make_relative_filename - Online Linux Manual Page

Section : 3
Updated : version 4.4.3
Source : Allegro
Note : Allegro manual
NAMEmake_relative_filename − Tries to make a relative filename from absolute path and filename. Allegro game programming library.​
SYNOPSIS#include <allegro.h> char *make_relative_filename(char *dest, const char *path, const char *filename, int size);
DESCRIPTIONAttempts to make a relative filename from an absolute path and an absolute filename, storing at most `size' bytes into the `dest' buffer. This function won't work if the paths are not canonical under the current platform (see canonicalize_filename()). Also, `dest' cannot be used as input value for `path' or `filename'. Example: char base[] = "/long/absolute/path/program.exe"; char user_input[] = "/nice/and/short.txt"; ... make_relative_filename(buf, base, user_input, sizeof(buf)); /* Under Unix buf would contain: ../../../nice/and/short.txt */
RETURN VALUEReturns a copy of the `dest' parameter if it succeeds or NULL if it fails (eg. under DOS, one path starts with "C:\" and another with "A:\\").
SEE ALSOmake_absolute_filename(3), is_relative_filename(3), canonicalize_filename(3) 0
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ERROR : Need New Coding :         (rof_escape_sequence|93|make_relative_filename.3|27|\" and another with "A:\\"). |(eg. under DOS, one path starts with "C:\\" and another with "A:\\"). )