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-rw-r--r--source/pdf/pdf-parse.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/source/pdf/pdf-parse.c b/source/pdf/pdf-parse.c
index 92d0b423..7772bff2 100644
--- a/source/pdf/pdf-parse.c
+++ b/source/pdf/pdf-parse.c
@@ -40,7 +40,7 @@ pdf_to_matrix(fz_context *ctx, pdf_obj *array, fz_matrix *m)
}
static int
-rune_from_utf16be(int *out, unsigned char *s, unsigned char *end)
+rune_from_utf16be(int *out, const unsigned char *s, const unsigned char *end)
{
if (s + 2 <= end)
{
@@ -59,7 +59,7 @@ rune_from_utf16be(int *out, unsigned char *s, unsigned char *end)
}
static size_t
-skip_language_code_utf16be(unsigned char *s, size_t n, size_t i)
+skip_language_code_utf16be(const unsigned char *s, size_t n, size_t i)
{
/* skip language escape codes */
if (i + 6 <= n && s[i+0] == 0 && s[i+1] == 27 && s[i+4] == 0 && s[i+5] == 27)
@@ -70,7 +70,7 @@ skip_language_code_utf16be(unsigned char *s, size_t n, size_t i)
}
static size_t
-skip_language_code_utf8(unsigned char *s, size_t n, size_t i)
+skip_language_code_utf8(const unsigned char *s, size_t n, size_t i)
{
/* skip language escape codes */
if (i + 3 <= n && s[i] == 27 && s[i+3])
@@ -81,7 +81,7 @@ skip_language_code_utf8(unsigned char *s, size_t n, size_t i)
}
char *
-pdf_to_utf8_imp(fz_context *ctx, unsigned char *srcptr, size_t srclen)
+pdf_to_utf8_imp(fz_context *ctx, const unsigned char *srcptr, size_t srclen)
{
char *dstptr, *dst;
size_t dstlen = 0;