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Add "__noreturn__" attribute to die() and usage()

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Only with gcc. It fixes some warnings for certain versions
of gcc, but not apparently all.
This commit is contained in:
Linus Torvalds 2005-06-06 10:12:31 -07:00
parent 64de356299
commit 90334cf780
1 changed files with 8 additions and 2 deletions
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10
cache.h
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@ -32,6 +32,12 @@
#define DTYPE(de) DT_UNKNOWN #define DTYPE(de) DT_UNKNOWN
#endif #endif
#ifdef __GNUC__
#define NORETURN __attribute__((__noreturn__))
#else
#define NORETURN
#endif
/* /*
* Environment variables transition. * Environment variables transition.
* We accept older names for now but warn. * We accept older names for now but warn.
@ -175,8 +181,8 @@ extern int get_sha1_hex(const char *hex, unsigned char *sha1);
extern char *sha1_to_hex(const unsigned char *sha1); /* static buffer result! */ extern char *sha1_to_hex(const unsigned char *sha1); /* static buffer result! */
/* General helper functions */ /* General helper functions */
extern void usage(const char *err); extern void usage(const char *err) NORETURN;
extern void die(const char *err, ...); extern void die(const char *err, ...) NORETURN;
extern int error(const char *err, ...); extern int error(const char *err, ...);
extern int base_name_compare(const char *name1, int len1, int mode1, const char *name2, int len2, int mode2); extern int base_name_compare(const char *name1, int len1, int mode1, const char *name2, int len2, int mode2);