X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;ds=inline;f=lib%2Flib.h;h=c2ec50b03d8516ca8f004ec5922a03e9c7a1b51d;hb=5d26aed3953fe00d6d394f9767b4a029406eeeea;hp=923afca5622d349a258f82b08b359e6c0a3171b6;hpb=7093c3275e649ae60935fe07bb6b44398b3ca4c0;p=libucw.git diff --git a/lib/lib.h b/lib/lib.h index 923afca5..c2ec50b0 100644 --- a/lib/lib.h +++ b/lib/lib.h @@ -17,6 +17,7 @@ #define _SHERLOCK_LIB_H #include "lib/config.h" +#include /* Tell libc we're going to use all extensions available */ @@ -39,6 +40,8 @@ #define STRINGIFY(x) #x #define GLUE(x,y) x##y #define GLUE_(x,y) x##_##y +#define COMPARE(x,y) do { if ((x)<(y)) return -1; if ((x)>(y)) return 1; } while(0) +#define REV_COMPARE(x,y) COMPARE(y,x) /* Logging */ @@ -52,30 +55,48 @@ #define L_FATAL '!' /* die() */ extern char *log_title; /* NULL - print no title, default is log_progname */ +extern char *log_filename; /* Expanded name of the current log file */ +extern int log_switch_nest; /* log_switch() nesting counter, increment to disable automatic switches */ +extern int log_pid; /* 0 if shouldn't be logged */ +extern void (*log_die_hook)(void); +struct tm; +extern void (*log_switch_hook)(struct tm *tm); void log_msg(unsigned int cat, const char *msg, ...) __attribute__((format(printf,2,3))); #define log log_msg +void vlog_msg(unsigned int cat, const char *msg, va_list args); void die(byte *, ...) NONRET; -void log_init(byte *); -void log_file(byte *); +void log_init(byte *argv0); +void log_file(byte *name); void log_fork(void); +void log_switch(void); -#ifdef DEBUG void assert_failed(char *assertion, char *file, int line) NONRET; +void assert_failed_noinfo(void) NONRET; + +#ifdef DEBUG_ASSERTS #define ASSERT(x) do { if (unlikely(!(x))) assert_failed(#x, __FILE__, __LINE__); } while(0) #else -void assert_failed(void) NONRET; -#define ASSERT(x) do { if (__builtin_constant_p(x) && !(x)) assert_failed(); } while(0) +#define ASSERT(x) do { if (__builtin_constant_p(x) && !(x)) assert_failed_noinfo(); } while(0) #endif +#define COMPILE_ASSERT(name,x) typedef char _COMPILE_ASSERT_##name[!!(x)-1] + #ifdef LOCAL_DEBUG #define DBG(x,y...) log(L_DEBUG, x,##y) #else #define DBG(x,y...) do { } while(0) #endif +static inline void log_switch_disable(void) { log_switch_nest++; } +static inline void log_switch_enable(void) { ASSERT(log_switch_nest); log_switch_nest--; } + /* Memory allocation */ +#define xmalloc sh_xmalloc +#define xrealloc sh_xrealloc +#define xfree sh_xfree + #ifdef DEBUG_DMALLOC /* * The standard dmalloc macros tend to produce lots of namespace @@ -84,23 +105,22 @@ void assert_failed(void) NONRET; */ #define DMALLOC_DISABLE #include -#define xmalloc(size) _xmalloc_leap(__FILE__, __LINE__, size) -#define xrealloc(ptr,size) _xrealloc_leap(__FILE__, __LINE__, ptr, size) -#define xfree(ptr) _xfree_leap(__FILE__, __LINE__, ptr) +#define sh_xmalloc(size) _xmalloc_leap(__FILE__, __LINE__, size) +#define sh_xrealloc(ptr,size) _xrealloc_leap(__FILE__, __LINE__, ptr, size) +#define sh_xfree(ptr) _xfree_leap(__FILE__, __LINE__, ptr) #else /* * Unfortunately, several libraries we might want to link to define * their own xmalloc and we don't want to interfere with them, hence * the renaming. */ -#define xmalloc sh_xmalloc void *xmalloc(unsigned); void *xrealloc(void *, unsigned); -#define xfree(x) free(x) +#define sh_xfree(x) free(x) #endif void *xmalloc_zero(unsigned); -byte *stralloc(byte *); +byte *xstrdup(byte *); /* Content-Type pattern matching and filters */ @@ -112,6 +132,7 @@ int fls(u32); /* wordsplit.c */ +int sepsplit(byte *str, byte sep, byte **rec, uns max); int wordsplit(byte *, byte **, uns); /* pat(i)match.c: Matching of shell patterns */ @@ -172,4 +193,37 @@ void setproctitle(char *msg, ...) __attribute__((format(printf,1,2))); void randomkey(byte *buf, uns size); +/* exitstatus.c */ + +#define EXIT_STATUS_MSG_SIZE 32 +int format_exit_status(byte *msg, int stat); + +/* runcmd.c */ + +int run_command(byte *cmd, ...); +void NONRET exec_command(byte *cmd, ...); +void echo_command(byte *buf, int size, byte *cmd, ...); +int run_command_v(byte *cmd, va_list args); +void NONRET exec_command_v(byte *cmd, va_list args); +void echo_command_v(byte *buf, int size, byte *cmd, va_list args); + +/* carefulio.c */ + +int careful_read(int fd, void *buf, int len); +int careful_write(int fd, void *buf, int len); + +/* sync.c */ + +void sync_dir(byte *name); + +/* sighandler.c */ + +typedef int (*sh_sighandler_t)(int); + /* obtains signum, returns nonzero if abort() should be called */ +extern sh_sighandler_t signal_handler[]; + +struct sigaction; +void handle_signal(int signum, struct sigaction *oldact); +void unhandle_signal(int signum, struct sigaction *oldact); + #endif