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Enhance to accept a maximum of N digits. Bug #1261

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@2509 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Jeremy McNamara
2004-03-21 00:33:05 +00:00
parent 7c35f68e29
commit 730ca5f9b1
1 changed files with 20 additions and 4 deletions
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24
apps/app_read.c
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@@ -31,9 +31,13 @@ static char *app = "Read";
static char *synopsis = "Read a variable";
static char *descrip =
" Read(variable[|filename]): Reads a '#' terminated string of digits from\n"
" 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";
"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";
STANDARD_LOCAL_USER;
@@ -44,9 +48,11 @@ static int read_exec(struct ast_channel *chan, void *data)
int res = 0;
struct localuser *u;
char tmp[256];
char tmp2[128]="";
char tmp2[256]="";
char *filename;
char *stringp;
char *maxdigitstr;
int maxdigits=255;
if (!data || !strlen((char *)data)) {
ast_log(LOG_WARNING, "Read requires an argument (variable)\n");
return -1;
@@ -55,6 +61,16 @@ static int read_exec(struct ast_channel *chan, void *data)
stringp=tmp;
strsep(&stringp, "|");
filename = strsep(&stringp, "|");
maxdigitstr = strsep(&stringp,"|");
if (maxdigitstr)
{
maxdigits = atoi(maxdigitstr);
if ((maxdigits<1) || (maxdigits>255)) {
maxdigits = 255;
}
else
ast_verbose(VERBOSE_PREFIX_3 "Accepting a maximum of %i digits.\n", maxdigits);
}
if (!strlen(tmp)) {
ast_log(LOG_WARNING, "Read requires an variable name\n");
return -1;
@@ -66,7 +82,7 @@ static int read_exec(struct ast_channel *chan, void *data)
}
if (!res) {
ast_stopstream(chan);
res = ast_app_getdata(chan, filename, tmp2, sizeof(tmp2) - 1, 0);
res = ast_app_getdata(chan, filename, tmp2, maxdigits, 0);
if (!res)
pbx_builtin_setvar_helper(chan, tmp, tmp2);
ast_verbose(VERBOSE_PREFIX_3 "User entered '%s'\n", tmp2);