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Add a free_iovec() function to reset iovec's.
The primary purpose is to call nmount() in a loop with new iovec's so free_iovec takes arguments by reference and resets their values. Reviewed by: cem MFC after: 1 week Sponsored by: DARPA, AFRL Differential Revision: https://reviews.freebsd.org/D8513
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=310092
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@ -181,3 +181,17 @@ build_iovec_argf(struct iovec **iov, int *iovlen, const char *name,
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va_end(ap);
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build_iovec(iov, iovlen, name, strdup(val), (size_t)-1);
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}
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/*
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* Free the iovec and reset to NULL with zero length. Useful for calling
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* nmount in a loop.
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*/
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void
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free_iovec(struct iovec **iov, int *iovlen)
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{
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int i;
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for (i = 0; i < *iovlen; i++)
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free((*iov)[i].iov_base);
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free(*iov);
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}
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@ -99,3 +99,4 @@ int checkpath(const char *, char resolved_path[]);
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extern int getmnt_silent;
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void build_iovec(struct iovec **iov, int *iovlen, const char *name, void *val, size_t len);
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void build_iovec_argf(struct iovec **iov, int *iovlen, const char *name, const char *fmt, ...);
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void free_iovec(struct iovec **iovec, int *iovlen);
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