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[proxmark3-svn] / client / util.c

diff --git a/client/util.c b/client/util.c
index 38dd3a12f450e245cdc35d9f7d23dcd17b6685d0..8357f60137a5234007df335578656615e469cb65 100644 (file)
--- a/client/util.c
+++ b/client/util.c
@@ -322,7 +322,7 @@ char * printBits(size_t const size, void const * const ptr)
 
 //  -------------------------------------------------------------------------
 //  line     - param line
-//  bg, en   - symbol numbers in param line of beginning an ending parameter
+//  bg, en   - symbol numbers in param line of beginning and ending parameter
 //  paramnum - param number (from 0)
 //  -------------------------------------------------------------------------
 int param_getptr(const char *line, int *bg, int *en, int paramnum)
@@ -355,6 +355,15 @@ int param_getptr(const char *line, int *bg, int *en, int paramnum)
 }
 
 
+int param_getlength(const char *line, int paramnum)
+{
+       int bg, en;
+       
+       if (param_getptr(line, &bg, &en, paramnum)) return 0;
+
+       return en - bg + 1;
+}
+
 char param_getchar(const char *line, int paramnum)
 {
        int bg, en;
@@ -614,7 +623,28 @@ void clean_ascii(unsigned char *buf, size_t len) {
   }
 }
 
+// replace \r \n to \0
+void strcleanrn(char *buf, size_t len) {
+       strcreplace(buf, len, '\n', '\0');
+       strcreplace(buf, len, '\r', '\0');
+}
 
+// replace char in buffer
+void strcreplace(char *buf, size_t len, char from, char to) {
+  for (size_t i = 0; i < len; i++) {
+    if (buf[i] == from)
+      buf[i] = to;
+  }
+}
+
+char *strmcopy(char *buf) {
+       char * str = NULL;
+       if ((str = (char*) malloc(strlen(buf) + 1)) != NULL) {
+               memset(str, 0, strlen(buf) + 1);
+               strcpy(str, buf);
+       }       
+       return str;
+}
 
 
 // determine number of logical CPU cores (use for multithreaded functions)