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Show First 20 Lines • Show All 622 Lines • ▼ Show 20 Lines	mparse_readfd(struct mparse curp, int fd, const char filename)
curp->line = save_lineno;		curp->line = save_lineno;
if (save_filename != NULL)		if (save_filename != NULL)
mandoc_msg_setinfilename(save_filename);		mandoc_msg_setinfilename(save_filename);
}		}

int		int
mparse_open(struct mparse curp, const char file)		mparse_open(struct mparse curp, const char file)
{		{
char *cp;		const char *cp;
int fd, save_errno;		int fd, save_errno;

cp = strrchr(file, '.');		cp = strrchr(file, '.');
curp->gzip = (cp != NULL && ! strcmp(cp + 1, "gz"));		curp->gzip = (cp != NULL && ! strcmp(cp + 1, "gz"));

/* First try to use the filename as it is. */		/* First try to use the filename as it is. */

if ((fd = open(file, O_RDONLY)) != -1)		if ((fd = open(file, O_RDONLY)) != -1)
return fd;		return fd;

/*		/*
* If that doesn't work and the filename doesn't		* If that doesn't work and the filename doesn't
* already end in .gz, try appending .gz.		* already end in .gz, try appending .gz.
*/		*/

if ( ! curp->gzip) {		if ( ! curp->gzip) {
		char *fn;

save_errno = errno;		save_errno = errno;
mandoc_asprintf(&cp, "%s.gz", file);		mandoc_asprintf(&fn, "%s.gz", file);
fd = open(cp, O_RDONLY);		fd = open(fn, O_RDONLY);
free(cp);		free(fn);
errno = save_errno;		errno = save_errno;
if (fd != -1) {		if (fd != -1) {
curp->gzip = 1;		curp->gzip = 1;
return fd;		return fd;
}		}
}		}

/* Neither worked, give up. */		/* Neither worked, give up. */
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