Mercurial > hg > xemacs-beta
diff src/fileio.c @ 442:abe6d1db359e r21-2-36
Import from CVS: tag r21-2-36
| author | cvs |
|---|---|
| date | Mon, 13 Aug 2007 11:35:02 +0200 |
| parents | 8de8e3f6228a |
| children | 576fb035e263 |
line wrap: on
line diff
--- a/src/fileio.c Mon Aug 13 11:33:40 2007 +0200 +++ b/src/fileio.c Mon Aug 13 11:35:02 2007 +0200 @@ -24,7 +24,6 @@ #include <config.h> #include "lisp.h" -#include <limits.h> #include "buffer.h" #include "events.h" @@ -54,24 +53,13 @@ #endif /* HPUX_PRE_8_0 */ #endif /* HPUX */ -#ifdef WINDOWSNT -#define NOMINMAX 1 -#include <direct.h> -#include <fcntl.h> -#include <stdlib.h> -#endif /* not WINDOWSNT */ - -#ifdef WINDOWSNT -#define CORRECT_DIR_SEPS(s) \ - do { if ('/' == DIRECTORY_SEP) dostounix_filename (s); \ - else unixtodos_filename (s); \ - } while (0) +#ifdef WIN32_NATIVE #define IS_DRIVE(x) isalpha (x) /* Need to lower-case the drive letter, or else expanded filenames will sometimes compare inequal, because `expand-file-name' doesn't always down-case the drive letter. */ #define DRIVE_LETTER(x) tolower (x) -#endif /* WINDOWSNT */ +#endif /* WIN32_NATIVE */ int lisp_to_time (Lisp_Object, time_t *); Lisp_Object time_to_lisp (time_t); @@ -135,7 +123,7 @@ /* signal a file error when errno contains a meaningful value. */ DOESNT_RETURN -report_file_error (CONST char *string, Lisp_Object data) +report_file_error (const char *string, Lisp_Object data) { /* #### dmoore - This uses current_buffer, better make sure no one has GC'd the current buffer. File handlers are giving me a headache @@ -148,7 +136,7 @@ } void -maybe_report_file_error (CONST char *string, Lisp_Object data, +maybe_report_file_error (const char *string, Lisp_Object data, Lisp_Object class, Error_behavior errb) { /* Optimization: */ @@ -164,14 +152,14 @@ /* signal a file error when errno does not contain a meaningful value. */ DOESNT_RETURN -signal_file_error (CONST char *string, Lisp_Object data) +signal_file_error (const char *string, Lisp_Object data) { signal_error (Qfile_error, list2 (build_translated_string (string), data)); } void -maybe_signal_file_error (CONST char *string, Lisp_Object data, +maybe_signal_file_error (const char *string, Lisp_Object data, Lisp_Object class, Error_behavior errb) { /* Optimization: */ @@ -183,7 +171,7 @@ } DOESNT_RETURN -signal_double_file_error (CONST char *string1, CONST char *string2, +signal_double_file_error (const char *string1, const char *string2, Lisp_Object data) { signal_error (Qfile_error, @@ -193,7 +181,7 @@ } void -maybe_signal_double_file_error (CONST char *string1, CONST char *string2, +maybe_signal_double_file_error (const char *string1, const char *string2, Lisp_Object data, Lisp_Object class, Error_behavior errb) { @@ -208,7 +196,7 @@ } DOESNT_RETURN -signal_double_file_error_2 (CONST char *string1, CONST char *string2, +signal_double_file_error_2 (const char *string1, const char *string2, Lisp_Object data1, Lisp_Object data2) { signal_error (Qfile_error, @@ -218,7 +206,7 @@ } void -maybe_signal_double_file_error_2 (CONST char *string1, CONST char *string2, +maybe_signal_double_file_error_2 (const char *string1, const char *string2, Lisp_Object data1, Lisp_Object data2, Lisp_Object class, Error_behavior errb) { @@ -289,7 +277,7 @@ } ssize_t -write_allowing_quit (int fildes, CONST void *buf, size_t size) +write_allowing_quit (int fildes, const void *buf, size_t size) { QUIT; return sys_write_1 (fildes, buf, size, 1); @@ -412,7 +400,7 @@ */ (file)) { - /* This function can GC. GC checked 1997.04.06. */ + /* This function can GC. GC checked 2000-07-28 ben */ Bufbyte *beg; Bufbyte *p; Lisp_Object handler; @@ -432,7 +420,7 @@ p = beg + XSTRING_LENGTH (file); while (p != beg && !IS_ANY_SEP (p[-1]) -#ifdef WINDOWSNT +#ifdef WIN32_NATIVE /* only recognize drive specifier at beginning */ && !(p[-1] == ':' && p == beg + 2) #endif @@ -440,14 +428,14 @@ if (p == beg) return Qnil; -#ifdef WINDOWSNT +#ifdef WIN32_NATIVE /* Expansion of "c:" to drive and default directory. */ /* (NT does the right thing.) */ if (p == beg + 2 && beg[1] == ':') { /* MAXPATHLEN+1 is guaranteed to be enough space for getdefdir. */ - Bufbyte *res = alloca (MAXPATHLEN + 1); - if (getdefdir (toupper (*beg) - 'A' + 1, res)) + Bufbyte *res = (Bufbyte*) alloca (MAXPATHLEN + 1); + if (_getdcwd (toupper (*beg) - 'A' + 1, (char *)res, MAXPATHLEN)) { char *c=((char *) res) + strlen ((char *) res); if (!IS_DIRECTORY_SEP (*c)) @@ -459,7 +447,7 @@ p = beg + strlen ((char *) beg); } } -#endif /* WINDOWSNT */ +#endif /* WIN32_NATIVE */ return make_string (beg, p - beg); } @@ -471,7 +459,7 @@ */ (file)) { - /* This function can GC. GC checked 1997.04.06. */ + /* This function can GC. GC checked 2000-07-28 ben */ Bufbyte *beg, *p, *end; Lisp_Object handler; @@ -487,7 +475,7 @@ end = p = beg + XSTRING_LENGTH (file); while (p != beg && !IS_ANY_SEP (p[-1]) -#ifdef WINDOWSNT +#ifdef WIN32_NATIVE /* only recognize drive specifier at beginning */ && !(p[-1] == ':' && p == beg + 2) #endif @@ -507,7 +495,7 @@ */ (filename)) { - /* This function can GC. GC checked 1997.04.06. */ + /* This function can GC. GC checked 2000-07-28 ben */ Lisp_Object handler; /* If the file name has special constructs in it, @@ -524,6 +512,7 @@ static char * file_name_as_directory (char *out, char *in) { + /* This function cannot GC */ int size = strlen (in); if (size == 0) @@ -556,7 +545,7 @@ */ (file)) { - /* This function can GC. GC checked 1997.04.06. */ + /* This function can GC. GC checked 2000-07-28 ben */ char *buf; Lisp_Object handler; @@ -581,17 +570,18 @@ */ static int -directory_file_name (CONST char *src, char *dst) +directory_file_name (const char *src, char *dst) { + /* This function cannot GC */ long slen = strlen (src); /* Process as Unix format: just remove any final slash. But leave "/" unchanged; do not change it to "". */ strcpy (dst, src); if (slen > 1 && IS_DIRECTORY_SEP (dst[slen - 1]) -#ifdef WINDOWSNT +#ifdef WIN32_NATIVE && !IS_ANY_SEP (dst[slen - 2]) -#endif /* WINDOWSNT */ +#endif /* WIN32_NATIVE */ ) dst[slen - 1] = 0; return 1; @@ -606,7 +596,7 @@ */ (directory)) { - /* This function can GC. GC checked 1997.04.06. */ + /* This function can GC. GC checked 2000-07-28 ben */ char *buf; Lisp_Object handler; @@ -635,8 +625,10 @@ This implementation is better than what one usually finds in libc. --hniksic */ +static unsigned int temp_name_rand; + DEFUN ("make-temp-name", Fmake_temp_name, 1, 1, 0, /* -Generate temporary file name starting with PREFIX. +Generate a temporary file name starting with PREFIX. The Emacs process number forms part of the result, so there is no danger of generating a name being used by another process. @@ -646,7 +638,8 @@ */ (prefix)) { - static char tbl[64] = { + static const char tbl[64] = + { 'A','B','C','D','E','F','G','H', 'I','J','K','L','M','N','O','P', 'Q','R','S','T','U','V','W','X', @@ -654,13 +647,12 @@ 'g','h','i','j','k','l','m','n', 'o','p','q','r','s','t','u','v', 'w','x','y','z','0','1','2','3', - '4','5','6','7','8','9','-','_' }; - static unsigned count, count_initialized_p; + '4','5','6','7','8','9','-','_' + }; Lisp_Object val; Bytecount len; Bufbyte *p, *data; - unsigned pid; CHECK_STRING (prefix); @@ -686,44 +678,37 @@ /* VAL is created by adding 6 characters to PREFIX. The first three are the PID of this process, in base 64, and the second three are - incremented if the file already exists. This ensures 262144 - unique file names per PID per PREFIX. */ - - pid = (unsigned)getpid (); - *p++ = tbl[pid & 63], pid >>= 6; - *p++ = tbl[pid & 63], pid >>= 6; - *p++ = tbl[pid & 63], pid >>= 6; + a pseudo-random number seeded from process startup time. This + ensures 262144 unique file names per PID per PREFIX per machine. */ + + { + unsigned int pid = (unsigned int) getpid (); + *p++ = tbl[(pid >> 0) & 63]; + *p++ = tbl[(pid >> 6) & 63]; + *p++ = tbl[(pid >> 12) & 63]; + } /* Here we try to minimize useless stat'ing when this function is invoked many times successively with the same PREFIX. We achieve - this by initializing count to a random value, and incrementing it - afterwards. */ - if (!count_initialized_p) - { - count = (unsigned)time (NULL); - /* Dumping temacs with a non-zero count_initialized_p wouldn't - make much sense. */ - if (NILP (Frunning_temacs_p ())) - count_initialized_p = 1; - } + this by using a very pseudo-random number generator to generate + file names unique to this process, with a very long cycle. */ while (1) { struct stat ignored; - unsigned num = count; - - p[0] = tbl[num & 63], num >>= 6; - p[1] = tbl[num & 63], num >>= 6; - p[2] = tbl[num & 63], num >>= 6; + + p[0] = tbl[(temp_name_rand >> 0) & 63]; + p[1] = tbl[(temp_name_rand >> 6) & 63]; + p[2] = tbl[(temp_name_rand >> 12) & 63]; /* Poor man's congruential RN generator. Replace with ++count for debugging. */ - count += 25229; - count %= 225307; + temp_name_rand += 25229; + temp_name_rand %= 225307; QUIT; - if (stat ((CONST char *) data, &ignored) < 0) + if (xemacs_stat ((const char *) data, &ignored) < 0) { /* We want to return only if errno is ENOENT. */ if (errno == ENOENT) @@ -757,23 +742,27 @@ */ (name, default_directory)) { - /* This function can GC */ + /* This function can GC. GC-checked 2000-07-11 ben */ Bufbyte *nm; Bufbyte *newdir, *p, *o; int tlen; Bufbyte *target; -#ifdef WINDOWSNT +#ifdef WIN32_NATIVE int drive = 0; int collapse_newdir = 1; #else struct passwd *pw; -#endif /* WINDOWSNT */ +#endif /* WIN32_NATIVE */ int length; Lisp_Object handler; -#ifdef __CYGWIN32__ +#ifdef CYGWIN char *user; #endif + struct gcpro gcpro1, gcpro2; + + /* both of these get set below */ + GCPRO2 (name, default_directory); CHECK_STRING (name); @@ -781,8 +770,11 @@ call the corresponding file handler. */ handler = Ffind_file_name_handler (name, Qexpand_file_name); if (!NILP (handler)) - return call3_check_string (handler, Qexpand_file_name, name, - default_directory); + { + UNGCPRO; + return call3_check_string (handler, Qexpand_file_name, name, + default_directory); + } /* Use the buffer's default-directory if DEFAULT_DIRECTORY is omitted. */ if (NILP (default_directory)) @@ -794,7 +786,10 @@ { handler = Ffind_file_name_handler (default_directory, Qexpand_file_name); if (!NILP (handler)) - return call3 (handler, Qexpand_file_name, name, default_directory); + { + UNGCPRO; + return call3 (handler, Qexpand_file_name, name, default_directory); + } } o = XSTRING_DATA (default_directory); @@ -813,26 +808,21 @@ /* Save time in some common cases - as long as default_directory is not relative, it can be canonicalized with name below (if it is needed at all) without requiring it to be expanded now. */ -#ifdef WINDOWSNT - /* Detect MSDOS file names with drive specifiers. */ +#ifdef WIN32_NATIVE + /* Detect Windows file names with drive specifiers. */ && ! (IS_DRIVE (o[0]) && (IS_DEVICE_SEP (o[1]) && IS_DIRECTORY_SEP (o[2]))) /* Detect Windows file names in UNC format. */ && ! (IS_DIRECTORY_SEP (o[0]) && IS_DIRECTORY_SEP (o[1])) -#else /* not WINDOWSNT */ +#else /* not WIN32_NATIVE */ /* Detect Unix absolute file names (/... alone is not absolute on - DOS or Windows). */ + Windows). */ && ! (IS_DIRECTORY_SEP (o[0])) -#endif /* not WINDOWSNT */ +#endif /* not WIN32_NATIVE */ ) - { - struct gcpro gcpro1; - - GCPRO1 (name); - default_directory = Fexpand_file_name (default_directory, Qnil); - UNGCPRO; - } + + default_directory = Fexpand_file_name (default_directory, Qnil); #ifdef FILE_SYSTEM_CASE name = FILE_SYSTEM_CASE (name); @@ -842,15 +832,15 @@ into name should be safe during all of this, though. */ nm = XSTRING_DATA (name); -#ifdef WINDOWSNT +#ifdef WIN32_NATIVE /* We will force directory separators to be either all \ or /, so make a local copy to modify, even if there ends up being no change. */ - nm = strcpy (alloca (strlen (nm) + 1), nm); + nm = strcpy ((char *)alloca (strlen ((char *)nm) + 1), (char *)nm); /* Find and remove drive specifier if present; this makes nm absolute even if the rest of the name appears to be relative. */ { - Bufbyte *colon = strrchr (nm, ':'); + Bufbyte *colon = (Bufbyte *) strrchr ((char *)nm, ':'); if (colon) /* Only recognize colon as part of drive specifier if there is a @@ -880,14 +870,14 @@ "//somedir". */ if (drive && IS_DIRECTORY_SEP (nm[0]) && IS_DIRECTORY_SEP (nm[1])) nm++; -#endif /* WINDOWSNT */ +#endif /* WIN32_NATIVE */ /* If nm is absolute, look for /./ or /../ sequences; if none are found, we can probably return right away. We will avoid allocating a new string if name is already fully expanded. */ if ( IS_DIRECTORY_SEP (nm[0]) -#ifdef WINDOWSNT +#ifdef WIN32_NATIVE && (drive || IS_DIRECTORY_SEP (nm[1])) #endif ) @@ -918,7 +908,7 @@ } if (!lose) { -#ifdef WINDOWSNT +#ifdef WIN32_NATIVE /* Make sure directories are all separated with / or \ as desired, but avoid allocation of a new string when not required. */ @@ -935,12 +925,12 @@ XSTRING_DATA (name)[0] = DRIVE_LETTER (drive); XSTRING_DATA (name)[1] = ':'; } - return name; -#else /* not WINDOWSNT */ + RETURN_UNGCPRO (name); +#else /* not WIN32_NATIVE */ if (nm == XSTRING_DATA (name)) - return name; - return build_string ((char *) nm); -#endif /* not WINDOWSNT */ + RETURN_UNGCPRO (name); + RETURN_UNGCPRO (build_string ((char *) nm)); +#endif /* not WIN32_NATIVE */ } } @@ -977,7 +967,7 @@ Qfile_name); nm++; -#ifdef WINDOWSNT +#ifdef WIN32_NATIVE collapse_newdir = 0; #endif } @@ -996,7 +986,7 @@ multiple user profiles users defined, each with its HOME. Therefore, the following should be reworked to handle this case. */ -#ifdef WINDOWSNT +#ifdef WIN32_NATIVE /* Now if the file given is "~foo/file" and HOME="c:/", then we want the file to be named "c:/file" ("~foo" becomes "c:/"). The variable o has "~foo", so we can use the @@ -1005,8 +995,8 @@ newdir = (Bufbyte *) get_home_directory(); dostounix_filename (newdir); nm += strlen(o) + 1; -#else /* not WINDOWSNT */ -#ifdef __CYGWIN32__ +#else /* not WIN32_NATIVE */ +#ifdef CYGWIN if ((user = user_login_name (NULL)) != NULL) { /* Does the user login name match the ~name? */ @@ -1018,7 +1008,7 @@ } if (! newdir) { -#endif /* __CYGWIN32__ */ +#endif /* CYGWIN */ /* Jamie reports that getpwnam() can get wedged by SIGIO/SIGALARM occurring in it. (It can call select()). */ slow_down_interrupts (); @@ -1029,17 +1019,17 @@ newdir = (Bufbyte *) pw -> pw_dir; nm = p; } -#ifdef __CYGWIN32__ +#ifdef CYGWIN } #endif -#endif /* not WINDOWSNT */ +#endif /* not WIN32_NATIVE */ /* If we don't find a user of that name, leave the name unchanged; don't move nm forward to p. */ } } -#ifdef WINDOWSNT +#ifdef WIN32_NATIVE /* On DOS and Windows, nm is absolute if a drive name was specified; use the drive's current directory as the prefix if needed. */ if (!newdir && drive) @@ -1048,7 +1038,7 @@ if (!IS_DIRECTORY_SEP (nm[0])) { newdir = alloca (MAXPATHLEN + 1); - if (!getdefdir (toupper (drive) - 'A' + 1, newdir)) + if (!_getdcwd (toupper (drive) - 'A' + 1, newdir, MAXPATHLEN)) newdir = NULL; } if (!newdir) @@ -1061,13 +1051,13 @@ newdir[3] = 0; } } -#endif /* WINDOWSNT */ +#endif /* WIN32_NATIVE */ /* Finally, if no prefix has been specified and nm is not absolute, then it must be expanded relative to default_directory. */ if (1 -#ifndef WINDOWSNT +#ifndef WIN32_NATIVE /* /... alone is not absolute on DOS and Windows. */ && !IS_DIRECTORY_SEP (nm[0]) #else @@ -1078,12 +1068,12 @@ newdir = XSTRING_DATA (default_directory); } -#ifdef WINDOWSNT +#ifdef WIN32_NATIVE if (newdir) { /* First ensure newdir is an absolute name. */ if ( - /* Detect MSDOS file names with drive specifiers. */ + /* Detect Windows file names with drive specifiers. */ ! (IS_DRIVE (newdir[0]) && IS_DEVICE_SEP (newdir[1]) && IS_DIRECTORY_SEP (newdir[2])) /* Detect Windows file names in UNC format. */ @@ -1113,7 +1103,7 @@ newdir = alloca (MAXPATHLEN + 1); if (drive) { - if (!getdefdir (toupper (drive) - 'A' + 1, newdir)) + if (!_getdcwd (toupper (drive) - 'A' + 1, newdir, MAXPATHLEN)) newdir = "/"; } else @@ -1144,7 +1134,7 @@ newdir = ""; } } -#endif /* WINDOWSNT */ +#endif /* WIN32_NATIVE */ if (newdir) { @@ -1152,7 +1142,7 @@ just // (an incomplete UNC name). */ length = strlen ((char *) newdir); if (length > 1 && IS_DIRECTORY_SEP (newdir[length - 1]) -#ifdef WINDOWSNT +#ifdef WIN32_NATIVE && !(length == 2 && IS_DIRECTORY_SEP (newdir[0])) #endif ) @@ -1169,14 +1159,14 @@ /* Now concatenate the directory and name to new space in the stack frame */ tlen += strlen ((char *) nm) + 1; -#ifdef WINDOWSNT +#ifdef WIN32_NATIVE /* Add reserved space for drive name. (The Microsoft x86 compiler produces incorrect code if the following two lines are combined.) */ target = (Bufbyte *) alloca (tlen + 2); target += 2; -#else /* not WINDOWSNT */ +#else /* not WIN32_NATIVE */ target = (Bufbyte *) alloca (tlen); -#endif /* not WINDOWSNT */ +#endif /* not WIN32_NATIVE */ *target = 0; if (newdir) @@ -1225,7 +1215,7 @@ ++o; p += 3; } -#ifdef WINDOWSNT +#ifdef WIN32_NATIVE /* if drive is set, we're not dealing with an UNC, so multiple dir-seps are redundant (and reportedly cause trouble under win95) */ @@ -1238,7 +1228,7 @@ } } -#ifdef WINDOWSNT +#ifdef WIN32_NATIVE /* At last, set drive name, except for network file name. */ if (drive) { @@ -1251,15 +1241,11 @@ assert (IS_DIRECTORY_SEP (target[0]) && IS_DIRECTORY_SEP (target[1])); } CORRECT_DIR_SEPS (target); -#endif /* WINDOWSNT */ - - return make_string (target, o - target); +#endif /* WIN32_NATIVE */ + + RETURN_UNGCPRO (make_string (target, o - target)); } -#if 0 /* FSFmacs */ -/* another older version of expand-file-name; */ -#endif - DEFUN ("file-truename", Ffile_truename, 1, 2, 0, /* Return the canonical name of the given FILE. Second arg DEFAULT is directory to start with if FILE is relative @@ -1270,9 +1256,8 @@ */ (filename, default_)) { - /* This function can GC. GC checked 1997.04.06. */ + /* This function can GC. GC checked 2000-07-28 ben. */ Lisp_Object expanded_name; - Lisp_Object handler; struct gcpro gcpro1; CHECK_STRING (filename); @@ -1283,11 +1268,15 @@ return Qnil; GCPRO1 (expanded_name); - handler = Ffind_file_name_handler (expanded_name, Qfile_truename); - UNGCPRO; - - if (!NILP (handler)) - return call2_check_string (handler, Qfile_truename, expanded_name); + + { + Lisp_Object handler = + Ffind_file_name_handler (expanded_name, Qfile_truename); + + if (!NILP (handler)) + RETURN_UNGCPRO + (call2_check_string (handler, Qfile_truename, expanded_name)); + } { char resolved_path[MAXPATHLEN]; @@ -1301,7 +1290,7 @@ p = path; if (elen > MAXPATHLEN) goto toolong; - + /* Try doing it all at once. */ /* !! Does realpath() Mule-encapsulate? Answer: Nope! So we do it above */ @@ -1312,14 +1301,25 @@ It claims to return a useful value in the "error" case, but since there is no indication provided of how far along the pathname the function went before erring, there is no way to use the - partial result returned. What a piece of junk. */ + partial result returned. What a piece of junk. + + The above comment refers to historical versions of + realpath(). The Unix98 specs state: + + "On successful completion, realpath() returns a + pointer to the resolved name. Otherwise, realpath() + returns a null pointer and sets errno to indicate the + error, and the contents of the buffer pointed to by + resolved_name are undefined." + + Since we depend on undocumented semantics of various system realpath()s, + we just use our own version in realpath.c. */ for (;;) { p = (Extbyte *) memchr (p + 1, '/', elen - (p + 1 - path)); if (p) *p = 0; - /* memset (resolved_path, 0, sizeof (resolved_path)); */ if (xrealpath ((char *) path, resolved_path)) { if (p) @@ -1337,7 +1337,8 @@ /* "On failure, it returns NULL, sets errno to indicate the error, and places in resolved_path the absolute pathname of the path component which could not be resolved." */ - if (p) + + if (p) { int plen = elen - (p - path); @@ -1358,17 +1359,20 @@ } { + Lisp_Object resolved_name; int rlen = strlen (resolved_path); if (elen > 0 && XSTRING_BYTE (expanded_name, elen - 1) == '/' && !(rlen > 0 && resolved_path[rlen - 1] == '/')) { if (rlen + 1 > countof (resolved_path)) goto toolong; - resolved_path[rlen] = '/'; - resolved_path[rlen + 1] = 0; - rlen = rlen + 1; + resolved_path[rlen++] = '/'; + resolved_path[rlen] = '\0'; } - return make_ext_string ((Bufbyte *) resolved_path, rlen, Qbinary); + TO_INTERNAL_FORMAT (DATA, (resolved_path, rlen), + LISP_STRING, resolved_name, + Qfile_name); + RETURN_UNGCPRO (resolved_name); } toolong: @@ -1377,7 +1381,7 @@ lose: report_file_error ("Finding truename", list1 (expanded_name)); } - return Qnil; /* suppress compiler warning */ + RETURN_UNGCPRO (Qnil); } @@ -1392,7 +1396,7 @@ */ (string)) { - /* This function can GC. GC checked 1997.04.06. */ + /* This function can GC. GC checked 2000-07-28 ben. */ Bufbyte *nm; Bufbyte *s, *p, *o, *x, *endp; @@ -1419,12 +1423,12 @@ for (p = nm; p != endp; p++) { if ((p[0] == '~' -#if defined (WINDOWSNT) || defined (__CYGWIN32__) +#if defined (WIN32_NATIVE) || defined (CYGWIN) /* // at start of file name is meaningful in WindowsNT systems */ || (IS_DIRECTORY_SEP (p[0]) && p - 1 != nm) -#else /* not (WINDOWSNT || __CYGWIN32__) */ +#else /* not (WIN32_NATIVE || CYGWIN) */ || IS_DIRECTORY_SEP (p[0]) -#endif /* not (WINDOWSNT || __CYGWIN32__) */ +#endif /* not (WIN32_NATIVE || CYGWIN) */ ) && p != nm && (IS_DIRECTORY_SEP (p[-1]))) @@ -1432,7 +1436,7 @@ nm = p; substituted = 1; } -#ifdef WINDOWSNT +#ifdef WIN32_NATIVE /* see comment in expand-file-name about drive specifiers */ else if (IS_DRIVE (p[0]) && p[1] == ':' && p > nm && IS_DIRECTORY_SEP (p[-1])) @@ -1440,7 +1444,7 @@ nm = p; substituted = 1; } -#endif /* WINDOWSNT */ +#endif /* WIN32_NATIVE */ } /* See if any variables are substituted into the string @@ -1480,9 +1484,9 @@ target = (Bufbyte *) alloca (s - o + 1); strncpy ((char *) target, (char *) o, s - o); target[s - o] = 0; -#ifdef WINDOWSNT +#ifdef WIN32_NATIVE strupr (target); /* $home == $HOME etc. */ -#endif /* WINDOWSNT */ +#endif /* WIN32_NATIVE */ /* Get variable value */ o = (Bufbyte *) egetenv ((char *) target); @@ -1531,9 +1535,9 @@ target = (Bufbyte *) alloca (s - o + 1); strncpy ((char *) target, (char *) o, s - o); target[s - o] = 0; -#ifdef WINDOWSNT +#ifdef WIN32_NATIVE strupr (target); /* $home == $HOME etc. */ -#endif /* WINDOWSNT */ +#endif /* WIN32_NATIVE */ /* Get variable value */ o = (Bufbyte *) egetenv ((char *) target); @@ -1550,16 +1554,16 @@ for (p = xnm; p != x; p++) if ((p[0] == '~' -#if defined (WINDOWSNT) +#if defined (WIN32_NATIVE) || (IS_DIRECTORY_SEP (p[0]) && p - 1 != xnm) -#else /* not WINDOWSNT */ +#else /* not WIN32_NATIVE */ || IS_DIRECTORY_SEP (p[0]) -#endif /* not WINDOWSNT */ +#endif /* not WIN32_NATIVE */ ) /* don't do p[-1] if that would go off the beginning --jwz */ && p != nm && p > xnm && IS_DIRECTORY_SEP (p[-1])) xnm = p; -#ifdef WINDOWSNT +#ifdef WIN32_NATIVE else if (IS_DRIVE (p[0]) && p[1] == ':' && p > nm && IS_DIRECTORY_SEP (p[-1])) xnm = p; @@ -1568,12 +1572,13 @@ return make_string (xnm, x - xnm); badsubst: - error ("Bad format environment-variable substitution"); + syntax_error ("Bad format environment-variable substitution", string); missingclose: - error ("Missing \"}\" in environment-variable substitution"); + syntax_error ("Missing \"}\" in environment-variable substitution", + string); badvar: - error ("Substituting nonexistent environment variable \"%s\"", - target); + syntax_error_2 ("Substituting nonexistent environment variable", + string, build_string (target)); /* NOTREACHED */ return Qnil; /* suppress compiler warning */ @@ -1585,7 +1590,7 @@ Lisp_Object expand_and_dir_to_file (Lisp_Object filename, Lisp_Object defdir) { - /* This function can call lisp */ + /* This function can call Lisp. GC checked 2000-07-28 ben */ Lisp_Object abspath; struct gcpro gcpro1; @@ -1611,15 +1616,15 @@ If the file does not exist, STATPTR->st_mode is set to 0. */ static void -barf_or_query_if_file_exists (Lisp_Object absname, CONST char *querystring, +barf_or_query_if_file_exists (Lisp_Object absname, const char *querystring, int interactive, struct stat *statptr) { - /* This function can GC. GC checked 1997.04.06. */ + /* This function can call Lisp. GC checked 2000-07-28 ben */ struct stat statbuf; /* stat is a good way to tell whether the file exists, regardless of what access permissions it has. */ - if (stat ((char *) XSTRING_DATA (absname), &statbuf) >= 0) + if (xemacs_stat ((char *) XSTRING_DATA (absname), &statbuf) >= 0) { Lisp_Object tem; @@ -1629,7 +1634,7 @@ struct gcpro gcpro1; prompt = emacs_doprnt_string_c - ((CONST Bufbyte *) GETTEXT ("File %s already exists; %s anyway? "), + ((const Bufbyte *) GETTEXT ("File %s already exists; %s anyway? "), Qnil, -1, XSTRING_DATA (absname), GETTEXT (querystring)); @@ -1668,7 +1673,7 @@ */ (filename, newname, ok_if_already_exists, keep_time)) { - /* This function can GC. GC checked 1997.04.06. */ + /* This function can call Lisp. GC checked 2000-07-28 ben */ int ifd, ofd, n; char buf[16 * 1024]; struct stat st, out_st; @@ -1710,8 +1715,10 @@ args[1] = Qnil; args[2] = Qnil; NGCPRO1 (*args); ngcpro1.nvars = 3; - if (XSTRING_BYTE (newname, XSTRING_LENGTH (newname) - 1) != '/') - args[i++] = build_string ("/"); + if (!IS_DIRECTORY_SEP (XSTRING_BYTE (newname, + XSTRING_LENGTH (newname) - 1))) + + args[i++] = Fchar_to_string (Vdirectory_sep_char); args[i++] = Ffile_name_nondirectory (filename); newname = Fconcat (i, args); NUNGCPRO; @@ -1721,7 +1728,7 @@ || INTP (ok_if_already_exists)) barf_or_query_if_file_exists (newname, "copy to it", INTP (ok_if_already_exists), &out_st); - else if (stat ((CONST char *) XSTRING_DATA (newname), &out_st) < 0) + else if (xemacs_stat ((const char *) XSTRING_DATA (newname), &out_st) < 0) out_st.st_mode = 0; ifd = interruptible_open ((char *) XSTRING_DATA (filename), O_RDONLY | OPEN_BINARY, 0); @@ -1734,7 +1741,7 @@ copyable by us. */ input_file_statable_p = (fstat (ifd, &st) >= 0); -#ifndef WINDOWSNT +#ifndef WIN32_NATIVE if (out_st.st_mode != 0 && st.st_dev == out_st.st_dev && st.st_ino == out_st.st_ino) { @@ -1784,19 +1791,19 @@ report_file_error ("I/O error", list1 (newname)); if (input_file_statable_p) - { - if (!NILP (keep_time)) { - EMACS_TIME atime, mtime; - EMACS_SET_SECS_USECS (atime, st.st_atime, 0); - EMACS_SET_SECS_USECS (mtime, st.st_mtime, 0); - if (set_file_times ((char *) XSTRING_DATA (newname), atime, - mtime)) - report_file_error ("I/O error", list1 (newname)); + if (!NILP (keep_time)) + { + EMACS_TIME atime, mtime; + EMACS_SET_SECS_USECS (atime, st.st_atime, 0); + EMACS_SET_SECS_USECS (mtime, st.st_mtime, 0); + if (set_file_times ((char *) XSTRING_DATA (newname), atime, + mtime)) + report_file_error ("I/O error", list1 (newname)); + } + chmod ((const char *) XSTRING_DATA (newname), + st.st_mode & 07777); } - chmod ((CONST char *) XSTRING_DATA (newname), - st.st_mode & 07777); - } /* We'll close it by hand */ XCAR (ofd_locative) = Qnil; @@ -1832,7 +1839,7 @@ { return Fsignal (Qfile_error, list3 (build_translated_string ("Creating directory"), - build_translated_string ("pathame too long"), + build_translated_string ("pathname too long"), dirname_)); } strncpy (dir, (char *) XSTRING_DATA (dirname_), @@ -1874,8 +1881,8 @@ } DEFUN ("delete-file", Fdelete_file, 1, 1, "fDelete file: ", /* -Delete specified file. One argument, a file name string. -If file has multiple names, it continues to exist with the other names. +Delete the file named FILENAME (a string). +If FILENAME has multiple names, it continues to exist with the other names. */ (filename)) { @@ -1972,13 +1979,10 @@ INTP (ok_if_already_exists), 0); /* Syncing with FSF 19.34.6 note: FSF does not have conditional code for - WINDOWSNT here; I've removed it. --marcpa */ - - /* FSFmacs only calls rename() here under BSD 4.1, and calls - link() and unlink() otherwise, but that's bogus. Sometimes - rename() succeeds where link()/unlink() fail, and we have - configure check for rename() and emulate using link()/unlink() - if necessary. */ + WIN32_NATIVE here; I've removed it. --marcpa */ + + /* We have configure check for rename() and emulate using + link()/unlink() if necessary. */ if (0 > rename ((char *) XSTRING_DATA (filename), (char *) XSTRING_DATA (newname))) { @@ -2043,10 +2047,10 @@ /* But FSF #defines link as sys_link which is supplied in nt.c. We can't do that because sysfile.h defines sys_link depending on ENCAPSULATE_LINK. Reverted to previous behavior pending a working fix. (jhar) */ -#if defined(WINDOWSNT) +#if defined(WIN32_NATIVE) /* Windows does not support this operation. */ report_file_error ("Adding new name", Flist (2, &filename)); -#else /* not defined(WINDOWSNT) */ +#else /* not defined(WIN32_NATIVE) */ unlink ((char *) XSTRING_DATA (newname)); if (0 > link ((char *) XSTRING_DATA (filename), @@ -2055,13 +2059,12 @@ report_file_error ("Adding new name", list2 (filename, newname)); } -#endif /* defined(WINDOWSNT) */ +#endif /* defined(WIN32_NATIVE) */ UNGCPRO; return Qnil; } -#ifdef S_IFLNK DEFUN ("make-symbolic-link", Fmake_symbolic_link, 2, 3, "FMake symbolic link to file: \nFMake symbolic link to file %s: \np", /* Make a symbolic link to FILENAME, named LINKNAME. Both args strings. @@ -2073,6 +2076,7 @@ (filename, linkname, ok_if_already_exists)) { /* This function can GC. GC checked 1997.06.04. */ + /* XEmacs change: run handlers even if local machine doesn't have symlinks */ Lisp_Object handler; struct gcpro gcpro1, gcpro2; @@ -2100,6 +2104,7 @@ RETURN_UNGCPRO (call4 (handler, Qmake_symbolic_link, filename, linkname, ok_if_already_exists)); +#ifdef S_IFLNK if (NILP (ok_if_already_exists) || INTP (ok_if_already_exists)) barf_or_query_if_file_exists (linkname, "make it a link", @@ -2112,10 +2117,11 @@ report_file_error ("Making symbolic link", list2 (filename, linkname)); } +#endif /* S_IFLNK */ + UNGCPRO; return Qnil; } -#endif /* S_IFLNK */ #ifdef HPUX_NET @@ -2134,8 +2140,8 @@ /* netunam, being a strange-o system call only used once, is not encapsulated. */ - TO_EXTERNAL_FORMAT (LISP_STRING, path, C_STRING_ALLOCA, path_ext, Qfile_name); - TO_EXTERNAL_FORMAT (LISP_STRING, login, C_STRING_ALLOCA, login_ext, Qnative); + LISP_STRING_TO_EXTERNAL (path, path_ext, Qfile_name); + LISP_STRING_TO_EXTERNAL (login, login_ext, Qnative); netresult = netunam (path_ext, login_ext); @@ -2155,7 +2161,7 @@ CHECK_STRING (filename); ptr = XSTRING_DATA (filename); return (IS_DIRECTORY_SEP (*ptr) || *ptr == '~' -#ifdef WINDOWSNT +#ifdef WIN32_NATIVE || (IS_DRIVE (*ptr) && ptr[1] == ':' && IS_DIRECTORY_SEP (ptr[2])) #endif ) ? Qt : Qnil; @@ -2166,37 +2172,37 @@ static int check_executable (char *filename) { -#ifdef WINDOWSNT +#ifdef WIN32_NATIVE struct stat st; - if (stat (filename, &st) < 0) + if (xemacs_stat (filename, &st) < 0) return 0; return ((st.st_mode & S_IEXEC) != 0); -#else /* not WINDOWSNT */ +#else /* not WIN32_NATIVE */ #ifdef HAVE_EACCESS - return eaccess (filename, 1) >= 0; + return eaccess (filename, X_OK) >= 0; #else /* Access isn't quite right because it uses the real uid and we really want to test with the effective uid. But Unix doesn't give us a right way to do it. */ - return access (filename, 1) >= 0; + return access (filename, X_OK) >= 0; #endif /* HAVE_EACCESS */ -#endif /* not WINDOWSNT */ +#endif /* not WIN32_NATIVE */ } /* Return nonzero if file FILENAME exists and can be written. */ static int -check_writable (CONST char *filename) +check_writable (const char *filename) { #ifdef HAVE_EACCESS - return (eaccess (filename, 2) >= 0); + return (eaccess (filename, W_OK) >= 0); #else /* Access isn't quite right because it uses the real uid and we really want to test with the effective uid. But Unix doesn't give us a right way to do it. Opening with O_WRONLY could work for an ordinary file, but would lose for directories. */ - return (access (filename, 2) >= 0); + return (access (filename, W_OK) >= 0); #endif } @@ -2206,7 +2212,7 @@ */ (filename)) { - /* This function can call lisp */ + /* This function can call lisp; GC checked 2000-07-11 ben */ Lisp_Object abspath; Lisp_Object handler; struct stat statbuf; @@ -2223,7 +2229,7 @@ if (!NILP (handler)) return call2 (handler, Qfile_exists_p, abspath); - return stat ((char *) XSTRING_DATA (abspath), &statbuf) >= 0 ? Qt : Qnil; + return xemacs_stat ((char *) XSTRING_DATA (abspath), &statbuf) >= 0 ? Qt : Qnil; } DEFUN ("file-executable-p", Ffile_executable_p, 1, 1, 0, /* @@ -2233,7 +2239,7 @@ (filename)) { - /* This function can GC. GC checked 1997.04.10. */ + /* This function can GC. GC checked 07-11-2000 ben. */ Lisp_Object abspath; Lisp_Object handler; struct gcpro gcpro1; @@ -2273,14 +2279,14 @@ if (!NILP (handler)) RETURN_UNGCPRO (call2 (handler, Qfile_readable_p, abspath)); -#if defined(WINDOWSNT) || defined(__CYGWIN32__) +#if defined(WIN32_NATIVE) || defined(CYGWIN) /* Under MS-DOS and Windows, open does not work for directories. */ UNGCPRO; if (access (XSTRING_DATA (abspath), 0) == 0) return Qt; else return Qnil; -#else /* not WINDOWSNT */ +#else /* not WIN32_NATIVE */ { int desc = interruptible_open ((char *) XSTRING_DATA (abspath), O_RDONLY | OPEN_BINARY, 0); UNGCPRO; @@ -2289,7 +2295,7 @@ close (desc); return Qt; } -#endif /* not WINDOWSNT */ +#endif /* not WIN32_NATIVE */ } /* Having this before file-symlink-p mysteriously caused it to be forgotten @@ -2316,7 +2322,7 @@ if (!NILP (handler)) return call2 (handler, Qfile_writable_p, abspath); - if (stat ((char *) XSTRING_DATA (abspath), &statbuf) >= 0) + if (xemacs_stat ((char *) XSTRING_DATA (abspath), &statbuf) >= 0) return (check_writable ((char *) XSTRING_DATA (abspath)) ? Qt : Qnil); @@ -2337,11 +2343,13 @@ (filename)) { /* This function can GC. GC checked 1997.04.10. */ + /* XEmacs change: run handlers even if local machine doesn't have symlinks */ #ifdef S_IFLNK char *buf; int bufsize; int valsize; Lisp_Object val; +#endif Lisp_Object handler; struct gcpro gcpro1; @@ -2356,6 +2364,7 @@ if (!NILP (handler)) return call2 (handler, Qfile_symlink_p, filename); +#ifdef S_IFLNK bufsize = 100; while (1) { @@ -2406,7 +2415,7 @@ if (!NILP (handler)) return call2 (handler, Qfile_directory_p, abspath); - if (stat ((char *) XSTRING_DATA (abspath), &st) < 0) + if (xemacs_stat ((char *) XSTRING_DATA (abspath), &st) < 0) return Qnil; return (st.st_mode & S_IFMT) == S_IFDIR ? Qt : Qnil; } @@ -2431,7 +2440,7 @@ return call2 (handler, Qfile_accessible_directory_p, filename); -#if !defined(WINDOWSNT) +#if !defined(WIN32_NATIVE) if (NILP (Ffile_directory_p (filename))) return (Qnil); else @@ -2452,7 +2461,7 @@ UNGCPRO; return tem ? Qnil : Qt; } -#endif /* !defined(WINDOWSNT) */ +#endif /* !defined(WIN32_NATIVE) */ } DEFUN ("file-regular-p", Ffile_regular_p, 1, 1, 0, /* @@ -2479,7 +2488,7 @@ if (!NILP (handler)) return call2 (handler, Qfile_regular_p, abspath); - if (stat ((char *) XSTRING_DATA (abspath), &st) < 0) + if (xemacs_stat ((char *) XSTRING_DATA (abspath), &st) < 0) return Qnil; return (st.st_mode & S_IFMT) == S_IFREG ? Qt : Qnil; } @@ -2508,14 +2517,14 @@ if (!NILP (handler)) return call2 (handler, Qfile_modes, abspath); - if (stat ((char *) XSTRING_DATA (abspath), &st) < 0) + if (xemacs_stat ((char *) XSTRING_DATA (abspath), &st) < 0) return Qnil; /* Syncing with FSF 19.34.6 note: not in FSF, #if 0'ed out here. */ #if 0 -#ifdef DOS_NT +#ifdef WIN32_NATIVE if (check_executable (XSTRING_DATA (abspath))) st.st_mode |= S_IEXEC; -#endif /* DOS_NT */ +#endif /* WIN32_NATIVE */ #endif /* 0 */ return make_int (st.st_mode & 07777); @@ -2589,7 +2598,7 @@ */ ()) { -#ifndef WINDOWSNT +#ifndef WIN32_NATIVE sync (); #endif return Qnil; @@ -2630,12 +2639,12 @@ return call3 (handler, Qfile_newer_than_file_p, abspath1, abspath2); - if (stat ((char *) XSTRING_DATA (abspath1), &st) < 0) + if (xemacs_stat ((char *) XSTRING_DATA (abspath1), &st) < 0) return Qnil; mtime1 = st.st_mtime; - if (stat ((char *) XSTRING_DATA (abspath2), &st) < 0) + if (xemacs_stat ((char *) XSTRING_DATA (abspath2), &st) < 0) return Qt; return (mtime1 > st.st_mtime) ? Qt : Qnil; @@ -2725,7 +2734,7 @@ fd = -1; - if (stat ((char *) XSTRING_DATA (filename), &st) < 0) + if (xemacs_stat ((char *) XSTRING_DATA (filename), &st) < 0) { if (fd >= 0) close (fd); badopen: @@ -3112,12 +3121,12 @@ */ (start, end, filename, append, visit, lockname, codesys)) { - /* This function can call lisp */ + /* This function can call lisp. GC checked 2000-07-28 ben */ int desc; int failure; int save_errno = 0; struct stat st; - Lisp_Object fn; + Lisp_Object fn = Qnil; int speccount = specpdl_depth (); int visiting_other = STRINGP (visit); int visiting = (EQ (visit, Qt) || visiting_other); @@ -3126,28 +3135,37 @@ Lisp_Object annotations = Qnil; struct buffer *given_buffer; Bufpos start1, end1; - - /* #### dmoore - if Fexpand_file_name or handlers kill the buffer, + struct gcpro gcpro1, gcpro2, gcpro3, gcpro4, gcpro5; + struct gcpro ngcpro1, ngcpro2; + Lisp_Object curbuf; + + XSETBUFFER (curbuf, current_buffer); + + /* start, end, visit, and append are never modified in this fun + so we don't protect them. */ + GCPRO5 (visit_file, filename, codesys, lockname, annotations); + NGCPRO2 (curbuf, fn); + + /* [[ dmoore - if Fexpand_file_name or handlers kill the buffer, we should signal an error rather than blissfully continuing along. ARGH, this function is going to lose lose lose. We need to protect the current_buffer from being destroyed, but the - multiple return points make this a pain in the butt. */ + multiple return points make this a pain in the butt. ]] we do + protect curbuf now. --ben */ #ifdef FILE_CODING codesys = Fget_coding_system (codesys); #endif /* FILE_CODING */ if (current_buffer->base_buffer && ! NILP (visit)) - error ("Cannot do file visiting in an indirect buffer"); + invalid_operation ("Cannot do file visiting in an indirect buffer", + curbuf); if (!NILP (start) && !STRINGP (start)) get_buffer_range_char (current_buffer, start, end, &start1, &end1, 0); { Lisp_Object handler; - struct gcpro gcpro1, gcpro2, gcpro3, gcpro4, gcpro5; - - GCPRO5 (start, filename, visit, visit_file, lockname); if (visiting_other) visit_file = Fexpand_file_name (visit, Qnil); @@ -3155,11 +3173,11 @@ visit_file = filename; filename = Fexpand_file_name (filename, Qnil); - UNGCPRO; - if (NILP (lockname)) lockname = visit_file; + /* We used to UNGCPRO here. BAD! visit_file is used below after + more Lisp calling. */ /* If the file name has special constructs in it, call the corresponding file handler. */ handler = Ffind_file_name_handler (filename, Qwrite_region); @@ -3178,21 +3196,15 @@ current_buffer->filename = visit_file; MARK_MODELINE_CHANGED; } + NUNGCPRO; + UNGCPRO; return val; } } #ifdef CLASH_DETECTION if (!auto_saving) - { - Lisp_Object curbuf; - struct gcpro gcpro1, gcpro2, gcpro3, gcpro4, gcpro5; - - XSETBUFFER (curbuf, current_buffer); - GCPRO5 (start, filename, visit_file, lockname, curbuf); - lock_file (lockname); - UNGCPRO; - } + lock_file (lockname); #endif /* CLASH_DETECTION */ /* Special kludge to simplify auto-saving. */ @@ -3221,8 +3233,8 @@ if (desc < 0) { desc = open ((char *) XSTRING_DATA (fn), - (O_WRONLY | O_TRUNC | O_CREAT | OPEN_BINARY), - ((auto_saving) ? auto_save_mode_bits : CREAT_MODE)); + O_WRONLY | O_TRUNC | O_CREAT | OPEN_BINARY, + auto_saving ? auto_save_mode_bits : CREAT_MODE); } if (desc < 0) @@ -3238,9 +3250,9 @@ { Lisp_Object desc_locative = Fcons (make_int (desc), Qnil); Lisp_Object instream = Qnil, outstream = Qnil; - struct gcpro gcpro1, gcpro2; + struct gcpro nngcpro1, nngcpro2; /* need to gcpro; QUIT could happen out of call to write() */ - GCPRO2 (instream, outstream); + NNGCPRO2 (instream, outstream); record_unwind_protect (close_file_unwind, desc_locative); @@ -3298,7 +3310,6 @@ save_errno = errno; } Lstream_close (XLSTREAM (instream)); - UNGCPRO; #ifdef HAVE_FSYNC /* Note fsync appears to change the modtime on BSD4.2 (both vax and sun). @@ -3318,7 +3329,7 @@ systems where close() can change the modtime. This is known to happen on various NFS file systems, on Windows, and on Linux. Rather than handling this on a per-system basis, we - unconditionally do the stat() after the close(). */ + unconditionally do the xemacs_stat() after the close(). */ /* NFS can report a write failure now. */ if (close (desc) < 0) @@ -3332,9 +3343,11 @@ as necessary). */ XCAR (desc_locative) = Qnil; unbind_to (speccount, Qnil); + + NNUNGCPRO; } - stat ((char *) XSTRING_DATA (fn), &st); + xemacs_stat ((char *) XSTRING_DATA (fn), &st); #ifdef CLASH_DETECTION if (!auto_saving) @@ -3348,9 +3361,10 @@ current_buffer->modtime = st.st_mtime; if (failure) - error ("IO error writing %s: %s", - XSTRING_DATA (fn), - strerror (save_errno)); + { + errno = save_errno; + report_file_error ("Writing file", list1 (fn)); + } if (visiting) { @@ -3361,6 +3375,8 @@ } else if (quietly) { + NUNGCPRO; + UNGCPRO; return Qnil; } @@ -3370,19 +3386,21 @@ message ("Wrote %s", XSTRING_DATA (visit_file)); else { - struct gcpro gcpro1; Lisp_Object fsp; - GCPRO1 (fn); - + struct gcpro nngcpro1; + + NNGCPRO1 (fsp); fsp = Ffile_symlink_p (fn); if (NILP (fsp)) message ("Wrote %s", XSTRING_DATA (fn)); else message ("Wrote %s (symlink to %s)", XSTRING_DATA (fn), XSTRING_DATA (fsp)); - UNGCPRO; + NNUNGCPRO; } } + NUNGCPRO; + UNGCPRO; return Qnil; } @@ -3634,7 +3652,7 @@ */ (buf)) { - /* This function can call lisp */ + /* This function can call lisp; GC checked 2000-07-11 ben */ struct buffer *b; struct stat st; Lisp_Object handler; @@ -3652,7 +3670,7 @@ if (!NILP (handler)) return call2 (handler, Qverify_visited_file_modtime, buf); - if (stat ((char *) XSTRING_DATA (b->filename), &st) < 0) + if (xemacs_stat ((char *) XSTRING_DATA (b->filename), &st) < 0) { /* If the file doesn't exist now and didn't exist before, we say that it isn't modified, provided the error is a tame one. */ @@ -3724,7 +3742,7 @@ if (!NILP (handler)) /* The handler can find the file name the same way we did. */ return call2 (handler, Qset_visited_file_modtime, Qnil); - else if (stat ((char *) XSTRING_DATA (filename), &st) >= 0) + else if (xemacs_stat ((char *) XSTRING_DATA (filename), &st) >= 0) current_buffer->modtime = st.st_mtime; } @@ -3765,7 +3783,7 @@ /* Get visited file's mode to become the auto save file's mode. */ if (STRINGP (fn) && - stat ((char *) XSTRING_DATA (fn), &st) >= 0) + xemacs_stat ((char *) XSTRING_DATA (fn), &st) >= 0) /* But make sure we can overwrite it later! */ auto_save_mode_bits = st.st_mode | 0600; else @@ -3954,10 +3972,10 @@ set_buffer_internal (b); if (!auto_saved && NILP (no_message)) { - static CONST unsigned char *msg - = (CONST unsigned char *) "Auto-saving..."; + static const unsigned char *msg + = (const unsigned char *) "Auto-saving..."; echo_area_message (selected_frame (), msg, Qnil, - 0, strlen ((CONST char *) msg), + 0, strlen ((const char *) msg), Qauto_saving); } @@ -3983,7 +4001,7 @@ auto save name. */ if (listdesc >= 0) { - CONST Extbyte *auto_save_file_name_ext; + const Extbyte *auto_save_file_name_ext; Extcount auto_save_file_name_ext_len; TO_EXTERNAL_FORMAT (LISP_STRING, b->auto_save_file_name, @@ -3992,7 +4010,7 @@ Qfile_name); if (!NILP (b->filename)) { - CONST Extbyte *filename_ext; + const Extbyte *filename_ext; Extcount filename_ext_len; TO_EXTERNAL_FORMAT (LISP_STRING, b->filename, @@ -4061,10 +4079,10 @@ if (auto_saved && NILP (no_message) && NILP (clear_echo_area (selected_frame (), Qauto_saving, 0))) { - static CONST unsigned char *msg - = (CONST unsigned char *)"Auto-saving...done"; + static const unsigned char *msg + = (const unsigned char *)"Auto-saving...done"; echo_area_message (selected_frame (), msg, Qnil, 0, - strlen ((CONST char *) msg), Qauto_saving); + strlen ((const char *) msg), Qauto_saving); } Vquit_flag = oquit; @@ -4150,9 +4168,8 @@ defsymbol (&Qformat_annotate_function, "format-annotate-function"); defsymbol (&Qcompute_buffer_file_truename, "compute-buffer-file-truename"); - deferror (&Qfile_error, "file-error", "File error", Qio_error); - deferror (&Qfile_already_exists, "file-already-exists", - "File already exists", Qfile_error); + DEFERROR_STANDARD (Qfile_error, Qio_error); + DEFERROR_STANDARD (Qfile_already_exists, Qfile_error); DEFSUBR (Ffind_file_name_handler); @@ -4171,9 +4188,7 @@ DEFSUBR (Fdelete_file); DEFSUBR (Frename_file); DEFSUBR (Fadd_name_to_file); -#ifdef S_IFLNK DEFSUBR (Fmake_symbolic_link); -#endif /* S_IFLNK */ #ifdef HPUX_NET DEFSUBR (Fsysnetunam); #endif /* HPUX_NET */ @@ -4299,9 +4314,31 @@ on other platforms, it is initialized so that Lisp code can find out what the normal separator is. */ ); -#ifdef WINDOWSNT +#ifdef WIN32_NATIVE Vdirectory_sep_char = make_char ('\\'); #else - Vdirectory_sep_char = make_char ('/'); + Vdirectory_sep_char = make_char ('/'); #endif + + reinit_vars_of_fileio (); } + +void +reinit_vars_of_fileio (void) +{ + /* We want temp_name_rand to be initialized to a value likely to be + unique to the process, not to the executable. The danger is that + two different XEmacs processes using the same binary on different + machines creating temp files in the same directory will be + unlucky enough to have the same pid. If we randomize using + process startup time, then in practice they will be unlikely to + collide. We use the microseconds field so that scripts that start + simultaneous XEmacs processes on multiple machines will have less + chance of collision. */ + { + EMACS_TIME thyme; + + EMACS_GET_TIME (thyme); + temp_name_rand = (unsigned int) (EMACS_SECS (thyme) ^ EMACS_USECS (thyme)); + } +}