diff options
Diffstat (limited to 'libtcc.c')
| -rw-r--r-- | libtcc.c | 76 |
1 files changed, 60 insertions, 16 deletions
@@ -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 ); |