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#include "filehash.h"
#include <stdlib.h>
#include <string.h>
struct filehash_t
{
const char *hash_program;
const char **argv;
unsigned max_per_invocation;
};
filehash_t *
filehash_new(const char *hash_program, unsigned max_per_invocation)
{
filehash_t *fh;
fh = malloc(sizeof(filehash_t));
if (!fh)
return NULL;
*fh = (filehash_t){
.hash_program = strdup(hash_program),
.max_per_invocation = max_per_invocation,
.argv = reallocarray(NULL, 1 + max_per_invocation, sizeof(const char *)),
};
if (!fh->hash_program)
goto fail;
if (!fh->argv)
goto fail;
fh->argv[max_per_invocation] = NULL;
return fh;
fail:
filehash_free(fh);
return NULL;
}
void
filehash_free(filehash_t *fh)
{
if (!fh)
return;
free(fh->argv);
free((void *)fh->hash_program);
free(fh);
}
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