#include <sys/stat.h>
#include <tic.h>
-#include <term.h>
#include <term_entry.h>
#ifndef S_ISDIR
#define S_ISDIR(mode) ((mode & S_IFMT) == S_IFDIR)
#endif
-MODULE_ID("$Id: write_entry.c,v 1.22 1998/02/11 12:13:59 tom Exp $")
+#if 0
+#define TRACE_OUT(p) DEBUG(2, p)
+#else
+#define TRACE_OUT(p) /*nothing*/
+#endif
+
+MODULE_ID("$Id: write_entry.c,v 1.47 1999/07/10 20:29:22 tom Exp $")
static int total_written;
static void write_file(char *filename, TERMTYPE *tp)
{
- FILE *fp = fopen(filename, "wb");
+ FILE *fp = (_nc_access(filename, W_OK) == 0) ? fopen(filename, "wb") : 0;
if (fp == 0) {
perror(filename);
_nc_syserr_abort("can't open %s/%s", _nc_tic_dir(0), filename);
char fullpath[PATH_MAX];
const char *destination = _nc_tic_dir(0);
- if (path == destination || *path == '/')
+ if (path == destination || *path == '/') {
+ if (strlen(path) + 1 > sizeof(fullpath))
+ return(-1);
(void)strcpy(fullpath, path);
- else
+ } else {
+ if (strlen(destination) + strlen(path) + 2 > sizeof(fullpath))
+ return(-1);
(void)sprintf(fullpath, "%s/%s", destination, path);
+ }
if ((rc = stat(path, &statbuf)) < 0) {
rc = mkdir(path, 0777);
} else {
- if (access(path, R_OK|W_OK|X_OK) < 0) {
+ if (_nc_access(path, R_OK|W_OK|X_OK) < 0) {
rc = -1; /* permission denied */
} else if (!(S_ISDIR(statbuf.st_mode))) {
rc = -1; /* not a directory */
/* set the write directory for compiled entries */
{
const char *destination;
+ char actual[PATH_MAX];
if (dir != 0)
(void) _nc_tic_dir(dir);
destination = _nc_tic_dir(0);
if (make_directory(destination) < 0)
{
- char *home;
-
- /* ncurses extension...fall back on user's private directory */
- if ((home = getenv("HOME")) != (char *)NULL)
- {
- char *temp = malloc(sizeof(PRIVATE_INFO) + strlen(home));
- (void) sprintf(temp, PRIVATE_INFO, home);
- destination = temp;
+ char *home = _nc_home_terminfo();
+ if (home != 0) {
+ destination = home;
if (make_directory(destination) < 0)
_nc_err_abort("%s: permission denied (errno %d)",
destination, errno);
* Note: because of this code, this logic should be exercised
* *once only* per run.
*/
- if (chdir(_nc_tic_dir(destination)) < 0)
+ if (chdir(_nc_tic_dir(destination)) < 0
+ || getcwd(actual, sizeof(actual)) == 0)
_nc_err_abort("%s: not a directory", destination);
+ _nc_keep_tic_dir(strdup(actual));
}
/*
_nc_warning("terminal alias %s too long.", ptr);
continue;
}
+ if (strchr(ptr, '/') != 0) {
+ _nc_warning("cannot link alias %s.", ptr);
+ continue;
+ }
check_writeable(ptr[0]);
sprintf(linkname, "%c/%s", ptr[0], ptr);
{
_nc_warning("alias %s multiply defined.", ptr);
}
- else
+ else if (_nc_access(linkname, W_OK) == 0)
#if HAVE_LINK
{
+ int code;
#if USE_SYMLINKS
strcpy(symlinkname, "../");
- strcat(symlinkname, filename);
+ strncat(symlinkname, filename, sizeof(symlinkname) - 4);
+ symlinkname[sizeof(symlinkname) - 1] = '\0';
#endif /* USE_SYMLINKS */
#if HAVE_REMOVE
- remove(linkname);
+ code = remove(linkname);
#else
- unlink(linkname);
+ code = unlink(linkname);
#endif
+ if (code != 0 && errno == ENOENT)
+ code = 0;
#if USE_SYMLINKS
if (symlink(symlinkname, linkname) < 0)
#else
if (link(filename, linkname) < 0)
#endif /* USE_SYMLINKS */
- _nc_syserr_abort("can't link %s to %s", filename, linkname);
- DEBUG(1, ("Linked %s", linkname));
+ {
+ /*
+ * If there wasn't anything there, and we cannot
+ * link to the target because it is the same as the
+ * target, then the source must be on a filesystem
+ * that uses caseless filenames, such as Win32, etc.
+ */
+ if (code == 0 && errno == EEXIST)
+ _nc_warning("can't link %s to %s", filename, linkname);
+ else if (code == 0 && errno == EPERM)
+ write_file(linkname, tp);
+ else
+ _nc_syserr_abort("can't link %s to %s", filename, linkname);
+ }
+ else
+ {
+ DEBUG(1, ("Linked %s", linkname));
+ }
}
#else /* just make copies */
write_file(linkname, tp);
#define LO(x) ((x) % 256)
#define LITTLE_ENDIAN(p, x) (p)[0] = LO(x), (p)[1] = HI(x)
+#define WRITE_STRING(str) (fwrite(str, sizeof(char), strlen(str) + 1, fp) == strlen(str) + 1)
+
+static int compute_offsets(char **Strings, int strmax, short *offsets)
+{
+ size_t nextfree = 0;
+ int i;
+
+ for (i = 0; i < strmax; i++) {
+ if (Strings[i] == ABSENT_STRING) {
+ offsets[i] = -1;
+ } else if (Strings[i] == CANCELLED_STRING) {
+ offsets[i] = -2;
+ } else {
+ offsets[i] = nextfree;
+ nextfree += strlen(Strings[i]) + 1;
+ TRACE_OUT(("put Strings[%d]=%s(%d)", i, _nc_visbuf(Strings[i]), nextfree));
+ }
+ }
+ return nextfree;
+}
+
+static void convert_shorts(unsigned char *buf, short *Numbers, int count)
+{
+ int i;
+ for (i = 0; i < count; i++) {
+ if (Numbers[i] == -1) { /* HI/LO won't work */
+ buf[2*i] = buf[2*i + 1] = 0377;
+ } else if (Numbers[i] == -2) { /* HI/LO won't work */
+ buf[2*i] = 0376;
+ buf[2*i + 1] = 0377;
+ } else {
+ LITTLE_ENDIAN(buf + 2*i, Numbers[i]);
+ TRACE_OUT(("put Numbers[%d]=%d", i, Numbers[i]));
+ }
+ }
+}
+
+#define even_boundary(value) \
+ ((value) % 2 != 0 && fwrite(&zero, sizeof(char), 1, fp) != 1)
+
static int write_object(FILE *fp, TERMTYPE *tp)
{
char *namelist;
char zero = '\0';
size_t i;
short nextfree;
-short offsets[STRCOUNT];
+short offsets[MAX_ENTRY_SIZE/2];
unsigned char buf[MAX_ENTRY_SIZE];
namelist = tp->term_names;
namelen = strlen(namelist) + 1;
+ /*
+ * BOOLWRITE, etc., are less than BOOLCOUNT because we store some
+ * values internally.
+ */
boolmax = 0;
- for (i = 0; i < BOOLWRITE; i++)
- if (tp->Booleans[i])
- boolmax = i+1;
+ for (i = 0; i < BOOLWRITE; i++) {
+ if (tp->Booleans[i])
+ boolmax = i+1;
+ }
nummax = 0;
- for (i = 0; i < NUMWRITE; i++)
- if (tp->Numbers[i] != ABSENT_NUMERIC)
- nummax = i+1;
+ for (i = 0; i < NUMWRITE; i++) {
+ if (tp->Numbers[i] != ABSENT_NUMERIC)
+ nummax = i+1;
+ }
strmax = 0;
- for (i = 0; i < STRWRITE; i++)
- if (tp->Strings[i] != ABSENT_STRING)
- strmax = i+1;
+ for (i = 0; i < STRWRITE; i++) {
+ if (tp->Strings[i] != ABSENT_STRING)
+ strmax = i+1;
+ }
- nextfree = 0;
- for (i = 0; i < strmax; i++)
- if (tp->Strings[i] == ABSENT_STRING)
- offsets[i] = -1;
- else if (tp->Strings[i] == CANCELLED_STRING)
- offsets[i] = -2;
- else
- {
- offsets[i] = nextfree;
- nextfree += strlen(tp->Strings[i]) + 1;
- }
+ nextfree = compute_offsets(tp->Strings, strmax, offsets);
/* fill in the header */
LITTLE_ENDIAN(buf, MAGIC);
LITTLE_ENDIAN(buf+10, nextfree);
/* write out the header */
+ TRACE_OUT(("Header of %s @%ld", namelist, ftell(fp)));
if (fwrite(buf, 12, 1, fp) != 1
- || fwrite(namelist, sizeof(char), (size_t)namelen, fp) != namelen
- || fwrite(tp->Booleans, sizeof(char), (size_t)boolmax, fp) != boolmax)
- return(ERR);
+ || fwrite(namelist, sizeof(char), namelen, fp) != namelen
+ || fwrite(tp->Booleans, sizeof(char), boolmax, fp) != boolmax)
+ return(ERR);
- /* the even-boundary padding byte */
- if ((namelen+boolmax) % 2 != 0 && fwrite(&zero, sizeof(char), 1, fp) != 1)
- return(ERR);
+ if (even_boundary(namelen+boolmax))
+ return(ERR);
-#ifdef SHOWOFFSET
- (void) fprintf(stderr, "Numerics begin at %04lx\n", ftell(fp));
-#endif /* SHOWOFFSET */
+ TRACE_OUT(("Numerics begin at %04lx", ftell(fp)));
/* the numerics */
- for (i = 0; i < nummax; i++)
- {
- if (tp->Numbers[i] == -1) /* HI/LO won't work */
- buf[2*i] = buf[2*i + 1] = 0377;
- else
- LITTLE_ENDIAN(buf + 2*i, tp->Numbers[i]);
- }
- if (fwrite(buf, 2, (size_t)nummax, fp) != nummax)
- return(ERR);
+ convert_shorts(buf, tp->Numbers, nummax);
+ if (fwrite(buf, 2, nummax, fp) != nummax)
+ return(ERR);
-#ifdef SHOWOFFSET
- (void) fprintf(stderr, "String offets begin at %04lx\n", ftell(fp));
-#endif /* SHOWOFFSET */
+ TRACE_OUT(("String offsets begin at %04lx", ftell(fp)));
/* the string offsets */
- for (i = 0; i < strmax; i++)
- if (offsets[i] == -1) /* HI/LO won't work */
- buf[2*i] = buf[2*i + 1] = 0377;
- else if (offsets[i] == -2) /* HI/LO won't work */
- {
- buf[2*i] = 0376;
- buf[2*i + 1] = 0377;
- }
- else
- LITTLE_ENDIAN(buf + 2*i, offsets[i]);
- if (fwrite(buf, 2, (size_t)strmax, fp) != strmax)
- return(ERR);
+ convert_shorts(buf, offsets, strmax);
+ if (fwrite(buf, 2, strmax, fp) != strmax)
+ return(ERR);
-#ifdef SHOWOFFSET
- (void) fprintf(stderr, "String table begins at %04lx\n", ftell(fp));
-#endif /* SHOWOFFSET */
+ TRACE_OUT(("String table begins at %04lx", ftell(fp)));
/* the strings */
for (i = 0; i < strmax; i++)
- if (tp->Strings[i] != ABSENT_STRING && tp->Strings[i] != CANCELLED_STRING)
- if (fwrite(tp->Strings[i], sizeof(char), strlen(tp->Strings[i]) + 1, fp) != strlen(tp->Strings[i]) + 1)
+ if (VALID_STRING(tp->Strings[i]))
+ if (!WRITE_STRING(tp->Strings[i]))
+ return(ERR);
+
+#if NCURSES_XNAMES
+ if (NUM_EXT_NAMES(tp)) {
+ unsigned extcnt = NUM_EXT_NAMES(tp);
+
+ if (even_boundary(nextfree))
+ return(ERR);
+
+ nextfree = compute_offsets(tp->Strings + STRCOUNT, tp->ext_Strings, offsets);
+ TRACE_OUT(("after extended string capabilities, nextfree=%d", nextfree));
+ nextfree += compute_offsets(tp->ext_Names, extcnt, offsets + tp->ext_Strings);
+ TRACE_OUT(("after extended capnames, nextfree=%d", nextfree));
+ strmax = tp->ext_Strings + extcnt;
+
+ /*
+ * Write the extended header
+ */
+ LITTLE_ENDIAN(buf+0, tp->ext_Booleans);
+ LITTLE_ENDIAN(buf+2, tp->ext_Numbers);
+ LITTLE_ENDIAN(buf+4, tp->ext_Strings);
+ LITTLE_ENDIAN(buf+6, strmax);
+ LITTLE_ENDIAN(buf+8, nextfree);
+ TRACE_OUT(("WRITE extended-header @%ld", ftell(fp)));
+ if (fwrite(buf, 10, 1, fp) != 1)
+ return(ERR);
+
+ TRACE_OUT(("WRITE %d booleans @%ld", tp->ext_Booleans, ftell(fp)));
+ if (tp->ext_Booleans
+ && fwrite(tp->Booleans + BOOLCOUNT, sizeof(char), tp->ext_Booleans, fp) != tp->ext_Booleans)
+ return(ERR);
+
+ if (even_boundary(tp->ext_Booleans))
+ return(ERR);
+
+ TRACE_OUT(("WRITE %d numbers @%ld", tp->ext_Numbers, ftell(fp)));
+ if (tp->ext_Numbers) {
+ convert_shorts(buf, tp->Numbers + NUMCOUNT, tp->ext_Numbers);
+ if (fwrite(buf, 2, tp->ext_Numbers, fp) != tp->ext_Numbers)
return(ERR);
+ }
+
+ /*
+ * Convert the offsets for the ext_Strings and ext_Names tables,
+ * in that order.
+ */
+ convert_shorts(buf, offsets, strmax);
+ TRACE_OUT(("WRITE offsets @%ld", ftell(fp)));
+ if (fwrite(buf, 2, strmax, fp) != strmax)
+ return(ERR);
+
+ /*
+ * Write the string table after the offset tables so we do not
+ * have to do anything about alignment.
+ */
+ for (i = 0; i < tp->ext_Strings; i++) {
+ if (VALID_STRING(tp->Strings[i+STRCOUNT])) {
+ TRACE_OUT(("WRITE ext_Strings[%d]=%s", i, _nc_visbuf(tp->Strings[i+STRCOUNT])));
+ if (!WRITE_STRING(tp->Strings[i+STRCOUNT]))
+ return(ERR);
+ }
+ }
+
+ /*
+ * Write the extended names
+ */
+ for (i = 0; i < extcnt; i++) {
+ TRACE_OUT(("WRITE ext_Names[%d]=%s", i, tp->ext_Names[i]));
+ if (!WRITE_STRING(tp->ext_Names[i]))
+ return(ERR);
+ }
+
+ }
+#endif /* NCURSES_XNAMES */
total_written++;
- return(OK);
+ return(OK);
}
/*
projects / ncurses.git / blobdiff