sfeed

Simple RSS and Atom feed parser
git clone https://git.sinitax.com/codemadness/sfeed
Log | Files | Refs | README | LICENSE | Upstream | sfeed.txt

commit e46ef96d680fe3d720a54ff1c178cce03d3a980a
parent f23af0821309e86d9d6db59796d245b6986e2cd3
Author: Hiltjo Posthuma <hiltjo@codemadness.org>
Date:   Fri,  7 Aug 2015 21:23:58 +0200

util: strtotime: stricter time parsing

as input: an empty string or non-digit characters are digits are considered an
error now. Still, for the format tools output the formatted time string as
time_t 0 on a parse error.

Diffstat:
Msfeed_frames.c | 9++++-----
Msfeed_html.c | 7++++---
Msfeed_mbox.c | 9+++++----
Msfeed_plain.c | 6++++--
Mutil.c | 5+++--
5 files changed, 20 insertions(+), 16 deletions(-)

diff --git a/sfeed_frames.c b/sfeed_frames.c @@ -105,8 +105,7 @@ static void printfeed(FILE *fpitems, FILE *fpin, struct feed *f) { char dirpath[PATH_MAX], filepath[PATH_MAX]; - char *fields[FieldLast], *feedname; - char name[128]; + char *fields[FieldLast], *feedname, name[128]; size_t namelen; struct stat st; FILE *fpcontent = NULL; @@ -177,14 +176,14 @@ printfeed(FILE *fpitems, FILE *fpin, struct feed *f) } /* set modified and access time of file to time of item. */ - r = strtotime(fields[FieldUnixTimestamp], &parsedtime); - if (r != -1) { + parsedtime = 0; + if (strtotime(fields[FieldUnixTimestamp], &parsedtime) != -1) { contenttime.actime = parsedtime; contenttime.modtime = parsedtime; utime(filepath, &contenttime); } - isnew = (r != -1 && parsedtime >= comparetime) ? 1 : 0; + isnew = (parsedtime >= comparetime) ? 1 : 0; totalnew += isnew; f->totalnew += isnew; f->total++; diff --git a/sfeed_html.c b/sfeed_html.c @@ -20,7 +20,6 @@ printfeed(FILE *fp, struct feed *f) char *fields[FieldLast]; time_t parsedtime; unsigned int islink, isnew; - int r; if (f->name[0] != '\0') { fputs("<h2 id=\"", stdout); @@ -34,8 +33,10 @@ printfeed(FILE *fp, struct feed *f) fputs("<table cellpadding=\"0\" cellspacing=\"0\">\n", stdout); while (parseline(&line, &linesize, fields, fp) > 0) { - r = strtotime(fields[FieldUnixTimestamp], &parsedtime); - isnew = (r != -1 && parsedtime >= comparetime) ? 1 : 0; + parsedtime = 0; + strtotime(fields[FieldUnixTimestamp], &parsedtime); + + isnew = (parsedtime >= comparetime) ? 1 : 0; islink = (fields[FieldLink][0] != '\0') ? 1 : 0; totalnew += isnew; diff --git a/sfeed_mbox.c b/sfeed_mbox.c @@ -81,7 +81,6 @@ printfeed(FILE *fp, const char *feedname) char *fields[FieldLast], timebuf[32], mtimebuf[32]; char host[HOST_NAME_MAX + 1], *user; time_t parsedtime; - int r; if (!(user = getenv("USER"))) user = "you"; @@ -96,11 +95,13 @@ printfeed(FILE *fp, const char *feedname) errx(1, "can't format current time"); while (parseline(&line, &linesize, fields, fp) > 0) { - if ((r = strtotime(fields[FieldUnixTimestamp], &parsedtime)) == -1 || - !gmtime_r(&parsedtime, &tm) || + parsedtime = 0; + strtotime(fields[FieldUnixTimestamp], &parsedtime); + /* can't convert: default to formatted time for time_t 0. */ + if (!gmtime_r(&parsedtime, &tm) || !strftime(timebuf, sizeof(timebuf), "%a, %d %b %Y %H:%M +0000", &tm)) - continue; /* invalid date */ + strlcpy(timebuf, "Thu, 01 Jan 1970 00:00 +0000", sizeof(timebuf)); /* mbox + mail header */ printf("From MAILER-DAEMON %s\n" diff --git a/sfeed_plain.c b/sfeed_plain.c @@ -42,8 +42,10 @@ printfeed(FILE *fp, const char *feedname) time_t parsedtime; while (parseline(&line, &size, fields, fp) > 0) { - if (strtotime(fields[FieldUnixTimestamp], &parsedtime) != -1 && - parsedtime >= comparetime) + parsedtime = 0; + strtotime(fields[FieldUnixTimestamp], &parsedtime); + + if (parsedtime >= comparetime) fputs("N ", stdout); else fputs(" ", stdout); diff --git a/util.c b/util.c @@ -188,10 +188,11 @@ int strtotime(const char *s, time_t *t) { long l; + char *e; errno = 0; - l = strtol(s, NULL, 10); - if (errno != 0) + l = strtol(s, &e, 10); + if (*s == '\0' || *e != '\0') return -1; if (t) *t = (time_t)l;