Delete useless 'extern' qualifiers for functions

'extern' qualifier is useless for function declarations. Delete
them.
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>

cache-utils.h

@@ -9,7 +9,7 @@ struct qemu_cache_conf {
 
 extern struct qemu_cache_conf qemu_cache_conf;
 
-extern void qemu_cache_utils_init(char **envp);
+void qemu_cache_utils_init(char **envp);
 
 /* mildly adjusted code from tcg-dyngen.c */
 static inline void flush_icache_range(unsigned long start, unsigned long stop)

cmd.h

@@ -38,33 +38,33 @@ typedef struct cmdinfo {
 extern cmdinfo_t	*cmdtab;
 extern int		ncmds;
 
-extern void		help_init(void);
-extern void		quit_init(void);
+void help_init(void);
+void quit_init(void);
 
 typedef int (*argsfunc_t)(int index);
 typedef int (*checkfunc_t)(const cmdinfo_t *ci);
 
-extern void		add_command(const cmdinfo_t *ci);
-extern void		add_user_command(char *optarg);
-extern void		add_args_command(argsfunc_t af);
-extern void		add_check_command(checkfunc_t cf);
+void add_command(const cmdinfo_t *ci);
+void add_user_command(char *optarg);
+void add_args_command(argsfunc_t af);
+void add_check_command(checkfunc_t cf);
 
-extern const cmdinfo_t	*find_command(const char *cmd);
+const cmdinfo_t *find_command(const char *cmd);
 
-extern void		command_loop(void);
-extern int		command_usage(const cmdinfo_t *ci);
-extern int		command(const cmdinfo_t *ci, int argc, char **argv);
+void command_loop(void);
+int command_usage(const cmdinfo_t *ci);
+int command(const cmdinfo_t *ci, int argc, char **argv);
 
 /* from input.h */
-extern char	**breakline(char *input, int *count);
-extern void	doneline(char *input, char **vec);
-extern char	*fetchline(void);
+char **breakline(char *input, int *count);
+void doneline(char *input, char **vec);
+char *fetchline(void);
 
-extern long long cvtnum(char *s);
-extern void	cvtstr(double value, char *str, size_t sz);
+long long cvtnum(char *s);
+void cvtstr(double value, char *str, size_t sz);
 
-extern struct timeval tsub(struct timeval t1, struct timeval t2);
-extern double	tdiv(double value, struct timeval tv);
+struct timeval tsub(struct timeval t1, struct timeval t2);
+double tdiv(double value, struct timeval tv);
 
 enum {
 	DEFAULT_TIME		= 0x0,
@@ -72,7 +72,7 @@ enum {
 	VERBOSE_FIXED_TIME	= 0x2
 };
 
-extern void	timestr(struct timeval *tv, char *str, size_t sz, int flags);
+void timestr(struct timeval *tv, char *str, size_t sz, int flags);
 
 extern char *progname;
 

dis-asm.h

@@ -362,48 +362,48 @@ typedef struct disassemble_info {
    target address.  Return number of bytes processed.  */
 typedef int (*disassembler_ftype) (bfd_vma, disassemble_info *);
 
-extern int print_insn_big_mips		(bfd_vma, disassemble_info*);
-extern int print_insn_little_mips	(bfd_vma, disassemble_info*);
-extern int print_insn_i386		(bfd_vma, disassemble_info*);
-extern int print_insn_m68k		(bfd_vma, disassemble_info*);
-extern int print_insn_z8001		(bfd_vma, disassemble_info*);
-extern int print_insn_z8002		(bfd_vma, disassemble_info*);
-extern int print_insn_h8300		(bfd_vma, disassemble_info*);
-extern int print_insn_h8300h		(bfd_vma, disassemble_info*);
-extern int print_insn_h8300s		(bfd_vma, disassemble_info*);
-extern int print_insn_h8500		(bfd_vma, disassemble_info*);
-extern int print_insn_alpha		(bfd_vma, disassemble_info*);
-extern disassembler_ftype arc_get_disassembler (int, int);
-extern int print_insn_arm		(bfd_vma, disassemble_info*);
-extern int print_insn_sparc		(bfd_vma, disassemble_info*);
-extern int print_insn_big_a29k		(bfd_vma, disassemble_info*);
-extern int print_insn_little_a29k	(bfd_vma, disassemble_info*);
-extern int print_insn_i960		(bfd_vma, disassemble_info*);
-extern int print_insn_sh		(bfd_vma, disassemble_info*);
-extern int print_insn_shl		(bfd_vma, disassemble_info*);
-extern int print_insn_hppa		(bfd_vma, disassemble_info*);
-extern int print_insn_m32r		(bfd_vma, disassemble_info*);
-extern int print_insn_m88k		(bfd_vma, disassemble_info*);
-extern int print_insn_mn10200		(bfd_vma, disassemble_info*);
-extern int print_insn_mn10300		(bfd_vma, disassemble_info*);
-extern int print_insn_ns32k		(bfd_vma, disassemble_info*);
-extern int print_insn_big_powerpc	(bfd_vma, disassemble_info*);
-extern int print_insn_little_powerpc	(bfd_vma, disassemble_info*);
-extern int print_insn_rs6000		(bfd_vma, disassemble_info*);
-extern int print_insn_w65		(bfd_vma, disassemble_info*);
-extern int print_insn_d10v		(bfd_vma, disassemble_info*);
-extern int print_insn_v850		(bfd_vma, disassemble_info*);
-extern int print_insn_tic30		(bfd_vma, disassemble_info*);
-extern int print_insn_ppc		(bfd_vma, disassemble_info*);
-extern int print_insn_s390		(bfd_vma, disassemble_info*);
-extern int print_insn_crisv32           (bfd_vma, disassemble_info*);
-extern int print_insn_crisv10           (bfd_vma, disassemble_info*);
-extern int print_insn_microblaze        (bfd_vma, disassemble_info*);
-extern int print_insn_ia64              (bfd_vma, disassemble_info*);
+int print_insn_big_mips         (bfd_vma, disassemble_info*);
+int print_insn_little_mips      (bfd_vma, disassemble_info*);
+int print_insn_i386             (bfd_vma, disassemble_info*);
+int print_insn_m68k             (bfd_vma, disassemble_info*);
+int print_insn_z8001            (bfd_vma, disassemble_info*);
+int print_insn_z8002            (bfd_vma, disassemble_info*);
+int print_insn_h8300            (bfd_vma, disassemble_info*);
+int print_insn_h8300h           (bfd_vma, disassemble_info*);
+int print_insn_h8300s           (bfd_vma, disassemble_info*);
+int print_insn_h8500            (bfd_vma, disassemble_info*);
+int print_insn_alpha            (bfd_vma, disassemble_info*);
+disassembler_ftype arc_get_disassembler (int, int);
+int print_insn_arm              (bfd_vma, disassemble_info*);
+int print_insn_sparc            (bfd_vma, disassemble_info*);
+int print_insn_big_a29k         (bfd_vma, disassemble_info*);
+int print_insn_little_a29k      (bfd_vma, disassemble_info*);
+int print_insn_i960             (bfd_vma, disassemble_info*);
+int print_insn_sh               (bfd_vma, disassemble_info*);
+int print_insn_shl              (bfd_vma, disassemble_info*);
+int print_insn_hppa             (bfd_vma, disassemble_info*);
+int print_insn_m32r             (bfd_vma, disassemble_info*);
+int print_insn_m88k             (bfd_vma, disassemble_info*);
+int print_insn_mn10200          (bfd_vma, disassemble_info*);
+int print_insn_mn10300          (bfd_vma, disassemble_info*);
+int print_insn_ns32k            (bfd_vma, disassemble_info*);
+int print_insn_big_powerpc      (bfd_vma, disassemble_info*);
+int print_insn_little_powerpc   (bfd_vma, disassemble_info*);
+int print_insn_rs6000           (bfd_vma, disassemble_info*);
+int print_insn_w65              (bfd_vma, disassemble_info*);
+int print_insn_d10v             (bfd_vma, disassemble_info*);
+int print_insn_v850             (bfd_vma, disassemble_info*);
+int print_insn_tic30            (bfd_vma, disassemble_info*);
+int print_insn_ppc              (bfd_vma, disassemble_info*);
+int print_insn_s390             (bfd_vma, disassemble_info*);
+int print_insn_crisv32          (bfd_vma, disassemble_info*);
+int print_insn_crisv10          (bfd_vma, disassemble_info*);
+int print_insn_microblaze       (bfd_vma, disassemble_info*);
+int print_insn_ia64             (bfd_vma, disassemble_info*);
 
 #if 0
 /* Fetch the disassembler for a given BFD, if that support is available.  */
-extern disassembler_ftype disassembler	(bfd *);
+disassembler_ftype disassembler(bfd *);
 #endif
 
 
@@ -412,21 +412,20 @@ extern disassembler_ftype disassembler	(bfd *);
 
 /* Here is a function which callers may wish to use for read_memory_func.
    It gets bytes from a buffer.  */
-extern int buffer_read_memory
-  (bfd_vma, bfd_byte *, int, struct disassemble_info *);
+int buffer_read_memory(bfd_vma, bfd_byte *, int, struct disassemble_info *);
 
 /* This function goes with buffer_read_memory.
    It prints a message using info->fprintf_func and info->stream.  */
-extern void perror_memory (int, bfd_vma, struct disassemble_info *);
+void perror_memory(int, bfd_vma, struct disassemble_info *);
 
 
 /* Just print the address in hex.  This is included for completeness even
    though both GDB and objdump provide their own (to print symbolic
    addresses).  */
-extern void generic_print_address (bfd_vma, struct disassemble_info *);
+void generic_print_address(bfd_vma, struct disassemble_info *);
 
 /* Always true.  */
-extern int generic_symbol_at_address (bfd_vma, struct disassemble_info *);
+int generic_symbol_at_address(bfd_vma, struct disassemble_info *);
 
 /* Macro to initialize a disassemble_info struct.  This should be called
    by all applications creating such a struct.  */

envlist.h

@@ -7,13 +7,13 @@ extern "C" {
 
 typedef struct envlist envlist_t;
 
-extern	envlist_t *envlist_create(void);
-extern	void envlist_free(envlist_t *);
-extern	int envlist_setenv(envlist_t *, const char *);
-extern	int envlist_unsetenv(envlist_t *, const char *);
-extern	int envlist_parse_set(envlist_t *, const char *);
-extern	int envlist_parse_unset(envlist_t *, const char *);
-extern	char **envlist_to_environ(const envlist_t *, size_t *);
+envlist_t *envlist_create(void);
+void envlist_free(envlist_t *);
+int envlist_setenv(envlist_t *, const char *);
+int envlist_unsetenv(envlist_t *, const char *);
+int envlist_parse_set(envlist_t *, const char *);
+int envlist_parse_unset(envlist_t *, const char *);
+char **envlist_to_environ(const envlist_t *, size_t *);
 
 #ifdef __cplusplus
 }

exec-all.h

@@ -192,7 +192,7 @@ extern TranslationBlock *tb_phys_hash[CODE_GEN_PHYS_HASH_SIZE];
 #if defined(USE_DIRECT_JUMP)
 
 #if defined(_ARCH_PPC)
-extern void ppc_tb_set_jmp_target(unsigned long jmp_addr, unsigned long addr);
+void ppc_tb_set_jmp_target(unsigned long jmp_addr, unsigned long addr);
 #define tb_set_jmp_target1 ppc_tb_set_jmp_target
 #elif defined(__i386__) || defined(__x86_64__)
 static inline void tb_set_jmp_target1(unsigned long jmp_addr, unsigned long addr)

fsdev/qemu-fsdev.h

@@ -49,7 +49,7 @@ typedef struct FsTypeListEntry {
     QTAILQ_ENTRY(FsTypeListEntry) next;
 } FsTypeListEntry;
 
-extern int qemu_fsdev_add(QemuOpts *opts);
-extern FsTypeEntry *get_fsdev_fsentry(char *id);
+int qemu_fsdev_add(QemuOpts *opts);
+FsTypeEntry *get_fsdev_fsentry(char *id);
 extern FileOperations local_ops;
 #endif

hw/file-op-9p.h

@@ -57,7 +57,7 @@ typedef struct FsContext
     struct xattr_operations **xops;
 } FsContext;
 
-extern void cred_init(FsCred *);
+void cred_init(FsCred *);
 
 typedef struct FileOperations
 {

hw/hw.h

@@ -799,17 +799,16 @@ extern const VMStateDescription vmstate_i2c_slave;
 #define VMSTATE_END_OF_LIST()                                         \
     {}
 
-extern int vmstate_load_state(QEMUFile *f, const VMStateDescription *vmsd,
-                              void *opaque, int version_id);
-extern void vmstate_save_state(QEMUFile *f, const VMStateDescription *vmsd,
-                               void *opaque);
-extern int vmstate_register(DeviceState *dev, int instance_id,
-                            const VMStateDescription *vmsd, void *base);
-extern int vmstate_register_with_alias_id(DeviceState *dev,
-                                          int instance_id,
-                                          const VMStateDescription *vmsd,
-                                          void *base, int alias_id,
-                                          int required_for_version);
+int vmstate_load_state(QEMUFile *f, const VMStateDescription *vmsd,
+                       void *opaque, int version_id);
+void vmstate_save_state(QEMUFile *f, const VMStateDescription *vmsd,
+                        void *opaque);
+int vmstate_register(DeviceState *dev, int instance_id,
+                     const VMStateDescription *vmsd, void *base);
+int vmstate_register_with_alias_id(DeviceState *dev, int instance_id,
+                                   const VMStateDescription *vmsd,
+                                   void *base, int alias_id,
+                                   int required_for_version);
 void vmstate_unregister(DeviceState *dev, const VMStateDescription *vmsd,
                         void *opaque);
 #endif

hw/mips.h

@@ -21,7 +21,7 @@ int g364fb_mm_init(target_phys_addr_t vram_base,
 void mipsnet_init(int base, qemu_irq irq, NICInfo *nd);
 
 /* jazz_led.c */
-extern void jazz_led_init(target_phys_addr_t base);
+void jazz_led_init(target_phys_addr_t base);
 
 /* rc4030.c */
 typedef struct rc4030DMAState *rc4030_dma;

hw/s390-virtio-bus.h

@@ -58,14 +58,12 @@ typedef struct VirtIOS390Bus {
 } VirtIOS390Bus;
 
 
-extern void s390_virtio_device_update_status(VirtIOS390Device *dev);
+void s390_virtio_device_update_status(VirtIOS390Device *dev);
 
-extern VirtIOS390Device *s390_virtio_bus_console(VirtIOS390Bus *bus);
-extern VirtIOS390Bus *s390_virtio_bus_init(ram_addr_t *ram_size);
+VirtIOS390Device *s390_virtio_bus_console(VirtIOS390Bus *bus);
+VirtIOS390Bus *s390_virtio_bus_init(ram_addr_t *ram_size);
 
-extern VirtIOS390Device *s390_virtio_bus_find_vring(VirtIOS390Bus *bus,
-                                                    ram_addr_t mem,
-                                                    int *vq_num);
-extern VirtIOS390Device *s390_virtio_bus_find_mem(VirtIOS390Bus *bus,
-                                                  ram_addr_t mem);
-extern void s390_virtio_device_sync(VirtIOS390Device *dev);
+VirtIOS390Device *s390_virtio_bus_find_vring(VirtIOS390Bus *bus,
+                                             ram_addr_t mem, int *vq_num);
+VirtIOS390Device *s390_virtio_bus_find_mem(VirtIOS390Bus *bus, ram_addr_t mem);
+void s390_virtio_device_sync(VirtIOS390Device *dev);

hw/virtio-9p-xattr.h

@@ -41,16 +41,15 @@ extern XattrOperations *mapped_xattr_ops[];
 extern XattrOperations *passthrough_xattr_ops[];
 extern XattrOperations *none_xattr_ops[];
 
-extern ssize_t v9fs_get_xattr(FsContext *ctx, const char *path,
-                              const char *name, void *value, size_t size);
-extern ssize_t v9fs_list_xattr(FsContext *ctx, const char *path,
-                               void *value, size_t vsize);
-extern int v9fs_set_xattr(FsContext *ctx, const char *path, const char *name,
+ssize_t v9fs_get_xattr(FsContext *ctx, const char *path, const char *name,
+                       void *value, size_t size);
+ssize_t v9fs_list_xattr(FsContext *ctx, const char *path, void *value,
+                        size_t vsize);
+int v9fs_set_xattr(FsContext *ctx, const char *path, const char *name,
                           void *value, size_t size, int flags);
-extern int v9fs_remove_xattr(FsContext *ctx,
-                             const char *path, const char *name);
-extern ssize_t pt_listxattr(FsContext *ctx, const char *path,
-                            char *name, void *value, size_t size);
+int v9fs_remove_xattr(FsContext *ctx, const char *path, const char *name);
+ssize_t pt_listxattr(FsContext *ctx, const char *path, char *name, void *value,
+                     size_t size);
 
 static inline ssize_t pt_getxattr(FsContext *ctx, const char *path,
                                   const char *name, void *value, size_t size)

hw/virtio-9p.h

@@ -495,8 +495,8 @@ typedef struct V9fsReadLinkState
     V9fsString target;
 } V9fsReadLinkState;
 
-extern size_t pdu_packunpack(void *addr, struct iovec *sg, int sg_count,
-                            size_t offset, size_t size, int pack);
+size_t pdu_packunpack(void *addr, struct iovec *sg, int sg_count,
+                      size_t offset, size_t size, int pack);
 
 static inline size_t do_pdu_unpack(void *dst, struct iovec *sg, int sg_count,
                         size_t offset, size_t size)

hw/watchdog.h

@@ -35,9 +35,9 @@ struct WatchdogTimerModel {
 typedef struct WatchdogTimerModel WatchdogTimerModel;
 
 /* in hw/watchdog.c */
-extern int select_watchdog(const char *p);
-extern int select_watchdog_action(const char *action);
-extern void watchdog_add_model(WatchdogTimerModel *model);
-extern void watchdog_perform_action(void);
+int select_watchdog(const char *p);
+int select_watchdog_action(const char *action);
+void watchdog_add_model(WatchdogTimerModel *model);
+void watchdog_perform_action(void);
 
 #endif /* QEMU_WATCHDOG_H */

linux-user/arm/nwfpe/fpa11.h

@@ -89,9 +89,9 @@ typedef struct tagFPA11 {
 
 extern FPA11* qemufpa;
 
-extern void resetFPA11(void);
-extern void SetRoundingMode(const unsigned int);
-extern void SetRoundingPrecision(const unsigned int);
+void resetFPA11(void);
+void SetRoundingMode(const unsigned int);
+void SetRoundingPrecision(const unsigned int);
 
 static inline unsigned int readRegister(unsigned int reg)
 {

linux-user/arm/nwfpe/fpopcode.h

@@ -384,7 +384,7 @@ static inline float32 getSingleConstant(const unsigned int nIndex)
    return float32Constant[nIndex];
 }
 
-extern unsigned int getRegisterCount(const unsigned int opcode);
-extern unsigned int getDestinationSize(const unsigned int opcode);
+unsigned int getRegisterCount(const unsigned int opcode);
+unsigned int getDestinationSize(const unsigned int opcode);
 
 #endif

qemu-common.h

@@ -90,7 +90,7 @@ typedef int (*fprintf_function)(FILE *f, const char *fmt, ...)
 #ifdef _WIN32
 #define fsync _commit
 #define lseek _lseeki64
-extern int qemu_ftruncate64(int, int64_t);
+int qemu_ftruncate64(int, int64_t);
 #define ftruncate qemu_ftruncate64
 
 static inline char *realpath(const char *path, char *resolved_path)

slirp/slirp.h

@@ -238,7 +238,7 @@ void if_start(struct ttys *);
 #endif
 
 #ifndef HAVE_STRERROR
- extern char *strerror(int error);
+ char *strerror(int error);
 #endif
 
 #ifndef HAVE_INDEX

target-s390x/cpu.h

@@ -105,9 +105,9 @@ int cpu_s390x_handle_mmu_fault (CPUS390XState *env, target_ulong address, int rw
 #define TARGET_VIRT_ADDR_SPACE_BITS 32
 
 #ifndef CONFIG_USER_ONLY
-extern int s390_virtio_hypercall(CPUState *env);
-extern void kvm_s390_virtio_irq(CPUState *env, int config_change, uint64_t token);
-extern CPUState *s390_cpu_addr2state(uint16_t cpu_addr);
+int s390_virtio_hypercall(CPUState *env);
+void kvm_s390_virtio_irq(CPUState *env, int config_change, uint64_t token);
+CPUState *s390_cpu_addr2state(uint16_t cpu_addr);
 #endif
 
 

tests/cris/sys.h

@@ -12,5 +12,5 @@
 
 #define mb() asm volatile ("" : : : "memory")
 
-extern void pass(void);
-extern void _fail(char *reason);
+void pass(void);
+void _fail(char *reason);

ui/cocoa.m

@@ -852,9 +852,9 @@ typedef struct CPSProcessSerNum
         UInt32                hi;
 } CPSProcessSerNum;
 
-extern OSErr    CPSGetCurrentProcess( CPSProcessSerNum *psn);
-extern OSErr    CPSEnableForegroundOperation( CPSProcessSerNum *psn, UInt32 _arg2, UInt32 _arg3, UInt32 _arg4, UInt32 _arg5);
-extern OSErr    CPSSetFrontProcess( CPSProcessSerNum *psn);
+OSErr CPSGetCurrentProcess( CPSProcessSerNum *psn);
+OSErr CPSEnableForegroundOperation( CPSProcessSerNum *psn, UInt32 _arg2, UInt32 _arg3, UInt32 _arg4, UInt32 _arg5);
+OSErr CPSSetFrontProcess( CPSProcessSerNum *psn);
 
 int main (int argc, const char * argv[]) {
 

ui/d3des.h

@@ -22,25 +22,25 @@
 #define EN0	0	/* MODE == encrypt */
 #define DE1	1	/* MODE == decrypt */
 
-extern void deskey(unsigned char *, int);
+void deskey(unsigned char *, int);
 /*		      hexkey[8]     MODE
  * Sets the internal key register according to the hexadecimal
  * key contained in the 8 bytes of hexkey, according to the DES,
  * for encryption or decryption according to MODE.
  */
 
-extern void usekey(unsigned long *);
+void usekey(unsigned long *);
 /*		    cookedkey[32]
  * Loads the internal key register with the data in cookedkey.
  */
 
-extern void cpkey(unsigned long *);
+void cpkey(unsigned long *);
 /*		   cookedkey[32]
  * Copies the contents of the internal key register into the storage
  * located at &cookedkey[0].
  */
 
-extern void des(unsigned char *, unsigned char *);
+void des(unsigned char *, unsigned char *);
 /*		    from[8]	      to[8]
  * Encrypts/Decrypts (according to the key currently loaded in the
  * internal key register) one block of eight bytes at address 'from'

ui/x_keymap.h

@@ -25,8 +25,8 @@
 #ifndef QEMU_X_KEYMAP_H
 #define QEMU_X_KEYMAP_H
 
-extern uint8_t translate_xfree86_keycode(const int key);
+uint8_t translate_xfree86_keycode(const int key);
 
-extern uint8_t translate_evdev_keycode(const int key);
+uint8_t translate_evdev_keycode(const int key);
 
 #endif