string: Adding strreplace

3 files changed, 55 insertions, 0 deletions

diff --git a/com32/include/string.h b/com32/include/string.h
index af9792b6..014b8de9 100644
--- a/com32/include/string.h
+++ b/com32/include/string.h
@@ -42,5 +42,6 @@ __extern char *strsep(char **, const char *);
 __extern size_t strspn(const char *, const char *);
 __extern char *strstr(const char *, const char *);
 __extern char *strtok(char *, const char *);
+__extern char *strreplace( const char *string, const char *string_to_replace, const char *string_to_insert );
 
 #endif /* _STRING_H */
diff --git a/com32/lib/Makefile b/com32/lib/Makefile
index 105c2bd6..3f67e426 100644
--- a/com32/lib/Makefile
+++ b/com32/lib/Makefile
@@ -32,6 +32,7 @@ LIBOBJS = \
 	chrreplace.o							\
 	bufprintf.o							\
 	inet.o								\
+	strreplace.o								\
 	\
 	lmalloc.o lstrdup.o						\
 	\
diff --git a/com32/lib/strreplace.c b/com32/lib/strreplace.c
new file mode 100644
index 00000000..f97a03e3
--- /dev/null
+++ b/com32/lib/strreplace.c
@@ -0,0 +1,53 @@
+/* ----------------------------------------------------------------------- *
+ *
+ *   Copyright 2011 Erwan Velu - All Rights Reserved
+ *
+ *   Permission is hereby granted, free of charge, to any person
+ *   obtaining a copy of this software and associated documentation
+ *   files (the "Software"), to deal in the Software without
+ *   restriction, including without limitation the rights to use,
+ *   copy, modify, merge, publish, distribute, sublicense, and/or
+ *   sell copies of the Software, and to permit persons to whom
+ *   the Software is furnished to do so, subject to the following
+ *   conditions:
+ *
+ *   The above copyright notice and this permission notice shall
+ *   be included in all copies or substantial portions of the Software.
+ *
+ *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ *   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ *   OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ *   NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ *   HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ *   WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ *   FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ *   OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * -----------------------------------------------------------------------
+ */
+
+#include <string.h>
+
+char *strreplace( const char *string, const char *string_to_replace, const char *string_to_insert ){
+  char *token = NULL;
+  char *output_buffer = NULL;
+
+  token = strstr(string, string_to_replace);
+
+  if(token == NULL) 
+	return strdup( string );
+
+  output_buffer = malloc(strlen( string )-strlen( string_to_replace )+strlen(string_to_insert )+ 1);
+
+  if(output_buffer == NULL) 
+	return NULL;
+
+  memcpy(output_buffer, string, token-string);
+  memcpy(output_buffer + (token - string), string_to_insert, strlen(string_to_insert));
+  memcpy(output_buffer + (token - string) + strlen(string_to_insert),
+	token + strlen(string_to_replace), 
+	strlen(string) - strlen(string_to_replace) - (token - string));
+  memset(output_buffer + strlen(string) - strlen(string_to_replace) + strlen(string_to_insert), 0, 1 );
+
+  return output_buffer;
+}