diff options
Diffstat (limited to 'apps/app_read.c')
-rwxr-xr-x | apps/app_read.c | 44 |
1 files changed, 31 insertions, 13 deletions
diff --git a/apps/app_read.c b/apps/app_read.c index cbc65f941..103e85710 100755 --- a/apps/app_read.c +++ b/apps/app_read.c @@ -31,13 +31,17 @@ static char *app = "Read"; static char *synopsis = "Read a variable"; static char *descrip = -" Read(variable[|filename][|maxdigits]): Reads a #-terminated string of digits from\n" -"the user, optionally playing a given filename first. Returns -1 on hangup or\n" -"error and 0 otherwise.\n" -" maxdigits -- maximum acceptable number of digits. Stops reading after maxdigits\n" -" have been entered (without requiring the user press the '#' key).\n" -" Defaults to 0 - no limit - wait for the user press the '#' key.\n" -" Any value below 0 means the same. Max accepted value is 255.\n"; +" Read(variable[|filename][|maxdigits][|option])\n\n" +"Reads a #-terminated string of digits from the user in to the given variable,\n" +"optionally playing a given filename first.\n" +" maxdigits -- maximum acceptable number of digits. Stops reading after\n" +" maxdigits have been entered (without requiring the user to\n" +" press the '#' key).\n" +" Defaults to 0 - no limit - wait for the user press the '#' key.\n" +" Any value below 0 means the same. Max accepted value is 255.\n" +" option -- may be 'skip' to return immediately if the line is not up,\n" +" or 'noanswer' to read digits even if the line is not up.\n\n" +"Returns -1 on hangup or error and 0 otherwise.\n"; STANDARD_LOCAL_USER; @@ -48,21 +52,29 @@ static int read_exec(struct ast_channel *chan, void *data) int res = 0; struct localuser *u; char tmp[256]; + char argdata[256] = ""; char *varname; char *filename; char *stringp; char *maxdigitstr; + char *options; + int option_skip = 0; + int option_noanswer = 0; int maxdigits=255; if (!data || ast_strlen_zero((char *)data)) { ast_log(LOG_WARNING, "Read requires an argument (variable)\n"); return -1; } - strncpy(tmp, (char *)data, sizeof(tmp)-1); - stringp=(char *)calloc(1,strlen(tmp)+1); - snprintf(stringp,strlen(tmp)+1,"%s",tmp); + strncpy(argdata, (char *)data, sizeof(argdata)-1); + stringp=argdata; varname = strsep(&stringp, "|"); filename = strsep(&stringp, "|"); maxdigitstr = strsep(&stringp,"|"); + options = strsep(&stringp, "|"); + if (options && !strcasecmp(options, "skip")) + option_skip = 1; + if (options && !strcasecmp(options, "noanswer")) + option_noanswer = 1; if (!(filename) || ast_strlen_zero(filename)) filename = NULL; if (maxdigitstr) { @@ -78,10 +90,16 @@ static int read_exec(struct ast_channel *chan, void *data) } LOCAL_USER_ADD(u); if (chan->_state != AST_STATE_UP) { - /* Answer if the line isn't up. */ - res = ast_answer(chan); + if (option_skip) { + /* At the user's option, skip if the line is not up */ + pbx_builtin_setvar_helper(chan, varname, "\0"); + LOCAL_USER_REMOVE(u); + return 0; + } else if (!option_noanswer) { + /* Otherwise answer unless we're supposed to read while on-hook */ + res = ast_answer(chan); + } } - strncpy(tmp, (char *)varname, sizeof(tmp)-1); if (!res) { ast_stopstream(chan); res = ast_app_getdata(chan, filename, tmp, maxdigits, 0); |