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-rw-r--r--mdocml.c111
1 files changed, 50 insertions, 61 deletions
diff --git a/mdocml.c b/mdocml.c
index 1b4d6ea1..2620a31e 100644
--- a/mdocml.c
+++ b/mdocml.c
@@ -30,20 +30,23 @@
#include "libmdocml.h"
-struct md_file {
+#define BUFFER_IN_DEF BUFSIZ
+#define BUFFER_OUT_DEF BUFSIZ
+#define BUFFER_LINE BUFSIZ
+
+struct md_rbuf {
int fd;
const char *name;
-};
-
-struct md_buf {
- struct md_file *file;
char *buf;
size_t bufsz;
size_t line;
};
struct md_mbuf {
- struct md_buf *buf;
+ int fd;
+ const char *name;
+ char *buf;
+ size_t bufsz;
size_t pos;
};
@@ -51,12 +54,12 @@ static void usage(void);
static int md_begin(const char *, const char *);
static int md_begin_io(const char *, const char *);
-static int md_begin_bufs(struct md_file *, struct md_file *);
-static int md_run(struct md_buf *, struct md_buf *);
-static int md_line(struct md_mbuf *, const struct md_buf *,
+static int md_begin_bufs(struct md_mbuf *, struct md_rbuf *);
+static int md_run(struct md_mbuf *, struct md_rbuf *);
+static int md_line(struct md_mbuf *, const struct md_rbuf *,
const char *, size_t);
-static ssize_t md_buf_fill(struct md_buf *);
+static ssize_t md_buf_fill(struct md_rbuf *);
static int md_buf_flush(struct md_mbuf *);
static int md_buf_putchar(struct md_mbuf *, char);
@@ -122,7 +125,8 @@ static int
md_begin_io(const char *out, const char *in)
{
int c;
- struct md_file fin, fout;
+ struct md_rbuf fin;
+ struct md_mbuf fout;
assert(out);
assert(in);
@@ -162,85 +166,73 @@ md_begin_io(const char *out, const char *in)
static int
-md_begin_bufs(struct md_file *out, struct md_file *in)
+md_begin_bufs(struct md_mbuf *out, struct md_rbuf *in)
{
struct stat stin, stout;
- struct md_buf inbuf, outbuf;
int c;
assert(in);
assert(out);
if (-1 == fstat(in->fd, &stin)) {
- warn("fstat: %s", in->name);
+ warn("%s", in->name);
return(1);
} else if (-1 == fstat(out->fd, &stout)) {
- warn("fstat: %s", out->name);
+ warn("%s", out->name);
return(1);
}
- inbuf.file = in;
- inbuf.line = 1;
- /*inbuf.bufsz = MAX(stin.st_blksize, BUFSIZ);*/
- inbuf.bufsz = 256;
+ in->bufsz = MAX(stin.st_blksize, BUFFER_IN_DEF);
- outbuf.file = out;
- outbuf.line = 1;
- /*outbuf.bufsz = MAX(stout.st_blksize, BUFSIZ);*/
- outbuf.bufsz = 256;
+ out->bufsz = MAX(stout.st_blksize, BUFFER_OUT_DEF);
- if (NULL == (inbuf.buf = malloc(inbuf.bufsz))) {
+ if (NULL == (in->buf = malloc(in->bufsz))) {
warn("malloc");
return(1);
- } else if (NULL == (outbuf.buf = malloc(outbuf.bufsz))) {
+ } else if (NULL == (out->buf = malloc(out->bufsz))) {
warn("malloc");
- free(inbuf.buf);
+ free(in->buf);
return(1);
}
- c = md_run(&outbuf, &inbuf);
+ c = md_run(out, in);
- free(inbuf.buf);
- free(outbuf.buf);
+ free(in->buf);
+ free(out->buf);
return(c);
}
static ssize_t
-md_buf_fill(struct md_buf *in)
+md_buf_fill(struct md_rbuf *in)
{
ssize_t ssz;
assert(in);
- assert(in->file);
assert(in->buf);
assert(in->bufsz > 0);
- assert(in->file->name);
+ assert(in->name);
- if (-1 == (ssz = read(in->file->fd, in->buf, in->bufsz)))
- warn("%s", in->file->name);
- else
- (void)printf("%s: filled %zd bytes\n",
- in->file->name, ssz);
+ if (-1 == (ssz = read(in->fd, in->buf, in->bufsz)))
+ warn("%s", in->name);
return(ssz);
}
static int
-md_run(struct md_buf *out, struct md_buf *in)
+md_run(struct md_mbuf *out, struct md_rbuf *in)
{
- struct md_mbuf mbuf;
ssize_t sz, i;
- char line[BUFSIZ];
+ char line[BUFFER_LINE];
size_t pos;
assert(in);
assert(out);
- mbuf.buf = out;
- mbuf.pos = 0;
+ out->pos = 0;
+ in->line = 1;
/* LINTED */
for (pos = 0; ; ) {
@@ -251,29 +243,29 @@ md_run(struct md_buf *out, struct md_buf *in)
for (i = 0; i < sz; i++) {
if ('\n' == in->buf[i]) {
- if (md_line(&mbuf, in, line, pos))
+ if (md_line(out, in, line, pos))
return(1);
in->line++;
pos = 0;
continue;
}
- if (pos < BUFSIZ) {
+ if (pos < BUFFER_LINE) {
/* LINTED */
line[pos++] = in->buf[i];
continue;
}
warnx("%s: line %zu too long",
- in->file->name, in->line);
+ in->name, in->line);
return(1);
}
}
- if (0 != pos && md_line(&mbuf, in, line, pos))
+ if (0 != pos && md_line(out, in, line, pos))
return(1);
- return(md_buf_flush(&mbuf) ? 0 : 1);
+ return(md_buf_flush(out) ? 0 : 1);
}
@@ -284,23 +276,18 @@ md_buf_flush(struct md_mbuf *buf)
assert(buf);
assert(buf->buf);
- assert(buf->buf->file);
- assert(buf->buf->buf);
- assert(buf->buf->file->name);
-
- (void)printf("%s: flushing %zu bytes\n",
- buf->buf->file->name, buf->pos);
+ assert(buf->name);
if (0 == buf->pos)
return(1);
- sz = write(buf->buf->file->fd, buf->buf->buf, buf->pos);
+ sz = write(buf->fd, buf->buf, buf->pos);
if (-1 == sz) {
- warn("%s", buf->buf->file->name);
+ warn("%s", buf->name);
return(0);
} else if ((size_t)sz != buf->pos) {
- warnx("%s: short write", buf->buf->file->name);
+ warnx("%s: short write", buf->name);
return(0);
}
@@ -325,9 +312,9 @@ md_buf_puts(struct md_mbuf *buf, const char *p, size_t sz)
assert(buf);
assert(buf->buf);
- while (buf->pos + sz > buf->buf->bufsz) {
- ssz = buf->buf->bufsz - buf->pos;
- (void)memcpy(buf->buf->buf + buf->pos, p, ssz);
+ while (buf->pos + sz > buf->bufsz) {
+ ssz = buf->bufsz - buf->pos;
+ (void)memcpy(buf->buf + buf->pos, p, ssz);
p += ssz;
sz -= ssz;
buf->pos += ssz;
@@ -336,17 +323,19 @@ md_buf_puts(struct md_mbuf *buf, const char *p, size_t sz)
return(0);
}
- (void)memcpy(buf->buf->buf + buf->pos, p, sz);
+ (void)memcpy(buf->buf + buf->pos, p, sz);
buf->pos += sz;
return(1);
}
static int
-md_line(struct md_mbuf *out, const struct md_buf *in,
+md_line(struct md_mbuf *out, const struct md_rbuf *in,
const char *buf, size_t sz)
{
+ /* FIXME: this is just a placeholder function. */
+
assert(buf);
assert(out);
assert(in);