#include <sys/stat.h>
#include <sys/file.h>
#include <errno.h>
+#include <limits.h> /* for CHAR_BIT */
#include <setjmp.h>
#include "lisp.h"
#include "intervals.h"
/* This contains the last string skipped with #@. */
static char *saved_doc_string;
/* Length of buffer allocated in saved_doc_string. */
-static int saved_doc_string_size;
+static ptrdiff_t saved_doc_string_size;
/* Length of actual data in saved_doc_string. */
-static int saved_doc_string_length;
+static ptrdiff_t saved_doc_string_length;
/* This is the file position that string came from. */
static file_offset saved_doc_string_position;
is put in saved_doc_string. */
static char *prev_saved_doc_string;
/* Length of buffer allocated in prev_saved_doc_string. */
-static int prev_saved_doc_string_size;
+static ptrdiff_t prev_saved_doc_string_size;
/* Length of actual data in prev_saved_doc_string. */
-static int prev_saved_doc_string_length;
+static ptrdiff_t prev_saved_doc_string_length;
/* This is the file position that string came from. */
static file_offset prev_saved_doc_string_position;
static Lisp_Object load_unwind (Lisp_Object);
static Lisp_Object load_descriptor_unwind (Lisp_Object);
-static void invalid_syntax (const char *, int) NO_RETURN;
+static void invalid_syntax (const char *) NO_RETURN;
static void end_of_file_error (void) NO_RETURN;
\f
#ifdef DOS_NT
fmode = "rb";
#endif /* DOS_NT */
- stat (SSDATA (efound), &s1);
- SSET (efound, SBYTES (efound) - 1, 0);
- result = stat (SSDATA (efound), &s2);
- SSET (efound, SBYTES (efound) - 1, 'c');
+ result = stat (SSDATA (efound), &s1);
+ if (result == 0)
+ {
+ SSET (efound, SBYTES (efound) - 1, 0);
+ result = stat (SSDATA (efound), &s2);
+ SSET (efound, SBYTES (efound) - 1, 'c');
+ }
- if (result >= 0 && (unsigned) s1.st_mtime < (unsigned) s2.st_mtime)
+ if (result == 0 && s1.st_mtime < s2.st_mtime)
{
/* Make the progress messages mention that source is newer. */
newer = 1;
S is error string of length N (if > 0) */
static void
-invalid_syntax (const char *s, int n)
+invalid_syntax (const char *s)
{
- if (!n)
- n = strlen (s);
- xsignal1 (Qinvalid_read_syntax, make_string (s, n));
+ xsignal1 (Qinvalid_read_syntax, build_string (s));
}
UNREAD (c);
break;
}
+ if (MAX_CHAR < i)
+ error ("Hex character out of range: \\x%x...", i);
count++;
}
else if (c >= 'a' && c <= 'f') i = (i << 4) + (c - 'a') + 10;
else if (c >= 'A' && c <= 'F') i = (i << 4) + (c - 'A') + 10;
else
- {
- error ("Non-hex digit used for Unicode escape");
- break;
- }
+ error ("Non-hex digit used for Unicode escape");
}
if (i > 0x10FFFF)
error ("Non-Unicode character: 0x%x", i);
if (! valid)
{
sprintf (buf, "integer, radix %d", radix);
- invalid_syntax (buf, 0);
+ invalid_syntax (buf);
}
return string_to_number (buf, radix, 0);
return ht;
}
UNREAD (c);
- invalid_syntax ("#", 1);
+ invalid_syntax ("#");
}
if (c == '^')
{
XSETPVECTYPE (XVECTOR (tmp), PVEC_SUB_CHAR_TABLE);
return tmp;
}
- invalid_syntax ("#^^", 3);
+ invalid_syntax ("#^^");
}
- invalid_syntax ("#^", 2);
+ invalid_syntax ("#^");
}
if (c == '&')
{
version. */
&& ! (XFASTINT (length)
== (SCHARS (tmp) - 1) * BOOL_VECTOR_BITS_PER_CHAR)))
- invalid_syntax ("#&...", 5);
+ invalid_syntax ("#&...");
val = Fmake_bool_vector (length, Qnil);
memcpy (XBOOL_VECTOR (val)->data, SDATA (tmp), size_in_chars);
&= (1 << (XINT (length) % BOOL_VECTOR_BITS_PER_CHAR)) - 1;
return val;
}
- invalid_syntax ("#&...", 5);
+ invalid_syntax ("#&...");
}
if (c == '[')
{
/* Read the string itself. */
tmp = read1 (readcharfun, &ch, 0);
if (ch != 0 || !STRINGP (tmp))
- invalid_syntax ("#", 1);
+ invalid_syntax ("#");
GCPRO1 (tmp);
/* Read the intervals and their properties. */
while (1)
if (ch == 0)
plist = read1 (readcharfun, &ch, 0);
if (ch)
- invalid_syntax ("Invalid string property list", 0);
+ invalid_syntax ("Invalid string property list");
Fset_text_properties (beg, end, plist, tmp);
}
UNGCPRO;
and function definitions. */
if (c == '@')
{
- int i, nskip = 0;
+ enum { extra = 100 };
+ ptrdiff_t i, nskip = 0;
load_each_byte = 1;
/* Read a decimal integer. */
while ((c = READCHAR) >= 0
&& c >= '0' && c <= '9')
{
+ if ((STRING_BYTES_BOUND - extra) / 10 <= nskip)
+ string_overflow ();
nskip *= 10;
nskip += c - '0';
}
with prev_saved_doc_string, so we save two strings. */
{
char *temp = saved_doc_string;
- int temp_size = saved_doc_string_size;
+ ptrdiff_t temp_size = saved_doc_string_size;
file_offset temp_pos = saved_doc_string_position;
- int temp_len = saved_doc_string_length;
+ ptrdiff_t temp_len = saved_doc_string_length;
saved_doc_string = prev_saved_doc_string;
saved_doc_string_size = prev_saved_doc_string_size;
if (saved_doc_string_size == 0)
{
- saved_doc_string_size = nskip + 100;
+ saved_doc_string_size = nskip + extra;
saved_doc_string = (char *) xmalloc (saved_doc_string_size);
}
if (nskip > saved_doc_string_size)
{
- saved_doc_string_size = nskip + 100;
+ saved_doc_string_size = nskip + extra;
saved_doc_string = (char *) xrealloc (saved_doc_string,
saved_doc_string_size);
}
return read_integer (readcharfun, 2);
UNREAD (c);
- invalid_syntax ("#", 1);
+ invalid_syntax ("#");
case ';':
while ((c = READCHAR) >= 0 && c != '\n');
if (ok)
return make_number (c);
- invalid_syntax ("?", 1);
+ invalid_syntax ("?");
}
case '"':
/* Unfortunately there's no simple and accurate way to convert
non-base-10 numbers that are out of C-language range. */
if (base != 10)
- xsignal (Qoverflow_error, list1 (build_string (string)));
+ xsignal1 (Qoverflow_error, build_string (string));
}
else if (n <= (negative ? -MOST_NEGATIVE_FIXNUM : MOST_POSITIVE_FIXNUM))
{
{
if (ch == ']')
return val;
- invalid_syntax (") or . in a vector", 18);
+ invalid_syntax (") or . in a vector");
}
if (ch == ')')
return val;
doc string, caller must make it
multibyte. */
- int pos = XINT (XCDR (val));
+ EMACS_INT pos = XINT (XCDR (val));
/* Position is negative for user variables. */
if (pos < 0) pos = -pos;
if (pos >= saved_doc_string_position
return val;
}
- invalid_syntax (". in wrong context", 18);
+ invalid_syntax (". in wrong context");
}
- invalid_syntax ("] in a list", 11);
+ invalid_syntax ("] in a list");
}
tem = (read_pure && flag <= 0
? pure_cons (elt, Qnil)
intern (const char *str)
{
Lisp_Object tem;
- int len = strlen (str);
+ ptrdiff_t len = strlen (str);
Lisp_Object obarray;
obarray = Vobarray;
intern_c_string (const char *str)
{
Lisp_Object tem;
- int len = strlen (str);
+ ptrdiff_t len = strlen (str);
Lisp_Object obarray;
obarray = Vobarray;
HCoop / bpt / emacs.git / blobdiff