working on invoice form

1 files changed, 17 insertions, 0 deletions

diff --git a/src/strops.cpp b/src/strops.cpp
index 42042cb..116eec4 100644
--- a/src/strops.cpp
+++ b/src/strops.cpp
@@ -1,4 +1,5 @@
 #include <string.h>
+#include <ctype.h>
 
 #include "strops.hpp"
 
@@ -15,4 +16,20 @@ size_t strops_copy(char *dst, const char *src, size_t size)
     dst[srclen] = '\0';
 
     return (srclen);
+}
+
+char* strops_stristr(char* haystack, char* needle)
+{
+    do {
+    const char* h = haystack;
+    const char* n = needle;
+    while (tolower((unsigned char) *h) == tolower((unsigned char ) *n) && *n) {
+      h++;
+      n++;
+    }
+    if (*n == 0) {
+      return (char *) haystack;
+    }
+  } while (*haystack++);
+  return 0;
 }
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