From fffe9618ff8a5cfcac207f231b531615dfb0e38f Mon Sep 17 00:00:00 2001
From: Peter Verthez <Peter.Verthez@advalvas.be>
Date: Sun, 15 Sep 2002 18:10:47 +0000
Subject: [PATCH] Take care of const correctness.

---
 gedcom/age.c           |  6 +++---
 gedcom/compat.c        |  8 ++++----
 gedcom/compat.h        |  2 +-
 gedcom/date.c          |  6 +++---
 gedcom/date.h          |  6 +++---
 gedcom/encoding.c      | 13 +++++++------
 gedcom/encoding.h      |  4 ++--
 gedcom/gedcom.y        |  2 +-
 gedcom/gedcom_date.lex |  2 +-
 gedcom/interface.c     |  2 +-
 gedcom/message.c       | 10 +++++-----
 gedcom/multilex.c      |  2 +-
 gedcom/xref.c          |  2 +-
 include/gedcom.h.in    | 18 +++++++++---------
 14 files changed, 42 insertions(+), 41 deletions(-)

diff --git a/gedcom/age.c b/gedcom/age.c
index c597ef3..8518411 100644
--- a/gedcom/age.c
+++ b/gedcom/age.c
@@ -46,7 +46,7 @@ void init_age(struct age_value *age)
   age->days = -1;
 }
 
-int parse_numeric_age(struct age_value *age, char *ptr)
+int parse_numeric_age(struct age_value *age, const char *ptr)
 {
   char *endptr;
   while (ptr) {
@@ -94,9 +94,9 @@ int parse_numeric_age(struct age_value *age, char *ptr)
   return 0;
 }
 
-struct age_value gedcom_parse_age(char* line_value)
+struct age_value gedcom_parse_age(const char* line_value)
 {
-  char *ptr = line_value;
+  const char *ptr = line_value;
   init_age(&age_s);
   init_age(&def_age_val);
 
diff --git a/gedcom/compat.c b/gedcom/compat.c
index d4fdb9f..c566d8e 100644
--- a/gedcom/compat.c
+++ b/gedcom/compat.c
@@ -31,7 +31,7 @@
 int compat_enabled = 1;
 int compatibility  = 0; 
 int compat_at = 0;
-char* default_charset = "";
+const char* default_charset = "";
 
 #define SUBMITTER_LINK         "@__COMPAT__SUBM__@"
 #define DEFAULT_SUBMITTER_NAME "Submitter"
@@ -61,7 +61,7 @@ void gedcom_set_compat_handling(int enable_compat)
   compat_enabled = enable_compat;
 }
 
-void set_compatibility(char* program)
+void set_compatibility(const char* program)
 {
   /* Reinitialize compatibility */
   compat_at = 0;
@@ -172,8 +172,8 @@ int compat_generate_char(Gedcom_ctxt parent)
   /* first generate "1 CHAR <DEFAULT_CHAR>" */
   ts.string = "CHAR";
   ts.value  = TAG_CHAR;
-  self1 = start_element(ELT_HEAD_CHAR, parent, 1, ts, default_charset,
-			GEDCOM_MAKE_STRING(val1, default_charset));
+  self1 = start_element(ELT_HEAD_CHAR, parent, 1, ts, (char*)default_charset,
+			GEDCOM_MAKE_STRING(val1, (char*)default_charset));
   
   /* close "1 CHAR" */
   end_element(ELT_HEAD_CHAR, parent, self1, NULL);
diff --git a/gedcom/compat.h b/gedcom/compat.h
index ff2423c..31e7576 100644
--- a/gedcom/compat.h
+++ b/gedcom/compat.h
@@ -33,7 +33,7 @@ enum _COMPAT {
   C_LIFELINES = 0x02
 };
 
-void set_compatibility(char* program);
+void set_compatibility(const char* program);
 int  compat_mode(int flags); 
 void compat_generate_submitter_link(Gedcom_ctxt parent);
 void compat_generate_submitter();
diff --git a/gedcom/date.c b/gedcom/date.c
index 322127e..1a2232a 100644
--- a/gedcom/date.c
+++ b/gedcom/date.c
@@ -31,7 +31,7 @@ struct date date_s;
 struct date_value def_date_val;
 struct date def_date;
 
-char* curr_line_value;
+const char* curr_line_value;
 
 int max_month[] = { 12,  /* CAL_GREGORIAN */
 		    12,  /* CAL_JULIAN */
@@ -69,7 +69,7 @@ void init_date(struct date *d)
 }
 
 struct date_value make_date_value(Date_value_type t, struct date d1,
-				  struct date d2, char* p)
+				  struct date d2, const char* p)
 {
   dv_s.type = t;
   copy_date(&dv_s.date1, d1);
@@ -115,7 +115,7 @@ void make_date_complete(struct date *d)
   }
 }
 
-struct date_value gedcom_parse_date(char* line_value)
+struct date_value gedcom_parse_date(const char* line_value)
 {
   init_date(&date_s);
   init_date(&def_date);
diff --git a/gedcom/date.h b/gedcom/date.h
index ad7a234..e7e82ca 100644
--- a/gedcom/date.h
+++ b/gedcom/date.h
@@ -34,17 +34,17 @@
 extern struct date_value dv_s;
 extern struct date date_s;
 extern struct date def_date;
-extern char* curr_line_value;
+extern const char* curr_line_value;
 
 int               gedcom_date_parse();
 int               gedcom_date_lex();
 
 /* These are defined in gedcom_date.lex */
-void              init_gedcom_date_lex(char* string);
+void              init_gedcom_date_lex(const char* string);
 void              close_gedcom_date_lex();
 
 struct date_value make_date_value(Date_value_type t, struct date d1,
-				  struct date d2, char* p);
+				  struct date d2, const char* p);
 void              copy_date(struct date *to, struct date from);
 
 #define GEDCOM_MAKE_DATE(VAR, DATE) \
diff --git a/gedcom/encoding.c b/gedcom/encoding.c
index b2c3c41..07a9589 100644
--- a/gedcom/encoding.c
+++ b/gedcom/encoding.c
@@ -39,7 +39,7 @@ static iconv_t cd_to_internal = (iconv_t) -1;
 static ENCODING the_enc = ONE_BYTE;
 static hash_t *encodings = NULL;
 
-char* charwidth_string[] = { "1", "2_HILO", "2_LOHI" };
+const char* charwidth_string[] = { "1", "2_HILO", "2_LOHI" };
 
 hnode_t *node_alloc(void *c __attribute__((unused)))
 {
@@ -53,7 +53,8 @@ void node_free(hnode_t *n, void *c __attribute__((unused)))
   free(n);
 }
 
-void add_encoding(char *gedcom_n, char* charwidth, char *iconv_n)
+void add_encoding(const char *gedcom_n, const char* charwidth,
+		  const char *iconv_n)
 {
   char *key, *val;
 
@@ -79,7 +80,7 @@ void add_encoding(char *gedcom_n, char* charwidth, char *iconv_n)
     MEMORY_ERROR;
 }
 
-char* get_encoding(char* gedcom_n, ENCODING enc)
+char* get_encoding(const char* gedcom_n, ENCODING enc)
 {
   char *key;
   hnode_t *node;
@@ -229,9 +230,9 @@ void set_encoding_width(ENCODING enc)
 static char conv_buf[MAXGEDCLINELEN * 2];
 static size_t conv_buf_size;
 
-int open_conv_to_internal(char* fromcode)
+int open_conv_to_internal(const char* fromcode)
 {
-  char *encoding = get_encoding(fromcode, the_enc);
+  const char *encoding = get_encoding(fromcode, the_enc);
   if (cd_to_internal != (iconv_t) -1)
     iconv_close(cd_to_internal);
   if (encoding == NULL) {
@@ -257,7 +258,7 @@ void close_conv_to_internal()
   cd_to_internal = (iconv_t) -1;
 }
 
-char* to_internal(char* str, size_t len,
+char* to_internal(const char* str, size_t len,
 		  char* output_buffer, size_t out_len)
 {
   size_t res;
diff --git a/gedcom/encoding.h b/gedcom/encoding.h
index 9eb40ba..d4bd632 100644
--- a/gedcom/encoding.h
+++ b/gedcom/encoding.h
@@ -31,9 +31,9 @@ typedef enum _ENC {
   TWO_BYTE_LOHI = 2
 } ENCODING;
 
-int open_conv_to_internal(char* fromcode);
+int open_conv_to_internal(const char* fromcode);
 void close_conv_to_internal();
-char* to_internal(char* str, size_t len,
+char* to_internal(const char* str, size_t len,
 		  char* output_buffer, size_t out_len);
 void init_encodings();
 void set_encoding_width(ENCODING enc);
diff --git a/gedcom/gedcom.y b/gedcom/gedcom.y
index 3d5243a..b10e0c2 100644
--- a/gedcom/gedcom.y
+++ b/gedcom/gedcom.y
@@ -3884,7 +3884,7 @@ void gedcom_set_debug_level(int level, FILE* f)
   }
 }
 
-int gedcom_debug_print(char* s, ...)
+int gedcom_debug_print(const char* s, ...)
 {
   int res = 0;
   if (gedcom_high_level_debug) {
diff --git a/gedcom/gedcom_date.lex b/gedcom/gedcom_date.lex
index 8d6f887..50daf3f 100644
--- a/gedcom/gedcom_date.lex
+++ b/gedcom/gedcom_date.lex
@@ -140,7 +140,7 @@ int yywrap()
 
 static YY_BUFFER_STATE hndl;
 
-void init_gedcom_date_lex(char* string)
+void init_gedcom_date_lex(const char* string)
 {
   token_nr = 0;
   hndl = yy_scan_string(string);
diff --git a/gedcom/interface.c b/gedcom/interface.c
index 061ec4f..0522f05 100644
--- a/gedcom/interface.c
+++ b/gedcom/interface.c
@@ -107,7 +107,7 @@ char* val_type_str[] = { N_("null value"),
 			 N_("date"),
                          N_("cross-reference") };
 
-void gedcom_cast_error(char* file, int line,
+void gedcom_cast_error(const char* file, int line,
 		       Gedcom_val_type tried_type,
 		       Gedcom_val_type real_type)
 {
diff --git a/gedcom/message.c b/gedcom/message.c
index c3a5abf..62954b4 100644
--- a/gedcom/message.c
+++ b/gedcom/message.c
@@ -57,7 +57,7 @@ void init_mess_buffer()
   }
 }
 
-int safe_buf_vappend(char *s, va_list ap)
+int safe_buf_vappend(const char *s, va_list ap)
 {
   int res = 0;
   int len;
@@ -82,7 +82,7 @@ int safe_buf_vappend(char *s, va_list ap)
   return res;
 }
 
-int safe_buf_append(char *s, ...)
+int safe_buf_append(const char *s, ...)
 {
   int res;
   va_list ap;
@@ -94,7 +94,7 @@ int safe_buf_append(char *s, ...)
   return res;
 }
 
-int gedcom_message(char* s, ...)
+int gedcom_message(const char* s, ...)
 {
   int res;
   va_list ap;
@@ -108,7 +108,7 @@ int gedcom_message(char* s, ...)
   return res;
 }
 
-int gedcom_warning(char* s, ...)
+int gedcom_warning(const char* s, ...)
 {
   int res;
   va_list ap;
@@ -124,7 +124,7 @@ int gedcom_warning(char* s, ...)
   return res;
 }
 
-int gedcom_error(char* s, ...)
+int gedcom_error(const char* s, ...)
 {
   int res;
   va_list ap;
diff --git a/gedcom/multilex.c b/gedcom/multilex.c
index ada4ff0..437f0bd 100644
--- a/gedcom/multilex.c
+++ b/gedcom/multilex.c
@@ -122,7 +122,7 @@ void gedcom_init()
   update_gconv_search_path();
 }
 
-int gedcom_parse_file(char* file_name)
+int gedcom_parse_file(const char* file_name)
 {
   ENCODING enc;
   int result = 1;
diff --git a/gedcom/xref.c b/gedcom/xref.c
index bc05ac3..d07f387 100644
--- a/gedcom/xref.c
+++ b/gedcom/xref.c
@@ -133,7 +133,7 @@ int check_xref_table()
   return result;
 }
 
-struct xref_value *gedcom_get_by_xref(char *key)
+struct xref_value *gedcom_get_by_xref(const char *key)
 {
   hnode_t *node = hash_lookup(xrefs, key);
   if (node) {
diff --git a/include/gedcom.h.in b/include/gedcom.h.in
index 50bbb0d..223dc0f 100644
--- a/include/gedcom.h.in
+++ b/include/gedcom.h.in
@@ -388,7 +388,7 @@ typedef struct _Gedcom_val_struct {
   union _Gedcom_val_union value;
 } Gedcom_val_struct;
 
-void gedcom_cast_error(char* file, int line,
+void gedcom_cast_error(const char* file, int line,
 		       Gedcom_val_type tried_type,
 		       Gedcom_val_type real_type);
 
@@ -471,7 +471,7 @@ typedef void
          char *raw_value, int tag_value);
 
 void    gedcom_init();
-int     gedcom_parse_file(char* file_name);
+int     gedcom_parse_file(const char* file_name);
 void    gedcom_set_debug_level(int level, FILE* trace_output);
 void    gedcom_set_error_handling(Gedcom_err_mech mechanism);
 void    gedcom_set_compat_handling(int enable_compat);
@@ -486,15 +486,15 @@ void    gedcom_subscribe_to_element(Gedcom_elt elt,
 				    Gedcom_elt_end_cb cb_end);
 
 /* Separate value parsing functions */
-struct date_value gedcom_parse_date(char* line_value);
-struct age_value  gedcom_parse_age(char* line_value);
-struct xref_value *gedcom_get_by_xref(char *key);
+struct date_value gedcom_parse_date(const char* line_value);
+struct age_value  gedcom_parse_age(const char* line_value);
+struct xref_value *gedcom_get_by_xref(const char *key);
 
 /* For use in gom */
-int        gedcom_error(char* s, ...);
-int        gedcom_warning(char* s, ...);
-int        gedcom_message(char* s, ...);
-int        gedcom_debug_print(char* s, ...);
+int        gedcom_error(const char* s, ...);
+int        gedcom_warning(const char* s, ...);
+int        gedcom_message(const char* s, ...);
+int        gedcom_debug_print(const char* s, ...);
 
 __END_DECLS
 
-- 
2.30.2