codeview: Make md5sum calc read file in 'binary' mode

When assembling on Windows machines with CRLF line endings, computing
the MD5 hash from the file read in "text" mode (transforms CRLF->LF)
gives incorrect results.

Signed-off-by: Fabian Giesen <fabiang@radgametools.com>
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>

3 files changed, 8 insertions, 8 deletions

diff --git a/output/codeview.c b/output/codeview.c
index 571cbabe..56c46f2c 100644
--- a/output/codeview.c
+++ b/output/codeview.c
@@ -309,7 +309,7 @@ static void calc_md5(const char *const filename,
     FILE *f;
     MD5_CTX ctx;
 
-    f = pp_input_fopen(filename);
+    f = pp_input_fopen(filename, "rb");
     if (!f)
         goto done;
 
diff --git a/preproc.c b/preproc.c
index 78263fb3..d2352808 100644
--- a/preproc.c
+++ b/preproc.c
@@ -1509,7 +1509,7 @@ static bool in_list(const StrList *list, const char *str)
  * the end of the path.
  */
 static FILE *inc_fopen(const char *file, StrList **dhead, StrList ***dtail,
-                       bool missing_ok)
+                       bool missing_ok, const char *mode)
 {
     FILE *fp;
     char *prefix = "";
@@ -1522,7 +1522,7 @@ static FILE *inc_fopen(const char *file, StrList **dhead, StrList ***dtail,
         sl = nasm_malloc(prefix_len+len+1+sizeof sl->next);
         memcpy(sl->str, prefix, prefix_len);
         memcpy(sl->str+prefix_len, file, len+1);
-        fp = fopen(sl->str, "r");
+        fp = fopen(sl->str, mode);
         if (fp && dhead && !in_list(*dhead, sl->str)) {
             sl->next = NULL;
             **dtail = sl;
@@ -1564,13 +1564,13 @@ static FILE *inc_fopen(const char *file, StrList **dhead, StrList ***dtail,
  * that get a file:lineno pair and need to look at the file again
  * (e.g. the CodeView debug backend). Returns NULL on failure.
  */
-FILE *pp_input_fopen(const char *filename)
+FILE *pp_input_fopen(const char *filename, const char *mode)
 {
     FILE *fp;
     StrList *xsl = NULL;
     StrList **xst = &xsl;
 
-    fp = inc_fopen(filename, &xsl, &xst, true);
+    fp = inc_fopen(filename, &xsl, &xst, true, mode);
     if (xsl)
         nasm_free(xsl);
     return fp;
@@ -2517,7 +2517,7 @@ static int do_directive(Token * tline)
         inc = nasm_malloc(sizeof(Include));
         inc->next = istk;
         inc->conds = NULL;
-        inc->fp = inc_fopen(p, dephead, &deptail, pass == 0);
+        inc->fp = inc_fopen(p, dephead, &deptail, pass == 0, "r");
         if (!inc->fp) {
             /* -MG given but file not found */
             nasm_free(inc);
@@ -3260,7 +3260,7 @@ issue_error:
         if (t->type != TOK_INTERNAL_STRING)
             nasm_unquote(p, NULL);
 
-        fp = inc_fopen(p, &xsl, &xst, true);
+        fp = inc_fopen(p, &xsl, &xst, true, "r");
         if (fp) {
             p = xsl->str;
             fclose(fp);         /* Don't actually care about the file */
diff --git a/preproc.h b/preproc.h
index 3dee45f2..3d1aa9c7 100644
--- a/preproc.h
+++ b/preproc.h
@@ -49,6 +49,6 @@ typedef const unsigned char macros_t;
 enum preproc_token pp_token_hash(const char *token);
 
 /* Opens an include file or input file. This uses the include path. */
-FILE *pp_input_fopen(const char *filename);
+FILE *pp_input_fopen(const char *filename, const char *mode);
 
 #endif