summaryrefslogtreecommitdiff
path: root/Build/source/libs/potrace/potrace-src/src/flate.c
diff options
context:
space:
mode:
Diffstat (limited to 'Build/source/libs/potrace/potrace-src/src/flate.c')
-rw-r--r--Build/source/libs/potrace/potrace-src/src/flate.c38
1 files changed, 19 insertions, 19 deletions
diff --git a/Build/source/libs/potrace/potrace-src/src/flate.c b/Build/source/libs/potrace/potrace-src/src/flate.c
index 9965d15d3f0..5c81894d910 100644
--- a/Build/source/libs/potrace/potrace-src/src/flate.c
+++ b/Build/source/libs/potrace/potrace-src/src/flate.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2001-2015 Peter Selinger.
+/* Copyright (C) 2001-2017 Peter Selinger.
This file is part of Potrace. It is free software and it is covered
by the GNU General Public License. See the file COPYING for details. */
@@ -42,14 +42,14 @@
static int a85init(FILE *f);
static int a85finish(FILE *f);
-static int a85write(FILE *f, char *buf, int n);
+static int a85write(FILE *f, const char *buf, int n);
static int a85out(FILE *f, int n);
static int a85spool(FILE *f, char c);
/* ---------------------------------------------------------------------- */
/* dummy interface: no encoding */
-int dummy_xship(FILE *f, int filter, char *s, int len) {
+int dummy_xship(FILE *f, int filter, const char *s, int len) {
fwrite(s, 1, len, f);
return len;
}
@@ -59,7 +59,7 @@ int dummy_xship(FILE *f, int filter, char *s, int len) {
#ifdef HAVE_ZLIB
-int pdf_xship(FILE *f, int filter, char *s, int len) {
+int pdf_xship(FILE *f, int filter, const char *s, int len) {
static int fstate = 0;
static z_stream c_stream;
char outbuf[OUTSIZE];
@@ -74,7 +74,7 @@ int pdf_xship(FILE *f, int filter, char *s, int len) {
err = deflateInit(&c_stream, 9);
if (err != Z_OK) {
fprintf(stderr, "deflateInit: %s (%d)\n", c_stream.msg, err);
- exit(1);
+ exit(2);
}
c_stream.avail_in = 0;
fstate = 1;
@@ -88,7 +88,7 @@ int pdf_xship(FILE *f, int filter, char *s, int len) {
err = deflate(&c_stream, Z_FINISH);
if (err != Z_OK && err != Z_STREAM_END) {
fprintf(stderr, "deflate: %s (%d)\n", c_stream.msg, err);
- exit(1);
+ exit(2);
}
n += fwrite(outbuf, 1, OUTSIZE-c_stream.avail_out, f);
} while (err != Z_STREAM_END);
@@ -111,7 +111,7 @@ int pdf_xship(FILE *f, int filter, char *s, int len) {
err = deflate(&c_stream, Z_NO_FLUSH);
if (err != Z_OK) {
fprintf(stderr, "deflate: %s (%d)\n", c_stream.msg, err);
- exit(1);
+ exit(2);
}
n += fwrite(outbuf, 1, OUTSIZE-c_stream.avail_out, f);
} while (!c_stream.avail_out);
@@ -120,7 +120,7 @@ int pdf_xship(FILE *f, int filter, char *s, int len) {
}
/* ship len bytes from s using zlib compression. */
-int flate_xship(FILE *f, int filter, char *s, int len) {
+int flate_xship(FILE *f, int filter, const char *s, int len) {
static int fstate = 0;
static z_stream c_stream;
char outbuf[OUTSIZE];
@@ -138,7 +138,7 @@ int flate_xship(FILE *f, int filter, char *s, int len) {
err = deflateInit(&c_stream, 9);
if (err != Z_OK) {
fprintf(stderr, "deflateInit: %s (%d)\n", c_stream.msg, err);
- exit(1);
+ exit(2);
}
c_stream.avail_in = 0;
n += a85init(f);
@@ -153,7 +153,7 @@ int flate_xship(FILE *f, int filter, char *s, int len) {
err = deflate(&c_stream, Z_FINISH);
if (err != Z_OK && err != Z_STREAM_END) {
fprintf(stderr, "deflate: %s (%d)\n", c_stream.msg, err);
- exit(1);
+ exit(2);
}
n += a85write(f, outbuf, OUTSIZE-c_stream.avail_out);
} while (err != Z_STREAM_END);
@@ -178,7 +178,7 @@ int flate_xship(FILE *f, int filter, char *s, int len) {
err = deflate(&c_stream, Z_NO_FLUSH);
if (err != Z_OK) {
fprintf(stderr, "deflate: %s (%d)\n", c_stream.msg, err);
- exit(1);
+ exit(2);
}
n += a85write(f, outbuf, OUTSIZE-c_stream.avail_out);
} while (!c_stream.avail_out);
@@ -188,11 +188,11 @@ int flate_xship(FILE *f, int filter, char *s, int len) {
#else /* HAVE_ZLIB */
-int pdf_xship(FILE *f, int filter, char *s, int len) {
+int pdf_xship(FILE *f, int filter, const char *s, int len) {
return dummy_xship(f, filter, s, len);
}
-int flate_xship(FILE *f, int filter, char *s, int len) {
+int flate_xship(FILE *f, int filter, const char *s, int len) {
return dummy_xship(f, filter, s, len);
}
@@ -203,7 +203,7 @@ int flate_xship(FILE *f, int filter, char *s, int len) {
This relies on lzw.c/h to do the actual compression. */
/* use Postscript level 2 compression. Ship len bytes from str. */
-int lzw_xship(FILE *f, int filter, char *str, int len) {
+int lzw_xship(FILE *f, int filter, const char *str, int len) {
static int fstate = 0;
static lzw_stream_t *s = NULL;
char outbuf[OUTSIZE];
@@ -218,7 +218,7 @@ int lzw_xship(FILE *f, int filter, char *str, int len) {
s = lzw_init();
if (s == NULL) {
fprintf(stderr, "lzw_init: %s\n", strerror(errno));
- exit(1);
+ exit(2);
}
n += a85init(f);
fstate = 1;
@@ -234,7 +234,7 @@ int lzw_xship(FILE *f, int filter, char *str, int len) {
err = lzw_compress(s, LZW_EOD);
if (err) {
fprintf(stderr, "lzw_compress: %s\n", strerror(errno));
- exit(1);
+ exit(2);
}
n += a85write(f, outbuf, OUTSIZE - s->avail_out);
} while (s->avail_out == 0);
@@ -262,7 +262,7 @@ int lzw_xship(FILE *f, int filter, char *str, int len) {
err = lzw_compress(s, LZW_NORMAL);
if (err) {
fprintf(stderr, "lzw_compress: %s\n", strerror(errno));
- exit(1);
+ exit(2);
}
n += a85write(f, outbuf, OUTSIZE - s->avail_out);
} while (s->avail_out == 0);
@@ -274,7 +274,7 @@ int lzw_xship(FILE *f, int filter, char *str, int len) {
/* a85 interface: a85 encoding without compression */
/* ship len bytes from s using a85 encoding only. */
-int a85_xship(FILE *f, int filter, char *s, int len) {
+int a85_xship(FILE *f, int filter, const char *s, int len) {
static int fstate = 0;
int n=0;
@@ -324,7 +324,7 @@ static int a85finish(FILE *f) {
return r+2;
}
-static int a85write(FILE *f, char *buf, int n) {
+static int a85write(FILE *f, const char *buf, int n) {
int i;
int r=0;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-29 17:03:08 +0000