diff options
| -rw-r--r-- | builtin/commit.c | 89 | ||||
| -rw-r--r-- | cache.h | 4 | ||||
| -rw-r--r-- | commit.c | 44 | ||||
| -rw-r--r-- | commit.h | 11 | ||||
| -rw-r--r-- | date.c | 13 | ||||
| -rw-r--r-- | fast-import.c | 20 | ||||
| -rw-r--r-- | ident.c | 26 | ||||
| -rw-r--r-- | pretty.c | 33 | ||||
| -rw-r--r-- | test-date.c | 10 |
9 files changed, 130 insertions, 120 deletions
diff --git a/builtin/commit.c b/builtin/commit.c index 41f481b..4a45bed 100644 --- a/builtin/commit.c +++ b/builtin/commit.c @@ -545,77 +545,80 @@ static int sane_ident_split(struct ident_split *person) return 1; } -static int parse_force_date(const char *in, char *out, int len) +static int parse_force_date(const char *in, struct strbuf *out) { - if (len < 1) - return -1; - *out++ = '@'; - len--; + strbuf_addch(out, '@'); - if (parse_date(in, out, len) < 0) { + if (parse_date(in, out) < 0) { int errors = 0; unsigned long t = approxidate_careful(in, &errors); if (errors) return -1; - snprintf(out, len, "%lu", t); + strbuf_addf(out, "%lu", t); } return 0; } +static void set_ident_var(char **buf, char *val) +{ + free(*buf); + *buf = val; +} + +static char *envdup(const char *var) +{ + const char *val = getenv(var); + return val ? xstrdup(val) : NULL; +} + static void determine_author_info(struct strbuf *author_ident) { char *name, *email, *date; struct ident_split author; - char date_buf[64]; - name = getenv("GIT_AUTHOR_NAME"); - email = getenv("GIT_AUTHOR_EMAIL"); - date = getenv("GIT_AUTHOR_DATE"); + name = envdup("GIT_AUTHOR_NAME"); + email = envdup("GIT_AUTHOR_EMAIL"); + date = envdup("GIT_AUTHOR_DATE"); if (author_message) { - const char *a, *lb, *rb, *eol; + struct ident_split ident; size_t len; + const char *a; - a = strstr(author_message_buffer, "\nauthor "); + a = find_commit_header(author_message_buffer, "author", &len); if (!a) - die(_("invalid commit: %s"), author_message); - - lb = strchrnul(a + strlen("\nauthor "), '<'); - rb = strchrnul(lb, '>'); - eol = strchrnul(rb, '\n'); - if (!*lb || !*rb || !*eol) - die(_("invalid commit: %s"), author_message); - - if (lb == a + strlen("\nauthor ")) - /* \nauthor <foo@example.com> */ - name = xcalloc(1, 1); - else - name = xmemdupz(a + strlen("\nauthor "), - (lb - strlen(" ") - - (a + strlen("\nauthor ")))); - email = xmemdupz(lb + strlen("<"), rb - (lb + strlen("<"))); - len = eol - (rb + strlen("> ")); - date = xmalloc(len + 2); - *date = '@'; - memcpy(date + 1, rb + strlen("> "), len); - date[len + 1] = '\0'; + die(_("commit '%s' lacks author header"), author_message); + if (split_ident_line(&ident, a, len) < 0) + die(_("commit '%s' has malformed author line"), author_message); + + set_ident_var(&name, xmemdupz(ident.name_begin, ident.name_end - ident.name_begin)); + set_ident_var(&email, xmemdupz(ident.mail_begin, ident.mail_end - ident.mail_begin)); + + if (ident.date_begin) { + struct strbuf date_buf = STRBUF_INIT; + strbuf_addch(&date_buf, '@'); + strbuf_add(&date_buf, ident.date_begin, ident.date_end - ident.date_begin); + strbuf_addch(&date_buf, ' '); + strbuf_add(&date_buf, ident.tz_begin, ident.tz_end - ident.tz_begin); + set_ident_var(&date, strbuf_detach(&date_buf, NULL)); + } } if (force_author) { - const char *lb = strstr(force_author, " <"); - const char *rb = strchr(force_author, '>'); + struct ident_split ident; - if (!lb || !rb) + if (split_ident_line(&ident, force_author, strlen(force_author)) < 0) die(_("malformed --author parameter")); - name = xstrndup(force_author, lb - force_author); - email = xstrndup(lb + 2, rb - (lb + 2)); + set_ident_var(&name, xmemdupz(ident.name_begin, ident.name_end - ident.name_begin)); + set_ident_var(&email, xmemdupz(ident.mail_begin, ident.mail_end - ident.mail_begin)); } if (force_date) { - if (parse_force_date(force_date, date_buf, sizeof(date_buf))) + struct strbuf date_buf = STRBUF_INIT; + if (parse_force_date(force_date, &date_buf)) die(_("invalid date format: %s"), force_date); - date = date_buf; + set_ident_var(&date, strbuf_detach(&date_buf, NULL)); } strbuf_addstr(author_ident, fmt_ident(name, email, date, IDENT_STRICT)); @@ -625,6 +628,10 @@ static void determine_author_info(struct strbuf *author_ident) export_one("GIT_AUTHOR_EMAIL", author.mail_begin, author.mail_end, 0); export_one("GIT_AUTHOR_DATE", author.date_begin, author.tz_end, '@'); } + + free(name); + free(email); + free(date); } static void split_ident_or_die(struct ident_split *id, const struct strbuf *buf) @@ -1047,10 +1047,10 @@ enum date_mode { const char *show_date(unsigned long time, int timezone, enum date_mode mode); void show_date_relative(unsigned long time, int tz, const struct timeval *now, struct strbuf *timebuf); -int parse_date(const char *date, char *buf, int bufsize); +int parse_date(const char *date, struct strbuf *out); int parse_date_basic(const char *date, unsigned long *timestamp, int *offset); int parse_expiry_date(const char *date, unsigned long *timestamp); -void datestamp(char *buf, int bufsize); +void datestamp(struct strbuf *out); #define approxidate(s) approxidate_careful((s), NULL) unsigned long approxidate_careful(const char *, int *); unsigned long approxidate_relative(const char *date, const struct timeval *now); @@ -584,25 +584,19 @@ define_commit_slab(author_date_slab, unsigned long); static void record_author_date(struct author_date_slab *author_date, struct commit *commit) { - const char *buf, *line_end, *ident_line; const char *buffer = get_commit_buffer(commit, NULL); struct ident_split ident; + const char *ident_line; + size_t ident_len; char *date_end; unsigned long date; - for (buf = buffer; buf; buf = line_end + 1) { - line_end = strchrnul(buf, '\n'); - if (!skip_prefix(buf, "author ", &ident_line)) { - if (!line_end[0] || line_end[1] == '\n') - return; /* end of header */ - continue; - } - if (split_ident_line(&ident, - ident_line, line_end - ident_line) || - !ident.date_begin || !ident.date_end) - goto fail_exit; /* malformed "author" line */ - break; - } + ident_line = find_commit_header(buffer, "author", &ident_len); + if (!ident_line) + goto fail_exit; /* no author line */ + if (split_ident_line(&ident, ident_line, ident_len) || + !ident.date_begin || !ident.date_end) + goto fail_exit; /* malformed "author" line */ date = strtoul(ident.date_begin, &date_end, 10); if (date_end != ident.date_end) @@ -1660,3 +1654,25 @@ void print_commit_list(struct commit_list *list, printf(format, sha1_to_hex(list->item->object.sha1)); } } + +const char *find_commit_header(const char *msg, const char *key, size_t *out_len) +{ + int key_len = strlen(key); + const char *line = msg; + + while (line) { + const char *eol = strchrnul(line, '\n'); + + if (line == eol) + return NULL; + + if (eol - line > key_len && + !strncmp(line, key, key_len) && + line[key_len] == ' ') { + *out_len = eol - line - key_len - 1; + return line + key_len + 1; + } + line = *eol ? eol + 1 : NULL; + } + return NULL; +} @@ -326,6 +326,17 @@ extern struct commit_extra_header *read_commit_extra_headers(struct commit *, co extern void free_commit_extra_headers(struct commit_extra_header *extra); +/* + * Search the commit object contents given by "msg" for the header "key". + * Returns a pointer to the start of the header contents, or NULL. The length + * of the header, up to the first newline, is returned via out_len. + * + * Note that some headers (like mergetag) may be multi-line. It is the caller's + * responsibility to parse further in this case! + */ +extern const char *find_commit_header(const char *msg, const char *key, + size_t *out_len); + typedef void (*each_mergetag_fn)(struct commit *commit, struct commit_extra_header *extra, void *cb_data); @@ -614,7 +614,7 @@ static int match_tz(const char *date, int *offp) return end - date; } -static int date_string(unsigned long date, int offset, char *buf, int len) +static void date_string(unsigned long date, int offset, struct strbuf *buf) { int sign = '+'; @@ -622,7 +622,7 @@ static int date_string(unsigned long date, int offset, char *buf, int len) offset = -offset; sign = '-'; } - return snprintf(buf, len, "%lu %c%02d%02d", date, sign, offset / 60, offset % 60); + strbuf_addf(buf, "%lu %c%02d%02d", date, sign, offset / 60, offset % 60); } /* @@ -744,13 +744,14 @@ int parse_expiry_date(const char *date, unsigned long *timestamp) return errors; } -int parse_date(const char *date, char *result, int maxlen) +int parse_date(const char *date, struct strbuf *result) { unsigned long timestamp; int offset; if (parse_date_basic(date, ×tamp, &offset)) return -1; - return date_string(timestamp, offset, result, maxlen); + date_string(timestamp, offset, result); + return 0; } enum date_mode parse_date_format(const char *format) @@ -778,7 +779,7 @@ enum date_mode parse_date_format(const char *format) die("unknown date format %s", format); } -void datestamp(char *buf, int bufsize) +void datestamp(struct strbuf *out) { time_t now; int offset; @@ -788,7 +789,7 @@ void datestamp(char *buf, int bufsize) offset = tm_to_time_t(localtime(&now)) - now; offset /= 60; - date_string(now, offset, buf, bufsize); + date_string(now, offset, out); } /* diff --git a/fast-import.c b/fast-import.c index c071253..9e6134d 100644 --- a/fast-import.c +++ b/fast-import.c @@ -1996,7 +1996,7 @@ static int parse_data(struct strbuf *sb, uintmax_t limit, uintmax_t *len_res) return 1; } -static int validate_raw_date(const char *src, char *result, int maxlen) +static int validate_raw_date(const char *src, struct strbuf *result) { const char *orig_src = src; char *endp; @@ -2014,11 +2014,10 @@ static int validate_raw_date(const char *src, char *result, int maxlen) return -1; num = strtoul(src + 1, &endp, 10); - if (errno || endp == src + 1 || *endp || (endp - orig_src) >= maxlen || - 1400 < num) + if (errno || endp == src + 1 || *endp || 1400 < num) return -1; - strcpy(result, orig_src); + strbuf_addstr(result, orig_src); return 0; } @@ -2026,7 +2025,7 @@ static char *parse_ident(const char *buf) { const char *ltgt; size_t name_len; - char *ident; + struct strbuf ident = STRBUF_INIT; /* ensure there is a space delimiter even if there is no name */ if (*buf == '<') @@ -2045,26 +2044,25 @@ static char *parse_ident(const char *buf) die("Missing space after > in ident string: %s", buf); ltgt++; name_len = ltgt - buf; - ident = xmalloc(name_len + 24); - strncpy(ident, buf, name_len); + strbuf_add(&ident, buf, name_len); switch (whenspec) { case WHENSPEC_RAW: - if (validate_raw_date(ltgt, ident + name_len, 24) < 0) + if (validate_raw_date(ltgt, &ident) < 0) die("Invalid raw date \"%s\" in ident: %s", ltgt, buf); break; case WHENSPEC_RFC2822: - if (parse_date(ltgt, ident + name_len, 24) < 0) + if (parse_date(ltgt, &ident) < 0) die("Invalid rfc2822 date \"%s\" in ident: %s", ltgt, buf); break; case WHENSPEC_NOW: if (strcmp("now", ltgt)) die("Date in ident must be 'now': %s", buf); - datestamp(ident + name_len, 24); + datestamp(&ident); break; } - return ident; + return strbuf_detach(&ident, NULL); } static void parse_and_store_blob( @@ -9,7 +9,7 @@ static struct strbuf git_default_name = STRBUF_INIT; static struct strbuf git_default_email = STRBUF_INIT; -static char git_default_date[50]; +static struct strbuf git_default_date = STRBUF_INIT; #define IDENT_NAME_GIVEN 01 #define IDENT_MAIL_GIVEN 02 @@ -129,9 +129,9 @@ const char *ident_default_email(void) static const char *ident_default_date(void) { - if (!git_default_date[0]) - datestamp(git_default_date, sizeof(git_default_date)); - return git_default_date; + if (!git_default_date.len) + datestamp(&git_default_date); + return git_default_date.buf; } static int crud(unsigned char c) @@ -292,7 +292,6 @@ const char *fmt_ident(const char *name, const char *email, const char *date_str, int flag) { static struct strbuf ident = STRBUF_INIT; - char date[50]; int strict = (flag & IDENT_STRICT); int want_date = !(flag & IDENT_NO_DATE); int want_name = !(flag & IDENT_NO_NAME); @@ -320,15 +319,6 @@ const char *fmt_ident(const char *name, const char *email, die("unable to auto-detect email address (got '%s')", email); } - if (want_date) { - if (date_str && date_str[0]) { - if (parse_date(date_str, date, sizeof(date)) < 0) - die("invalid date format: %s", date_str); - } - else - strcpy(date, ident_default_date()); - } - strbuf_reset(&ident); if (want_name) { strbuf_addstr_without_crud(&ident, name); @@ -339,8 +329,14 @@ const char *fmt_ident(const char *name, const char *email, strbuf_addch(&ident, '>'); if (want_date) { strbuf_addch(&ident, ' '); - strbuf_addstr_without_crud(&ident, date); + if (date_str && date_str[0]) { + if (parse_date(date_str, &ident) < 0) + die("invalid date format: %s", date_str); + } + else + strbuf_addstr(&ident, ident_default_date()); } + return ident.buf; } @@ -554,31 +554,11 @@ static void add_merge_info(const struct pretty_print_context *pp, strbuf_addch(sb, '\n'); } -static char *get_header(const struct commit *commit, const char *msg, - const char *key) +static char *get_header(const char *msg, const char *key) { - int key_len = strlen(key); - const char *line = msg; - - while (line) { - const char *eol = strchrnul(line, '\n'), *next; - - if (line == eol) - return NULL; - if (!*eol) { - warning("malformed commit (header is missing newline): %s", - sha1_to_hex(commit->object.sha1)); - next = NULL; - } else - next = eol + 1; - if (eol - line > key_len && - !strncmp(line, key, key_len) && - line[key_len] == ' ') { - return xmemdupz(line + key_len + 1, eol - line - key_len - 1); - } - line = next; - } - return NULL; + size_t len; + const char *v = find_commit_header(msg, key, &len); + return v ? xmemdupz(v, len) : NULL; } static char *replace_encoding_header(char *buf, const char *encoding) @@ -624,11 +604,10 @@ const char *logmsg_reencode(const struct commit *commit, if (!output_encoding || !*output_encoding) { if (commit_encoding) - *commit_encoding = - get_header(commit, msg, "encoding"); + *commit_encoding = get_header(msg, "encoding"); return msg; } - encoding = get_header(commit, msg, "encoding"); + encoding = get_header(msg, "encoding"); if (commit_encoding) *commit_encoding = encoding; use_encoding = encoding ? encoding : utf8; diff --git a/test-date.c b/test-date.c index 10afaab..94a6997 100644 --- a/test-date.c +++ b/test-date.c @@ -19,19 +19,21 @@ static void show_dates(char **argv, struct timeval *now) static void parse_dates(char **argv, struct timeval *now) { + struct strbuf result = STRBUF_INIT; + for (; *argv; argv++) { - char result[100]; unsigned long t; int tz; - result[0] = 0; - parse_date(*argv, result, sizeof(result)); - if (sscanf(result, "%lu %d", &t, &tz) == 2) + strbuf_reset(&result); + parse_date(*argv, &result); + if (sscanf(result.buf, "%lu %d", &t, &tz) == 2) printf("%s -> %s\n", *argv, show_date(t, tz, DATE_ISO8601)); else printf("%s -> bad\n", *argv); } + strbuf_release(&result); } static void parse_approxidate(char **argv, struct timeval *now) |