From 4a1be601d79b2522d956090c2d4e673aac4841a8 Mon Sep 17 00:00:00 2001
From: robertl <robertl@f51c46e8-681c-474f-0cfe-069cfd0219fb>
Date: Sat, 25 Jan 2003 20:07:55 +0000
Subject: [PATCH] Add case insensitive searches on both GPX reads and magproto
 icon lookups.

---
 gpsbabel/gpx.c      |  2 +-
 gpsbabel/magproto.c |  4 ++--
 gpsbabel/util.c     | 14 ++++++++++++++
 3 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/gpsbabel/gpx.c b/gpsbabel/gpx.c
index e9150c389..52d98027e 100644
--- a/gpsbabel/gpx.c
+++ b/gpsbabel/gpx.c
@@ -349,7 +349,7 @@ gs_mktype(char *t)
 	int sz = sizeof(gs_type_map) / sizeof(gs_type_map[0]);
 
 	for (i = 0; i < sz; i++) {
-		if (0 == strcmp(t, gs_type_map[i].name)) {
+		if (0 == case_ignore_strcmp(t, gs_type_map[i].name)) {
 			return gs_type_map[i].type;
 		}
 	}
diff --git a/gpsbabel/magproto.c b/gpsbabel/magproto.c
index 3ca11c8d2..86611fbff 100644
--- a/gpsbabel/magproto.c
+++ b/gpsbabel/magproto.c
@@ -916,7 +916,7 @@ mag_find_descr_from_token(const char *token)
 	}
 
 	for (i = icon_mapping; i->token; i++) {
-		if (strcmp(token, i->token) == 0)
+		if (case_ignore_strcmp(token, i->token) == 0)
 			return i->icon;
 	}
 	return icon_mapping[0].icon;
@@ -932,7 +932,7 @@ mag_find_token_from_descr(const char *icon)
 	}
 
 	for (i = icon_mapping; i->token; i++) {
-		if (strcmp(icon, i->icon) == 0)
+		if (case_ignore_strcmp(icon, i->icon) == 0)
 			return i->token;
 	}
 	return icon_mapping[0].token;
diff --git a/gpsbabel/util.c b/gpsbabel/util.c
index 2ea444037..0f8b30d05 100644
--- a/gpsbabel/util.c
+++ b/gpsbabel/util.c
@@ -107,6 +107,20 @@ rtrim(char *s)
 	}
 }
 
+/*
+ *   Like strcmp, but case insensitive.  Like Berkeley's strcasecmp.
+ */
+
+int 
+case_ignore_strcmp(const char *s1, const char *s2)
+{
+	for(;toupper(*s1) == toupper(*s2); ++ s1, ++s2) {
+		if (*s1 == 0)
+			return 0;
+	}
+	return (toupper(*s1) < toupper(*s2)) ? -1 : +1;
+
+}
 
 coord
 mkposn(const char *string)
-- 
2.30.2