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Diffstat (limited to 'Build/source/texk/xdvipdfmx/src/pdfparse.c')
-rw-r--r--Build/source/texk/xdvipdfmx/src/pdfparse.c81
1 files changed, 42 insertions, 39 deletions
diff --git a/Build/source/texk/xdvipdfmx/src/pdfparse.c b/Build/source/texk/xdvipdfmx/src/pdfparse.c
index 578d2b271b8..1fc2ff0e285 100644
--- a/Build/source/texk/xdvipdfmx/src/pdfparse.c
+++ b/Build/source/texk/xdvipdfmx/src/pdfparse.c
@@ -69,7 +69,7 @@ static struct {
static int xtoi (char ch);
-static char *save = NULL;
+static const char *save = NULL;
void
dump (const char *start, const char *end)
@@ -94,7 +94,7 @@ dump (const char *start, const char *end)
} while (0)
void
-skip_line (char **start, char *end)
+skip_line (const char **start, const char *end)
{
while (*start < end && **start != '\n' && **start != '\r')
(*start)++;
@@ -110,7 +110,7 @@ skip_line (char **start, char *end)
}
void
-skip_white (char **start, char *end)
+skip_white (const char **start, const char *end)
{
/*
* The null (NUL; 0x00) character is a white-space character in PDF spec
@@ -144,9 +144,10 @@ parsed_string (const char *start, const char *end)
}
char *
-parse_number (char **start, char *end)
+parse_number (const char **start, const char *end)
{
- char *number, *p;
+ char *number;
+ const char *p;
skip_white(start, end);
p = *start;
@@ -166,9 +167,10 @@ parse_number (char **start, char *end)
}
char *
-parse_unsigned (char **start, char *end)
+parse_unsigned (const char **start, const char *end)
{
- char *number, *p;
+ char *number;
+ const char *p;
skip_white(start, end);
for (p = *start; p < end; p++) {
@@ -182,9 +184,10 @@ parse_unsigned (char **start, char *end)
}
static char *
-parse_gen_ident (char **start, char *end, const char *valid_chars)
+parse_gen_ident (const char **start, const char *end, const char *valid_chars)
{
- char *ident, *p;
+ char *ident;
+ const char *p;
/* No skip_white(start, end)? */
for (p = *start; p < end; p++) {
@@ -198,7 +201,7 @@ parse_gen_ident (char **start, char *end, const char *valid_chars)
}
char *
-parse_ident (char **start, char *end)
+parse_ident (const char **start, const char *end)
{
static const char *valid_chars =
"!\"#$&'*+,-.0123456789:;=?@ABCDEFGHIJKLMNOPQRSTUVWXYZ\\^_`abcdefghijklmnopqrstuvwxyz|~";
@@ -207,7 +210,7 @@ parse_ident (char **start, char *end)
}
char *
-parse_val_ident (char **start, char *end)
+parse_val_ident (const char **start, const char *end)
{
static const char *valid_chars =
"!\"#$&'*+,-./0123456789:;?@ABCDEFGHIJKLMNOPQRSTUVWXYZ\\^_`abcdefghijklmnopqrstuvwxyz|~";
@@ -216,7 +219,7 @@ parse_val_ident (char **start, char *end)
}
char *
-parse_opt_ident (char **start, char *end)
+parse_opt_ident (const char **start, const char *end)
{
if (*start < end && **start == '@') {
(*start)++;
@@ -228,9 +231,9 @@ parse_opt_ident (char **start, char *end)
#define DDIGITS_MAX 10
pdf_obj *
-parse_pdf_number (char **pp, char *endptr)
+parse_pdf_number (const char **pp, const char *endptr)
{
- char *p;
+ const char *p;
unsigned long ipart = 0, dpart = 0;
int nddigits = 0, sign = 1;
int has_dot = 0;
@@ -309,10 +312,10 @@ parse_pdf_number (char **pp, char *endptr)
* PDF-1.2+: Two hexadecimal digits preceded by a number sign.
*/
static int
-pn_getc (char **pp, char *endptr)
+pn_getc (const char **pp, const char *endptr)
{
int ch = 0;
- char *p;
+ const char *p;
p = *pp;
if (p[0] == '#') {
@@ -348,7 +351,7 @@ static char sbuf[PDF_STRING_LEN_MAX+1];
pdf_obj *
-parse_pdf_name (char **pp, char *endptr)
+parse_pdf_name (const char **pp, const char *endptr)
{
char name[PDF_NAME_LEN_MAX+1];
int ch, len = 0;
@@ -386,7 +389,7 @@ parse_pdf_name (char **pp, char *endptr)
}
pdf_obj *
-parse_pdf_boolean (char **pp, char *endptr)
+parse_pdf_boolean (const char **pp, const char *endptr)
{
skip_white(pp, endptr);
if (*pp + 4 <= endptr &&
@@ -411,7 +414,7 @@ parse_pdf_boolean (char **pp, char *endptr)
}
pdf_obj *
-parse_pdf_null (char **pp, char *endptr)
+parse_pdf_null (const char **pp, const char *endptr)
{
skip_white(pp, endptr);
if (*pp + 4 > endptr) {
@@ -438,10 +441,10 @@ parse_pdf_null (char **pp, char *endptr)
#define isodigit(c) ((c) >= '0' && (c) <= '7')
#endif
static int
-ps_getescc (char **pp, char *endptr)
+ps_getescc (const char **pp, const char *endptr)
{
int ch, i;
- char *p;
+ const char *p;
p = *pp + 1; /* backslash assumed. */
switch (p[0]) {
@@ -489,10 +492,10 @@ ps_getescc (char **pp, char *endptr)
}
static pdf_obj *
-parse_pdf_literal_string (char **pp, char *endptr)
+parse_pdf_literal_string (const char **pp, const char *endptr)
{
int ch, op_count = 0, len = 0;
- char *p;
+ const char *p;
p = *pp;
@@ -586,9 +589,9 @@ xtoi (char ch)
}
static pdf_obj *
-parse_pdf_hex_string (char **pp, char *endptr)
+parse_pdf_hex_string (const char **pp, const char *endptr)
{
- char *p;
+ const char *p;
long len;
p = *pp;
@@ -635,7 +638,7 @@ parse_pdf_hex_string (char **pp, char *endptr)
}
pdf_obj *
-parse_pdf_string (char **pp, char *endptr)
+parse_pdf_string (const char **pp, const char *endptr)
{
skip_white(pp, endptr);
if (*pp + 2 <= endptr) {
@@ -654,7 +657,7 @@ parse_pdf_string (char **pp, char *endptr)
#ifndef PDF_PARSE_STRICT
pdf_obj *
-parse_pdf_tainted_dict (char **pp, char *endptr)
+parse_pdf_tainted_dict (const char **pp, const char *endptr)
{
pdf_obj *result;
@@ -666,17 +669,17 @@ parse_pdf_tainted_dict (char **pp, char *endptr)
}
#else /* PDF_PARSE_STRICT */
pdf_obj *
-parse_pdf_tainted_dict (char **pp, char *endptr, int level)
+parse_pdf_tainted_dict (const char **pp, const char *endptr, int level)
{
return parse_pdf_dict(pp, endptr, NULL);
}
#endif /* !PDF_PARSE_STRICT */
pdf_obj *
-parse_pdf_dict (char **pp, char *endptr, pdf_file *pf)
+parse_pdf_dict (const char **pp, const char *endptr, pdf_file *pf)
{
pdf_obj *result = NULL;
- char *p;
+ const char *p;
p = *pp;
@@ -730,10 +733,10 @@ parse_pdf_dict (char **pp, char *endptr, pdf_file *pf)
}
pdf_obj *
-parse_pdf_array (char **pp, char *endptr, pdf_file *pf)
+parse_pdf_array (const char **pp, const char *endptr, pdf_file *pf)
{
pdf_obj *result;
- char *p;
+ const char *p;
p = *pp;
@@ -773,10 +776,10 @@ parse_pdf_array (char **pp, char *endptr, pdf_file *pf)
}
static pdf_obj *
-parse_pdf_stream (char **pp, char *endptr, pdf_obj *dict, pdf_file *pf)
+parse_pdf_stream (const char **pp, const char *endptr, pdf_obj *dict, pdf_file *pf)
{
pdf_obj *result = NULL;
- char *p;
+ const char *p;
pdf_obj *stream_dict;
long stream_length;
@@ -831,7 +834,7 @@ parse_pdf_stream (char **pp, char *endptr, pdf_obj *dict, pdf_file *pf)
* This was added to allow TeX users to write PDF stream object
* directly in their TeX source. This violates PDF spec.
*/
- char *q;
+ const char *q;
stream_length = -1;
for (q = endptr - 1; q >= p + 8; q--) {
@@ -920,7 +923,7 @@ parse_pdf_stream (char **pp, char *endptr, pdf_obj *dict, pdf_file *pf)
/* This is not PDF indirect reference. */
static pdf_obj *
-parse_pdf_reference (char **start, char *end)
+parse_pdf_reference (const char **start, const char *end)
{
pdf_obj *result = NULL;
char *name;
@@ -947,7 +950,7 @@ parse_pdf_reference (char **start, char *end)
#endif /* !PDF_PARSE_STRICT */
static pdf_obj *
-try_pdf_reference (char *start, char *end, char **endptr, pdf_file *pf)
+try_pdf_reference (const char *start, const char *end, const char **endptr, pdf_file *pf)
{
unsigned long id = 0;
unsigned short gen = 0;
@@ -993,11 +996,11 @@ try_pdf_reference (char *start, char *end, char **endptr, pdf_file *pf)
}
pdf_obj *
-parse_pdf_object (char **pp, char *endptr, pdf_file *pf)
+parse_pdf_object (const char **pp, const char *endptr, pdf_file *pf)
/* If pf is NULL, then indirect references are not allowed */
{
pdf_obj *result = NULL;
- char *nextptr;
+ const char *nextptr;
skip_white(pp, endptr);
if (*pp >= endptr) {
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-14 19:04:35 +0000