diff options
Diffstat (limited to 'git-compat-util.h')
| -rw-r--r-- | git-compat-util.h | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/git-compat-util.h b/git-compat-util.h index 2e79b8a2f3..2cecf56eb3 100644 --- a/git-compat-util.h +++ b/git-compat-util.h @@ -75,7 +75,7 @@ # endif #elif !defined(__APPLE__) && !defined(__FreeBSD__) && !defined(__USLC__) && \ !defined(_M_UNIX) && !defined(__sgi) && !defined(__DragonFly__) && \ - !defined(__TANDEM) + !defined(__TANDEM) && !defined(__QNX__) #define _XOPEN_SOURCE 600 /* glibc2 and AIX 5.3L need 500, OpenBSD needs 600 for S_ISLNK() */ #define _XOPEN_SOURCE_EXTENDED 1 /* AIX 5.3L needs this */ #endif @@ -99,12 +99,14 @@ #include <stdlib.h> #include <stdarg.h> #include <string.h> -#ifdef __TANDEM /* or HAVE_STRINGS_H or !NO_STRINGS_H? */ +#ifdef HAVE_STRINGS_H #include <strings.h> /* for strcasecmp() */ #endif #include <errno.h> #include <limits.h> +#ifdef NEEDS_SYS_PARAM_H #include <sys/param.h> +#endif #include <sys/types.h> #include <dirent.h> #include <sys/time.h> @@ -288,6 +290,17 @@ extern NORETURN void die_errno(const char *err, ...) __attribute__((format (prin extern int error(const char *err, ...) __attribute__((format (printf, 1, 2))); extern void warning(const char *err, ...) __attribute__((format (printf, 1, 2))); +/* + * Let callers be aware of the constant return value; this can help + * gcc with -Wuninitialized analysis. We have to restrict this trick to + * gcc, though, because of the variadic macro and the magic ## comma pasting + * behavior. But since we're only trying to help gcc, anyway, it's OK; other + * compilers will fall back to using the function as usual. + */ +#ifdef __GNUC__ +#define error(fmt, ...) (error((fmt), ##__VA_ARGS__), -1) +#endif + extern void set_die_routine(NORETURN_PTR void (*routine)(const char *err, va_list params)); extern void set_error_routine(void (*routine)(const char *err, va_list params)); @@ -411,6 +424,10 @@ void *gitmemmem(const void *haystack, size_t haystacklen, const void *needle, size_t needlelen); #endif +#ifdef NO_GETPAGESIZE +#define getpagesize() sysconf(_SC_PAGESIZE) +#endif + #ifdef FREAD_READS_DIRECTORIES #ifdef fopen #undef fopen @@ -637,8 +654,12 @@ int rmdir_or_warn(const char *path); */ int remove_or_warn(unsigned int mode, const char *path); -/* Call access(2), but warn for any error besides ENOENT. */ +/* + * Call access(2), but warn for any error except "missing file" + * (ENOENT or ENOTDIR). + */ int access_or_warn(const char *path, int mode); +int access_or_die(const char *path, int mode); /* Warn on an inaccessible file that ought to be accessible */ void warn_on_inaccessible(const char *path); |