libamxc  1.10.3
C Generic Data Containers
variant_fd.c File Reference
#include <sys/resource.h>
#include <stdlib.h>
#include <stdio.h>
#include <fcntl.h>
#include <amxc_variant_priv.h>

Go to the source code of this file.

Functions

static int variant_fd_to_string (amxc_var_t *const dest, const amxc_var_t *const src)
 
static int variant_fd_to_int8 (amxc_var_t *const dest, const amxc_var_t *const src)
 
static int variant_fd_to_int16 (amxc_var_t *const dest, const amxc_var_t *const src)
 
static int variant_fd_to_int32 (amxc_var_t *const dest, const amxc_var_t *const src)
 
static int variant_fd_to_int64 (amxc_var_t *const dest, const amxc_var_t *const src)
 
static int variant_fd_to_uint8 (amxc_var_t *const dest, const amxc_var_t *const src)
 
static int variant_fd_to_uint16 (amxc_var_t *const dest, const amxc_var_t *const src)
 
static int variant_fd_to_uint32 (amxc_var_t *const dest, const amxc_var_t *const src)
 
static int variant_fd_to_uint64 (amxc_var_t *const dest, const amxc_var_t *const src)
 
static int variant_fd_to_float (amxc_var_t *const dest, const amxc_var_t *const src)
 
static int variant_fd_to_double (amxc_var_t *const dest, const amxc_var_t *const src)
 
static int variant_fd_to_bool (amxc_var_t *const dest, const amxc_var_t *const src)
 
static int variant_fd_convert_to (amxc_var_t *const dest, const amxc_var_t *const src)
 
static int variant_fd_compare (const amxc_var_t *const lval, const amxc_var_t *const rval, int *const result)
 
static CONSTRUCTOR void amxc_var_fd_init (void)
 
static DESTRUCTOR void amxc_var_fd_cleanup (void)
 
int amxc_var_set_fd_t (amxc_var_t *var, int val)
 Setter helper function. More...
 
fd_t amxc_var_get_fd_t (const amxc_var_t *var)
 Conversion helper function. More...
 
fd_t amxc_var_get_const_fd_t (const amxc_var_t *const var)
 Conversion helper function. More...
 
amxc_var_tamxc_var_add_new_fd_t (amxc_var_t *const var, int val)
 Conversion helper function. More...
 
amxc_var_tamxc_var_add_new_key_fd_t (amxc_var_t *const var, const char *key, int val)
 Conversion helper function. More...
 

Variables

static amxc_var_type_t amxc_variant_fd
 

Function Documentation

◆ amxc_var_fd_cleanup()

static DESTRUCTOR void amxc_var_fd_cleanup ( void  )
static

Definition at line 281 of file variant_fd.c.

281  {
283 }
int PRIVATE amxc_var_remove_type(amxc_var_type_t *const type)
static amxc_var_type_t amxc_variant_fd
Definition: variant_fd.c:260

◆ amxc_var_fd_init()

static CONSTRUCTOR void amxc_var_fd_init ( void  )
static

Definition at line 277 of file variant_fd.c.

277  {
279 }
uint32_t PRIVATE amxc_var_add_type(amxc_var_type_t *const type, const uint32_t index)
#define AMXC_VAR_ID_FD
File descriptor variant id.
Definition: amxc_variant.h:218

◆ variant_fd_compare()

static int variant_fd_compare ( const amxc_var_t *const  lval,
const amxc_var_t *const  rval,
int *const  result 
)
static

Definition at line 247 of file variant_fd.c.

249  {
250  if(lval->data.fd == rval->data.fd) {
251  *result = 0;
252  } else if(lval->data.fd > rval->data.fd) {
253  *result = 1;
254  } else {
255  *result = -1;
256  }
257  return 0;
258 }
void * data
Definition: amxc_variant.h:883

◆ variant_fd_convert_to()

static int variant_fd_convert_to ( amxc_var_t *const  dest,
const amxc_var_t *const  src 
)
static

Definition at line 205 of file variant_fd.c.

206  {
207  int retval = -1;
208 
226  NULL,
230  };
231 
232  if(dest->type_id >= AMXC_VAR_ID_CUSTOM_BASE) {
233  goto exit;
234  }
235 
236  if(convfn[dest->type_id] != NULL) {
237  if(dest->type_id == AMXC_VAR_ID_ANY) {
239  }
240  retval = convfn[dest->type_id](dest, src);
241  }
242 
243 exit:
244  return retval;
245 }
int PRIVATE amxc_var_default_convert_to_null(amxc_var_t *const dest, const amxc_var_t *const src)
int PRIVATE amxc_var_default_convert_to_htable(amxc_var_t *const dest, const amxc_var_t *const src)
Definition: amxc_variant.c:174
int PRIVATE amxc_var_default_copy(amxc_var_t *const dest, const amxc_var_t *const src)
Definition: amxc_variant.c:136
int PRIVATE amxc_var_default_convert_to_list(amxc_var_t *const dest, const amxc_var_t *const src)
Definition: amxc_variant.c:155
#define AMXC_VAR_ID_CUSTOM_BASE
Base variant id for custom variants.
Definition: amxc_variant.h:257
#define AMXC_VAR_ID_ANY
Special variant id, typically used in cast or conversion functions.
Definition: amxc_variant.h:247
#define AMXC_VAR_ID_INT64
Signed 64 bit integer variant id.
Definition: amxc_variant.h:158
int(* amxc_var_convert_fn_t)(amxc_var_t *const dest, const amxc_var_t *const src)
Variant type callback function prototype for dynamically converting one type to another.
int amxc_var_set_type(amxc_var_t *const var, const uint32_t type)
Change the variant data type.
Definition: amxc_variant.c:261
uint32_t type_id
Definition: amxc_variant.h:864
static int variant_fd_to_uint8(amxc_var_t *const dest, const amxc_var_t *const src)
Definition: variant_fd.c:137
static int variant_fd_to_int32(amxc_var_t *const dest, const amxc_var_t *const src)
Definition: variant_fd.c:113
static int variant_fd_to_int8(amxc_var_t *const dest, const amxc_var_t *const src)
Definition: variant_fd.c:85
static int variant_fd_to_string(amxc_var_t *const dest, const amxc_var_t *const src)
Definition: variant_fd.c:63
static int variant_fd_to_uint64(amxc_var_t *const dest, const amxc_var_t *const src)
Definition: variant_fd.c:179
static int variant_fd_to_int64(amxc_var_t *const dest, const amxc_var_t *const src)
Definition: variant_fd.c:127
static int variant_fd_to_double(amxc_var_t *const dest, const amxc_var_t *const src)
Definition: variant_fd.c:192
static int variant_fd_to_bool(amxc_var_t *const dest, const amxc_var_t *const src)
Definition: variant_fd.c:198
static int variant_fd_to_int16(amxc_var_t *const dest, const amxc_var_t *const src)
Definition: variant_fd.c:99
static int variant_fd_to_float(amxc_var_t *const dest, const amxc_var_t *const src)
Definition: variant_fd.c:186
static int variant_fd_to_uint16(amxc_var_t *const dest, const amxc_var_t *const src)
Definition: variant_fd.c:151
static int variant_fd_to_uint32(amxc_var_t *const dest, const amxc_var_t *const src)
Definition: variant_fd.c:165

◆ variant_fd_to_bool()

static int variant_fd_to_bool ( amxc_var_t *const  dest,
const amxc_var_t *const  src 
)
static

Definition at line 198 of file variant_fd.c.

199  {
200 
201  dest->data.b = fcntl((int) llabs(src->data.fd), F_GETFD) != 0 ? false : true;
202  return 0;
203 }

◆ variant_fd_to_double()

static int variant_fd_to_double ( amxc_var_t *const  dest,
const amxc_var_t *const  src 
)
static

Definition at line 192 of file variant_fd.c.

193  {
194  dest->data.d = (double) src->data.fd;
195  return 0;
196 }

◆ variant_fd_to_float()

static int variant_fd_to_float ( amxc_var_t *const  dest,
const amxc_var_t *const  src 
)
static

Definition at line 186 of file variant_fd.c.

187  {
188  dest->data.f = (float) src->data.fd;
189  return 0;
190 }

◆ variant_fd_to_int16()

static int variant_fd_to_int16 ( amxc_var_t *const  dest,
const amxc_var_t *const  src 
)
static

Definition at line 99 of file variant_fd.c.

100  {
101  int retval = -1;
102 
103  /* verify overflow or underflow */
104  when_true(src->data.fd > INT16_MAX || src->data.fd < INT16_MIN, exit);
105 
106  dest->data.i16 = (int16_t) src->data.fd;
107  retval = 0;
108 
109 exit:
110  return retval;
111 }
#define when_true(x, l)
Definition: amxc_macros.h:134

◆ variant_fd_to_int32()

static int variant_fd_to_int32 ( amxc_var_t *const  dest,
const amxc_var_t *const  src 
)
static

Definition at line 113 of file variant_fd.c.

114  {
115  int retval = -1;
116 
117  /* verify overflow or underflow */
118  when_true(src->data.fd > INT32_MAX || src->data.fd < INT32_MIN, exit);
119 
120  dest->data.i32 = (int32_t) src->data.fd;
121  retval = 0;
122 
123 exit:
124  return retval;
125 }

◆ variant_fd_to_int64()

static int variant_fd_to_int64 ( amxc_var_t *const  dest,
const amxc_var_t *const  src 
)
static

Definition at line 127 of file variant_fd.c.

128  {
129  int retval = -1;
130 
131  dest->data.i64 = (int64_t) src->data.fd;
132  retval = 0;
133 
134  return retval;
135 }

◆ variant_fd_to_int8()

static int variant_fd_to_int8 ( amxc_var_t *const  dest,
const amxc_var_t *const  src 
)
static

Definition at line 85 of file variant_fd.c.

86  {
87  int retval = -1;
88 
89  /* verify overflow or underflow */
90  when_true(src->data.fd > INT8_MAX || src->data.fd < INT8_MIN, exit);
91 
92  dest->data.i8 = (int8_t) src->data.fd;
93  retval = 0;
94 
95 exit:
96  return retval;
97 }

◆ variant_fd_to_string()

static int variant_fd_to_string ( amxc_var_t *const  dest,
const amxc_var_t *const  src 
)
static

Definition at line 63 of file variant_fd.c.

64  {
65  int retval = -1;
66  int check = 0;
67  int size_needed = snprintf(NULL, 0, "%" PRId32, src->data.fd);
68  dest->data.s = (char*) calloc(size_needed + 1, sizeof(char));
69 
70  when_null(dest->data.s, exit);
71 
72  check = snprintf(dest->data.s, size_needed + 1, "%" PRId32, src->data.fd);
73  if(check < 0) {
74  free(dest->data.s);
75  dest->data.s = NULL;
76  goto exit;
77  }
78 
79  retval = 0;
80 
81 exit:
82  return retval;
83 }
#define when_null(x, l)
Definition: amxc_macros.h:126

◆ variant_fd_to_uint16()

static int variant_fd_to_uint16 ( amxc_var_t *const  dest,
const amxc_var_t *const  src 
)
static

Definition at line 151 of file variant_fd.c.

152  {
153  int retval = -1;
154 
155  /* verify overflow or underflow */
156  when_true(src->data.fd == INT32_MIN || llabs(src->data.fd) > UINT16_MAX, exit);
157 
158  dest->data.ui16 = (uint16_t) llabs(src->data.fd);
159  retval = 0;
160 
161 exit:
162  return retval;
163 }

◆ variant_fd_to_uint32()

static int variant_fd_to_uint32 ( amxc_var_t *const  dest,
const amxc_var_t *const  src 
)
static

Definition at line 165 of file variant_fd.c.

166  {
167  int retval = -1;
168 
169  /* verify overflow or underflow */
170  when_true(src->data.fd == INT32_MIN || llabs(src->data.fd) > UINT32_MAX, exit);
171 
172  dest->data.ui32 = (uint32_t) llabs(src->data.fd);
173  retval = 0;
174 
175 exit:
176  return retval;
177 }

◆ variant_fd_to_uint64()

static int variant_fd_to_uint64 ( amxc_var_t *const  dest,
const amxc_var_t *const  src 
)
static

Definition at line 179 of file variant_fd.c.

180  {
181  dest->data.ui64 = llabs(src->data.fd);
182  return 0;
183 }

◆ variant_fd_to_uint8()

static int variant_fd_to_uint8 ( amxc_var_t *const  dest,
const amxc_var_t *const  src 
)
static

Definition at line 137 of file variant_fd.c.

138  {
139  int retval = -1;
140 
141  /* verify overflow or underflow */
142  when_true(src->data.fd == INT32_MIN || llabs(src->data.fd) > UINT8_MAX, exit);
143 
144  dest->data.ui8 = (uint8_t) llabs(src->data.fd);
145  retval = 0;
146 
147 exit:
148  return retval;
149 }

Variable Documentation

◆ amxc_variant_fd

amxc_var_type_t amxc_variant_fd
static
Initial value:
= {
.init = NULL,
.del = NULL,
.convert_from = NULL,
.convert_to = variant_fd_convert_to,
.compare = variant_fd_compare,
.get_key = NULL,
.set_key = NULL,
.get_index = NULL,
.set_index = NULL,
.type_id = 0,
.hit = { .ait = NULL, .key = NULL, .next = NULL },
}
int PRIVATE amxc_var_default_move(amxc_var_t *const dest, amxc_var_t *const src)
Definition: amxc_variant.c:142
#define AMXC_VAR_NAME_FD
Provides a name for variant id AMXC_VAR_ID_FD.
Definition: amxc_variant.h:360
static int variant_fd_convert_to(amxc_var_t *const dest, const amxc_var_t *const src)
Definition: variant_fd.c:205
static int variant_fd_compare(const amxc_var_t *const lval, const amxc_var_t *const rval, int *const result)
Definition: variant_fd.c:247

Definition at line 260 of file variant_fd.c.