void prependattributes(buffer *b, char *attributes)
{
char recipetag[RECIPETAG_STRMAX];
char *rt;
char envvarname[VARNAMEMAX];
char *att;
strcpy(recipetag, "<recipe ");
rt = recipetag + 8;
att = attributes;
while (*att != '\0' && rt < &recipetag[RECIPETAG_STRMAX-1])
{
if ( *att == '$' )
{
int e;
char *v;
/* insert the value of an environent variable */
att++;
e = 0;
do {
envvarname[e++] = *att;
att++;
} while ( e < (VARNAMEMAX-1) && (isalnum(*att) || *att == '_'));
envvarname[e] = '\0';
/* DEBUG(("envvarname: %s\n", envvarname));*/
v = talon_getenv(envvarname);
if (v)
{
/* DEBUG((" value: %s\n", v)); */
char *oldv=v;
while (*v != '\0' && rt < &recipetag[RECIPETAG_STRMAX-1])
{
*rt = *v;
rt++;
v++;
}
free(oldv);
}
} else {
*rt = *att;
rt++;
att++;
}
}
char *finish = ">\n<![CDATA[\n";
while (*finish != '\0' && rt < &recipetag[RECIPETAG_STRMAX-1])
{
*rt = *finish;
*rt++;
finish++;
}
*rt = '\0';
buffer_prepend(b, recipetag, strlen(recipetag));
}
/**
* call-seq:
* Rev::Buffer#prepend(data) -> String
*
* Prepend the given data to the beginning of the buffer
*/
static VALUE Rev_Buffer_prepend(VALUE self, VALUE data)
{
struct buffer *buf;
Data_Get_Struct(self, struct buffer, buf);
data = rb_convert_type(data, T_STRING, "String", "to_str");
buffer_prepend(buf, RSTRING_PTR(data), RSTRING_LEN(data));
return data;
}
int main(int argc, char *argv[])
{
char *shell = getenv("TALON_SHELL");
char **args = malloc((argc+2)*sizeof(char *));
int i;
proc *p;
for (i=1; i < argc; i++)
{
args[i] = argv[i];
printf("arg: %s\n", args[i]);
}
args[argc] = NULL;
if (! shell)
{
fprintf(stderr, "error: %s", "TALONSHELL not set in environment\n");
return 1;
}
args[0] = shell;
p = process_run(shell, args, 4000);
if (p)
{
buffer_prepend(p->output, "<recipe>\n<!CDATA<[[\n", 20);
buffer_append(p->output, "\n]]></recipe>\n", 13);
unsigned int iterator = 0;
byteblock *bb;
while ((bb = buffer_getbytes(p->output, &iterator)))
{
write(STDOUT_FILENO, &bb->byte0, bb->fill);
}
process_free(&p);
} else {
fprintf(stderr, "error: %s", "failed to run process\n");
return 1;
}
free(args);
return 0;
}
