From f0cae27e3bb9f7947d4c3655a7b3666dd75a6213 Mon Sep 17 00:00:00 2001
From: robertl <robertl>
Date: Thu, 6 Jan 2005 16:21:16 +0000
Subject: [PATCH] Add global search and replace via gstrsub.

---
 defs.h |  3 ++-
 util.c | 43 ++++++++++++++++++++++++++++++++++++++++++-
 2 files changed, 44 insertions(+), 2 deletions(-)

diff --git a/defs.h b/defs.h
index e0ac7e40c..e349b5d6b 100644
--- a/defs.h
+++ b/defs.h
@@ -475,7 +475,8 @@ void xfputs(const char *errtxt, const char *s, FILE *stream);
 
 int case_ignore_strcmp(const char *s1, const char *s2);
 
-char *strsub(char *s, char *search, char *replace);
+char *strsub(const char *s, const char *search, const char *replace);
+char *gstrsub(const char *s, const char *search, const char *replace);
 void rtrim(char *s);
 signed int get_tz_offset(void);
 time_t current_time(void);
diff --git a/util.c b/util.c
index c58520ac0..11d3e8783 100644
--- a/util.c
+++ b/util.c
@@ -621,7 +621,7 @@ double degrees2ddmm(double deg_val) {
  * Doesn't try to make an optimally sized dest buffer.
  */
 char *
-strsub(char *s, char *search, char *replace)
+strsub(const char *s, const char *search, const char *replace)
 {
        char *p;
        int len = strlen(s);
@@ -649,6 +649,21 @@ strsub(char *s, char *search, char *replace)
        return d;
 }
 
+/*
+ *  As strsub, but do it globally.
+ */
+char *
+gstrsub(const char *s, const char *search, const char *replace)
+{
+	char *o = xstrdup(s);
+
+	while (strstr(o, search)) {
+		o = strsub(o, search, replace);
+	}
+
+	return o;
+}
+
 char *
 rot13( const char *s )
 {
@@ -783,6 +798,32 @@ char * str_utf8_to_cp1252( const char * str )
 	return result;
 }
 
+#if 0
+/*
+ * Convert to ISO 8859-1 (LATIN-1). The result is never longer than 
+ * the source.  
+ */
+char * 
+str_utf8_to_8859_1( const char * str )
+{
+	char *result = xstrdup( str );
+	char *cur = result;
+	unsigned char c;
+
+	while (c = *str++) {
+		if (c < 0x80) {
+			*cur++ = c;
+			continue;
+		} 
+		if ((c & 0xFE) == 0xC2) {
+			*cur++ = ((c & 0x03) << 6) | (*str++ & 0x3f);
+		}
+	}
+
+	return result;
+}
+#endif
+
 char * str_utf8_to_ascii( const char * str )
 {
 	char *result;
-- 
2.30.2