Author: anthm Date: Sat Apr 21 10:17:43 2007 New Revision: 4995 Modified: freeswitch/trunk/src/switch_channel.c Log: add backslash escape char in channel variable expansion Modified: freeswitch/trunk/src/switch_channel.c ============================================================================== --- freeswitch/trunk/src/switch_channel.c (original) +++ freeswitch/trunk/src/switch_channel.c Sat Apr 21 10:17:43 2007 @@ -1225,6 +1225,7 @@ char *data, *indup; size_t sp = 0, len = 0, olen = 0, vtype = 0, br = 0, cpos, block = 128; char *sub_val = NULL, *func_val = NULL; + int nv = 0; if (!in || !strchr(in, '$')) { return in; @@ -1239,13 +1240,27 @@ for (p = indup; *p; p++) { vtype = 0; - if (*p == '$') { + if (*p == '\\') { + if (*(p + 1) == '$') { + nv = 1; + } + p++; + } + + if (*p == '$' && !nv) { vtype = 1; if (*(p + 1) != '{') { vtype = 2; } } + if (nv) { + *c++ = *p; + len++; + nv = 0; + continue; + } + if (vtype) { char *s = p, *e, *vname, *vval = NULL; size_t nlen;