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Code Issues Releases Wiki Activity

dtcalc/ds_xlib.c: coverity CID 175093; wrong sizeof/bad free

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This commit is contained in:
Jon Trulson 2018-04-01 18:30:10 -06:00
parent 75a892d93f
commit ce471d7068
2 changed files with 26 additions and 11 deletions
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35
cde/programs/dtcalc/ds_xlib.c
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@ -35,6 +35,8 @@
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdint.h>
#include <stdbool.h>
#include <ctype.h>
#include <sys/param.h>
#include <sys/stat.h>
@ -254,15 +256,24 @@ int
ds_save_resources(XrmDatabase rDB, char *filename)
{
char *home;
struct stat statbuf ;
struct stat statbuf;
bool needsFree = false;
if(filename == NULL)
if (filename == NULL)
{
if ((filename = getenv("DTCALCDEF")) == NULL)
{
home = getenv("HOME") ;
filename = (char*) calloc(1, strlen(home) + 18) ;
snprintf(filename, sizeof(filename), "%s/.dtcalcdef", home) ;
size_t fileLen = strlen(home) + 18;
home = getenv("HOME");
if ( (filename = calloc(1, fileLen)) != NULL )
{
needsFree = true;
snprintf(filename, fileLen, "%s/.dtcalcdef", home);
}
else
{
return 1;
}
}
}
@ -270,14 +281,18 @@ ds_save_resources(XrmDatabase rDB, char *filename)
if (stat(filename, &statbuf) != -1 && access(filename, W_OK) != 0)
{
free(filename) ;
return(1) ;
if (needsFree)
free(filename);
return(1);
}
/* If file does not exist this call will create it. */
XrmPutFileDatabase(rDB, filename) ;
free(filename) ;
return(0) ;
XrmPutFileDatabase(rDB, filename);
if (needsFree)
free(filename);
return(0);
}

2
cde/programs/dtcalc/motif.h
View file

@ -177,4 +177,4 @@ XVars X ;
#define HOME_RESTORE 1
#define CURRENT_RESTORE 2
#define MAX_PATH 1024
#define MAX_PATH PATH_MAX