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slstatus
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simplify smprintf by using vasprintf

This commit is contained in:
Daniel Walter 2016-03-10 11:49:48 +01:00
parent 83e84bebb6
commit 046e273a7e
2 changed files with 4 additions and 15 deletions
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2
config.mk
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@ -15,7 +15,7 @@ INCS = -I. -I/usr/include -I${X11INC}
LIBS = -L/usr/lib -lc -L${X11LIB} -lX11 -lasound
# flags
CPPFLAGS = -DVERSION=\"${VERSION}\"
CPPFLAGS = -DVERSION=\"${VERSION}\" -D_GNU_SOURCE
CFLAGS = -g -std=c99 -pedantic -Wall -O0 ${INCS} ${CPPFLAGS}
#CFLAGS = -std=c99 -pedantic -Wall -Os ${INCS} ${CPPFLAGS}
LDFLAGS = -g ${LIBS}

17
slstatus.c
View File

@ -40,21 +40,10 @@ char *
smprintf(char *fmt, ...)
{
va_list fmtargs;
char *ret;
int len;
char *ret = NULL;
va_start(fmtargs, fmt);
len = vsnprintf(NULL, 0, fmt, fmtargs);
va_end(fmtargs);
ret = malloc(++len);
if (ret == NULL) {
fprintf(stderr, "Malloc error.");
exit(1);
}
va_start(fmtargs, fmt);
vsnprintf(ret, len, fmt, fmtargs);
if (vasprintf(&ret, fmt, fmtargs) < 0)
return NULL;
va_end(fmtargs);
return ret;