add configuration system

1 files changed, 63 insertions, 0 deletions

diff --git a/src/extString.c b/src/extString.c
new file mode 100644
index 0000000..6538dac
--- /dev/null
+++ b/src/extString.c
@@ -0,0 +1,63 @@
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+
+char *strlwr(char *s)
+{
+  unsigned char *p = (unsigned char *)s;
+
+  while (*p) {
+     *p = tolower((unsigned char)*p);
+      p++;
+  }
+
+  return s;
+}
+
+char *trim(char *s)
+{
+  char *result = strdup(s);
+  char *end;
+
+  while(isspace((unsigned char)*result)) result++;
+
+  if(*result == 0)
+    return result;
+
+  end = result + strlen(result) - 1;
+  while(end > result && isspace((unsigned char)*end)) end--;
+
+  end[1] = '\0';
+
+  return result;
+}
+
+char *replaceStr(char *s, char *old, char *replace) {
+  char* result; 
+  int i, cnt = 0; 
+  size_t newSize = strlen(replace); 
+  size_t oldSize = strlen(old); 
+ 
+  for (i = 0; s[i] != '\0'; i++) { 
+    if (strstr(&s[i], old) == &s[i]) { 
+      cnt++; 
+      i += oldSize - 1; 
+    } 
+  } 
+
+  result = (char*)malloc(i + cnt * (newSize - oldSize) + 1); 
+ 
+  i = 0; 
+  while (*s) { 
+    if (strstr(s, old) == s) { 
+      strcpy(&result[i], replace); 
+      i += newSize; 
+      s += oldSize; 
+    } 
+    else
+      result[i++] = *s++; 
+  } 
+ 
+  result[i] = '\0'; 
+  return result; 
+};