tstest: get rid of getopt, use suckless arg.h - dmenu - Dmenu fork with xft fonts.
(HTM) git clone git://r-36.net/dmenu
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(DIR) README
(DIR) LICENSE
---
(DIR) commit d6742ef8a6ce03f28ee9431ef51901ef712ffd76
(DIR) parent 5feb0c689dd815a31d48e2007b364057f6fec773
(HTM) Author: Hiltjo Posthuma <hiltjo@codemadness.org>
Date: Sun, 19 Jul 2015 21:34:51 +0200
stest: get rid of getopt, use suckless arg.h
... also some style improvements.
Diffstat:
Makefile | 6 +++---
arg.h | 63 +++++++++++++++++++++++++++++++
stest.c | 125 +++++++++++++++++++-------------
3 files changed, 141 insertions(+), 53 deletions(-)
---
(DIR) diff --git a/Makefile b/Makefile
t@@ -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 $@
t@@ -39,8 +39,8 @@ clean:
dist: clean
@echo creating dist tarball
@mkdir -p dmenu-${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}
(DIR) diff --git a/arg.h b/arg.h
t@@ -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
(DIR) diff --git a/stest.c b/stest.c
t@@ -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 */
t@@ -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;
+}