diff options
Diffstat (limited to 'intl/relocatable.c')
| -rw-r--r-- | intl/relocatable.c | 55 |
1 files changed, 38 insertions, 17 deletions
diff --git a/intl/relocatable.c b/intl/relocatable.c index bf7c70854..7cc8daf77 100644 --- a/intl/relocatable.c +++ b/intl/relocatable.c @@ -1,5 +1,5 @@ /* Provide relocatable packages. - Copyright (C) 2003 Free Software Foundation, Inc. + Copyright (C) 2003-2005 Free Software Foundation, Inc. Written by Bruno Haible <[email protected]>, 2003. This program is free software; you can redistribute it and/or modify it @@ -14,7 +14,7 @@ You should have received a copy of the GNU Library General Public License along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, + Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ @@ -45,7 +45,7 @@ # include "xalloc.h" #endif -#if defined _WIN32 || defined __WIN32__ +#if defined _WIN32 || defined __WIN32__ || defined __CYGWIN__ # define WIN32_LEAN_AND_MEAN # include <windows.h> #endif @@ -72,20 +72,20 @@ ISSLASH(C) tests whether C is a directory separator character. IS_PATH_WITH_DIR(P) tests whether P contains a directory specification. */ -#if defined _WIN32 || defined __WIN32__ || defined __EMX__ || defined __DJGPP__ - /* Win32, OS/2, DOS */ +#if defined _WIN32 || defined __WIN32__ || defined __CYGWIN__ || defined __EMX__ || defined __DJGPP__ + /* Win32, Cygwin, OS/2, DOS */ # define ISSLASH(C) ((C) == '/' || (C) == '\\') # define HAS_DEVICE(P) \ ((((P)[0] >= 'A' && (P)[0] <= 'Z') || ((P)[0] >= 'a' && (P)[0] <= 'z')) \ && (P)[1] == ':') # define IS_PATH_WITH_DIR(P) \ (strchr (P, '/') != NULL || strchr (P, '\\') != NULL || HAS_DEVICE (P)) -# define FILESYSTEM_PREFIX_LEN(P) (HAS_DEVICE (P) ? 2 : 0) +# define FILE_SYSTEM_PREFIX_LEN(P) (HAS_DEVICE (P) ? 2 : 0) #else /* Unix */ # define ISSLASH(C) ((C) == '/') # define IS_PATH_WITH_DIR(P) (strchr (P, '/') != NULL) -# define FILESYSTEM_PREFIX_LEN(P) 0 +# define FILE_SYSTEM_PREFIX_LEN(P) 0 #endif /* Original installation prefix. */ @@ -189,7 +189,7 @@ compute_curr_prefix (const char *orig_installprefix, /* Determine the current installation directory. */ { - const char *p_base = curr_pathname + FILESYSTEM_PREFIX_LEN (curr_pathname); + const char *p_base = curr_pathname + FILE_SYSTEM_PREFIX_LEN (curr_pathname); const char *p = curr_pathname + strlen (curr_pathname); char *q; @@ -216,7 +216,7 @@ compute_curr_prefix (const char *orig_installprefix, const char *rp = rel_installdir + strlen (rel_installdir); const char *cp = curr_installdir + strlen (curr_installdir); const char *cp_base = - curr_installdir + FILESYSTEM_PREFIX_LEN (curr_installdir); + curr_installdir + FILE_SYSTEM_PREFIX_LEN (curr_installdir); while (rp > rel_installdir && cp > cp_base) { @@ -234,8 +234,11 @@ compute_curr_prefix (const char *orig_installprefix, same = true; break; } -#if defined _WIN32 || defined __WIN32__ || defined __EMX__ || defined __DJGPP__ - /* Win32, OS/2, DOS - case insignificant filesystem */ + /* Do case-insensitive comparison if the filesystem is always or + often case-insensitive. It's better to accept the comparison + if the difference is only in case, rather than to fail. */ +#if defined _WIN32 || defined __WIN32__ || defined __CYGWIN__ || defined __EMX__ || defined __DJGPP__ + /* Win32, Cygwin, OS/2, DOS - case insignificant filesystem */ if ((*rpi >= 'a' && *rpi <= 'z' ? *rpi - 'a' + 'A' : *rpi) != (*cpi >= 'a' && *cpi <= 'z' ? *cpi - 'a' + 'A' : *cpi)) break; @@ -280,7 +283,7 @@ compute_curr_prefix (const char *orig_installprefix, /* Full pathname of shared library, or NULL. */ static char *shared_library_fullname; -#if defined _WIN32 || defined __WIN32__ +#if defined _WIN32 || defined __WIN32__ || defined __CYGWIN__ /* Determine the full pathname of the shared library when it is loaded. */ @@ -302,13 +305,31 @@ DllMain (HINSTANCE module_handle, DWORD event, LPVOID reserved) /* Shouldn't happen. */ return FALSE; - shared_library_fullname = strdup (location); + { +#if defined __CYGWIN__ + /* On Cygwin, we need to convert paths coming from Win32 system calls + to the Unix-like slashified notation. */ + static char location_as_posix_path[2 * MAX_PATH]; + /* There's no error return defined for cygwin_conv_to_posix_path. + See cygwin-api/func-cygwin-conv-to-posix-path.html. + Does it overflow the buffer of expected size MAX_PATH or does it + truncate the path? I don't know. Let's catch both. */ + cygwin_conv_to_posix_path (location, location_as_posix_path); + location_as_posix_path[MAX_PATH - 1] = '\0'; + if (strlen (location_as_posix_path) >= MAX_PATH - 1) + /* A sign of buffer overflow or path truncation. */ + return FALSE; + shared_library_fullname = strdup (location_as_posix_path); +#else + shared_library_fullname = strdup (location); +#endif + } } return TRUE; } -#else /* Unix */ +#else /* Unix except Cygwin */ static void find_shared_library_fullname () @@ -359,15 +380,15 @@ find_shared_library_fullname () #endif } -#endif /* WIN32 / Unix */ +#endif /* (WIN32 or Cygwin) / (Unix except Cygwin) */ /* Return the full pathname of the current shared library. Return NULL if unknown. - Guaranteed to work only on Linux and Woe32. */ + Guaranteed to work only on Linux, Cygwin and Woe32. */ static char * get_shared_library_fullname () { -#if !(defined _WIN32 || defined __WIN32__) +#if !(defined _WIN32 || defined __WIN32__ || defined __CYGWIN__) static bool tried_find_shared_library_fullname; if (!tried_find_shared_library_fullname) { |