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eina - prefix - use smaller buffers for building strings 

use less stack space but no features as buffers are big enough for all
content used or alloca'd now.
This commit is contained in:
Carsten Haitzler 2020-06-07 01:33:43 +01:00
parent 3f26662390
commit 0ab3575f70
1 changed files with 10 additions and 6 deletions
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16
src/lib/eina/eina_prefix.c
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@ -301,8 +301,9 @@ _try_argv(Eina_Prefix *pfx, const char *argv0)
{
if (getcwd(buf2, sizeof(buf2)))
{
char joined[PATH_MAX];
eina_file_path_join(joined, sizeof(joined), buf2, argv0);
size_t len = strlen(buf2) + 1 + strlen(argv0) + 1;
char *joined = alloca(len);
eina_file_path_join(joined, len, buf2, argv0);
if (realpath(joined, buf))
{
if (access(buf, X_OK) == 0)
@ -371,7 +372,7 @@ _try_argv(Eina_Prefix *pfx, const char *argv0)
static int
_get_env_var(char **var, const char *envprefix, const char *envsuffix, const char *prefix, const char *dir)
{
char env[1024];
char env[64];
const char *s;
#if defined(HAVE_GETUID) && defined(HAVE_GETEUID)
@ -387,8 +388,11 @@ _get_env_var(char **var, const char *envprefix, const char *envsuffix, const cha
}
else if (prefix)
{
char buf[PATH_MAX];
eina_file_path_join(buf, sizeof(buf), prefix, dir);
size_t len = strlen(prefix) + 1 + strlen(dir) + 1;
char *buf;
buf = alloca(len);
eina_file_path_join(buf, len, prefix, dir);
INF("Have %s_PREFIX = %s, use %s = %s", envprefix, prefix, env, buf);
STRDUP_REP(*var, buf);
return 1;
@ -409,7 +413,7 @@ _get_env_vars(Eina_Prefix *pfx,
const char *datadir,
const char *localedir)
{
char env[1024];
char env[32];
const char *prefix;
int ret = 0;