Using colors from the 256-color set is a bit annoying at times because
tmux only accepts the British spelling "colour123" where xterm uses
"color123" and Emacs (which has the very useful M-x list-colors-display)
uses "color-123".
To make customization less frustrating, accept all variants as input
while still using the original spelling for output (used in
show-options).
(Nicholas, please reindent the local variables as necessary.)
diff --git a/colour.c b/colour.c
index da1cb42..f207986 100644
--- a/colour.c
+++ b/colour.c
@@ -39,6 +39,11 @@ struct colour_rgb {
/* 256 colour RGB table, generated on first use. */
struct colour_rgb *colour_rgb_256;
+/* Alternative spellings. */
+const char *colour_spellings[] = {
+ "colour-", "colour", "color-", "color", NULL
+};
+
void colour_rgb_generate256(void);
u_int colour_rgb_distance(struct colour_rgb *, struct colour_rgb *);
int colour_rgb_find(struct colour_rgb *);
@@ -198,6 +203,7 @@ colour_fromstring(const char *s)
const char *cp;
struct colour_rgb rgb;
int n;
+ const char **sp;
if (*s == '#' && strlen(s) == 7) {
for (cp = s + 1; isxdigit((u_char) *cp); cp++)
@@ -210,11 +216,13 @@ colour_fromstring(const char *s)
return (colour_rgb_find(&rgb) | 0x100);
}
- if (strncasecmp(s, "colour", (sizeof "colour") - 1) == 0) {
- n = strtonum(s + (sizeof "colour") - 1, 0, 255, &errstr);
- if (errstr != NULL)
- return (-1);
- return (n | 0x100);
+ for (sp = colour_spellings; *sp != NULL; sp++) {
+ if (strncasecmp(s, *sp, strlen(*sp)) == 0) {
+ n = strtonum(s + strlen(*sp), 0, 255, &errstr);
+ if (errstr != NULL)
+ return (-1);
+ return (n | 0x100);
+ }
}
if (strcasecmp(s, "black") == 0 || (s[0] == '0' && s[1] == '\0'))
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