/* Like outstr(), but quote for re-input into the shell. */
void
outqstr(const char *p, struct output *file)
{
char ch;
int inquotes;
if (p[0] == '\0') {
outstr("''", file);
return;
}
/* Caller will handle '=' if necessary */
if (p[strcspn(p, "|&;<>()$`\\\"' \t\n*?[~#")] == '\0' ||
strcmp(p, "[") == 0) {
outstr(p, file);
return;
}
inquotes = 0;
while ((ch = *p++) != '\0') {
switch (ch) {
case '\'':
/* Can't quote single quotes inside single quotes. */
if (inquotes)
outcslow('\'', file);
inquotes = 0;
outstr("\\'", file);
break;
default:
if (!inquotes)
outcslow('\'', file);
inquotes = 1;
outc(ch, file);
}
}
if (inquotes)
outcslow('\'', file);
}
static void
exvwarning2(const char *msg, va_list ap)
{
struct output *errs;
const char *name;
const char *fmt;
errs = out2;
name = arg0 ?: "sh";
fmt = "%s: ";
if (commandname) {
name = commandname;
fmt = "%s: %d: ";
}
outfmt(errs, fmt, name, startlinno);
doformat(errs, msg, ap);
#if FLUSHERR
outc('\n', errs);
#else
outcslow('\n', errs);
#endif
}