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remove const and pure function attributes

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Most of these functions take pointers as input argument, so they cannot be
considered neiter const or pure.  In same go fix few issues noticed when
compiling with smatch.

Signed-off-by: Sami Kerola <kerolasa@iki.fi>
This commit is contained in:
Sami Kerola 2017-01-06 23:12:34 +00:00
parent 11c0b23d77
commit ea7fd91876
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GPG key ID: A9553245FDE9B739
2 changed files with 24 additions and 39 deletions
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61
src/dhcpd-pools.h
View file

@ -63,21 +63,6 @@
# define unlikely(x) (x)
# endif
/* The __attribute__ feature is available in gcc versions 2.5 and later.
* The attribute __pure__ was added in gcc 2.96. */
# if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96)
# define _DP_ATTRIBUTE_PURE __attribute__ ((__pure__))
# else
# define _DP_ATTRIBUTE_PURE /* empty */
# endif
/* The __const__ attribute was added in gcc 2.95. */
# if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)
# define _DP_ATTRIBUTE_CONST __attribute__ ((__const__))
# else
# define _DP_ATTRIBUTE_CONST /* empty */
# endif
/* The attribute __hot__ was added in gcc 4.3. */
# if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)
# define _DP_ATTRIBUTE_HOT __attribute__ ((__hot__))
@ -245,45 +230,45 @@ extern void flip_ranges(struct range_t *restrict ranges, struct range_t *restric
/* support functions */
extern int (*parse_ipaddr) (const char *restrict src, union ipaddr_t *restrict dst);
extern int parse_ipaddr_init(const char *restrict src,
union ipaddr_t *restrict dst) _DP_ATTRIBUTE_CONST;
union ipaddr_t *restrict dst);
extern int parse_ipaddr_v4(const char *restrict src, union ipaddr_t *restrict dst);
extern int parse_ipaddr_v6(const char *restrict src, union ipaddr_t *restrict dst);
extern void (*copy_ipaddr) (union ipaddr_t *restrict dst, const union ipaddr_t *restrict src);
extern void copy_ipaddr_init(union ipaddr_t *restrict dst,
const union ipaddr_t *restrict src) _DP_ATTRIBUTE_CONST;
const union ipaddr_t *restrict src);
extern void copy_ipaddr_v4(union ipaddr_t *restrict dst, const union ipaddr_t *restrict src);
extern void copy_ipaddr_v6(union ipaddr_t *restrict dst, const union ipaddr_t *restrict src);
extern const char *(*ntop_ipaddr) (const union ipaddr_t *ip);
extern const char *ntop_ipaddr_init(const union ipaddr_t *ip) _DP_ATTRIBUTE_CONST;
extern const char *ntop_ipaddr_init(const union ipaddr_t *ip);
extern const char *ntop_ipaddr_v4(const union ipaddr_t *ip);
extern const char *ntop_ipaddr_v6(const union ipaddr_t *ip);
extern double (*get_range_size) (const struct range_t *r);
extern double get_range_size_init(const struct range_t *r) _DP_ATTRIBUTE_CONST;
extern double get_range_size_v4(const struct range_t *r) _DP_ATTRIBUTE_PURE;
extern double get_range_size_v6(const struct range_t *r) _DP_ATTRIBUTE_PURE;
extern double get_range_size_init(const struct range_t *r);
extern double get_range_size_v4(const struct range_t *r);
extern double get_range_size_v6(const struct range_t *r);
extern int (*xstrstr) (const char *restrict str);
extern int xstrstr_init(const char *restrict str) _DP_ATTRIBUTE_CONST;
extern int xstrstr_init(const char *restrict str);
extern int xstrstr_v4(const char *restrict str)
_DP_ATTRIBUTE_HOT _DP_ATTRIBUTE_PURE;
_DP_ATTRIBUTE_HOT;
extern int xstrstr_v6(const char *restrict str)
_DP_ATTRIBUTE_HOT _DP_ATTRIBUTE_PURE;
_DP_ATTRIBUTE_HOT;
extern double strtod_or_err(const char *restrict str, const char *restrict errmesg);
extern void print_version(void) __attribute__ ((noreturn));
extern void usage(int status) __attribute__ ((noreturn));
extern void __attribute__ ((noreturn)) print_version(void);
extern void __attribute__ ((noreturn)) usage(int status);
/* qsort required functions... */
/* ...for ranges and... */
extern int (*ipcomp) (const union ipaddr_t *restrict a, const union ipaddr_t *restrict b);
extern int ipcomp_init(const union ipaddr_t *restrict a,
const union ipaddr_t *restrict b) _DP_ATTRIBUTE_CONST;
const union ipaddr_t *restrict b);
extern int ipcomp_v4(const union ipaddr_t *restrict a,
const union ipaddr_t *restrict b) _DP_ATTRIBUTE_PURE;
const union ipaddr_t *restrict b);
extern int ipcomp_v6(const union ipaddr_t *restrict a,
const union ipaddr_t *restrict b) _DP_ATTRIBUTE_PURE;
const union ipaddr_t *restrict b);
extern int (*leasecomp) (const struct leases_t *restrict a, const struct leases_t *restrict b);
extern int leasecomp_init(const struct leases_t *restrict a
@ -292,20 +277,20 @@ extern int leasecomp_init(const struct leases_t *restrict a
extern int leasecomp_v4(const struct leases_t *restrict a, const struct leases_t *restrict b);
extern int leasecomp_v6(const struct leases_t *restrict a, const struct leases_t *restrict b);
extern int comp_cur(struct range_t *r1, struct range_t *r2) _DP_ATTRIBUTE_PURE;
extern int comp_double(double f1, double f2) _DP_ATTRIBUTE_CONST;
extern int comp_cur(struct range_t *r1, struct range_t *r2);
extern int comp_double(double f1, double f2);
extern int comp_ip(struct range_t *r1, struct range_t *r2);
extern int comp_max(struct range_t *r1, struct range_t *r2);
extern int comp_percent(struct range_t *r1, struct range_t *r2);
extern int comp_tc(struct range_t *r1, struct range_t *r2) _DP_ATTRIBUTE_PURE;
extern int comp_tc(struct range_t *r1, struct range_t *r2);
extern int comp_tcperc(struct range_t *r1, struct range_t *r2);
extern int comp_touched(struct range_t *r1, struct range_t *r2) _DP_ATTRIBUTE_PURE;
extern int comp_touched(struct range_t *r1, struct range_t *r2);
extern int rangecomp(const void *restrict r1, const void *restrict r2)
__attribute__ ((nonnull(1, 2)));
/* sort function pointer and functions */
extern comparer_t field_selector(char c);
extern double ret_percent(struct range_t r);
extern double ret_tc(struct range_t r) _DP_ATTRIBUTE_CONST;
extern double ret_tc(struct range_t r);
extern double ret_tcperc(struct range_t r);
extern void mergesort_ranges(struct range_t *restrict orig, int size,
struct range_t *restrict temp)
@ -322,14 +307,14 @@ extern int output_alarming(void);
extern void clean_up(void);
/* Hash functions */
extern void (*add_lease) (union ipaddr_t *ip, enum ltype type);
extern void add_lease_init(union ipaddr_t *ip, enum ltype type) _DP_ATTRIBUTE_CONST;
extern void add_lease_init(union ipaddr_t *ip, enum ltype type);
extern void add_lease_v4(union ipaddr_t *ip, enum ltype type);
extern void add_lease_v6(union ipaddr_t *ip, enum ltype type);
extern struct leases_t *(*find_lease) (union ipaddr_t *ip);
extern struct leases_t *find_lease_init(union ipaddr_t *ip) _DP_ATTRIBUTE_CONST;
extern struct leases_t *find_lease_v4(union ipaddr_t *ip) _DP_ATTRIBUTE_PURE;
extern struct leases_t *find_lease_v6(union ipaddr_t *ip) _DP_ATTRIBUTE_PURE;
extern struct leases_t *find_lease_init(union ipaddr_t *ip);
extern struct leases_t *find_lease_v4(union ipaddr_t *ip);
extern struct leases_t *find_lease_v6(union ipaddr_t *ip);
extern void delete_lease(struct leases_t *lease);
extern void delete_all_leases(void);

2
src/getdata.c
View file

@ -164,7 +164,7 @@ static int is_interesting_config_clause(char const *restrict s)
/*! \brief Flip first and last IP in range if they are in unusual order.
*/
void reorder_last_first(struct range_t *range_p)
static void reorder_last_first(struct range_t *range_p)
{
if (ipcomp(&range_p->first_ip, &range_p->last_ip) > 0) {
union ipaddr_t tmp;