String manipulation dialplan functions. More...
#include "asterisk.h"
#include <ctype.h>
#include "asterisk/module.h"
#include "asterisk/channel.h"
#include "asterisk/pbx.h"
#include "asterisk/utils.h"
#include "asterisk/app.h"
Go to the source code of this file.
Defines | |
#define | SPRINTF_CONVERSION 4 |
#define | SPRINTF_FLAG 0 |
#define | SPRINTF_LENGTH 3 |
#define | SPRINTF_PRECISION 2 |
#define | SPRINTF_WIDTH 1 |
Functions | |
static void | __reg_module (void) |
static void | __unreg_module (void) |
static int | acf_sprintf (struct ast_channel *chan, const char *cmd, char *data, char *buf, size_t len) |
AST_THREADSTORAGE_CUSTOM_SCOPE (result_buf, NULL, ast_free_ptr, static) | |
static int | load_module (void) |
static int | unload_module (void) |
Variables | |
static struct ast_module_info __MODULE_INFO_SECTION | __mod_info = { __MODULE_INFO_GLOBALS .name = AST_MODULE, .flags = AST_MODFLAG_DEFAULT , .description = "SPRINTF dialplan function" , .key = ASTERISK_GPL_KEY , .buildopt_sum = AST_BUILDOPT_SUM, .load = load_module, .unload = unload_module, } |
static struct ast_module_info * | ast_module_info = &__mod_info |
static struct ast_custom_function | sprintf_function |
String manipulation dialplan functions.
Definition in file func_sprintf.c.
#define SPRINTF_CONVERSION 4 |
Referenced by acf_sprintf().
#define SPRINTF_FLAG 0 |
Referenced by acf_sprintf().
#define SPRINTF_LENGTH 3 |
Referenced by acf_sprintf().
#define SPRINTF_PRECISION 2 |
Referenced by acf_sprintf().
#define SPRINTF_WIDTH 1 |
Referenced by acf_sprintf().
static void __reg_module | ( | void | ) | [static] |
Definition at line 230 of file func_sprintf.c.
static void __unreg_module | ( | void | ) | [static] |
Definition at line 230 of file func_sprintf.c.
static int acf_sprintf | ( | struct ast_channel * | chan, |
const char * | cmd, | ||
char * | data, | ||
char * | buf, | ||
size_t | len | ||
) | [static] |
Definition at line 63 of file func_sprintf.c.
References AST_APP_ARG, ast_copy_string(), AST_DECLARE_APP_ARGS, ast_log(), AST_STANDARD_APP_ARGS, buf, format, LOG_ERROR, SPRINTF_CONVERSION, SPRINTF_FLAG, SPRINTF_LENGTH, SPRINTF_PRECISION, SPRINTF_WIDTH, and var.
{ #define SPRINTF_FLAG 0 #define SPRINTF_WIDTH 1 #define SPRINTF_PRECISION 2 #define SPRINTF_LENGTH 3 #define SPRINTF_CONVERSION 4 int i, state = -1, argcount = 0; char *formatstart = NULL, *bufptr = buf; char formatbuf[256] = ""; int tmpi; double tmpd; AST_DECLARE_APP_ARGS(arg, AST_APP_ARG(format); AST_APP_ARG(var)[100]; ); AST_STANDARD_APP_ARGS(arg, data); /* Scan the format, converting each argument into the requisite format type. */ for (i = 0; arg.format[i]; i++) { switch (state) { case SPRINTF_FLAG: if (strchr("#0- +'I", arg.format[i])) break; state = SPRINTF_WIDTH; case SPRINTF_WIDTH: if (arg.format[i] >= '0' && arg.format[i] <= '9') break; /* Next character must be a period to go into a precision */ if (arg.format[i] == '.') { state = SPRINTF_PRECISION; } else { state = SPRINTF_LENGTH; i--; } break; case SPRINTF_PRECISION: if (arg.format[i] >= '0' && arg.format[i] <= '9') break; state = SPRINTF_LENGTH; case SPRINTF_LENGTH: if (strchr("hl", arg.format[i])) { if (arg.format[i + 1] == arg.format[i]) i++; state = SPRINTF_CONVERSION; break; } else if (strchr("Lqjzt", arg.format[i])) { state = SPRINTF_CONVERSION; break; } state = SPRINTF_CONVERSION; case SPRINTF_CONVERSION: if (strchr("diouxXc", arg.format[i])) { /* Integer */ /* Isolate this format alone */ ast_copy_string(formatbuf, formatstart, sizeof(formatbuf)); formatbuf[&arg.format[i] - formatstart + 1] = '\0'; /* Convert the argument into the required type */ if (arg.var[argcount]) { if (sscanf(arg.var[argcount++], "%30d", &tmpi) != 1) { ast_log(LOG_ERROR, "Argument '%s' is not an integer number for format '%s'\n", arg.var[argcount - 1], formatbuf); goto sprintf_fail; } } else { ast_log(LOG_ERROR, "SPRINTF() has more format specifiers than arguments!\n"); goto sprintf_fail; } /* Format the argument */ snprintf(bufptr, buf + len - bufptr, formatbuf, tmpi); /* Update the position of the next parameter to print */ bufptr = strchr(buf, '\0'); } else if (strchr("eEfFgGaA", arg.format[i])) { /* Double */ /* Isolate this format alone */ ast_copy_string(formatbuf, formatstart, sizeof(formatbuf)); formatbuf[&arg.format[i] - formatstart + 1] = '\0'; /* Convert the argument into the required type */ if (arg.var[argcount]) { if (sscanf(arg.var[argcount++], "%30lf", &tmpd) != 1) { ast_log(LOG_ERROR, "Argument '%s' is not a floating point number for format '%s'\n", arg.var[argcount - 1], formatbuf); goto sprintf_fail; } } else { ast_log(LOG_ERROR, "SPRINTF() has more format specifiers than arguments!\n"); goto sprintf_fail; } /* Format the argument */ snprintf(bufptr, buf + len - bufptr, formatbuf, tmpd); /* Update the position of the next parameter to print */ bufptr = strchr(buf, '\0'); } else if (arg.format[i] == 's') { /* String */ /* Isolate this format alone */ ast_copy_string(formatbuf, formatstart, sizeof(formatbuf)); formatbuf[&arg.format[i] - formatstart + 1] = '\0'; /* Format the argument */ snprintf(bufptr, buf + len - bufptr, formatbuf, arg.var[argcount++]); /* Update the position of the next parameter to print */ bufptr = strchr(buf, '\0'); } else if (arg.format[i] == '%') { /* Literal data to copy */ *bufptr++ = arg.format[i]; } else { /* Not supported */ /* Isolate this format alone */ ast_copy_string(formatbuf, formatstart, sizeof(formatbuf)); formatbuf[&arg.format[i] - formatstart + 1] = '\0'; ast_log(LOG_ERROR, "Format type not supported: '%s' with argument '%s'\n", formatbuf, arg.var[argcount++]); goto sprintf_fail; } state = -1; break; default: if (arg.format[i] == '%') { state = SPRINTF_FLAG; formatstart = &arg.format[i]; break; } else { /* Literal data to copy */ *bufptr++ = arg.format[i]; } } } *bufptr = '\0'; return 0; sprintf_fail: return -1; }
AST_THREADSTORAGE_CUSTOM_SCOPE | ( | result_buf | , |
NULL | , | ||
ast_free_ptr | , | ||
static | |||
) |
static int load_module | ( | void | ) | [static] |
Definition at line 221 of file func_sprintf.c.
References ast_custom_function_register.
{ int res = 0; res |= ast_custom_function_register(&sprintf_function); return res; }
static int unload_module | ( | void | ) | [static] |
Definition at line 212 of file func_sprintf.c.
References ast_custom_function_unregister().
{ int res = 0; res |= ast_custom_function_unregister(&sprintf_function); return res; }
struct ast_module_info __MODULE_INFO_SECTION __mod_info = { __MODULE_INFO_GLOBALS .name = AST_MODULE, .flags = AST_MODFLAG_DEFAULT , .description = "SPRINTF dialplan function" , .key = ASTERISK_GPL_KEY , .buildopt_sum = AST_BUILDOPT_SUM, .load = load_module, .unload = unload_module, } [static] |
Definition at line 230 of file func_sprintf.c.
struct ast_module_info* ast_module_info = &__mod_info [static] |
Definition at line 230 of file func_sprintf.c.
struct ast_custom_function sprintf_function [static] |
{ .name = "SPRINTF", .read = acf_sprintf, }
Definition at line 207 of file func_sprintf.c.