Add error message for easycsv_find_value fail

Signed-off-by: Pradana AUMARS <paumars@courrier.dev>

src/easycsv_error.c

@@ -44,6 +44,7 @@ easycsv_error(EASYCSV_ERROR error,
   case EASYCSV_COLNOTEXIST: sprintf(s_error_msg, "given column does not exist"); return;
   case EASYCSV_PUSHCOLFAIL: sprintf(s_error_msg, "failed to push value under column"); return;
   case EASYCSV_COLNUMFAIL: sprintf(s_error_msg, "failed to determine the column number of a value in the first row"); return;
+  case EASYCSV_FINDVALUEFAIL: sprintf(s_error_msg, "cannot find the value %s", error_msg); return;
   default: sprintf(s_error_msg, "unknown error"); return;
   }
 }

src/easycsv_error.h

@@ -33,6 +33,7 @@ typedef enum EASYCSV_ERROR {
   EASYCSV_PUSHCOLFAIL, // push column value fail
   EASYCSV_COLNUMFAIL, // column number retrieval fail
   EASYCSV_READVALUEFAIL, // read value fail
+  EASYCSV_FINDVALUEFAIL, // find value fail
 } EASYCSV_ERROR;
 
 void