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Hand-build 256, 24-bit color esc strings same way

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... using snprintf() for the 256-color function in same manner as the
24-bit function.
This commit is contained in:
Aaron Gyes 2016-06-12 11:22:31 -07:00
parent 5435f60f31
commit 02375982df
1 changed files with 4 additions and 8 deletions
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12
src/output.cpp
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@ -44,8 +44,8 @@ void output_set_writer(int (*writer)(char)) {
int (*output_get_writer())(char) { return out; }
// Returns true if we think the term256 support is "native" as opposed to forced.
static bool term256_support_is_native(void) {
// Return YES if we think the term256 support is "native" as opposed to forced.
return max_colors >= 256;
}
@ -63,17 +63,13 @@ unsigned char index_for_color(rgb_color_t c) {
static bool write_color_escape(char *todo, unsigned char idx, bool is_fg) {
bool result = false;
if (idx < 16 || term256_support_is_native()) {
// Use tparm.
// Use tparm to emit color escape.
writembs(tparm(todo, idx));
result = true;
} else {
// We are attempting to bypass the term here. Generate the ANSI escape sequence ourself.
char stridx[128];
format_long_safe(stridx, idx);
char buff[128] = "\x1b[";
strcat(buff, is_fg ? "38;5;" : "48;5;");
strcat(buff, stridx);
strcat(buff, "m");
char buff[128] = "";
snprintf(buff, sizeof buff, "\x1b[%d;5;%dm", is_fg ? 38 : 48, idx);
int (*writer)(char) = output_get_writer();
if (writer) {