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Merge branch 'nd/fopen-errors'

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We often try to open a file for reading whose existence is
optional, and silently ignore errors from open/fopen; report such
errors if they are not due to missing files.

* nd/fopen-errors:
  mingw_fopen: report ENOENT for invalid file names
  mingw: verify that paths are not mistaken for remote nicknames
  log: fix memory leak in open_next_file()
  rerere.c: move error_errno() closer to the source system call
  print errno when reporting a system call error
  wrapper.c: make warn_on_inaccessible() static
  wrapper.c: add and use fopen_or_warn()
  wrapper.c: add and use warn_on_fopen_errors()
  config.mak.uname: set FREAD_READS_DIRECTORIES for Darwin, too
  config.mak.uname: set FREAD_READS_DIRECTORIES for Linux and FreeBSD
  clone: use xfopen() instead of fopen()
  use xfopen() in more places
  git_fopen: fix a sparse 'not declared' warning
This commit is contained in:
Junio C Hamano
2017-06-13 13:47:09 -07:00
parent 9743f18f3f e5b313442a
commit b9a7d55d93
32 changed files with 125 additions and 92 deletions
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8
diff.c
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@ -4071,9 +4071,7 @@ int diff_opt_parse(struct diff_options *options,
DIFF_OPT_CLR(options, FUNCCONTEXT);
else if ((argcount = parse_long_opt("output", av, &optarg))) {
char *path = prefix_filename(prefix, optarg);
options->file = fopen(path, "w");
if (!options->file)
die_errno("Could not open '%s'", path);
options->file = xfopen(path, "w");
options->close_file = 1;
if (options->use_color != GIT_COLOR_ALWAYS)
options->use_color = GIT_COLOR_NEVER;
@ -4807,9 +4805,7 @@ void diff_flush(struct diff_options *options)
*/
if (options->close_file)
fclose(options->file);
options->file = fopen("/dev/null", "w");
if (!options->file)
die_errno("Could not open /dev/null");
options->file = xfopen("/dev/null", "w");
options->close_file = 1;
for (i = 0; i < q->nr; i++) {
struct diff_filepair *p = q->queue[i];