sbase-box: Reduce bss size using dynamic memory - sbase - suckless unix tools
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---
(DIR) commit 7ff51bffd1c7fa34429b6c063fac1d4f7db85d9d
(DIR) parent 13db2e48d4b7899c04d7fdbc88cab29397b3f44b
(HTM) Author: Roberto E. Vargas Caballero <k0ga@shike2.net>
Date: Mon, 8 Dec 2025 18:13:14 +0100
sbase-box: Reduce bss size using dynamic memory
There are several big buffers that consume a lot of bss
memory even when the applications are not used. This patch
removes several of them using dynamic memory instead.
Diffstat:
M ls.c | 4 +++-
M xargs.c | 3 ++-
2 files changed, 5 insertions(+), 2 deletions(-)
---
(DIR) diff --git a/ls.c b/ls.c
@@ -33,7 +33,7 @@ struct entry {
static struct {
dev_t dev;
ino_t ino;
-} tree[PATH_MAX];
+} *tree;
static int ret = 0;
static int Aflag = 0;
@@ -371,6 +371,8 @@ main(int argc, char *argv[])
struct entry ent, *dents, *fents;
size_t i, ds, fs;
+ tree = ereallocarray(NULL, PATH_MAX, sizeof(*tree));
+
ARGBEGIN {
case '1':
/* force output to 1 entry per line */
(DIR) diff --git a/xargs.c b/xargs.c
@@ -29,7 +29,7 @@ static size_t curprocs, maxprocs = 1;
static int nerrors;
static int nulflag, nflag, pflag, rflag, tflag, xflag, Iflag;
static char *argb;
-static char *cmd[NARGS];
+static char **cmd;
static char *eofstr;
static int
@@ -259,6 +259,7 @@ main(int argc, char *argv[])
argmaxsz = _POSIX_ARG_MAX;
/* Leave some room for environment variables */
argmaxsz -= 4096;
+ cmd = emalloc(NARGS * sizeof(*cmd));
ARGBEGIN {
case '0':