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dmenu
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stest: get rid of getopt, use suckless arg.h 

... also some style improvements.
This commit is contained in:
Hiltjo Posthuma 2015-07-19 21:34:51 +02:00
parent 5feb0c689d
commit d6742ef8a6
3 changed files with 141 additions and 53 deletions
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6
Makefile
View File

@ -22,7 +22,7 @@ config.h:
@echo creating $@ from config.def.h
@cp config.def.h $@
${OBJ}: config.h config.mk drw.h
${OBJ}: arg.h config.h config.mk drw.h
dmenu: dmenu.o drw.o util.o
@echo CC -o $@
@ -39,8 +39,8 @@ clean:
dist: clean
@echo creating dist tarball
@mkdir -p dmenu-${VERSION}
@cp LICENSE Makefile README config.mk dmenu.1 drw.h util.h dmenu_path \
dmenu_run stest.1 ${SRC} dmenu-${VERSION}
@cp LICENSE Makefile README arg.h config.mk dmenu.1 drw.h util.h \
dmenu_path dmenu_run stest.1 ${SRC} dmenu-${VERSION}
@tar -cf dmenu-${VERSION}.tar dmenu-${VERSION}
@gzip dmenu-${VERSION}.tar
@rm -rf dmenu-${VERSION}

63
arg.h Normal file
View File

@ -0,0 +1,63 @@
/*
* Copy me if you can.
* by 20h
*/
#ifndef ARG_H__
#define ARG_H__
extern char *argv0;
/* use main(int argc, char *argv[]) */
#define ARGBEGIN for (argv0 = *argv, argv++, argc--;\
argv[0] && argv[0][1]\
&& argv[0][0] == '-';\
argc--, argv++) {\
char argc_;\
char **argv_;\
int brk_;\
if (argv[0][1] == '-' && argv[0][2] == '\0') {\
argv++;\
argc--;\
break;\
}\
for (brk_ = 0, argv[0]++, argv_ = argv;\
argv[0][0] && !brk_;\
argv[0]++) {\
if (argv_ != argv)\
break;\
argc_ = argv[0][0];\
switch (argc_)
/* Handles obsolete -NUM syntax */
#define ARGNUM case '0':\
case '1':\
case '2':\
case '3':\
case '4':\
case '5':\
case '6':\
case '7':\
case '8':\
case '9'
#define ARGEND }\
}
#define ARGC() argc_
#define ARGNUMF(base) (brk_ = 1, estrtol(argv[0], (base)))
#define EARGF(x) ((argv[0][1] == '\0' && argv[1] == NULL)?\
((x), abort(), (char *)0) :\
(brk_ = 1, (argv[0][1] != '\0')?\
(&argv[0][1]) :\
(argc--, argv++, argv[0])))
#define ARGF() ((argv[0][1] == '\0' && argv[1] == NULL)?\
(char *)0 :\
(brk_ = 1, (argv[0][1] != '\0')?\
(&argv[0][1]) :\
(argc--, argv++, argv[0])))
#endif

125
stest.c
View File

@ -1,66 +1,31 @@
/* See LICENSE file for copyright and license details. */
#include <sys/stat.h>
#include <dirent.h>
#include <stdbool.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/stat.h>
#include "arg.h"
char *argv0;
#define FLAG(x) (flag[(x)-'a'])
static void test(const char *, const char *);
static void usage(void);
static bool match = false;
static bool flag[26];
static int match = 0;
static int flag[26];
static struct stat old, new;
int
main(int argc, char *argv[]) {
struct dirent *d;
char buf[BUFSIZ], *p;
DIR *dir;
int opt;
while((opt = getopt(argc, argv, "abcdefghln:o:pqrsuvwx")) != -1)
switch(opt) {
case 'n': /* newer than file */
case 'o': /* older than file */
if(!(FLAG(opt) = !stat(optarg, (opt == 'n' ? &new : &old))))
perror(optarg);
break;
default: /* miscellaneous operators */
FLAG(opt) = true;
break;
case '?': /* error: unknown flag */
fprintf(stderr, "usage: %s [-abcdefghlpqrsuvwx] [-n file] [-o file] [file...]\n", argv[0]);
exit(2);
}
if(optind == argc)
while(fgets(buf, sizeof buf, stdin)) {
if((p = strchr(buf, '\n')))
*p = '\0';
test(buf, buf);
}
for(; optind < argc; optind++)
if(FLAG('l') && (dir = opendir(argv[optind]))) {
/* test directory contents */
while((d = readdir(dir)))
if(snprintf(buf, sizeof buf, "%s/%s", argv[optind], d->d_name) < sizeof buf)
test(buf, d->d_name);
closedir(dir);
}
else
test(argv[optind], argv[optind]);
return match ? 0 : 1;
}
void
test(const char *path, const char *name) {
static void
test(const char *path, const char *name)
{
struct stat st, ln;
if((!stat(path, &st) && (FLAG('a') || name[0] != '.') /* hidden files */
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 */
@ -76,9 +41,69 @@ test(const char *path, const char *name) {
&& (!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'))
if (FLAG('q'))
exit(0);
match = true;
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;
ARGBEGIN {
case 'n': /* newer than file */
case 'o': /* older than file */
file = EARGF(usage());
if (!(FLAG(ARGC()) = !stat(file, (ARGC() == 'n' ? &new : &old))))
perror(file);
break;
default:
/* miscellaneous operators */
if (strchr("abcdefghlpqrsuvwx", ARGC()))
FLAG(ARGC()) = 1;
else
usage(); /* unknown flag */
} ARGEND;
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;
}