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| author | cathook <cat.hook31894@gmail.com> | 2013-11-26 00:02:50 +0800 |
|---|---|---|
| committer | cathook <cat.hook31894@gmail.com> | 2013-11-26 00:02:50 +0800 |
| commit | c165b1464abc76e747ea0b6e3f2a7cd27aac0a5d (patch) | |
| tree | 241bfe3f4f0bb1f79e96368c62d0155224804464 | |
| parent | 24ec80854b0145eac5f6401ca34ee82121468064 (diff) | |
| download | ctl-c165b1464abc76e747ea0b6e3f2a7cd27aac0a5d.tar.gz ctl-c165b1464abc76e747ea0b6e3f2a7cd27aac0a5d.tar.zst ctl-c165b1464abc76e747ea0b6e3f2a7cd27aac0a5d.zip | |
add ctl_free function
| -rw-r--r-- | include/utility.h | 8 | ||||
| -rw-r--r-- | src/utility.c | 6 |
2 files changed, 11 insertions, 3 deletions
diff --git a/include/utility.h b/include/utility.h index 2e4330d..f51a646 100644 --- a/include/utility.h +++ b/include/utility.h @@ -33,6 +33,7 @@ /* Functions: */ /* ctl_malloc like malloc(), but will exit on error */ /* ctl_realloc like realloc(), but will exit on erro */ +/* ctl_free like free(), but will return NULL */ /* ctl_die print some message and exit() */ /* ctl_swap swap two elements with given type */ /* */ @@ -43,11 +44,11 @@ typedef enum{ } ErrorType; // int -typedef *int pint; +typedef int* pint; typedef unsigned int uint; typedef uint* puint; typedef const int cint; -typedef *cint pcint; +typedef cint* pcint; typedef const uint cuint; typedef cuint* pcuint; #define Int(X) (( int)(X)) @@ -98,7 +99,8 @@ typedef pcuchar* ppcuchar; #define ppcuChar(X) ((ppcuchar)(X)) pvoid ctl_malloc (size_t size); -pvoid ctl_realloc(pvoid *ptr, size_t size); +pvoid ctl_realloc(pvoid ptr, size_t size); +pvoid ctl_free (pvoid ptr); void ctl_die (ErrorType e); #define ctl_swap(X,Y,Z) do{X zzzztmp=(Y);(Y)=(Z);(Z)=zzzztmp;}while(0) diff --git a/src/utility.c b/src/utility.c index bcc2500..7287908 100644 --- a/src/utility.c +++ b/src/utility.c @@ -22,6 +22,12 @@ pvoid ctl_realloc(pvoid ptr, size_t size){ return ptr; } +/*********** like free(), but will return NULL ************/ +pvoid ctl_free(pvoid ptr){ + free(ptr); + return NULL; +} + /********* print some message on STDERR and exit() ********/ void ctl_die(ErrorType e){ fprintf(stderr, "exit(%d): ", (int)e); |