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https://stackoverflow.com/questions/965725/large-file-support-in-c
A good candidate might be using the CPL file library from GDAL. This provides cross-platform large-file support for read+write, in ascii and binary access. Most of the GDAL file formats have been implemented using it, and are widely used.
https://www.ibm.com/support/knowledgecenter/en/ssw_ibm_i_72/rtref/fopen.htm
The fopen() function opens the file that is specified by filename. ... See Large file support in the Integrated file system topic in the Information Center for the current file system limit of the integrated file system. For files in the integrated file system that are larger than 2 GB, …
https://bytes.com/topic/c/answers/806105-fopen-large-file-tera-byte-support
Jun 27, 2008 · I have to support 200 Gigabyte support to open a file in my program. My program exits with open("/mnt/d1/tmp/<file name>", O_RDONLY) = -1 EFBIG (File too large) This open system call is a result of fopen C++ library call, and there is no way I can provide O_LARGEFILE mode in fopen call. Also the return valud of fopen is a file handle, where ...
https://www.php.net/manual/en/function.fopen.php
In order to gain large file support for non-web applications while maintaining the operability of Apache, consider making two distinct PHP installations: one with the above CFLAGS specified during configuration (for non-web uses), and the other without this flag (for use with Apache).
https://www.ibm.com/support/knowledgecenter/en/SSLTBW_2.3.0/com.ibm.zos.v2r3.bpxbd00/fopen.htm
For details on how fopen() determines the type of file from the filename and mode strings, see the topics about opening files in z/OS XL C/C++ Programming Guide. Large file support for z/OS® UNIX files: Large z/OS UNIX files are supported automatically for AMODE 64 C/C++ applications. AMODE 31 C/C++ applications must be compiled with the ...
https://wiki.sei.cmu.edu/confluence/display/c/FIO19-C.+Do+not+use+fseek%28%29+and+ftell%28%29+to+compute+the+size+of+a+regular+file
Compliant Solution (POSIX ftello()) If the code needs to handle large files, it is preferable to use fseeko() and ftello() because, for some implementations, they can handle larger file offsets than fseek() and ftell() can handle. If they are used, the file_size variable should have type off_t to avoid the possibility of overflow when assigning the return value of ftello() to it.
http://www.qnx.com/developers/docs/7.0.0/com.qnx.doc.neutrino.lib_ref/topic/f/fopen.html
The fopen64() function is a large-file support version of fopen(). Note: In QNX Neutrino 6.6 or later, the large-file support functions and data types appear in the name space only if you define _LARGEFILE64_SOURCE when you compile your code.
https://en.cppreference.com/w/c/io/fopen
File access mode flag "x" can optionally be appended to "w" or "w+" specifiers. This flag forces the function to fail if the file exists, instead of overwriting it. (C11) When using fopen_s or freopen_s, file access permissions for any file created with
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81091
libstdc++ seems to lack AC_SYS_LARGEFILE in configury and thus uses fopen/open in fstream and friends that can fail not only because of large files but files with large inode numbers depending on the underlying filesystem. ... Build filesystem library with large file support Enable AC_SYS_LARGEFILE to set the macros needed for large file APIs ...
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