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win: fix dir comparison during include dirs processing

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Use native Windows API via wrapper with stat-like API.
This commit is contained in:
Avi Halachmi (:avih) 2015-11-08 03:02:50 +02:00
parent 9d33388b29
commit acbab220c8
1 changed files with 60 additions and 16 deletions
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76
libtcc.c
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@ -1510,6 +1510,50 @@ LIBTCCAPI int tcc_add_symbol(TCCState *s, const char *name, const void *val)
}
#ifndef _WIN32
typedef struct stat file_info_t;
#else
typedef BY_HANDLE_FILE_INFORMATION file_info_t;
#endif
int get_file_info(const char *fname, file_info_t *out_info)
{
#ifndef _WIN32
return stat(fname, out_info);
#else
int rv = 1;
HANDLE h = CreateFile(fname, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL|FILE_FLAG_BACKUP_SEMANTICS, NULL);
if (h == INVALID_HANDLE_VALUE)
return rv;
rv = !GetFileInformationByHandle(h, out_info);
CloseHandle(h);
return rv;
#endif
}
int is_dir(file_info_t *info)
{
#ifndef _WIN32
return S_ISDIR(info->st_mode);
#else
return info->dwFileAttributes == FILE_ATTRIBUTE_DIRECTORY;
#endif
}
int is_same_file(const file_info_t *fi1, const file_info_t *fi2)
{
#ifndef _WIN32
return fi1->st_dev == fi2->st_dev &&
fi1->st_ino == fi2->st_ino;
#else
return fi1->dwVolumeSerialNumber == fi2->dwVolumeSerialNumber &&
fi1->nFileIndexHigh == fi2->nFileIndexHigh &&
fi1->nFileIndexLow == fi2->nFileIndexLow;
#endif
}
ST_FUNC void tcc_mormalize_inc_dirs(TCCState *s)
{
/* check a preprocessor include dirs and remove not
@ -1517,8 +1561,8 @@ ST_FUNC void tcc_mormalize_inc_dirs(TCCState *s)
- for each duplicate path keep just the first one
- remove each include_path that exists in sysinclude_paths
*/
struct stat sysinc_stats[50]; // we don't use VLA in tcc code
struct stat inc_stats[50];
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;
@ -1532,28 +1576,28 @@ ST_FUNC void tcc_mormalize_inc_dirs(TCCState *s)
pp = s->sysinclude_paths;
for (i=0; i < num_sysinc; i++) {
struct stat *st = &sysinc_stats [i];
r = stat( pp [i], st);
if (r || !S_ISDIR(st->st_mode)) {
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++) {
struct stat *st = &inc_stats [i];
r = stat( pp [i], st);
if (r || !S_ISDIR(st->st_mode)) {
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++) {
struct stat *st1 = &inc_stats [i];
file_info_t *st1 = &inc_stats [i];
for (j=i+1; j < num_inc; j++) {
struct stat *st2 = &inc_stats [j];
if ((st1->st_dev == st2->st_dev) && (st1->st_ino == st2->st_ino)) {
file_info_t *st2 = &inc_stats [j];
if (is_same_file(st1, st2)) {
pp = &s->include_paths[j];
if (*pp) {
tcc_free( *pp );
@ -1562,8 +1606,8 @@ ST_FUNC void tcc_mormalize_inc_dirs(TCCState *s)
}
}
for (j=0; i < num_sysinc; i++) {
struct stat *st2 = &sysinc_stats [j];
if ((st1->st_dev == st2->st_dev) && (st1->st_ino == st2->st_ino)) {
file_info_t *st2 = &sysinc_stats [j];
if (is_same_file(st1, st2)) {
pp = &s->include_paths[i];
if (*pp) {
tcc_free( *pp );
@ -1573,10 +1617,10 @@ ST_FUNC void tcc_mormalize_inc_dirs(TCCState *s)
}
}
for (i=0; i < num_sysinc; i++) {
struct stat *st1 = &sysinc_stats [i];
file_info_t *st1 = &sysinc_stats [i];
for (j=i+1; j < num_sysinc; j++) {
struct stat *st2 = &sysinc_stats [j];
if ((st1->st_dev == st2->st_dev) && (st1->st_ino == st2->st_ino)) {
file_info_t *st2 = &sysinc_stats [j];
if (is_same_file(st1, st2)) {
pp = &s->sysinclude_paths[j];
if (*pp) {
tcc_free( *pp );