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* Add option to check timing.
This commit is contained in:
Qball Cow 2014-01-14 08:36:07 +01:00
parent b1d5e6a686
commit 8d0bf427e0
2 changed files with 36 additions and 6 deletions
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8
Makefile
View file

@ -1,16 +1,20 @@
CFLAGS?=-Wall -Wextra -Os -g3
CFLAGS?=-Wall -Wextra -Os
PREFIX?=$(DESTDIR)/usr
BINDIR?=$(PREFIX)/bin
MANDIR?=$(PREFIX)/share/man/man1
# Check deps.
ifeq (${DEBUG},1)
CFLAGS+=-DTIMING=1
LDADD+=-lrt
endif
PKG_CONFIG?=$(shell which pkg-config)
ifeq (${PKG_CONFIG},${EMPTY})
$(error Failed to find pkg-config. Please install pkg-config)
endif
LDADD?=$(shell ${PKG_CONFIG} --cflags --libs x11 xinerama xft)
LDADD+=$(shell ${PKG_CONFIG} --cflags --libs x11 xinerama xft)
ifeq (${LDADD},${EMPTY})
$(error Failed to find the required dependencies: x11, xinerama, xft)

34
simpleswitcher.c
View file

@ -71,6 +71,10 @@
#define OPACITY "_NET_WM_WINDOW_OPACITY"
#define I3_SOCKET_PATH_PROP "I3_SOCKET_PATH"
#ifdef TIMING
#include <time.h>
#endif
static void* allocate( unsigned long bytes )
{
void *ptr = malloc( bytes );
@ -994,14 +998,23 @@ int menu( char **lines, char **input, char *prompt, int selected, Time *time )
#define FORK 1
#define NOFORK 2
int sort_func ( const void *a, const void *b )
{
const char *astr = *( const char * const * )a;
const char *bstr = *( const char * const * )b;
return strcasecmp( astr,bstr );
}
static char ** get_apps ( )
{
#ifdef TIMING
struct timespec start, stop;
clock_gettime(CLOCK_REALTIME, &start);
#endif
if ( getenv( "PATH" ) == NULL ) return NULL;
char *path = strdup( getenv( "PATH" ) );
char **retv = NULL;
int index = 0;
unsigned int index = 0;
for ( const char *dirname = strtok( path, ":" ); dirname != NULL; dirname = strtok( NULL, ":" ) ) {
DIR *dir = opendir( dirname );
@ -1010,7 +1023,11 @@ static char ** get_apps ( )
struct dirent *dent;
while ( ( dent=readdir( dir ) )!=NULL ) {
if ( dent->d_name[0] == '.' ) continue;
if ( dent->d_type != DT_REG &&
dent->d_type != DT_LNK &&
dent->d_type != DT_UNKNOWN ) {
continue;
}
retv = realloc( retv, ( index+2 )*sizeof( char* ) );
retv[index] = strdup( dent->d_name );
@ -1021,8 +1038,17 @@ static char ** get_apps ( )
closedir( dir );
}
}
// TODO: check this is still fast enough. (takes 1ms on laptop.)
qsort( retv,index, sizeof( char* ), sort_func );
free( path );
#ifdef TIMING
clock_gettime(CLOCK_REALTIME, &stop);
if(stop.tv_sec != start.tv_sec) {
stop.tv_nsec += (stop.tv_sec-start.tv_sec)*1e9;
}
long diff = stop.tv_nsec-start.tv_nsec;
printf("Time elapsed: %ld us\n", diff/1000);
#endif
return retv;
}