diff options
| -rw-r--r-- | commit-tree.c | 159 | ||||
| -rw-r--r-- | rev-tree.c | 12 |
2 files changed, 165 insertions, 6 deletions
diff --git a/commit-tree.c b/commit-tree.c index ac431febe..50fe19652 100644 --- a/commit-tree.c +++ b/commit-tree.c @@ -7,6 +7,9 @@ #include <pwd.h> #include <time.h> +#include <string.h> +#include <ctype.h> +#include <time.h> #define BLOCKING (1ul << 14) #define ORIG_OFFSET (40) @@ -95,6 +98,148 @@ static void remove_special(char *p) } } +static const char *month_names[] = { + "Jan", "Feb", "Mar", "Apr", "May", "Jun", + "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" +}; + +static const char *weekday_names[] = { + "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" +}; + + +static char *skipfws(char *str) +{ + while (isspace(*str)) + str++; + return str; +} + + +/* Gr. strptime is crap for this; it doesn't have a way to require RFC2822 + (i.e. English) day/month names, and it doesn't work correctly with %z. */ +static void parse_rfc2822_date(char *date, char *result, int maxlen) +{ + struct tm tm; + char *p; + int i, offset; + time_t then; + + memset(&tm, 0, sizeof(tm)); + + /* Skip day-name */ + p = skipfws(date); + if (!isdigit(*p)) { + for (i=0; i<7; i++) { + if (!strncmp(p,weekday_names[i],3) && p[3] == ',') { + p = skipfws(p+4); + goto day; + } + } + return; + } + + /* day */ + day: + tm.tm_mday = strtoul(p, &p, 10); + + if (tm.tm_mday < 1 || tm.tm_mday > 31) + return; + + if (!isspace(*p)) + return; + + p = skipfws(p); + + /* month */ + + for (i=0; i<12; i++) { + if (!strncmp(p, month_names[i], 3) && isspace(p[3])) { + tm.tm_mon = i; + p = skipfws(p+strlen(month_names[i])); + goto year; + } + } + return; /* Error -- bad month */ + + /* year */ + year: + tm.tm_year = strtoul(p, &p, 10); + + if (!tm.tm_year && !isspace(*p)) + return; + + if (tm.tm_year > 1900) + tm.tm_year -= 1900; + + p=skipfws(p); + + /* hour */ + if (!isdigit(*p)) + return; + tm.tm_hour = strtoul(p, &p, 10); + + if (!tm.tm_hour > 23) + return; + + if (*p != ':') + return; /* Error -- bad time */ + p++; + + /* minute */ + if (!isdigit(*p)) + return; + tm.tm_min = strtoul(p, &p, 10); + + if (!tm.tm_min > 59) + return; + + if (isspace(*p)) + goto zone; + + if (*p != ':') + return; /* Error -- bad time */ + p++; + + /* second */ + if (!isdigit(*p)) + return; + tm.tm_sec = strtoul(p, &p, 10); + + if (!tm.tm_sec > 59) + return; + + if (!isspace(*p)) + return; + + zone: + p = skipfws(p); + + if (*p == '-') + offset = -60; + else if (*p == '+') + offset = 60; + else + return; + + if (!isdigit(p[1]) || !isdigit(p[2]) || !isdigit(p[3]) || !isdigit(p[4])) + return; + + i = strtoul(p+1, NULL, 10); + offset *= ((i % 100) + ((i / 100) * 60)); + + if (*(skipfws(p + 5))) + return; + + then = mktime(&tm); /* mktime appears to ignore the GMT offset, stupidly */ + if (then == -1) + return; + + then -= offset; + + snprintf(result, maxlen, "%lu %5.5s", then, p); +} + /* * Having more than two parents may be strange, but hey, there's * no conceptual reason why the file format couldn't accept multi-way @@ -114,10 +259,12 @@ int main(int argc, char **argv) unsigned char commit_sha1[20]; char *gecos, *realgecos; char *email, realemail[1000]; - char *date, *realdate; + char date[20], realdate[20]; + char *audate; char comment[1000]; struct passwd *pw; time_t now; + struct tm *tm; char *buffer; unsigned int size; @@ -142,15 +289,19 @@ int main(int argc, char **argv) realemail[len] = '@'; gethostname(realemail+len+1, sizeof(realemail)-len-1); time(&now); - realdate = ctime(&now); + tm = localtime(&now); + + strftime(realdate, sizeof(realdate), "%s %z", tm); + strcpy(date, realdate); gecos = getenv("AUTHOR_NAME") ? : realgecos; email = getenv("AUTHOR_EMAIL") ? : realemail; - date = getenv("AUTHOR_DATE") ? : realdate; + audate = getenv("AUTHOR_DATE"); + if (audate) + parse_rfc2822_date(audate, date, sizeof(date)); remove_special(gecos); remove_special(realgecos); remove_special(email); remove_special(realemail); - remove_special(date); remove_special(realdate); init_buffer(&buffer, &size); add_buffer(&buffer, &size, "tree %s\n", sha1_to_hex(tree_sha1)); diff --git a/rev-tree.c b/rev-tree.c index d3fc93c61..33caac3d0 100644 --- a/rev-tree.c +++ b/rev-tree.c @@ -1,4 +1,5 @@ #define _XOPEN_SOURCE /* glibc2 needs this */ +#define _BSD_SOURCE /* for tm.tm_gmtoff */ #include <time.h> #include <ctype.h> @@ -21,6 +22,7 @@ static unsigned long parse_time(const char *buf) char buffer[100]; struct tm tm; const char *formats[] = { + "%s", "%c", "%a %b %d %T %y", NULL @@ -30,7 +32,7 @@ static unsigned long parse_time(const char *buf) p = buffer; while (isspace(c = *buf)) buf++; - while ((c = *buf++) != '\n') + while ((c = *buf++) != '\n' && c) *p++ = c; *p++ = 0; buf = buffer; @@ -50,6 +52,8 @@ static unsigned long parse_time(const char *buf) static unsigned long parse_commit_date(const char *buf) { + unsigned long time; + if (memcmp(buf, "author", 6)) return 0; while (*buf++ != '\n') @@ -58,7 +62,11 @@ static unsigned long parse_commit_date(const char *buf) return 0; while (*buf++ != '>') /* nada */; - return parse_time(buf); + + time = strtoul(buf, NULL, 10); + if (!time) + time = parse_time(buf); + return time; } static int parse_commit(unsigned char *sha1) |