CHG: syntax sugar

diff --git a/client/cmdhflegic.c b/client/cmdhflegic.c
index 3cc6c4064487b40f56e51f9383c97876dec96511..62c43f0443eb9c296a20e5168a1a24c1e5ed55a6 100644 (file)
--- a/client/cmdhflegic.c
+++ b/client/cmdhflegic.c
@@ -924,7 +924,8 @@ int CmdLegicDump(const char *Cmd){
        else
                sprintf(fnameptr + fileNlen,".bin");
 
-       if ((f = fopen(filename,"wb")) == NULL) { 
+       f = fopen(filename,"wb");
+       if (!f) { 
                PrintAndLog("Could not create file name %s", filename);
                if (data)
                        free(data);
@@ -1000,7 +1001,8 @@ int CmdLegicRestore(const char *Cmd){
        fnameptr += fileNlen;
        sprintf(fnameptr, ".bin");
 
-       if ((f = fopen(filename,"rb")) == NULL) {
+       f = fopen(filename,"rb");
+       if (!f) {
                PrintAndLog("File %s not found or locked", filename);
                return 3;
        }       
@@ -1019,14 +1021,14 @@ int CmdLegicRestore(const char *Cmd){
 
        // load file
        size_t bytes_read = fread(data, 1, numofbytes, f);
+       fclose(f);
+       
        if ( bytes_read == 0){
                PrintAndLog("File reading error");
                free(data);
-               fclose(f);
                return 2;
        }
-       fclose(f);
-
+       
        PrintAndLog("Restoring to card");
 
        // transfer to device
@@ -1096,7 +1098,8 @@ int CmdLegicELoad(const char *Cmd) {
        sprintf(fnameptr, ".bin");
        
        // open file
-       if ((f = fopen(filename,"rb")) == NULL) { 
+       f = fopen(filename,"rb");
+       if (!f) { 
                PrintAndLog("File %s not found or locked", filename);
                free(data);
                return 1;
@@ -1108,9 +1111,11 @@ int CmdLegicELoad(const char *Cmd) {
                PrintAndLog("File reading error");
                free(data);
                fclose(f);
+               f = NULL;               
                return 2;
        }
        fclose(f);
+       f = NULL;
        
        // transfer to device
        legic_seteml(data, 0, numofbytes);
@@ -1170,7 +1175,8 @@ int CmdLegicESave(const char *Cmd) {
                sprintf(fnameptr + fileNlen,".bin");
        
        // open file
-       if ((f = fopen(filename,"wb")) == NULL) { 
+       f = fopen(filename,"wb");
+       if (!f) { 
                PrintAndLog("Could not create file name %s", filename);
                free(data);
                return 1;