From 4dbdc42d9e7c3968ff7f690d00680419c9b8cb0f Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Tue, 9 Apr 2024 15:34:27 +0200 Subject: Adding upstream version 1:2.43.0. Signed-off-by: Daniel Baumann --- compat/fopen.c | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 compat/fopen.c (limited to 'compat/fopen.c') diff --git a/compat/fopen.c b/compat/fopen.c new file mode 100644 index 0000000..107b3e8 --- /dev/null +++ b/compat/fopen.c @@ -0,0 +1,37 @@ +/* + * The order of the following two lines is important. + * + * SUPPRESS_FOPEN_REDEFINITION is defined before including git-compat-util.h + * to avoid the redefinition of fopen within git-compat-util.h. This is + * necessary since fopen is a macro on some platforms which may be set + * based on compiler options. For example, on AIX fopen is set to fopen64 + * when _LARGE_FILES is defined. The previous technique of merely undefining + * fopen after including git-compat-util.h is inadequate in this case. + */ +#define SUPPRESS_FOPEN_REDEFINITION +#include "../git-compat-util.h" + +FILE *git_fopen(const char *path, const char *mode) +{ + FILE *fp; + struct stat st; + + if (mode[0] == 'w' || mode[0] == 'a') + return fopen(path, mode); + + if (!(fp = fopen(path, mode))) + return NULL; + + if (fstat(fileno(fp), &st)) { + fclose(fp); + return NULL; + } + + if (S_ISDIR(st.st_mode)) { + fclose(fp); + errno = EISDIR; + return NULL; + } + + return fp; +} -- cgit v1.2.3