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authorHiltjo Posthuma <hiltjo@codemadness.org>2023-03-08 21:20:52 +0100
committerHiltjo Posthuma <hiltjo@codemadness.org>2023-03-08 21:28:51 +0100
commitdfbbf7f6e1b22ccf9e5a45d77ee10995577fb4fc (patch)
treefc6aeadab9feb3ab590f81565e7005dd22bb52ef /config.mk%2525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525253fid%2525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525253d610a0a8d126b5caa7fec60632c999ca326ca2eff%25252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525253fid%25252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525253d610a0a8d126b5caa7fec60632c999ca326ca2eff%252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525253fid%252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525253df0818217b3d2d0e527f11a5708badf6ddc72e99d%2525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525253fid%2525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525253d3c366bd73d1812845b0afc185ccaba9bbc871854%25252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525253fid%25252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525253d75a19c35bd9c880bbfdc5cbf3fd807803d04de89%252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525253fid%252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525253da5f31f570774ca1d4a504d8c13c96af0217635a7%25252525252525252525252525252525252525252525252525252525252525252525252525252525252525253fshowmsg%25252525252525252525252525252525252525252525252525252525252525252525252525252525252525253d1%252525252525252525252525252525252525252525252525252525252525252525252525252525252525253fshowmsg%252525252525252525252525252525252525252525252525252525252525252525252525252525252525253d1%252525252525252525252525252525252525252525252525252525252525252525252525252525253fid2%252525252525252525252525252525252525252525252525252525252525252525252525252525253ddfbbf7f6e1b22ccf9e5a45d77ee10995577fb4fc%25252525252525252525252525252525252525252525252525252525252525252525252525253fid2%25252525252525252525252525252525252525252525252525252525252525252525252525253ddfbbf7f6e1b22ccf9e5a45d77ee10995577fb4fc%25252525252525252525252525252525252525252525252525252525252525252525253fid%25252525252525252525252525252525252525252525252525252525252525252525253d5773a77780fee2424ad561c1c83136f45e2b1a67%252525252525252525252525252525252525252525252525252525252525252525253fid%252525252525252525252525252525252525252525252525252525252525252525253d5773a77780fee2424ad561c1c83136f45e2b1a67&id2%252525252525252525252525252525252525252525252525252525252525252525253dba1a347dcaba055f824161007dfee60db3ea785b%2525252525252525252525252525252525252525252525252525252525253fid2%2525252525252525252525252525252525252525252525252525252525253d5773a77780fee2424ad561c1c83136f45e2b1a67%2525252525252525252525252525252525252525252525252525253fid%2525252525252525252525252525252525252525252525252525253ddfbbf7f6e1b22ccf9e5a45d77ee10995577fb4fc%25252525252525252525252525252525252525252525252525253fid%25252525252525252525252525252525252525252525252525253dba1a347dcaba055f824161007dfee60db3ea785b%252525252525252525252525252525252525252525252525253fid%252525252525252525252525252525252525252525252525253dba1a347dcaba055f824161007dfee60db3ea785b%2525252525252525252525252525252525252525252525253fid%2525252525252525252525252525252525252525252525253dba1a347dcaba055f824161007dfee60db3ea785b%25252525252525252525252525252525252525252525253fid%25252525252525252525252525252525252525252525253dba1a347dcaba055f824161007dfee60db3ea785b%252525252525252525252525252525252525253fshowmsg%252525252525252525252525252525252525253d1%25252525252525252525252525252525253fid2%25252525252525252525252525252525253ddfbbf7f6e1b22ccf9e5a45d77ee10995577fb4fc%252525252525252525252525252525253fid2%252525252525252525252525252525253ddfbbf7f6e1b22ccf9e5a45d77ee10995577fb4fc%25252525252525252525252525253fid%25252525252525252525252525253ddfbbf7f6e1b22ccf9e5a45d77ee10995577fb4fc%252525252525252525252525253fid%252525252525252525252525253dba1a347dcaba055f824161007dfee60db3ea785b%2525252525252525252525253fid%2525252525252525252525253dbcbc1ef5c4cf4875a4d66e7dc0919da88a6096a5%25252525252525252525253fid%25252525252525252525253dbcbc1ef5c4cf4875a4d66e7dc0919da88a6096a5%252525252525252525253fid%252525252525252525253dbcbc1ef5c4cf4875a4d66e7dc0919da88a6096a5%2525252525252525253fid%2525252525252525253dbcbc1ef5c4cf4875a4d66e7dc0919da88a6096a5%252525253fid%252525253ddfbbf7f6e1b22ccf9e5a45d77ee10995577fb4fc%253fid%253ddfbbf7f6e1b22ccf9e5a45d77ee10995577fb4fc%3fid%3ddfbbf7f6e1b22ccf9e5a45d77ee10995577fb4fc?id=dfbbf7f6e1b22ccf9e5a45d77ee10995577fb4fc
parentba1a347dcaba055f824161007dfee60db3ea785b (diff)
readstdin: reduce memory-usage by duplicating the line from getline()
Improves upon commit 32db2b125190d366be472ccb7cad833248696144 The getline() implementation often uses a more greedy way of allocating memory. Using this buffer directly and forcing an allocation (by setting it to NULL) would waste a bit of extra space, depending on the implementation of course. Tested on musl libc and glibc. The current glibc version allocates a minimum of 120 bytes per line. For smaller lines musl libc seems less wasteful but still wastes a few bytes per line. On a dmenu_path listing on my system the memory usage was about 350kb (old) vs 30kb (new) on Void Linux glibc. Side-note that getline() also reads NUL bytes in lines, while strdup() would read until the NUL byte. Since dmenu reads text lines either is probably fine(tm). Also rename junk to linesiz.
Diffstat (limited to 'config.mk%2525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525253fid%2525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525253d610a0a8d126b5caa7fec60632c999ca326ca2eff%25252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525253fid%25252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525253d610a0a8d126b5caa7fec60632c999ca326ca2eff%252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525253fid%252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525253df0818217b3d2d0e527f11a5708badf6ddc72e99d%2525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525253fid%2525252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525253d3c366bd73d1812845b0afc185ccaba9bbc871854%25252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525253fid%25252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525253d75a19c35bd9c880bbfdc5cbf3fd807803d04de89%252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525253fid%252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525253da5f31f570774ca1d4a504d8c13c96af0217635a7%25252525252525252525252525252525252525252525252525252525252525252525252525252525252525253fshowmsg%25252525252525252525252525252525252525252525252525252525252525252525252525252525252525253d1%252525252525252525252525252525252525252525252525252525252525252525252525252525252525253fshowmsg%252525252525252525252525252525252525252525252525252525252525252525252525252525252525253d1%252525252525252525252525252525252525252525252525252525252525252525252525252525253fid2%252525252525252525252525252525252525252525252525252525252525252525252525252525253ddfbbf7f6e1b22ccf9e5a45d77ee10995577fb4fc%25252525252525252525252525252525252525252525252525252525252525252525252525253fid2%25252525252525252525252525252525252525252525252525252525252525252525252525253ddfbbf7f6e1b22ccf9e5a45d77ee10995577fb4fc%25252525252525252525252525252525252525252525252525252525252525252525253fid%25252525252525252525252525252525252525252525252525252525252525252525253d5773a77780fee2424ad561c1c83136f45e2b1a67%252525252525252525252525252525252525252525252525252525252525252525253fid%252525252525252525252525252525252525252525252525252525252525252525253d5773a77780fee2424ad561c1c83136f45e2b1a67&id2%252525252525252525252525252525252525252525252525252525252525252525253dba1a347dcaba055f824161007dfee60db3ea785b%2525252525252525252525252525252525252525252525252525252525253fid2%2525252525252525252525252525252525252525252525252525252525253d5773a77780fee2424ad561c1c83136f45e2b1a67%2525252525252525252525252525252525252525252525252525253fid%2525252525252525252525252525252525252525252525252525253ddfbbf7f6e1b22ccf9e5a45d77ee10995577fb4fc%25252525252525252525252525252525252525252525252525253fid%25252525252525252525252525252525252525252525252525253dba1a347dcaba055f824161007dfee60db3ea785b%252525252525252525252525252525252525252525252525253fid%252525252525252525252525252525252525252525252525253dba1a347dcaba055f824161007dfee60db3ea785b%2525252525252525252525252525252525252525252525253fid%2525252525252525252525252525252525252525252525253dba1a347dcaba055f824161007dfee60db3ea785b%25252525252525252525252525252525252525252525253fid%25252525252525252525252525252525252525252525253dba1a347dcaba055f824161007dfee60db3ea785b%252525252525252525252525252525252525253fshowmsg%252525252525252525252525252525252525253d1%25252525252525252525252525252525253fid2%25252525252525252525252525252525253ddfbbf7f6e1b22ccf9e5a45d77ee10995577fb4fc%252525252525252525252525252525253fid2%252525252525252525252525252525253ddfbbf7f6e1b22ccf9e5a45d77ee10995577fb4fc%25252525252525252525252525253fid%25252525252525252525252525253ddfbbf7f6e1b22ccf9e5a45d77ee10995577fb4fc%252525252525252525252525253fid%252525252525252525252525253dba1a347dcaba055f824161007dfee60db3ea785b%2525252525252525252525253fid%2525252525252525252525253dbcbc1ef5c4cf4875a4d66e7dc0919da88a6096a5%25252525252525252525253fid%25252525252525252525253dbcbc1ef5c4cf4875a4d66e7dc0919da88a6096a5%252525252525252525253fid%252525252525252525253dbcbc1ef5c4cf4875a4d66e7dc0919da88a6096a5%2525252525252525253fid%2525252525252525253dbcbc1ef5c4cf4875a4d66e7dc0919da88a6096a5%252525253fid%252525253ddfbbf7f6e1b22ccf9e5a45d77ee10995577fb4fc%253fid%253ddfbbf7f6e1b22ccf9e5a45d77ee10995577fb4fc%3fid%3ddfbbf7f6e1b22ccf9e5a45d77ee10995577fb4fc?id=dfbbf7f6e1b22ccf9e5a45d77ee10995577fb4fc')
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