diff options
Diffstat (limited to 'lib/expat/xmlwf/readfilemap.c')
-rw-r--r-- | lib/expat/xmlwf/readfilemap.c | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/lib/expat/xmlwf/readfilemap.c b/lib/expat/xmlwf/readfilemap.c new file mode 100644 index 000000000..42b5e0382 --- /dev/null +++ b/lib/expat/xmlwf/readfilemap.c @@ -0,0 +1,82 @@ +/* Copyright (c) 1998, 1999 Thai Open Source Software Center Ltd + See the file COPYING for copying permission. +*/ + +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <stdlib.h> +#include <stdio.h> + +#ifdef __BEOS__ +#include <unistd.h> +#endif + +#ifndef S_ISREG +#ifndef S_IFREG +#define S_IFREG _S_IFREG +#endif +#ifndef S_IFMT +#define S_IFMT _S_IFMT +#endif +#define S_ISREG(m) (((m) & S_IFMT) == S_IFREG) +#endif /* not S_ISREG */ + +#ifndef O_BINARY +#ifdef _O_BINARY +#define O_BINARY _O_BINARY +#else +#define O_BINARY 0 +#endif +#endif + +#include "filemap.h" + +int +filemap(const char *name, + void (*processor)(const void *, size_t, const char *, void *arg), + void *arg) +{ + size_t nbytes; + int fd; + int n; + struct stat sb; + void *p; + + fd = open(name, O_RDONLY|O_BINARY); + if (fd < 0) { + perror(name); + return 0; + } + if (fstat(fd, &sb) < 0) { + perror(name); + return 0; + } + if (!S_ISREG(sb.st_mode)) { + fprintf(stderr, "%s: not a regular file\n", name); + return 0; + } + nbytes = sb.st_size; + p = malloc(nbytes); + if (!p) { + fprintf(stderr, "%s: out of memory\n", name); + return 0; + } + n = read(fd, p, nbytes); + if (n < 0) { + perror(name); + free(p); + close(fd); + return 0; + } + if (n != nbytes) { + fprintf(stderr, "%s: read unexpected number of bytes\n", name); + free(p); + close(fd); + return 0; + } + processor(p, nbytes, name, arg); + free(p); + close(fd); + return 1; +} |