Enlightenment CVS committal
Author : tsauerbeck
Project : e17
Module : libs/embryo
Dir : e17/libs/embryo/src/lib
Modified Files:
embryo_args.c
Log Message:
added getsarg() - copies the specified argument into a string buffer. use this
instead of getarg(num, 0) if you want to retrieve all of the string
===================================================================
RCS file: /cvsroot/enlightenment/e17/libs/embryo/src/lib/embryo_args.c,v
retrieving revision 1.3
retrieving revision 1.4
diff -u -3 -r1.3 -r1.4
--- embryo_args.c 9 Dec 2004 02:46:32 -0000 1.3
+++ embryo_args.c 29 Apr 2005 14:30:59 -0000 1.4
@@ -1,5 +1,14 @@
+/*
+ * vim:ts=8:sw=3:sts=8:noexpandtab:cino=>5n-3f0^-2{2
+ */
#include "embryo_private.h"
+#define STRSET(ep, par, str) { \
+ Embryo_Cell *___cptr; \
+ if ((___cptr = embryo_data_address_get(ep, par))) { \
+ embryo_data_string_set(ep, str, ___cptr); \
+ } }
+
/* exported args api */
static Embryo_Cell
@@ -51,6 +60,41 @@
return 1;
}
+static Embryo_Cell
+_embryo_args_getsarg(Embryo_Program *ep, Embryo_Cell *params)
+{
+ Embryo_Header *hdr;
+ unsigned char *data;
+ Embryo_Cell base_cell;
+ char *s;
+ int i = 0;
+
+ /* params[1] = arg_no */
+ /* params[2] = buf */
+ /* params[3] = buflen */
+ if (params[0] != (3 * sizeof(Embryo_Cell))) return 0;
+ if (params[3] <= 0) return 0; /* buflen must be > 0 */
+ hdr = (Embryo_Header *)ep->base;
+ data = ep->base + (int)hdr->dat;
+ base_cell = *(Embryo_Cell *)(data + (int)ep->frm +
+ (((int)params[1] + 3) * sizeof(Embryo_Cell)));
+
+ s = alloca(params[3]);
+
+ while (i < params[3])
+ {
+ int offset = base_cell + (i * sizeof(Embryo_Cell));
+
+ s[i] = *(Embryo_Cell *)(data + offset);
+ if (!s[++i]) break;
+ }
+
+ s[i - 1] = 0;
+ STRSET(ep, params[2], s);
+
+ return i - 1; /* characters written minus terminator */
+}
+
/* functions used by the rest of embryo */
void
@@ -61,4 +105,5 @@
embryo_program_native_call_add(ep, "setarg", _embryo_args_setarg);
embryo_program_native_call_add(ep, "getfarg", _embryo_args_getarg);
embryo_program_native_call_add(ep, "setfarg", _embryo_args_setarg);
+ embryo_program_native_call_add(ep, "getsarg", _embryo_args_getsarg);
}
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