fast dmenu_path script
This commit is contained in:
parent
86468aafe5
commit
15505bd711
10
Makefile
10
Makefile
@ -3,7 +3,7 @@
|
|||||||
|
|
||||||
include config.mk
|
include config.mk
|
||||||
|
|
||||||
all: options dmenu dmenu_path
|
all: options dmenu
|
||||||
|
|
||||||
options:
|
options:
|
||||||
@echo dmenu build options:
|
@echo dmenu build options:
|
||||||
@ -15,22 +15,18 @@ dmenu: dmenu.o draw.o
|
|||||||
@echo CC -o $@
|
@echo CC -o $@
|
||||||
@${CC} -o $@ dmenu.o draw.o ${LDFLAGS}
|
@${CC} -o $@ dmenu.o draw.o ${LDFLAGS}
|
||||||
|
|
||||||
dmenu_path: dmenu_path.o
|
|
||||||
@echo CC -o $@
|
|
||||||
@${CC} -o $@ dmenu_path.o ${LDFLAGS}
|
|
||||||
|
|
||||||
.c.o: config.mk
|
.c.o: config.mk
|
||||||
@echo CC -c $<
|
@echo CC -c $<
|
||||||
@${CC} -c $< ${CFLAGS}
|
@${CC} -c $< ${CFLAGS}
|
||||||
|
|
||||||
clean:
|
clean:
|
||||||
@echo cleaning
|
@echo cleaning
|
||||||
@rm -f dmenu dmenu.o draw.o dmenu_path dmenu_path.o dmenu-${VERSION}.tar.gz
|
@rm -f dmenu dmenu.o draw.o dmenu-${VERSION}.tar.gz
|
||||||
|
|
||||||
dist: clean
|
dist: clean
|
||||||
@echo creating dist tarball
|
@echo creating dist tarball
|
||||||
@mkdir -p dmenu-${VERSION}
|
@mkdir -p dmenu-${VERSION}
|
||||||
@cp LICENSE Makefile README config.mk dmenu.1 dmenu.c draw.c draw.h dmenu_path.c dmenu_run dmenu-${VERSION}
|
@cp LICENSE Makefile README config.mk dmenu.1 dmenu.c draw.c draw.h dmenu_path dmenu_run dmenu-${VERSION}
|
||||||
@tar -cf dmenu-${VERSION}.tar dmenu-${VERSION}
|
@tar -cf dmenu-${VERSION}.tar dmenu-${VERSION}
|
||||||
@gzip dmenu-${VERSION}.tar
|
@gzip dmenu-${VERSION}.tar
|
||||||
@rm -rf dmenu-${VERSION}
|
@rm -rf dmenu-${VERSION}
|
||||||
|
2
dmenu.1
2
dmenu.1
@ -42,7 +42,7 @@ is a dmenu script used by dwm which lists programs in the user's PATH and
|
|||||||
executes the selected item.
|
executes the selected item.
|
||||||
.P
|
.P
|
||||||
.B dmenu_path
|
.B dmenu_path
|
||||||
is a program used by dmenu_run to find and cache a list of executables.
|
is a script used by dmenu_run to find and cache a list of executables.
|
||||||
.SH OPTIONS
|
.SH OPTIONS
|
||||||
.TP
|
.TP
|
||||||
.B \-b
|
.B \-b
|
||||||
|
9
dmenu_path
Executable file
9
dmenu_path
Executable file
@ -0,0 +1,9 @@
|
|||||||
|
#!/bin/sh
|
||||||
|
CACHE=$HOME/.dmenu_cache
|
||||||
|
IFS=:
|
||||||
|
|
||||||
|
if ! test -f "$CACHE" || find $PATH -type d -newer "$CACHE" | grep -q .; then
|
||||||
|
find $PATH -type f \( -perm -1 -o -perm -10 -o -perm -100 \) | sort -u > "$CACHE"
|
||||||
|
fi
|
||||||
|
|
||||||
|
cat "$CACHE"
|
100
dmenu_path.c
100
dmenu_path.c
@ -1,100 +0,0 @@
|
|||||||
/* See LICENSE file for copyright and license details. */
|
|
||||||
#include <dirent.h>
|
|
||||||
#include <limits.h>
|
|
||||||
#include <stdio.h>
|
|
||||||
#include <stdlib.h>
|
|
||||||
#include <string.h>
|
|
||||||
#include <unistd.h>
|
|
||||||
#include <sys/stat.h>
|
|
||||||
|
|
||||||
static void die(const char *s);
|
|
||||||
static int qstrcmp(const void *a, const void *b);
|
|
||||||
static void scan(void);
|
|
||||||
static int uptodate(void);
|
|
||||||
|
|
||||||
static char **items = NULL;
|
|
||||||
static const char *home, *path;
|
|
||||||
|
|
||||||
int
|
|
||||||
main(void) {
|
|
||||||
if(!(home = getenv("HOME")))
|
|
||||||
die("no $HOME");
|
|
||||||
if(!(path = getenv("PATH")))
|
|
||||||
die("no $PATH");
|
|
||||||
if(chdir(home) < 0)
|
|
||||||
die("chdir failed");
|
|
||||||
if(uptodate()) {
|
|
||||||
execl("/bin/cat", "cat", CACHE, NULL);
|
|
||||||
die("exec failed");
|
|
||||||
}
|
|
||||||
scan();
|
|
||||||
return EXIT_SUCCESS;
|
|
||||||
}
|
|
||||||
|
|
||||||
void
|
|
||||||
die(const char *s) {
|
|
||||||
fprintf(stderr, "dmenu_path: %s\n", s);
|
|
||||||
exit(EXIT_FAILURE);
|
|
||||||
}
|
|
||||||
|
|
||||||
int
|
|
||||||
qstrcmp(const void *a, const void *b) {
|
|
||||||
return strcmp(*(const char **)a, *(const char **)b);
|
|
||||||
}
|
|
||||||
|
|
||||||
void
|
|
||||||
scan(void) {
|
|
||||||
char buf[PATH_MAX];
|
|
||||||
char *dir, *p;
|
|
||||||
size_t i, count;
|
|
||||||
struct dirent *ent;
|
|
||||||
DIR *dp;
|
|
||||||
FILE *cache;
|
|
||||||
|
|
||||||
count = 0;
|
|
||||||
if(!(p = strdup(path)))
|
|
||||||
die("strdup failed");
|
|
||||||
for(dir = strtok(p, ":"); dir; dir = strtok(NULL, ":")) {
|
|
||||||
if(!(dp = opendir(dir)))
|
|
||||||
continue;
|
|
||||||
while((ent = readdir(dp))) {
|
|
||||||
snprintf(buf, sizeof buf, "%s/%s", dir, ent->d_name);
|
|
||||||
if(ent->d_name[0] == '.' || access(buf, X_OK) < 0)
|
|
||||||
continue;
|
|
||||||
if(!(items = realloc(items, ++count * sizeof *items)))
|
|
||||||
die("malloc failed");
|
|
||||||
if(!(items[count-1] = strdup(ent->d_name)))
|
|
||||||
die("strdup failed");
|
|
||||||
}
|
|
||||||
closedir(dp);
|
|
||||||
}
|
|
||||||
qsort(items, count, sizeof *items, qstrcmp);
|
|
||||||
if(!(cache = fopen(CACHE, "w")))
|
|
||||||
die("open failed");
|
|
||||||
for(i = 0; i < count; i++) {
|
|
||||||
if(i > 0 && !strcmp(items[i], items[i-1]))
|
|
||||||
continue;
|
|
||||||
fprintf(cache, "%s\n", items[i]);
|
|
||||||
fprintf(stdout, "%s\n", items[i]);
|
|
||||||
}
|
|
||||||
fclose(cache);
|
|
||||||
free(p);
|
|
||||||
}
|
|
||||||
|
|
||||||
int
|
|
||||||
uptodate(void) {
|
|
||||||
char *dir, *p;
|
|
||||||
time_t mtime;
|
|
||||||
struct stat st;
|
|
||||||
|
|
||||||
if(stat(CACHE, &st) < 0)
|
|
||||||
return 0;
|
|
||||||
mtime = st.st_mtime;
|
|
||||||
if(!(p = strdup(path)))
|
|
||||||
die("strdup failed");
|
|
||||||
for(dir = strtok(p, ":"); dir; dir = strtok(NULL, ":"))
|
|
||||||
if(!stat(dir, &st) && st.st_mtime > mtime)
|
|
||||||
return 0;
|
|
||||||
free(p);
|
|
||||||
return 1;
|
|
||||||
}
|
|
Loading…
Reference in New Issue
Block a user