thodg/got/include/got_opentemp.h
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Hash : a558dd1b
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Date : 2022-06-08T10:56:53
reuse a temporary file across commits during got log -p -S suggested by + ok op@
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include/got_opentemp.h
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/* * Copyright (c) 2018 Stefan Sperling <stsp@openbsd.org> * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ /* Utilities for opening temporary files. */ #ifndef GOT_TMPDIR #define GOT_TMPDIR /tmp #endif #define GOT_STRINGIFY_TMP(x) #x #define GOT_STRINGVAL_TMP(x) GOT_STRINGIFY_TMP(x) #define GOT_TMPDIR_STR GOT_STRINGVAL_TMP(GOT_TMPDIR) /* Open a file descriptor to a new temporary file for writing. * The file is not visible in the filesystem. */ int got_opentempfd(void); /* Open a new temporary file for writing. * The file is not visible in the filesystem. */ FILE *got_opentemp(void); /* Open a new temporary file for writing. * The file is visible in the filesystem. */ const struct got_error *got_opentemp_named(char **, FILE **, const char *); /* Like got_opentemp_named() but returns a file descriptor instead of a FILE. */ const struct got_error *got_opentemp_named_fd(char **, int *, const char *); /* Truncate a file. This is useful for re-using open temporary files. */ const struct got_error *got_opentemp_truncate(FILE *);