diff options
Diffstat (limited to 'programs/util.h')
-rw-r--r-- | programs/util.h | 66 |
1 files changed, 52 insertions, 14 deletions
diff --git a/programs/util.h b/programs/util.h index 8e361ca..2f3d0a8 100644 --- a/programs/util.h +++ b/programs/util.h @@ -33,7 +33,7 @@ extern "C" { #include <stddef.h> /* size_t, ptrdiff_t */ #include <stdlib.h> /* malloc */ #include <string.h> /* strlen, strncpy */ -#include <stdio.h> /* fprintf */ +#include <stdio.h> /* fprintf, fileno */ #include <assert.h> #include <sys/types.h> /* stat, utime */ #include <sys/stat.h> /* stat */ @@ -122,6 +122,36 @@ extern "C" { #endif +/*-**************************************** +* stat() functions +******************************************/ +#if defined(_MSC_VER) +# define UTIL_TYPE_stat __stat64 +# define UTIL_stat _stat64 +# define UTIL_fstat _fstat64 +# define UTIL_STAT_MODE_ISREG(st_mode) ((st_mode) & S_IFREG) +#elif defined(__MINGW32__) && defined (__MSVCRT__) +# define UTIL_TYPE_stat _stati64 +# define UTIL_stat _stati64 +# define UTIL_fstat _fstati64 +# define UTIL_STAT_MODE_ISREG(st_mode) ((st_mode) & S_IFREG) +#else +# define UTIL_TYPE_stat stat +# define UTIL_stat stat +# define UTIL_fstat fstat +# define UTIL_STAT_MODE_ISREG(st_mode) (S_ISREG(st_mode)) +#endif + + +/*-**************************************** +* fileno() function +******************************************/ +#if defined(_MSC_VER) +# define UTIL_fileno _fileno +#else +# define UTIL_fileno fileno +#endif + /* ************************************* * Constants ***************************************/ @@ -357,22 +387,30 @@ UTIL_STATIC U32 UTIL_isDirectory(const char* infilename) } +UTIL_STATIC U64 UTIL_getOpenFileSize(FILE* file) +{ + int r; + int fd; + struct UTIL_TYPE_stat statbuf; + + fd = UTIL_fileno(file); + if (fd < 0) { + perror("fileno"); + exit(1); + } + r = UTIL_fstat(fd, &statbuf); + if (r || !UTIL_STAT_MODE_ISREG(statbuf.st_mode)) return 0; /* No good... */ + return (U64)statbuf.st_size; +} + + UTIL_STATIC U64 UTIL_getFileSize(const char* infilename) { int r; -#if defined(_MSC_VER) - struct __stat64 statbuf; - r = _stat64(infilename, &statbuf); - if (r || !(statbuf.st_mode & S_IFREG)) return 0; /* No good... */ -#elif defined(__MINGW32__) && defined (__MSVCRT__) - struct _stati64 statbuf; - r = _stati64(infilename, &statbuf); - if (r || !(statbuf.st_mode & S_IFREG)) return 0; /* No good... */ -#else - struct stat statbuf; - r = stat(infilename, &statbuf); - if (r || !S_ISREG(statbuf.st_mode)) return 0; /* No good... */ -#endif + struct UTIL_TYPE_stat statbuf; + + r = UTIL_stat(infilename, &statbuf); + if (r || !UTIL_STAT_MODE_ISREG(statbuf.st_mode)) return 0; /* No good... */ return (U64)statbuf.st_size; } |