caca_file - Online Linux Manual PageSection : 3caca
Updated : Tue Jan 26 2021
Source : Version 0.99.beta19
Note : libcaca
NAMEcaca_file − libcaca file IO
SYNOPSIS
Moduleslibcaca importers/exporters from/to various
Functions__extern caca_file_t * caca_file_open (char const *, const char *)
Open a file for reading or writing​. __extern int caca_file_close (caca_file_t *)
Close a file handle​. __extern uint64_t caca_file_tell (caca_file_t *)
Return the position in a file handle​. __extern size_t caca_file_read (caca_file_t *, void *, size_t)
Read data from a file handle​. __extern size_t caca_file_write (caca_file_t *, const void *, size_t)
Write data to a file handle​. __extern char * caca_file_gets (caca_file_t *, char *, int)
Read a line from a file handle​. __extern int caca_file_eof (caca_file_t *)
Tell whether a file handle reached end of file​.
Detailed DescriptionThese functions allow to read and write files in a platform-independent way​.
Function Documentation
__extern caca_file_t* caca_file_open (char const * path, const char * mode)Create a caca file handle for a file​. If the file is zipped, it is decompressed on the fly​. If an error occurs, NULL is returned and errno is set accordingly: • ENOSTS Function not implemented​. • EINVAL File not found or permission denied​. Parameters path The file path
mode The file open mode Returns A file handle to path​. Referenced by caca_import_canvas_from_file()​.
__extern int caca_file_close (caca_file_t * fp)Close and destroy the resources associated with a caca file handle​. This function is a wrapper for fclose() or, if available, gzclose()​. Parameters fp The file handle Returns The return value of fclose() or gzclose()​. Referenced by caca_import_canvas_from_file()​.
__extern uint64_t caca_file_tell (caca_file_t * fp)Return the file handle position, in bytes​. Parameters fp The file handle Returns The current offset in the file handle​.
__extern size_t caca_file_read (caca_file_t * fp, void * ptr, size_t size)Read data from a file handle and copy them into the given buffer​. Parameters fp The file handle
ptr The destination buffer
size The number of bytes to read Returns The number of bytes read Referenced by caca_import_canvas_from_file()​.
__extern size_t caca_file_write (caca_file_t * fp, const void * ptr, size_t size)Write the contents of the given buffer to the file handle​. Parameters fp The file handle
ptr The source buffer
size The number of bytes to write Returns The number of bytes written
__extern char* caca_file_gets (caca_file_t * fp, char * s, int size)Read one line of data from a file handle, up to one less than the given number of bytes​. A trailing zero is appended to the data​. Parameters fp The file handle
s The destination buffer
size The maximum number of bytes to read Returns The number of bytes read, including the trailing zero
__extern int caca_file_eof (caca_file_t * fp)Return the end-of-file status of the file handle​. This function is a wrapper for feof() or, if available, gzeof()​. Parameters fp The file handle Returns 1 if EOF was reached, 0 otherwise Referenced by caca_import_canvas_from_file()​.
AuthorGenerated automatically by Doxygen for libcaca from the source code​. 0
Johanes Gumabo
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