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libtcc.c: Completely replace tcc_normalize_inc_dirs.

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This commit is contained in:
Edmund Grimley Evans 2015-11-11 21:18:01 +00:00
parent a7334f791d
commit c39bc9caa7
1 changed files with 26 additions and 73 deletions
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99
libtcc.c
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@ -1569,81 +1569,34 @@ int is_same_file(const file_info_t *fi1, const file_info_t *fi2)
#endif
}
static void
tcc_normalize_inc_dirs_aux(file_info_t *stats, size_t *pnum, char **path)
{
size_t i, num = *pnum;
if (get_file_info(*path, &stats[num]) || !is_dir(&stats[num]))
goto remove;
for (i = 0; i < num; i++)
if (is_same_file(&stats[i], &stats[num]))
goto remove;
*pnum = num + 1;
return;
remove:
tcc_free(*path);
*path = 0;
}
/* Remove non-existent and duplicate directories from include paths. */
ST_FUNC void tcc_normalize_inc_dirs(TCCState *s)
{
/* check a preprocessor include dirs and remove not
existing dirs and duplicates:
- for each duplicate path keep just the first one
- remove each include_path that exists in sysinclude_paths
*/
file_info_t sysinc_stats[50]; // we don't use VLA in tcc code
file_info_t inc_stats[50];
int num_sysinc = s->nb_sysinclude_paths;
int num_inc = s->nb_include_paths;
char** pp;
int i, j, r;
if ((num_sysinc > 50) || (num_inc > 50)) {
tcc_warning("fix a max number of the inc dirs");
if (num_sysinc > 50) num_sysinc = 50;
if (num_inc > 50) num_inc = 50;
}
pp = s->sysinclude_paths;
for (i=0; i < num_sysinc; i++) {
file_info_t *st = &sysinc_stats [i];
r = get_file_info( pp [i], st);
if (r || !is_dir(st)) {
tcc_free( pp[i] );
pp[i] = 0;
}
}
pp = s->include_paths;
for (i=0; i < num_inc; i++) {
file_info_t *st = &inc_stats [i];
r = get_file_info( pp [i], st);
if (r || !is_dir(st)) {
tcc_free( pp[i] );
pp[i] = 0;
}
}
for (i=0; i < num_inc; i++) {
file_info_t *st1 = &inc_stats [i];
for (j=i+1; j < num_inc; j++) {
file_info_t *st2 = &inc_stats [j];
if (is_same_file(st1, st2)) {
pp = &s->include_paths[j];
if (*pp) {
tcc_free( *pp );
*pp = 0;
}
}
}
for (j=0; i < num_sysinc; i++) {
file_info_t *st2 = &sysinc_stats [j];
if (is_same_file(st1, st2)) {
pp = &s->include_paths[i];
if (*pp) {
tcc_free( *pp );
*pp = 0;
}
}
}
}
for (i=0; i < num_sysinc; i++) {
file_info_t *st1 = &sysinc_stats [i];
for (j=i+1; j < num_sysinc; j++) {
file_info_t *st2 = &sysinc_stats [j];
if (is_same_file(st1, st2)) {
pp = &s->sysinclude_paths[j];
if (*pp) {
tcc_free( *pp );
*pp = 0;
}
}
}
}
file_info_t *stats =
tcc_malloc(((size_t)s->nb_sysinclude_paths + s->nb_include_paths) *
sizeof(*stats));
size_t i, num = 0;
for (i = 0; i < s->nb_sysinclude_paths; i++)
tcc_normalize_inc_dirs_aux(stats, &num, &s->sysinclude_paths[i]);
for (i = 0; i < s->nb_include_paths; i++)
tcc_normalize_inc_dirs_aux(stats, &num, &s->include_paths[i]);
tcc_free(stats);
}
LIBTCCAPI int tcc_set_output_type(TCCState *s, int output_type)