regarding #183:

[rrdtool.git] / src / rrd_tool.c

diff --git a/src/rrd_tool.c b/src/rrd_tool.c
index 670e3c3..d50e608 100644 (file)
--- a/src/rrd_tool.c
+++ b/src/rrd_tool.c
@@ -1,5 +1,5 @@
 /*****************************************************************************
- * RRDtool 1.3rc9  Copyright by Tobi Oetiker, 1997-2008
+ * RRDtool 1.3.2  Copyright by Tobi Oetiker, 1997-2008
  *****************************************************************************
  * rrd_tool.c  Startup wrapper
  *****************************************************************************/
@@ -364,11 +364,16 @@ static char *fgetslong(
             return *aLinePtr = linebuf;
         bufsize += MAX_LENGTH;
         if (!(linebuf = realloc(linebuf, bufsize))) {
+            free(linebuf);
             perror("fgetslong: realloc");
             exit(1);
         }
     }
-    return *aLinePtr = linebuf[0] ? linebuf : 0;
+    if (linebuf[0]){
+        return  *aLinePtr = linebuf;
+    }
+    free(linebuf);
+    return *aLinePtr = 0;
 }
 
 int main(
@@ -419,11 +424,8 @@ int main(
                    == 0) {
 
 #ifdef HAVE_CHROOT
-                chroot(argv[2]);
-                if (errno != 0) {
-                    fprintf(stderr,
-                            "ERROR: can't change root to '%s' errno=%d\n",
-                            argv[2], errno);
+                if (chroot(argv[2]) != 0){
+                    fprintf(stderr, "ERROR: chroot %s: %s\n", argv[2],rrd_strerror(errno));
                     exit(errno);
                 }
                 ChangeRoot = 1;
@@ -439,15 +441,15 @@ int main(
             }
         }
         if (strcmp(firstdir, "")) {
-            chdir(firstdir);
-            if (errno != 0) {
-                fprintf(stderr, "ERROR: %s\n", rrd_strerror(errno));
+            if (chdir(firstdir) != 0){
+                fprintf(stderr, "ERROR: chdir %s %s\n", firstdir,rrd_strerror(errno));
                 exit(errno);
             }
         }
 
         while (fgetslong(&aLine, stdin)) {
             if ((argc = CountArgs(aLine)) == 0) {
+                free(aLine);
                 printf("ERROR: not enough arguments\n");
             }
             if ((myargv = (char **) malloc((argc + 1) *
@@ -456,6 +458,8 @@ int main(
                 exit(1);
             }
             if ((argc = CreateArgs(argv[0], aLine, argc, myargv)) < 0) {
+                free(aLine);
+                free(myargv);
                 printf("ERROR: creating arguments\n");
             } else {
                 int       ret = HandleInputLine(argc, myargv, stdout);
@@ -512,7 +516,6 @@ int HandleInputLine(
 
     /* Reset errno to 0 before we start.
      */
-    errno = 0;
     if (RemoteMode) {
         if (argc > 1 && strcmp("quit", argv[1]) == 0) {
             if (argc > 2) {
@@ -535,9 +538,8 @@ int HandleInputLine(
                 return (1);
             }
 #endif
-            chdir(argv[2]);
-            if (errno != 0) {
-                printf("ERROR: %s\n", rrd_strerror(errno));
+            if (chdir(argv[2]) != 0){
+                printf("ERROR: chdir %s %s\n", argv[2], rrd_strerror(errno));
                 return (1);
             }
             return (0);
@@ -549,7 +551,7 @@ int HandleInputLine(
             }
             cwd = getcwd(NULL, MAXPATH);
             if (cwd == NULL) {
-                printf("ERROR: %s\n", rrd_strerror(errno));
+                printf("ERROR: getcwd %s\n", rrd_strerror(errno));
                 return (1);
             }
             printf("%s\n", cwd);
@@ -569,9 +571,8 @@ int HandleInputLine(
                 return (1);
             }
 #endif
-            mkdir(argv[2], 0777);
-            if (errno != 0) {
-                printf("ERROR: %s\n", rrd_strerror(errno));
+            if(mkdir(argv[2], 0777)!=0){
+                printf("ERROR: mkdir %s: %s\n", argv[2],rrd_strerror(errno));
                 return (1);
             }
             return (0);
@@ -599,7 +600,7 @@ int HandleInputLine(
                 }
                 closedir(curdir);
             } else {
-                printf("ERROR: %s\n", rrd_strerror(errno));
+                printf("ERROR: opendir .: %s\n", rrd_strerror(errno));
                 return (errno);
             }
             return (0);
@@ -804,7 +805,7 @@ int HandleInputLine(
         }
 
     } else if (strcmp("graphv", argv[1]) == 0) {
-        rrd_info_t *grinfo = NULL;    /* 1 to distinguish it from the NULL that rrd_graph sends in */
+        rrd_info_t *grinfo = NULL;  /* 1 to distinguish it from the NULL that rrd_graph sends in */
 
         grinfo = rrd_graph_v(argc - 1, &argv[1]);
         if (grinfo) {