static FILE *
extract_outfile_gen(char **outname_ptr, int w, int h, int bc, int i)
{
char *inname = *outname_ptr;
if (output == NULL || is_directory(output)) {
StrBuf *outname;
char *inbase;
outname = strbuf_new();
if (output != NULL) {
strbuf_append(outname, output);
if (!ends_with(output, "/"))
strbuf_append(outname, "/");
}
inbase = strrchr(inname, '/');
inbase = (inbase == NULL ? inname : inbase+1);
if (ends_with_nocase(inbase, ".ico") || ends_with_nocase(inbase, ".cur")) {
strbuf_append_substring(outname, inbase, 0, strlen(inbase)-4);
} else {
strbuf_append(outname, inbase);
}
strbuf_appendf(outname, "_%d_%dx%dx%d.png", i, w, h, bc);
*outname_ptr = strbuf_free_to_string(outname);
return fopen(*outname_ptr, "wb");
}
else if (strcmp(output, "-") == 0) {
*outname_ptr = xstrdup(_("(standard out)"));
return stdout;
}
*outname_ptr = xstrdup(output);
return fopen(output, "wb");
}
static bool
expand_variable(StrBuf *buf, const char *in, uint32_t len, MatchState *ms, uint32_t subc, SubmatchSpec *subv)
{
if (len == 1 && in[0] == '`') {
strbuf_append_substring(buf, strbuf_buffer(ms->top->buffer), ms->subv[0].so, subv[0].so);
} else if (len == 1 && in[0] == '&') {
strbuf_append_substring(buf, strbuf_buffer(ms->top->buffer), subv[0].so, subv[0].eo);
} else if (len == 1 && in[0] == '\'') {
strbuf_append_substring(buf, strbuf_buffer(ms->top->buffer), subv[0].eo, ms->subv[0].eo);
} else {
uint32_t idx = 0;
int c;
for (c = 0; c < len; c++) {
if (!isdigit(in[c]))
return false;
idx = idx*10 + (in[c]-'0');
}
if (idx < 0 || idx >= subc)
return true;
strbuf_append_substring(buf, strbuf_buffer(ms->top->buffer), subv[idx].so, subv[idx].eo);
}
return true;
}
