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-rw-r--r--main.c104
1 files changed, 57 insertions, 47 deletions
diff --git a/main.c b/main.c
index 31ed41d4..3ca4b3b9 100644
--- a/main.c
+++ b/main.c
@@ -35,10 +35,19 @@ extern int getsubopt(char **, char * const *, char **);
# endif
#endif
+struct buf {
+ char *buf;
+ size_t sz;
+};
+
+struct curparse {
+ const char *file;
+ int wflags;
#define WARN_WALL 0x03 /* All-warnings mask. */
#define WARN_WCOMPAT (1 << 0) /* Compatibility warnings. */
#define WARN_WSYNTAX (1 << 1) /* Syntax warnings. */
#define WARN_WERR (1 << 2) /* Warnings->errors. */
+};
enum outt {
OUTT_ASCII,
@@ -68,9 +77,9 @@ static int woptions(int *, char *);
static int merr(void *, int, int, const char *);
static int mwarn(void *, int, int,
enum mdoc_warn, const char *);
-static int file(char **, size_t *, char **, size_t *,
+static int file(struct buf *, struct buf *,
const char *, struct mdoc *);
-static int fdesc(char **, size_t *, char **, size_t *,
+static int fdesc(struct buf *, struct buf *,
const char *, int, struct mdoc *);
@@ -80,16 +89,18 @@ main(int argc, char *argv[])
int c, rc, fflags, wflags;
struct mdoc_cb cb;
struct mdoc *mdoc;
- char *buf, *line;
- size_t bufsz, linesz;
void *outdata;
enum outt outtype;
+ struct buf ln, blk;
out_run outrun;
out_free outfree;
+ struct curparse curp;
fflags = wflags = 0;
outtype = OUTT_ASCII;
+ bzero(&curp, sizeof(struct curparse));
+
/* LINTED */
while (-1 != (c = getopt(argc, argv, "f:VW:T:")))
switch (c) {
@@ -102,7 +113,7 @@ main(int argc, char *argv[])
return(0);
break;
case ('W'):
- if ( ! woptions(&wflags, optarg))
+ if ( ! woptions(&curp.wflags, optarg))
return(0);
break;
case ('V'):
@@ -160,18 +171,18 @@ main(int argc, char *argv[])
cb.mdoc_err = merr;
cb.mdoc_warn = mwarn;
- buf = line = NULL;
- bufsz = linesz = 0;
+ bzero(&ln, sizeof(struct buf));
+ bzero(&blk, sizeof(struct buf));
- mdoc = mdoc_alloc(&wflags, fflags, &cb);
+ mdoc = mdoc_alloc(&curp, fflags, &cb);
/*
* Loop around available files.
*/
if (NULL == *argv) {
- c = fdesc(&line, &linesz, &buf, &bufsz,
- "stdin", STDIN_FILENO, mdoc);
+ curp.file = "<stdin>";
+ c = fdesc(&blk, &ln, "stdin", STDIN_FILENO, mdoc);
rc = 0;
if (c && NULL == outrun)
rc = 1;
@@ -179,8 +190,8 @@ main(int argc, char *argv[])
rc = 1;
} else {
while (*argv) {
- c = file(&line, &linesz, &buf,
- &bufsz, *argv, mdoc);
+ curp.file = *argv;
+ c = file(&blk, &ln, *argv, mdoc);
if ( ! c)
break;
if (outrun && ! (*outrun)(outdata, mdoc))
@@ -192,10 +203,10 @@ main(int argc, char *argv[])
rc = NULL == *argv;
}
- if (buf)
- free(buf);
- if (line)
- free(line);
+ if (blk.buf)
+ free(blk.buf);
+ if (ln.buf)
+ free(ln.buf);
if (outfree)
(*outfree)(outdata);
@@ -226,7 +237,7 @@ usage(void)
static int
-file(char **ln, size_t *lnsz, char **buf, size_t *bufsz,
+file(struct buf *blk, struct buf *ln,
const char *file, struct mdoc *mdoc)
{
int fd, c;
@@ -236,7 +247,7 @@ file(char **ln, size_t *lnsz, char **buf, size_t *bufsz,
return(0);
}
- c = fdesc(ln, lnsz, buf, bufsz, file, fd, mdoc);
+ c = fdesc(blk, ln, file, fd, mdoc);
if (-1 == close(fd))
warn("%s", file);
@@ -246,17 +257,13 @@ file(char **ln, size_t *lnsz, char **buf, size_t *bufsz,
static int
-fdesc(char **lnp, size_t *lnsz, char **bufp, size_t *bufsz,
+fdesc(struct buf *blk, struct buf *ln,
const char *f, int fd, struct mdoc *mdoc)
{
size_t sz;
ssize_t ssz;
struct stat st;
int j, i, pos, lnn;
- char *ln, *buf;
-
- buf = *bufp;
- ln = *lnp;
/*
* Two buffers: ln and buf. buf is the input buffer, optimised
@@ -271,11 +278,11 @@ fdesc(char **lnp, size_t *lnsz, char **bufp, size_t *bufsz,
sz = (unsigned)BUFSIZ > st.st_blksize ?
(size_t)BUFSIZ : st.st_blksize;
- if (sz > *bufsz) {
- if (NULL == (buf = realloc(buf, sz)))
+ if (sz > blk->sz) {
+ blk->buf = realloc(blk->buf, sz);
+ if (NULL == blk->buf)
err(1, "realloc");
- *bufp = buf;
- *bufsz = sz;
+ blk->sz = sz;
}
/*
@@ -283,31 +290,30 @@ fdesc(char **lnp, size_t *lnsz, char **bufp, size_t *bufsz,
*/
for (lnn = 1, pos = 0; ; ) {
- if (-1 == (ssz = read(fd, buf, sz))) {
+ if (-1 == (ssz = read(fd, blk->buf, sz))) {
warn("%s", f);
return(0);
} else if (0 == ssz)
break;
for (i = 0; i < (int)ssz; i++) {
- if (pos >= (int)*lnsz) {
- *lnsz += 256; /* Step-size. */
- ln = realloc(ln, *lnsz);
- if (NULL == ln)
+ if (pos >= (int)ln->sz) {
+ ln->sz += 256; /* Step-size. */
+ ln->buf = realloc(ln->buf, ln->sz);
+ if (NULL == ln->buf)
err(1, "realloc");
- *lnp = ln;
}
- if ('\n' != buf[i]) {
- ln[pos++] = buf[i];
+ if ('\n' != blk->buf[i]) {
+ ln->buf[pos++] = blk->buf[i];
continue;
}
/* Check for CPP-escaped newline. */
- if (pos > 0 && '\\' == ln[pos - 1]) {
+ if (pos > 0 && '\\' == ln->buf[pos - 1]) {
for (j = pos - 1; j >= 0; j--)
- if ('\\' != ln[j])
+ if ('\\' != ln->buf[j])
break;
if ( ! ((pos - j) % 2)) {
@@ -317,8 +323,8 @@ fdesc(char **lnp, size_t *lnsz, char **bufp, size_t *bufsz,
}
}
- ln[pos] = 0;
- if ( ! mdoc_parseln(mdoc, lnn, ln))
+ ln->buf[pos] = 0;
+ if ( ! mdoc_parseln(mdoc, lnn, ln->buf))
return(0);
lnn++;
pos = 0;
@@ -430,8 +436,12 @@ woptions(int *wflags, char *arg)
static int
merr(void *arg, int line, int col, const char *msg)
{
+ struct curparse *curp;
+
+ curp = (struct curparse *)arg;
- warnx("error: %s (line %d, column %d)", msg, line, col);
+ warnx("%s:%d: error: %s (column %d)",
+ curp->file, line, msg, col);
return(0);
}
@@ -440,30 +450,30 @@ static int
mwarn(void *arg, int line, int col,
enum mdoc_warn type, const char *msg)
{
- int flags;
+ struct curparse *curp;
char *wtype;
- flags = *(int *)arg;
+ curp = (struct curparse *)arg;
wtype = NULL;
switch (type) {
case (WARN_COMPAT):
wtype = "compat";
- if (flags & WARN_WCOMPAT)
+ if (curp->wflags & WARN_WCOMPAT)
break;
return(1);
case (WARN_SYNTAX):
wtype = "syntax";
- if (flags & WARN_WSYNTAX)
+ if (curp->wflags & WARN_WSYNTAX)
break;
return(1);
}
assert(wtype);
- warnx("%s warning: %s (line %d, column %d)",
- wtype, msg, line, col);
+ warnx("%s:%d: %s warning: %s (column %d)",
+ curp->file, line, wtype, msg, col);
- if ( ! (flags & WARN_WERR))
+ if ( ! (curp->wflags & WARN_WERR))
return(1);
warnx("%s: considering warnings as errors",