3 #include "git-compat-util.h"
7 #define COLOR_RESET "\033[m"
9 static int parse_color(const char *name, int len)
11 static const char * const color_names[] = {
12 "normal", "black", "red", "green", "yellow",
13 "blue", "magenta", "cyan", "white"
17 for (i = 0; i < ARRAY_SIZE(color_names); i++) {
18 const char *str = color_names[i];
19 if (!strncasecmp(name, str, len) && !str[len])
22 i = strtol(name, &end, 10);
23 if (*name && !*end && i >= -1 && i <= 255)
28 static int parse_attr(const char *name, int len)
30 static const int attr_values[] = { 1, 2, 4, 5, 7 };
31 static const char * const attr_names[] = {
32 "bold", "dim", "ul", "blink", "reverse"
35 for (i = 0; i < ARRAY_SIZE(attr_names); i++) {
36 const char *str = attr_names[i];
37 if (!strncasecmp(name, str, len) && !str[len])
38 return attr_values[i];
43 void color_parse(const char *value, const char *var, char *dst)
45 const char *ptr = value;
50 if (!strcasecmp(value, "reset")) {
51 strcpy(dst, "\033[m");
55 /* [fg [bg]] [attr] */
57 const char *word = ptr;
60 while (word[len] && !isspace(word[len]))
64 while (*ptr && isspace(*ptr))
67 val = parse_color(word, len);
79 val = parse_attr(word, len);
80 if (val < 0 || attr != -1)
85 if (attr >= 0 || fg >= 0 || bg >= 0) {
101 dst += sprintf(dst, "38;5;%d", fg);
111 dst += sprintf(dst, "48;5;%d", bg);
119 die("bad config value '%s' for variable '%s'", value, var);
122 int git_config_colorbool(const char *var, const char *value)
126 if (!strcasecmp(value, "auto")) {
127 if (isatty(1) || (pager_in_use && pager_use_color)) {
128 char *term = getenv("TERM");
129 if (term && strcmp(term, "dumb"))
134 if (!strcasecmp(value, "never"))
136 if (!strcasecmp(value, "always"))
138 return git_config_bool(var, value);
141 static int color_vprintf(const char *color, const char *fmt,
142 va_list args, const char *trail)
147 r += printf("%s", color);
148 r += vprintf(fmt, args);
150 r += printf("%s", COLOR_RESET);
152 r += printf("%s", trail);
158 int color_printf(const char *color, const char *fmt, ...)
163 r = color_vprintf(color, fmt, args, NULL);
168 int color_printf_ln(const char *color, const char *fmt, ...)
173 r = color_vprintf(color, fmt, args, "\n");