diff options
Diffstat (limited to 'read.c')
| -rw-r--r-- | read.c | 35 |
1 files changed, 17 insertions, 18 deletions
@@ -1,4 +1,4 @@ -/* $Id: read.c,v 1.213 2019/06/03 19:58:02 schwarze Exp $ */ +/* $Id: read.c,v 1.214 2019/07/10 19:39:01 schwarze Exp $ */ /* * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> * Copyright (c) 2010-2019 Ingo Schwarze <schwarze@openbsd.org> @@ -431,9 +431,8 @@ read_whole_file(struct mparse *curp, int fd, struct buf *fb, int *with_mmap) int gzerrnum, retval; if (fstat(fd, &st) == -1) { - mandoc_msg(MANDOCERR_FILE, 0, 0, - "fstat: %s", strerror(errno)); - return 0; + mandoc_msg(MANDOCERR_FSTAT, 0, 0, "%s", strerror(errno)); + return -1; } /* @@ -446,13 +445,13 @@ read_whole_file(struct mparse *curp, int fd, struct buf *fb, int *with_mmap) if (curp->gzip == 0 && S_ISREG(st.st_mode)) { if (st.st_size > 0x7fffffff) { mandoc_msg(MANDOCERR_TOOLARGE, 0, 0, NULL); - return 0; + return -1; } *with_mmap = 1; fb->sz = (size_t)st.st_size; fb->buf = mmap(NULL, fb->sz, PROT_READ, MAP_SHARED, fd, 0); if (fb->buf != MAP_FAILED) - return 1; + return 0; } if (curp->gzip) { @@ -464,15 +463,15 @@ read_whole_file(struct mparse *curp, int fd, struct buf *fb, int *with_mmap) * which this function must not do. */ if ((fd = dup(fd)) == -1) { - mandoc_msg(MANDOCERR_FILE, 0, 0, - "dup: %s", strerror(errno)); - return 0; + mandoc_msg(MANDOCERR_DUP, 0, 0, + "%s", strerror(errno)); + return -1; } if ((gz = gzdopen(fd, "rb")) == NULL) { - mandoc_msg(MANDOCERR_FILE, 0, 0, - "gzdopen: %s", strerror(errno)); + mandoc_msg(MANDOCERR_GZDOPEN, 0, 0, + "%s", strerror(errno)); close(fd); - return 0; + return -1; } } else gz = NULL; @@ -484,7 +483,7 @@ read_whole_file(struct mparse *curp, int fd, struct buf *fb, int *with_mmap) *with_mmap = 0; off = 0; - retval = 0; + retval = -1; fb->sz = 0; fb->buf = NULL; for (;;) { @@ -500,13 +499,13 @@ read_whole_file(struct mparse *curp, int fd, struct buf *fb, int *with_mmap) read(fd, fb->buf + (int)off, fb->sz - off); if (ssz == 0) { fb->sz = off; - retval = 1; + retval = 0; break; } if (ssz == -1) { if (curp->gzip) (void)gzerror(gz, &gzerrnum); - mandoc_msg(MANDOCERR_FILE, 0, 0, "read: %s", + mandoc_msg(MANDOCERR_READ, 0, 0, "%s", curp->gzip && gzerrnum != Z_ERRNO ? zError(gzerrnum) : strerror(errno)); break; @@ -515,10 +514,10 @@ read_whole_file(struct mparse *curp, int fd, struct buf *fb, int *with_mmap) } if (curp->gzip && (gzerrnum = gzclose(gz)) != Z_OK) - mandoc_msg(MANDOCERR_FILE, 0, 0, "gzclose: %s", + mandoc_msg(MANDOCERR_GZCLOSE, 0, 0, "%s", gzerrnum == Z_ERRNO ? strerror(errno) : zError(gzerrnum)); - if (retval == 0) { + if (retval == -1) { free(fb->buf); fb->buf = NULL; } @@ -557,7 +556,7 @@ mparse_readfd(struct mparse *curp, int fd, const char *filename) mandoc_msg(MANDOCERR_ROFFLOOP, curp->line, 0, NULL); return; } - if (read_whole_file(curp, fd, &blk, &with_mmap) == 0) + if (read_whole_file(curp, fd, &blk, &with_mmap) == -1) return; /* |