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author | 2015-01-10 11:59:27 +0100 | |
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committer | 2015-01-10 11:59:27 +0100 | |
commit | 2c9a5344f38aa3f867a56f8ed87b2c99b77c858a (patch) | |
tree | fc329af3515061cb2ab5588b2be82228e060ece9 /3rdparty/expat/xmlwf/unixfilemap.c | |
parent | 31251f6c097fa1314f7bc63fefd2d01a16b2556f (diff) |
Added integral version of expat (nw)
Diffstat (limited to '3rdparty/expat/xmlwf/unixfilemap.c')
-rw-r--r-- | 3rdparty/expat/xmlwf/unixfilemap.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/3rdparty/expat/xmlwf/unixfilemap.c b/3rdparty/expat/xmlwf/unixfilemap.c new file mode 100644 index 00000000000..93adce32e82 --- /dev/null +++ b/3rdparty/expat/xmlwf/unixfilemap.c @@ -0,0 +1,65 @@ +/* Copyright (c) 1998, 1999 Thai Open Source Software Center Ltd + See the file COPYING for copying permission. +*/ + +#include <sys/types.h> +#include <sys/mman.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <errno.h> +#include <string.h> +#include <stdio.h> +#include <unistd.h> + +#ifndef MAP_FILE +#define MAP_FILE 0 +#endif + +#include "filemap.h" + +int +filemap(const char *name, + void (*processor)(const void *, size_t, const char *, void *arg), + void *arg) +{ + int fd; + size_t nbytes; + struct stat sb; + void *p; + + fd = open(name, O_RDONLY); + if (fd < 0) { + perror(name); + return 0; + } + if (fstat(fd, &sb) < 0) { + perror(name); + close(fd); + return 0; + } + if (!S_ISREG(sb.st_mode)) { + close(fd); + fprintf(stderr, "%s: not a regular file\n", name); + return 0; + } + + nbytes = sb.st_size; + /* mmap fails for zero length files */ + if (nbytes == 0) { + static const char c = '\0'; + processor(&c, 0, name, arg); + close(fd); + return 1; + } + p = (void *)mmap((caddr_t)0, (size_t)nbytes, PROT_READ, + MAP_FILE|MAP_PRIVATE, fd, (off_t)0); + if (p == (void *)-1) { + perror(name); + close(fd); + return 0; + } + processor(p, nbytes, name, arg); + munmap((caddr_t)p, nbytes); + close(fd); + return 1; +} |