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Diffstat (limited to 'color.c')
-rw-r--r--color.c59
1 files changed, 49 insertions, 10 deletions
diff --git a/color.c b/color.c
index fc0b72ad59..db4dccfb77 100644
--- a/color.c
+++ b/color.c
@@ -41,29 +41,40 @@ static int parse_attr(const char *name, int len)
void color_parse(const char *value, const char *var, char *dst)
{
+ color_parse_mem(value, strlen(value), var, dst);
+}
+
+void color_parse_mem(const char *value, int value_len, const char *var,
+ char *dst)
+{
const char *ptr = value;
+ int len = value_len;
int attr = -1;
int fg = -2;
int bg = -2;
- if (!strcasecmp(value, "reset")) {
+ if (!strncasecmp(value, "reset", len)) {
strcpy(dst, "\033[m");
return;
}
/* [fg [bg]] [attr] */
- while (*ptr) {
+ while (len > 0) {
const char *word = ptr;
- int val, len = 0;
+ int val, wordlen = 0;
- while (word[len] && !isspace(word[len]))
- len++;
+ while (len > 0 && !isspace(word[wordlen])) {
+ wordlen++;
+ len--;
+ }
- ptr = word + len;
- while (*ptr && isspace(*ptr))
+ ptr = word + wordlen;
+ while (len > 0 && isspace(*ptr)) {
ptr++;
+ len--;
+ }
- val = parse_color(word, len);
+ val = parse_color(word, wordlen);
if (val >= -1) {
if (fg == -2) {
fg = val;
@@ -75,7 +86,7 @@ void color_parse(const char *value, const char *var, char *dst)
}
goto bad;
}
- val = parse_attr(word, len);
+ val = parse_attr(word, wordlen);
if (val < 0 || attr != -1)
goto bad;
attr = val;
@@ -115,7 +126,7 @@ void color_parse(const char *value, const char *var, char *dst)
*dst = 0;
return;
bad:
- die("bad config value '%s' for variable '%s'", value, var);
+ die("bad color value '%.*s' for variable '%s'", value_len, value, var);
}
int git_config_colorbool(const char *var, const char *value, int stdout_is_tty)
@@ -191,3 +202,31 @@ int color_fprintf_ln(FILE *fp, const char *color, const char *fmt, ...)
va_end(args);
return r;
}
+
+/*
+ * This function splits the buffer by newlines and colors the lines individually.
+ *
+ * Returns 0 on success.
+ */
+int color_fwrite_lines(FILE *fp, const char *color,
+ size_t count, const char *buf)
+{
+ if (!*color)
+ return fwrite(buf, count, 1, fp) != 1;
+ while (count) {
+ char *p = memchr(buf, '\n', count);
+ if (p != buf && (fputs(color, fp) < 0 ||
+ fwrite(buf, p ? p - buf : count, 1, fp) != 1 ||
+ fputs(COLOR_RESET, fp) < 0))
+ return -1;
+ if (!p)
+ return 0;
+ if (fputc('\n', fp) < 0)
+ return -1;
+ count -= p + 1 - buf;
+ buf = p + 1;
+ }
+ return 0;
+}
+
+