dmenu

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commit bb4424df072332243890714b055e978a5c70adf3
parent 8ac44eb75a3e2190aa7b89548956b2de33c5a6ce
Author: Connor Lane Smith <cls@lubutu.com>
Date:   Sat, 19 Nov 2011 19:54:55 +0100

replace lsx with stest
Diffstat:
MMakefile | 24++++++++++++------------
Mconfig.mk | 2+-
Mdmenu_run | 6++++--
Dlsx.1 | 11-----------
Dlsx.c | 43-------------------------------------------
Astest.1 | 87+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Astest.c | 85+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
7 files changed, 189 insertions(+), 69 deletions(-)

diff --git a/Makefile b/Makefile @@ -3,10 +3,10 @@ include config.mk -SRC = dmenu.c draw.c lsx.c +SRC = dmenu.c draw.c stest.c OBJ = ${SRC:.c=.o} -all: options dmenu lsx +all: options dmenu stest options: @echo dmenu build options: @@ -24,18 +24,18 @@ dmenu: dmenu.o draw.o @echo CC -o $@ @${CC} -o $@ dmenu.o draw.o ${LDFLAGS} -lsx: lsx.o +stest: stest.o @echo CC -o $@ - @${CC} -o $@ lsx.o ${LDFLAGS} + @${CC} -o $@ stest.o ${LDFLAGS} clean: @echo cleaning - @rm -f dmenu lsx ${OBJ} dmenu-${VERSION}.tar.gz + @rm -f dmenu stest ${OBJ} dmenu-${VERSION}.tar.gz dist: clean @echo creating dist tarball @mkdir -p dmenu-${VERSION} - @cp LICENSE Makefile README config.mk dmenu.1 draw.h dmenu_run lsx.1 ${SRC} dmenu-${VERSION} + @cp LICENSE Makefile README config.mk dmenu.1 draw.h dmenu_run stest.1 ${SRC} dmenu-${VERSION} @tar -cf dmenu-${VERSION}.tar dmenu-${VERSION} @gzip dmenu-${VERSION}.tar @rm -rf dmenu-${VERSION} @@ -43,24 +43,24 @@ dist: clean install: all @echo installing executables to ${DESTDIR}${PREFIX}/bin @mkdir -p ${DESTDIR}${PREFIX}/bin - @cp -f dmenu dmenu_run lsx ${DESTDIR}${PREFIX}/bin + @cp -f dmenu dmenu_run stest ${DESTDIR}${PREFIX}/bin @chmod 755 ${DESTDIR}${PREFIX}/bin/dmenu @chmod 755 ${DESTDIR}${PREFIX}/bin/dmenu_run - @chmod 755 ${DESTDIR}${PREFIX}/bin/lsx + @chmod 755 ${DESTDIR}${PREFIX}/bin/stest @echo installing manual pages to ${DESTDIR}${MANPREFIX}/man1 @mkdir -p ${DESTDIR}${MANPREFIX}/man1 @sed "s/VERSION/${VERSION}/g" < dmenu.1 > ${DESTDIR}${MANPREFIX}/man1/dmenu.1 - @sed "s/VERSION/${VERSION}/g" < lsx.1 > ${DESTDIR}${MANPREFIX}/man1/lsx.1 + @sed "s/VERSION/${VERSION}/g" < stest.1 > ${DESTDIR}${MANPREFIX}/man1/stest.1 @chmod 644 ${DESTDIR}${MANPREFIX}/man1/dmenu.1 - @chmod 644 ${DESTDIR}${MANPREFIX}/man1/lsx.1 + @chmod 644 ${DESTDIR}${MANPREFIX}/man1/stest.1 uninstall: @echo removing executables from ${DESTDIR}${PREFIX}/bin @rm -f ${DESTDIR}${PREFIX}/bin/dmenu @rm -f ${DESTDIR}${PREFIX}/bin/dmenu_run - @rm -f ${DESTDIR}${PREFIX}/bin/lsx + @rm -f ${DESTDIR}${PREFIX}/bin/stest @echo removing manual page from ${DESTDIR}${MANPREFIX}/man1 @rm -f ${DESTDIR}${MANPREFIX}/man1/dmenu.1 - @rm -f ${DESTDIR}${MANPREFIX}/man1/lsx.1 + @rm -f ${DESTDIR}${MANPREFIX}/man1/stest.1 .PHONY: all options clean dist install uninstall diff --git a/config.mk b/config.mk @@ -17,7 +17,7 @@ INCS = -I${X11INC} LIBS = -L${X11LIB} -lX11 ${XINERAMALIBS} # flags -CPPFLAGS = -D_BSD_SOURCE -DVERSION=\"${VERSION}\" ${XINERAMAFLAGS} +CPPFLAGS = -D_BSD_SOURCE -D_POSIX_C_SOURCE=2 -DVERSION=\"${VERSION}\" ${XINERAMAFLAGS} CFLAGS = -ansi -pedantic -Wall -Os ${INCS} ${CPPFLAGS} LDFLAGS = -s ${LIBS} diff --git a/dmenu_run b/dmenu_run @@ -5,8 +5,10 @@ if [ ! -d "`dirname "$CACHE"`" ]; then fi ( IFS=: - if [ "`ls -dt $PATH "$CACHE" | head -n 1`" != "$CACHE" ]; then - lsx $PATH | sort -u > "$CACHE" + if ls -d $PATH | stest -q -n "$CACHE"; then + for dir in $PATH; do + ls $dir | stest -C $dir -fx + done | sort -u > "$CACHE" fi ) cmd=`dmenu "$@" < "$CACHE"` && exec sh -c "$cmd" diff --git a/lsx.1 b/lsx.1 @@ -1,11 +0,0 @@ -.TH LSX 1 dmenu\-VERSION -.SH NAME -lsx \- list executables -.SH SYNOPSIS -.B lsx -.RI [ directory ...] -.SH DESCRIPTION -.B lsx -lists the executables in each -.IR directory . -If none are given the current working directory is used. diff --git a/lsx.c b/lsx.c @@ -1,43 +0,0 @@ -/* See LICENSE file for copyright and license details. */ -#include <dirent.h> -#include <errno.h> -#include <limits.h> -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> -#include <sys/stat.h> - -static void lsx(const char *dir); - -static int status = EXIT_SUCCESS; - -int -main(int argc, char *argv[]) { - int i; - - if(argc < 2) - lsx("."); - else for(i = 1; i < argc; i++) - lsx(argv[i]); - return status; -} - -void -lsx(const char *dir) { - char buf[PATH_MAX]; - struct dirent *d; - struct stat st; - DIR *dp; - - for(dp = opendir(dir); dp && (d = readdir(dp)); errno = 0) - if(snprintf(buf, sizeof buf, "%s/%s", dir, d->d_name) < (int)sizeof buf - && access(buf, X_OK) == 0 && stat(buf, &st) == 0 && S_ISREG(st.st_mode)) - puts(d->d_name); - - if(errno != 0) { - status = EXIT_FAILURE; - perror(dir); - } - if(dp) - closedir(dp); -} diff --git a/stest.1 b/stest.1 @@ -0,0 +1,87 @@ +.TH STEST 1 dmenu\-VERSION +.SH NAME +stest \- filter a list of files by properties +.SH SYNOPSIS +.B stest +.RB [ -bcdefghpqrsuwx ] +.RB [ -C +.IR dir ] +.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 as +arguments, stest will read a list of files from stdin, one path per line. +.SH OPTIONS +.TP +.BI \-C " dir" +Tests files relative to directory +.IR dir . +.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 +.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 \-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 +1,85 @@ +/* See LICENSE file for copyright and license details. */ +#include <stdbool.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <sys/stat.h> + +#define OPER(x) (oper[(x)-'a']) + +static bool test(const char *); + +static bool quiet = false; +static bool oper[26]; +static struct stat old, new; + +int +main(int argc, char *argv[]) { + char buf[BUFSIZ], *p; + bool match = false; + int opt; + + while((opt = getopt(argc, argv, "C:bcdefghn:o:pqrsuwx")) != -1) + switch(opt) { + case 'C': /* tests relative to directory */ + if(chdir(optarg) == -1) { + perror(optarg); + exit(2); + } + break; + case 'n': /* newer than file */ + case 'o': /* older than file */ + if(!(OPER(opt) = stat(optarg, (opt == 'n' ? &new : &old)) == 0)) + perror(optarg); + break; + case 'q': /* quiet (no output, just status) */ + quiet = true; + break; + default: /* miscellaneous operators */ + OPER(opt) = true; + break; + case '?': /* error: unknown flag */ + fprintf(stderr, "usage: %s [-bcdefghpqrsuwx] [-C dir] [-n file] [-o file] [file...]\n", argv[0]); + exit(2); + } + if(optind == argc) + while(fgets(buf, sizeof buf, stdin)) { + if(*(p = &buf[strlen(buf)-1]) == '\n') + *p = '\0'; + match |= test(buf); + } + else + while(optind < argc) + match |= test(argv[optind++]); + + return match ? 0 : 1; +} + +bool +test(const char *path) { + struct stat st; + + if((!OPER('b') || (stat(path, &st) == 0 && S_ISBLK(st.st_mode))) /* block special */ + && (!OPER('c') || (stat(path, &st) == 0 && S_ISCHR(st.st_mode))) /* character special */ + && (!OPER('d') || (stat(path, &st) == 0 && S_ISDIR(st.st_mode))) /* directory */ + && (!OPER('e') || (access(path, F_OK) == 0)) /* exists */ + && (!OPER('f') || (stat(path, &st) == 0 && S_ISREG(st.st_mode))) /* regular file */ + && (!OPER('g') || (stat(path, &st) == 0 && (st.st_mode & S_ISGID))) /* set-group-id flag */ + && (!OPER('h') || (lstat(path, &st) == 0 && S_ISLNK(st.st_mode))) /* symbolic link */ + && (!OPER('n') || (stat(path, &st) == 0 && st.st_mtime > new.st_mtime)) /* newer than file */ + && (!OPER('o') || (stat(path, &st) == 0 && st.st_mtime < old.st_mtime)) /* older than file */ + && (!OPER('p') || (stat(path, &st) == 0 && S_ISFIFO(st.st_mode))) /* named pipe */ + && (!OPER('r') || (access(path, R_OK) == 0)) /* readable */ + && (!OPER('s') || (stat(path, &st) == 0 && st.st_size > 0)) /* not empty */ + && (!OPER('u') || (stat(path, &st) == 0 && (st.st_mode & S_ISUID))) /* set-user-id flag */ + && (!OPER('w') || (access(path, W_OK) == 0)) /* writable */ + && (!OPER('x') || (access(path, X_OK) == 0))) { /* executable */ + if(quiet) + exit(0); + puts(path); + return true; + } + else + return false; +}