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Diffstat (limited to 'strbuf.c')
-rw-r--r--strbuf.c118
1 files changed, 100 insertions, 18 deletions
diff --git a/strbuf.c b/strbuf.c
index 323c49ceb3..f6a6cf78b9 100644
--- a/strbuf.c
+++ b/strbuf.c
@@ -1,5 +1,6 @@
#include "cache.h"
#include "refs.h"
+#include "string-list.h"
#include "utf8.h"
int starts_with(const char *str, const char *prefix)
@@ -11,6 +12,37 @@ int starts_with(const char *str, const char *prefix)
return 0;
}
+int istarts_with(const char *str, const char *prefix)
+{
+ for (; ; str++, prefix++)
+ if (!*prefix)
+ return 1;
+ else if (tolower(*str) != tolower(*prefix))
+ return 0;
+}
+
+int skip_to_optional_arg_default(const char *str, const char *prefix,
+ const char **arg, const char *def)
+{
+ const char *p;
+
+ if (!skip_prefix(str, prefix, &p))
+ return 0;
+
+ if (!*p) {
+ if (arg)
+ *arg = def;
+ return 1;
+ }
+
+ if (*p != '=')
+ return 0;
+
+ if (arg)
+ *arg = p + 1;
+ return 1;
+}
+
/*
* Used as the default ->buf value, so that people can always assume
* buf is non NULL and ->buf is NUL terminated even for a freshly
@@ -73,6 +105,7 @@ void strbuf_trim(struct strbuf *sb)
strbuf_rtrim(sb);
strbuf_ltrim(sb);
}
+
void strbuf_rtrim(struct strbuf *sb)
{
while (sb->len > 0 && isspace((unsigned char)sb->buf[sb->len - 1]))
@@ -80,6 +113,22 @@ void strbuf_rtrim(struct strbuf *sb)
sb->buf[sb->len] = '\0';
}
+void strbuf_trim_trailing_dir_sep(struct strbuf *sb)
+{
+ while (sb->len > 0 && is_dir_sep((unsigned char)sb->buf[sb->len - 1]))
+ sb->len--;
+ sb->buf[sb->len] = '\0';
+}
+
+void strbuf_trim_trailing_newline(struct strbuf *sb)
+{
+ if (sb->len > 0 && sb->buf[sb->len - 1] == '\n') {
+ if (--sb->len > 0 && sb->buf[sb->len - 1] == '\r')
+ --sb->len;
+ sb->buf[sb->len] = '\0';
+ }
+}
+
void strbuf_ltrim(struct strbuf *sb)
{
char *b = sb->buf;
@@ -94,7 +143,7 @@ void strbuf_ltrim(struct strbuf *sb)
int strbuf_reencode(struct strbuf *sb, const char *from, const char *to)
{
char *out;
- int len;
+ size_t len;
if (same_encoding(from, to))
return 0;
@@ -141,6 +190,21 @@ struct strbuf **strbuf_split_buf(const char *str, size_t slen,
return ret;
}
+void strbuf_add_separated_string_list(struct strbuf *str,
+ const char *sep,
+ struct string_list *slist)
+{
+ struct string_list_item *item;
+ int sep_needed = 0;
+
+ for_each_string_list_item(item, slist) {
+ if (sep_needed)
+ strbuf_addstr(str, sep);
+ strbuf_addstr(str, item->string);
+ sep_needed = 1;
+ }
+}
+
void strbuf_list_free(struct strbuf **sbs)
{
struct strbuf **s = sbs;
@@ -154,7 +218,7 @@ void strbuf_list_free(struct strbuf **sbs)
int strbuf_cmp(const struct strbuf *a, const struct strbuf *b)
{
- int len = a->len < b->len ? a->len: b->len;
+ size_t len = a->len < b->len ? a->len: b->len;
int cmp = memcmp(a->buf, b->buf, len);
if (cmp)
return cmp;
@@ -279,12 +343,12 @@ 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)
- die("BUG: your vsnprintf is broken (returned %d)", len);
+ BUG("your vsnprintf is broken (returned %d)", len);
if (len > strbuf_avail(sb)) {
strbuf_grow(sb, len);
len = vsnprintf(sb->buf + sb->len, sb->alloc - sb->len, fmt, ap);
if (len > strbuf_avail(sb))
- die("BUG: your vsnprintf is broken (insatiable)");
+ BUG("your vsnprintf is broken (insatiable)");
}
strbuf_setlen(sb, sb->len + len);
}
@@ -334,7 +398,7 @@ size_t strbuf_expand_dict_cb(struct strbuf *sb, const char *placeholder,
void strbuf_addbuf_percentquote(struct strbuf *dst, const struct strbuf *src)
{
- int i, len = src->len;
+ size_t i, len = src->len;
for (i = 0; i < len; i++) {
if (src->buf[i] == '%')
@@ -386,12 +450,15 @@ ssize_t strbuf_read(struct strbuf *sb, int fd, size_t hint)
ssize_t strbuf_read_once(struct strbuf *sb, int fd, size_t hint)
{
+ size_t oldalloc = sb->alloc;
ssize_t cnt;
strbuf_grow(sb, hint ? hint : 8192);
cnt = xread(fd, sb->buf + sb->len, sb->alloc - sb->len - 1);
if (cnt > 0)
strbuf_setlen(sb, sb->len + cnt);
+ else if (oldalloc == 0)
+ strbuf_release(sb);
return cnt;
}
@@ -411,7 +478,7 @@ int strbuf_readlink(struct strbuf *sb, const char *path, size_t hint)
hint = 32;
while (hint < STRBUF_MAXLINK) {
- int len;
+ ssize_t len;
strbuf_grow(sb, hint);
len = readlink(path, sb->buf, hint);
@@ -587,14 +654,18 @@ ssize_t strbuf_read_file(struct strbuf *sb, const char *path, size_t hint)
{
int fd;
ssize_t len;
+ int saved_errno;
fd = open(path, O_RDONLY);
if (fd < 0)
return -1;
len = strbuf_read(sb, fd, hint);
+ saved_errno = errno;
close(fd);
- if (len < 0)
+ if (len < 0) {
+ errno = saved_errno;
return -1;
+ }
return len;
}
@@ -658,7 +729,7 @@ static void strbuf_add_urlencode(struct strbuf *sb, const char *s, size_t len,
(!reserved && is_rfc3986_reserved(ch)))
strbuf_addch(sb, ch);
else
- strbuf_addf(sb, "%%%02x", ch);
+ strbuf_addf(sb, "%%%02x", (unsigned char)ch);
}
}
@@ -672,18 +743,18 @@ void strbuf_humanise_bytes(struct strbuf *buf, off_t bytes)
{
if (bytes > 1 << 30) {
strbuf_addf(buf, "%u.%2.2u GiB",
- (int)(bytes >> 30),
- (int)(bytes & ((1 << 30) - 1)) / 10737419);
+ (unsigned)(bytes >> 30),
+ (unsigned)(bytes & ((1 << 30) - 1)) / 10737419);
} else if (bytes > 1 << 20) {
- int x = bytes + 5243; /* for rounding */
+ unsigned x = bytes + 5243; /* for rounding */
strbuf_addf(buf, "%u.%2.2u MiB",
x >> 20, ((x & ((1 << 20) - 1)) * 100) >> 20);
} else if (bytes > 1 << 10) {
- int x = bytes + 5; /* for rounding */
+ unsigned x = bytes + 5; /* for rounding */
strbuf_addf(buf, "%u.%2.2u KiB",
x >> 10, ((x & ((1 << 10) - 1)) * 100) >> 10);
} else {
- strbuf_addf(buf, "%u bytes", (int)bytes);
+ strbuf_addf(buf, "%u bytes", (unsigned)bytes);
}
}
@@ -756,7 +827,18 @@ char *xstrdup_tolower(const char *string)
result = xmallocz(len);
for (i = 0; i < len; i++)
result[i] = tolower(string[i]);
- result[i] = '\0';
+ return result;
+}
+
+char *xstrdup_toupper(const char *string)
+{
+ char *result;
+ size_t len, i;
+
+ len = strlen(string);
+ result = xmallocz(len);
+ for (i = 0; i < len; i++)
+ result[i] = toupper(string[i]);
return result;
}
@@ -844,12 +926,12 @@ void strbuf_addftime(struct strbuf *sb, const char *fmt, const struct tm *tm,
strbuf_setlen(sb, sb->len + len);
}
-void strbuf_add_unique_abbrev(struct strbuf *sb, const unsigned char *sha1,
+void strbuf_add_unique_abbrev(struct strbuf *sb, const struct object_id *oid,
int abbrev_len)
{
int r;
- strbuf_grow(sb, GIT_SHA1_HEXSZ + 1);
- r = find_unique_abbrev_r(sb->buf + sb->len, sha1, abbrev_len);
+ strbuf_grow(sb, GIT_MAX_HEXSZ + 1);
+ r = find_unique_abbrev_r(sb->buf + sb->len, oid, abbrev_len);
strbuf_setlen(sb, sb->len + r);
}
@@ -887,7 +969,7 @@ static size_t cleanup(char *line, size_t len)
*/
void strbuf_stripspace(struct strbuf *sb, int skip_comments)
{
- int empties = 0;
+ size_t empties = 0;
size_t i, j, len, newlen;
char *eol;