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commandhelper: Use automatic memory management in printEnvironment
Signed-off-by: Tim Wiederhake <twiederh@redhat.com> Reviewed-by: Peter Krempa <pkrempa@redhat.com>
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368afd0bb6
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0793d15685
@ -54,6 +54,12 @@ static void cleanupArguments(struct Arguments **ptr)
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free(args);
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}
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static void cleanupGeneric(void *ptr)
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{
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void **ptrptr = ptr;
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free (*ptrptr);
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}
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static struct Arguments *parseArguments(int argc, char** argv)
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{
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cleanup(struct Arguments *, cleanupArguments) args = NULL;
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@ -124,16 +130,15 @@ static int envsort(const void *a, const void *b)
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static int printEnvironment(FILE *log)
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{
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char **newenv;
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cleanup(char **, cleanupGeneric) newenv = NULL;
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size_t length;
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size_t i;
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int ret = -1;
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for (length = 0; environ[length]; length++) {
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}
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if (!(newenv = malloc(sizeof(*newenv) * length)))
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goto cleanup;
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return -1;
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for (i = 0; i < length; i++) {
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newenv[i] = environ[i];
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@ -148,12 +153,7 @@ static int printEnvironment(FILE *log)
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fprintf(log, "ENV:%s\n", newenv[i]);
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}
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ret = 0;
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cleanup:
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if (newenv)
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free(newenv);
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return ret;
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return 0;
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}
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static int printFds(FILE *log)
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