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Diffstat (limited to 'strbuf.c')
-rw-r--r--strbuf.c86
1 files changed, 60 insertions, 26 deletions
diff --git a/strbuf.c b/strbuf.c
index 4c9ac6dc5e..3d2189a7f6 100644
--- a/strbuf.c
+++ b/strbuf.c
@@ -1,6 +1,6 @@
#include "git-compat-util.h"
#include "gettext.h"
-#include "hex.h"
+#include "hex-ll.h"
#include "strbuf.h"
#include "string-list.h"
#include "utf8.h"
@@ -24,6 +24,17 @@ int istarts_with(const char *str, const char *prefix)
return 0;
}
+int starts_with_mem(const char *str, size_t len, const char *prefix)
+{
+ const char *end = str + len;
+ for (; ; str++, prefix++) {
+ if (!*prefix)
+ return 1;
+ else if (str == end || *str != *prefix)
+ return 0;
+ }
+}
+
int skip_to_optional_arg_default(const char *str, const char *prefix,
const char **arg, const char *def)
{
@@ -266,7 +277,7 @@ void strbuf_vinsertf(struct strbuf *sb, size_t pos, const char *fmt, va_list ap)
len = vsnprintf(sb->buf + sb->len, 0, fmt, cp);
va_end(cp);
if (len < 0)
- BUG("your vsnprintf is broken (returned %d)", len);
+ die(_("unable to format message: %s"), fmt);
if (!len)
return; /* nothing to do */
if (unsigned_add_overflows(sb->len, len))
@@ -302,6 +313,15 @@ void strbuf_add(struct strbuf *sb, const void *data, size_t len)
strbuf_setlen(sb, sb->len + len);
}
+void strbuf_addstrings(struct strbuf *sb, const char *s, size_t n)
+{
+ size_t len = strlen(s);
+
+ strbuf_grow(sb, st_mult(len, n));
+ for (size_t i = 0; i < n; i++)
+ strbuf_add(sb, s, len);
+}
+
void strbuf_addbuf(struct strbuf *sb, const struct strbuf *sb2)
{
strbuf_grow(sb, sb2->len);
@@ -340,18 +360,17 @@ void strbuf_addf(struct strbuf *sb, const char *fmt, ...)
}
static void add_lines(struct strbuf *out,
- const char *prefix1,
- const char *prefix2,
- const char *buf, size_t size)
+ const char *prefix,
+ const char *buf, size_t size,
+ int space_after_prefix)
{
while (size) {
- const char *prefix;
const char *next = memchr(buf, '\n', size);
next = next ? (next + 1) : (buf + size);
- prefix = ((prefix2 && (buf[0] == '\n' || buf[0] == '\t'))
- ? prefix2 : prefix1);
strbuf_addstr(out, prefix);
+ if (space_after_prefix && buf[0] != '\n' && buf[0] != '\t')
+ strbuf_addch(out, ' ');
strbuf_add(out, buf, next - buf);
size -= next - buf;
buf = next;
@@ -360,19 +379,12 @@ static void add_lines(struct strbuf *out,
}
void strbuf_add_commented_lines(struct strbuf *out, const char *buf,
- size_t size, char comment_line_char)
+ size_t size, const char *comment_prefix)
{
- static char prefix1[3];
- static char prefix2[2];
-
- if (prefix1[0] != comment_line_char) {
- xsnprintf(prefix1, sizeof(prefix1), "%c ", comment_line_char);
- xsnprintf(prefix2, sizeof(prefix2), "%c", comment_line_char);
- }
- add_lines(out, prefix1, prefix2, buf, size);
+ add_lines(out, comment_prefix, buf, size, 1);
}
-void strbuf_commented_addf(struct strbuf *sb, char comment_line_char,
+void strbuf_commented_addf(struct strbuf *sb, const char *comment_prefix,
const char *fmt, ...)
{
va_list params;
@@ -383,7 +395,7 @@ void strbuf_commented_addf(struct strbuf *sb, char comment_line_char,
strbuf_vaddf(&buf, fmt, params);
va_end(params);
- strbuf_add_commented_lines(sb, buf.buf, buf.len, comment_line_char);
+ strbuf_add_commented_lines(sb, buf.buf, buf.len, comment_prefix);
if (incomplete_line)
sb->buf[--sb->len] = '\0';
@@ -401,7 +413,7 @@ void strbuf_vaddf(struct strbuf *sb, const char *fmt, va_list ap)
len = vsnprintf(sb->buf + sb->len, sb->alloc - sb->len, fmt, cp);
va_end(cp);
if (len < 0)
- BUG("your vsnprintf is broken (returned %d)", len);
+ die(_("unable to format message: %s"), fmt);
if (len > strbuf_avail(sb)) {
strbuf_grow(sb, len);
len = vsnprintf(sb->buf + sb->len, sb->alloc - sb->len, fmt, ap);
@@ -442,6 +454,26 @@ size_t strbuf_expand_literal(struct strbuf *sb, const char *placeholder)
return 0;
}
+void strbuf_expand_bad_format(const char *format, const char *command)
+{
+ const char *end;
+
+ if (*format != '(')
+ /* TRANSLATORS: The first %s is a command like "ls-tree". */
+ die(_("bad %s format: element '%s' does not start with '('"),
+ command, format);
+
+ end = strchr(format + 1, ')');
+ if (!end)
+ /* TRANSLATORS: The first %s is a command like "ls-tree". */
+ die(_("bad %s format: element '%s' does not end in ')'"),
+ command, format);
+
+ /* TRANSLATORS: %s is a command like "ls-tree". */
+ die(_("bad %s format: %%%.*s"),
+ command, (int)(end - format + 1), format);
+}
+
void strbuf_addbuf_percentquote(struct strbuf *dst, const struct strbuf *src)
{
size_t i, len = src->len;
@@ -668,8 +700,10 @@ int strbuf_getwholeline(struct strbuf *sb, FILE *fp, int term)
int strbuf_appendwholeline(struct strbuf *sb, FILE *fp, int term)
{
struct strbuf line = STRBUF_INIT;
- if (strbuf_getwholeline(&line, fp, term))
+ if (strbuf_getwholeline(&line, fp, term)) {
+ strbuf_release(&line);
return EOF;
+ }
strbuf_addbuf(sb, &line);
strbuf_release(&line);
return 0;
@@ -750,7 +784,7 @@ ssize_t strbuf_read_file(struct strbuf *sb, const char *path, size_t hint)
void strbuf_add_lines(struct strbuf *out, const char *prefix,
const char *buf, size_t size)
{
- add_lines(out, prefix, NULL, buf, size);
+ add_lines(out, prefix, buf, size, 0);
}
void strbuf_addstr_xml_quoted(struct strbuf *buf, const char *s)
@@ -1005,10 +1039,10 @@ static size_t cleanup(char *line, size_t len)
*
* If last line does not have a newline at the end, one is added.
*
- * Pass a non-NUL comment_line_char to skip every line starting
+ * Pass a non-NULL comment_prefix to skip every line starting
* with it.
*/
-void strbuf_stripspace(struct strbuf *sb, char comment_line_char)
+void strbuf_stripspace(struct strbuf *sb, const char *comment_prefix)
{
size_t empties = 0;
size_t i, j, len, newlen;
@@ -1021,8 +1055,8 @@ void strbuf_stripspace(struct strbuf *sb, char comment_line_char)
eol = memchr(sb->buf + i, '\n', sb->len - i);
len = eol ? eol - (sb->buf + i) + 1 : sb->len - i;
- if (comment_line_char && len &&
- sb->buf[i] == comment_line_char) {
+ if (comment_prefix && len &&
+ starts_with(sb->buf + i, comment_prefix)) {
newlen = 0;
continue;
}