

interactive text selection menu
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commit b95967e4d0296ca835ced868042b837f840d8019
parent fff2395e59b4a9b4b6a59e7c32345abde0209230
Author: Josuah Demangeon <mail@josuah.net>
Date:   Thu, 13 Apr 2017 12:51:48 +0200

adding the mighty stest.c from dmenu

Diffstat:
M.gitignore | 1+
MMakefile | 4++--
Astest.1 | 90+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Astest.c | 162+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
4 files changed, 255 insertions(+), 2 deletions(-)

diff --git a/.gitignore b/.gitignore @@ -1 +1,2 @@ iomenu +stest diff --git a/Makefile b/Makefile @@ -1,7 +1,7 @@ CFLAGS = -std=c99 -Wpedantic -Wall -Wextra -g # -static OBJ = ${SRC:.c=.o} -all: clean iomenu +all: clean iomenu stest clean: rm -f iomenu ${OBJ} @@ -9,4 +9,4 @@ clean: install: iomenu mkdir -p $(PREFIX)/bin $(PREFIX)/man/man1 cp *.1 $(PREFIX)/man/man1/ - cp iomenu $(PREFIX)/bin/ + cp iomenu stest $(PREFIX)/bin/ diff --git a/stest.1 b/stest.1 @@ -0,0 +1,90 @@ +.TH STEST 1 dmenu\-VERSION +.SH NAME +stest \- filter a list of files by properties +.SH SYNOPSIS +.B stest +.RB [ -abcdefghlpqrsuwx ] +.RB [ -n +.IR file ] +.RB [ -o +.IR file ] +.RI [ file ...] +.SH DESCRIPTION +.B stest +takes a list of files and filters by the files' properties, analogous to +.IR test (1). +Files which pass all tests are printed to stdout. If no files are given, stest +reads files from stdin. +.SH OPTIONS +.TP +.B \-a +Test hidden files. +.TP +.B \-b +Test that files are block specials. +.TP +.B \-c +Test that files are character specials. +.TP +.B \-d +Test that files are directories. +.TP +.B \-e +Test that files exist. +.TP +.B \-f +Test that files are regular files. +.TP +.B \-g +Test that files have their set-group-ID flag set. +.TP +.B \-h +Test that files are symbolic links. +.TP +.B \-l +Test the contents of a directory given as an argument. +.TP +.BI \-n " file" +Test that files are newer than +.IR file . +.TP +.BI \-o " file" +Test that files are older than +.IR file . +.TP +.B \-p +Test that files are named pipes. +.TP +.B \-q +No files are printed, only the exit status is returned. +.TP +.B \-r +Test that files are readable. +.TP +.B \-s +Test that files are not empty. +.TP +.B \-u +Test that files have their set-user-ID flag set. +.TP +.B \-v +Invert the sense of tests, only failing files pass. +.TP +.B \-w +Test that files are writable. +.TP +.B \-x +Test that files are executable. +.SH EXIT STATUS +.TP +.B 0 +At least one file passed all tests. +.TP +.B 1 +No files passed all tests. +.TP +.B 2 +An error occurred. +.SH SEE ALSO +.IR dmenu (1), +.IR test (1) diff --git a/stest.c b/stest.c @@ -0,0 +1,162 @@ +/* MIT/X Consortium License + * + * copyright (c) 2006-2014 Anselm R Garbe <anselm@garbe.us> + * copyright (c) 2010-2012 Connor Lane Smith <cls@lubutu.com> + * copyright (c) 2009 Gottox <gottox@s01.de> + * copyright (c) 2009 Markus Schnalke <meillo@marmaro.de> + * copyright (c) 2009 Evan Gates <evan.gates@gmail.com> + * copyright (c) 2006-2008 Sander van Dijk <a dot h dot vandijk at gmail dot com> + * copyright (c) 2006-2007 MichaƂ Janeczek <janeczek at gmail dot com> + * copyright (c) 2014-2015 Hiltjo Posthuma <hiltjo@codemadness.org> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#define _POSIX_C_SOURCE 200809L + +#include <sys/stat.h> + +#include <dirent.h> +#include <limits.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +static char *argv0; + +#define FLAG(x) (flag[(x)-'a']) + +static void test(const char *, const char *); +static void usage(void); + +static int match = 0; +static int flag[26]; +static struct stat old, new; + +static void +test(const char *path, const char *name) +{ + struct stat st, ln; + + if ((!stat(path, &st) && (FLAG('a') || name[0] != '.') /* hidden files */ + && (!FLAG('b') || S_ISBLK(st.st_mode)) /* block special */ + && (!FLAG('c') || S_ISCHR(st.st_mode)) /* character special */ + && (!FLAG('d') || S_ISDIR(st.st_mode)) /* directory */ + && (!FLAG('e') || access(path, F_OK) == 0) /* exists */ + && (!FLAG('f') || S_ISREG(st.st_mode)) /* regular file */ + && (!FLAG('g') || st.st_mode & S_ISGID) /* set-group-id flag */ + && (!FLAG('h') || (!lstat(path, &ln) && S_ISLNK(ln.st_mode))) /* symbolic link */ + && (!FLAG('n') || st.st_mtime > new.st_mtime) /* newer than file */ + && (!FLAG('o') || st.st_mtime < old.st_mtime) /* older than file */ + && (!FLAG('p') || S_ISFIFO(st.st_mode)) /* named pipe */ + && (!FLAG('r') || access(path, R_OK) == 0) /* readable */ + && (!FLAG('s') || st.st_size > 0) /* not empty */ + && (!FLAG('u') || st.st_mode & S_ISUID) /* set-user-id flag */ + && (!FLAG('w') || access(path, W_OK) == 0) /* writable */ + && (!FLAG('x') || access(path, X_OK) == 0)) != FLAG('v')) { /* executable */ + if (FLAG('q')) + exit(0); + match = 1; + puts(name); + } +} + +static void +usage(void) +{ + fprintf(stderr, "usage: %s [-abcdefghlpqrsuvwx] " + "[-n file] [-o file] [file...]\n", argv0); + exit(2); /* like test(1) return > 1 on error */ +} + +int +main(int argc, char *argv[]) +{ + struct dirent *d; + char path[PATH_MAX], *line = NULL, *file; + size_t linesiz = 0; + ssize_t n; + DIR *dir; + int r; + + for ( + argv0 = *argv, argv++, argc--; + argv[0] && argv[0][0] == '-' && argv[0][1]; + argv++, argc-- + ) { + int brk = 0; + + if (argv[0][1] == '-' && argv[0][2] == '\0') { + argv++, argc--; + break; + } + + for (argv[0]++; !brk && argv[0][0]; argv[0]++) { + char f = argv[0][1]; + + switch (f) { + + case 'n': /* newer than file */ + case 'o': /* older than file */ + if (argv[0][1] == '\0' && argv[1] == NULL) + usage(); + + file = (brk = 1, (argv[0][1] != '\0') ? + (&argv[0][1]) : (argc--, argv++, argv[0])); + + if (!(FLAG(f) = !stat(file, (f == 'n' ? &new : &old)))) + perror(file); + break; + default: + /* miscellaneous operators */ + if (strchr("abcdefghlpqrsuvwx", f)) + FLAG(f) = 1; + else + usage(); /* unknown flag */ + } + } + } + + if (!argc) { + /* read list from stdin */ + while ((n = getline(&line, &linesiz, stdin)) > 0) { + if (n && line[n - 1] == '\n') + line[n - 1] = '\0'; + test(line, line); + } + free(line); + } else { + for (; argc; argc--, argv++) { + if (FLAG('l') && (dir = opendir(*argv))) { + /* test directory contents */ + while ((d = readdir(dir))) { + r = snprintf(path, sizeof path, "%s/%s", + *argv, d->d_name); + if (r >= 0 && (size_t)r < sizeof path) + test(path, d->d_name); + } + closedir(dir); + } else { + test(*argv, *argv); + } + } + } + return match ? 0 : 1; +}