diff options
Diffstat (limited to 'strbuf.c')
| -rw-r--r-- | strbuf.c | 163 |
1 files changed, 146 insertions, 17 deletions
@@ -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 +12,15 @@ 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) { @@ -95,6 +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])) @@ -102,6 +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; @@ -116,7 +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; @@ -163,6 +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; @@ -176,7 +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; @@ -207,6 +249,42 @@ void strbuf_insert(struct strbuf *sb, size_t pos, const void *data, size_t len) strbuf_splice(sb, pos, 0, data, len); } +void strbuf_vinsertf(struct strbuf *sb, size_t pos, const char *fmt, va_list ap) +{ + int len, len2; + char save; + va_list cp; + + if (pos > sb->len) + die("`pos' is too far after the end of the buffer"); + va_copy(cp, ap); + len = vsnprintf(sb->buf + sb->len, 0, fmt, cp); + va_end(cp); + if (len < 0) + BUG("your vsnprintf is broken (returned %d)", len); + if (!len) + return; /* nothing to do */ + if (unsigned_add_overflows(sb->len, len)) + die("you want to use way too much memory"); + strbuf_grow(sb, len); + memmove(sb->buf + pos + len, sb->buf + pos, sb->len - pos); + /* vsnprintf() will append a NUL, overwriting one of our characters */ + save = sb->buf[pos + len]; + len2 = vsnprintf(sb->buf + pos, len + 1, fmt, ap); + sb->buf[pos + len] = save; + if (len2 != len) + BUG("your vsnprintf is broken (returns inconsistent lengths)"); + strbuf_setlen(sb, sb->len + len); +} + +void strbuf_insertf(struct strbuf *sb, size_t pos, const char *fmt, ...) +{ + va_list ap; + va_start(ap, fmt); + strbuf_vinsertf(sb, pos, fmt, ap); + va_end(ap); +} + void strbuf_remove(struct strbuf *sb, size_t pos, size_t len) { strbuf_splice(sb, pos, len, "", 0); @@ -226,6 +304,21 @@ void strbuf_addbuf(struct strbuf *sb, const struct strbuf *sb2) strbuf_setlen(sb, sb->len + sb2->len); } +const char *strbuf_join_argv(struct strbuf *buf, + int argc, const char **argv, char delim) +{ + if (!argc) + return buf->buf; + + strbuf_addstr(buf, *argv); + while (--argc) { + strbuf_addch(buf, delim); + strbuf_addstr(buf, *(++argv)); + } + + return buf->buf; +} + void strbuf_addchars(struct strbuf *sb, int c, size_t n) { strbuf_grow(sb, n); @@ -301,12 +394,12 @@ 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); } @@ -338,6 +431,27 @@ void strbuf_expand(struct strbuf *sb, const char *format, expand_fn_t fn, } } +size_t strbuf_expand_literal_cb(struct strbuf *sb, + const char *placeholder, + void *context) +{ + int ch; + + switch (placeholder[0]) { + case 'n': /* newline */ + strbuf_addch(sb, '\n'); + return 1; + case 'x': + /* %x00 == NUL, %x0a == LF, etc. */ + ch = hex2chr(placeholder + 1); + if (ch < 0) + return 0; + strbuf_addch(sb, ch); + return 3; + } + return 0; +} + size_t strbuf_expand_dict_cb(struct strbuf *sb, const char *placeholder, void *context) { @@ -356,7 +470,7 @@ 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] == '%') @@ -436,7 +550,7 @@ 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); @@ -612,14 +726,18 @@ 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; } @@ -697,18 +815,18 @@ 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); } } @@ -781,7 +899,18 @@ 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; } @@ -869,12 +998,12 @@ 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); } @@ -912,7 +1041,7 @@ 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; |