112 lines
1.8 KiB
C
112 lines
1.8 KiB
C
#include <stdint.h>
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#include <string.h>
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#include "types.h"
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#include "ioutil.h"
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#ifndef _WIN32
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#include <errno.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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int writeall(FH fd,const u8 *data,size_t len)
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{
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ssize_t wrote;
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while (len) {
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wrote = write(fd,data,len);
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if (wrote == -1) {
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if (errno == EAGAIN || errno == EWOULDBLOCK || errno == EINTR)
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continue;
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return -1;
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}
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len -= (size_t) wrote;
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data += wrote;
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}
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return 0;
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}
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FH createfile(const char *path,int secret)
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{
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int fd;
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do {
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fd = open(path,O_WRONLY | O_CREAT | O_TRUNC,secret ? 0600 : 0666);
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if (fd == -1) {
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if (errno == EINTR)
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continue;
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return -1;
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}
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} while (0);
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return fd;
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}
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int closefile(FH fd)
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{
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int cret;
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do {
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cret = close(fd);
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if (cret == -1) {
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if (errno == EINTR)
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continue;
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return -1;
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}
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} while (0);
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return 0;
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}
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int createdir(const char *path,int secret)
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{
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return mkdir(path,secret ? 0700 : 0777);
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}
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#else
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int writeall(FH fd,const u8 *data,size_t len)
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{
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DWORD wrote;
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BOOL success;
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while (len) {
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success = WriteFile(fd,data,
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len <= (DWORD)-1 ? (DWORD)len : (DWORD)-1,&wrote,0);
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if (!success)
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return -1;
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data += wrote;
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if (len >= wrote)
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len -= wrote;
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else
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len = 0;
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}
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return 0;
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}
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FH createfile(const char *path,int secret)
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{
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// XXX no support for non-ascii chars
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// XXX don't know how to handle secret argument
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(void) secret;
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return CreateFileA(path,GENERIC_WRITE,0,0,CREATE_ALWAYS,0,0);
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}
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int closefile(FH fd)
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{
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return CloseHandle(fd) ? 0 : -1;
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}
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int createdir(const char *path,int secret)
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{
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// XXX don't know how to handle secret argument
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return CreateDirectoryA(path,0) ? 0 : -1;
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}
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#endif
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int writetofile(const char *path,const u8 *data,size_t len,int secret)
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{
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FH fd = createfile(path,secret);
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int wret = writeall(fd,data,len);
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int cret = closefile(fd);
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if (cret == -1)
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return -1;
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return wret;
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}
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