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author | dkf <donal.k.fellows@manchester.ac.uk> | 2005-11-01 15:30:52 (GMT) |
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committer | dkf <donal.k.fellows@manchester.ac.uk> | 2005-11-01 15:30:52 (GMT) |
commit | 2998dff7d6013d8de26a9f995195109ccdfb7fe8 (patch) | |
tree | 5ba6f151c506b01e44fe93c528465126f2ab35d5 /generic/tclCkalloc.c | |
parent | 2df2847723320a5dade13d3ae8133d879725a887 (diff) | |
download | tcl-2998dff7d6013d8de26a9f995195109ccdfb7fe8.zip tcl-2998dff7d6013d8de26a9f995195109ccdfb7fe8.tar.gz tcl-2998dff7d6013d8de26a9f995195109ccdfb7fe8.tar.bz2 |
ANSIfy. Also converted some deeply nested code to a less nested form for easier reading.
Diffstat (limited to 'generic/tclCkalloc.c')
-rw-r--r-- | generic/tclCkalloc.c | 292 |
1 files changed, 145 insertions, 147 deletions
diff --git a/generic/tclCkalloc.c b/generic/tclCkalloc.c index e3eea4e..d04b45a 100644 --- a/generic/tclCkalloc.c +++ b/generic/tclCkalloc.c @@ -14,7 +14,7 @@ * * This code contributed by Karl Lehenbauer and Mark Diekhans * - * RCS: @(#) $Id: tclCkalloc.c,v 1.25 2005/09/15 16:40:02 dgp Exp $ + * RCS: @(#) $Id: tclCkalloc.c,v 1.26 2005/11/01 15:30:52 dkf Exp $ */ #include "tclInt.h" @@ -33,7 +33,7 @@ typedef struct MemTag { int refCount; /* Number of mem_headers referencing this * tag. */ char string[4]; /* Actual size of string will be as large as - * needed for actual tag. This must be the + * needed for actual tag. This must be the * last field in the structure. */ } MemTag; @@ -78,7 +78,7 @@ static struct mem_header *allocHead = NULL; /* List of allocated structures */ /* * The following macro computes the offset of the "body" field within - * mem_header. It is used to get back to the header pointer from the body + * mem_header. It is used to get back to the header pointer from the body * pointer that's used by clients. */ @@ -93,17 +93,17 @@ static int current_malloc_packets = 0; static int maximum_malloc_packets = 0; static int break_on_malloc = 0; static int trace_on_at_malloc = 0; -static int alloc_tracing = FALSE; -static int init_malloced_bodies = TRUE; +static int alloc_tracing = FALSE; +static int init_malloced_bodies = TRUE; #ifdef MEM_VALIDATE - static int validate_memory = TRUE; +static int validate_memory = TRUE; #else - static int validate_memory = FALSE; +static int validate_memory = FALSE; #endif /* * The following variable indicates to TclFinalizeMemorySubsystem() that it - * should dump out the state of memory before exiting. If the value is + * should dump out the state of memory before exiting. If the value is * non-NULL, it gives the name of the file in which to dump memory usage * information. */ @@ -115,8 +115,8 @@ static char dumpFile[100]; /* Records where to dump memory allocation * information. */ /* - * Mutex to serialize allocations. This is a low-level mutex that must be - * explicitly initialized. This is necessary because the self initializing + * Mutex to serialize allocations. This is a low-level mutex that must be + * explicitly initialized. This is necessary because the self initializing * mutexes use ckalloc... */ @@ -127,20 +127,19 @@ static int ckallocInit = 0; * Prototypes for procedures defined in this file: */ -static int CheckmemCmd _ANSI_ARGS_((ClientData clientData, - Tcl_Interp *interp, int argc, CONST char *argv[])); -static int MemoryCmd _ANSI_ARGS_((ClientData clientData, - Tcl_Interp *interp, int argc, CONST char **argv)); -static void ValidateMemory _ANSI_ARGS_(( - struct mem_header *memHeaderP, CONST char *file, - int line, int nukeGuards)); +static int CheckmemCmd(ClientData clientData, Tcl_Interp *interp, + int argc, CONST char *argv[]); +static int MemoryCmd(ClientData clientData, Tcl_Interp *interp, + int argc, CONST char *argv[]); +static void ValidateMemory(struct mem_header *memHeaderP, + CONST char *file, int line, int nukeGuards); /* *---------------------------------------------------------------------- * * TclInitDbCkalloc -- * - * Initialize the locks used by the allocator. This is only appropriate + * Initialize the locks used by the allocator. This is only appropriate * to call in a single threaded environment, such as during * TclInitSubsystems. * @@ -148,7 +147,7 @@ static void ValidateMemory _ANSI_ARGS_(( */ void -TclInitDbCkalloc() +TclInitDbCkalloc(void) { if (!ckallocInit) { ckallocInit = 1; @@ -167,8 +166,8 @@ TclInitDbCkalloc() */ void -TclDumpMemoryInfo(outFile) - FILE *outFile; +TclDumpMemoryInfo( + FILE *outFile) { fprintf(outFile,"total mallocs %10d\n", total_mallocs); @@ -202,15 +201,16 @@ TclDumpMemoryInfo(outFile) */ static void -ValidateMemory(memHeaderP, file, line, nukeGuards) - struct mem_header *memHeaderP; /* Memory chunk to validate */ - CONST char *file; /* File containing the call to - * Tcl_ValidateAllMemory */ - int line; /* Line number of call to - * Tcl_ValidateAllMemory */ - int nukeGuards; /* If non-zero, indicates that the - * memory guards are to be reset to 0 - * after they have been printed */ +ValidateMemory( + struct mem_header *memHeaderP, + /* Memory chunk to validate */ + CONST char *file, /* File containing the call to + * Tcl_ValidateAllMemory */ + int line, /* Line number of call to + * Tcl_ValidateAllMemory */ + int nukeGuards) /* If non-zero, indicates that the memory + * guards are to be reset to 0 after they have + * been printed */ { unsigned char *hiPtr; int idx; @@ -231,7 +231,7 @@ ValidateMemory(memHeaderP, file, line, nukeGuards) TclDumpMemoryInfo (stderr); fprintf(stderr, "low guard failed at %lx, %s %d\n", (long unsigned int) memHeaderP->body, file, line); - fflush(stderr); /* In case name pointer is bad. */ + fflush(stderr); /* In case name pointer is bad. */ fprintf(stderr, "%ld bytes allocated at (%s %d)\n", memHeaderP->length, memHeaderP->file, memHeaderP->line); Tcl_Panic("Memory validation failure"); @@ -253,7 +253,7 @@ ValidateMemory(memHeaderP, file, line, nukeGuards) TclDumpMemoryInfo(stderr); fprintf(stderr, "high guard failed at %lx, %s %d\n", (long unsigned int) memHeaderP->body, file, line); - fflush(stderr); /* In case name pointer is bad. */ + fflush(stderr); /* In case name pointer is bad. */ fprintf(stderr, "%ld bytes allocated at (%s %d)\n", memHeaderP->length, memHeaderP->file, memHeaderP->line); @@ -284,10 +284,10 @@ ValidateMemory(memHeaderP, file, line, nukeGuards) */ void -Tcl_ValidateAllMemory(file, line) - CONST char *file; /* File from which Tcl_ValidateAllMemory was +Tcl_ValidateAllMemory( + CONST char *file, /* File from which Tcl_ValidateAllMemory was * called. */ - int line; /* Line number of call to + int line) /* Line number of call to * Tcl_ValidateAllMemory */ { struct mem_header *memScanP; @@ -318,8 +318,8 @@ Tcl_ValidateAllMemory(file, line) */ int -Tcl_DumpActiveMemory (fileName) - CONST char *fileName; /* Name of the file to write info to */ +Tcl_DumpActiveMemory( + CONST char *fileName) /* Name of the file to write info to */ { FILE *fileP; struct mem_header *memScanP; @@ -371,10 +371,10 @@ Tcl_DumpActiveMemory (fileName) */ char * -Tcl_DbCkalloc(size, file, line) - unsigned int size; - CONST char *file; - int line; +Tcl_DbCkalloc( + unsigned int size, + CONST char *file, + int line) { struct mem_header *result; @@ -460,12 +460,12 @@ Tcl_DbCkalloc(size, file, line) return result->body; } - + char * -Tcl_AttemptDbCkalloc(size, file, line) - unsigned int size; - CONST char *file; - int line; +Tcl_AttemptDbCkalloc( + unsigned int size, + CONST char *file, + int line) { struct mem_header *result; @@ -570,10 +570,10 @@ Tcl_AttemptDbCkalloc(size, file, line) */ int -Tcl_DbCkfree(ptr, file, line) - char *ptr; - CONST char *file; - int line; +Tcl_DbCkfree( + char *ptr, + CONST char *file, + int line) { struct mem_header *memp; @@ -650,11 +650,11 @@ Tcl_DbCkfree(ptr, file, line) */ char * -Tcl_DbCkrealloc(ptr, size, file, line) - char *ptr; - unsigned int size; - CONST char *file; - int line; +Tcl_DbCkrealloc( + char *ptr, + unsigned int size, + CONST char *file, + int line) { char *new; unsigned int copySize; @@ -679,13 +679,13 @@ Tcl_DbCkrealloc(ptr, size, file, line) Tcl_DbCkfree(ptr, file, line); return new; } - + char * -Tcl_AttemptDbCkrealloc(ptr, size, file, line) - char *ptr; - unsigned int size; - CONST char *file; - int line; +Tcl_AttemptDbCkrealloc( + char *ptr, + unsigned int size, + CONST char *file, + int line) { char *new; unsigned int copySize; @@ -739,37 +739,37 @@ Tcl_AttemptDbCkrealloc(ptr, size, file, line) #undef Tcl_AttemptRealloc char * -Tcl_Alloc(size) - unsigned int size; +Tcl_Alloc( + unsigned int size) { return Tcl_DbCkalloc(size, "unknown", 0); } char * -Tcl_AttemptAlloc(size) - unsigned int size; +Tcl_AttemptAlloc( + unsigned int size) { return Tcl_AttemptDbCkalloc(size, "unknown", 0); } void -Tcl_Free(ptr) - char *ptr; +Tcl_Free( + char *ptr) { Tcl_DbCkfree(ptr, "unknown", 0); } char * -Tcl_Realloc(ptr, size) - char *ptr; - unsigned int size; +Tcl_Realloc( + char *ptr, + unsigned int size) { return Tcl_DbCkrealloc(ptr, size, "unknown", 0); } char * -Tcl_AttemptRealloc(ptr, size) - char *ptr; - unsigned int size; +Tcl_AttemptRealloc( + char *ptr, + unsigned int size) { return Tcl_AttemptDbCkrealloc(ptr, size, "unknown", 0); } @@ -798,26 +798,26 @@ Tcl_AttemptRealloc(ptr, size) */ /* ARGSUSED */ static int -MemoryCmd(clientData, interp, argc, argv) - ClientData clientData; - Tcl_Interp *interp; - int argc; - CONST char **argv; +MemoryCmd( + ClientData clientData, + Tcl_Interp *interp, + int argc, + CONST char *argv[]) { CONST char *fileName; Tcl_DString buffer; int result; if (argc < 2) { - Tcl_AppendResult(interp, "wrong # args: should be \"", - argv[0], " option [args..]\"", (char *) NULL); + Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], + " option [args..]\"", NULL); return TCL_ERROR; } if ((strcmp(argv[1],"active") == 0) || (strcmp(argv[1],"display") == 0)) { if (argc != 3) { - Tcl_AppendResult(interp, "wrong # args: should be \"", - argv[0], " ", argv[1], " file\"", (char *) NULL); + Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], + " ", argv[1], " file\"", NULL); return TCL_ERROR; } fileName = Tcl_TranslateFileName(interp, argv[2], &buffer); @@ -827,8 +827,7 @@ MemoryCmd(clientData, interp, argc, argv) result = Tcl_DumpActiveMemory (fileName); Tcl_DStringFree(&buffer); if (result != TCL_OK) { - Tcl_AppendResult(interp, "error accessing ", argv[2], - (char *) NULL); + Tcl_AppendResult(interp, "error accessing ", argv[2], NULL); return TCL_ERROR; } return TCL_OK; @@ -862,8 +861,8 @@ MemoryCmd(clientData, interp, argc, argv) } if (strcmp(argv[1],"onexit") == 0) { if (argc != 3) { - Tcl_AppendResult(interp, "wrong # args: should be \"", - argv[0], " onexit file\"", (char *) NULL); + Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], + " onexit file\"", NULL); return TCL_ERROR; } fileName = Tcl_TranslateFileName(interp, argv[2], &buffer); @@ -878,7 +877,7 @@ MemoryCmd(clientData, interp, argc, argv) if (strcmp(argv[1],"tag") == 0) { if (argc != 3) { Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], - " tag string\"", (char *) NULL); + " tag string\"", NULL); return TCL_ERROR; } if ((curTagPtr != NULL) && (curTagPtr->refCount == 0)) { @@ -916,17 +915,17 @@ MemoryCmd(clientData, interp, argc, argv) Tcl_AppendResult(interp, "bad option \"", argv[1], "\": should be active, break_on_malloc, info, init, onexit, ", - "tag, trace, trace_on_at_malloc, or validate", (char *) NULL); + "tag, trace, trace_on_at_malloc, or validate", NULL); return TCL_ERROR; argError: Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], - " ", argv[1], " count\"", (char *) NULL); + " ", argv[1], " count\"", NULL); return TCL_ERROR; bad_suboption: Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], - " ", argv[1], " on|off\"", (char *) NULL); + " ", argv[1], " on|off\"", NULL); return TCL_ERROR; } @@ -949,15 +948,15 @@ MemoryCmd(clientData, interp, argc, argv) */ static int -CheckmemCmd(clientData, interp, argc, argv) - ClientData clientData; /* Not used. */ - Tcl_Interp *interp; /* Interpreter for evaluation. */ - int argc; /* Number of arguments. */ - CONST char *argv[]; /* String values of arguments. */ +CheckmemCmd( + ClientData clientData, /* Not used. */ + Tcl_Interp *interp, /* Interpreter for evaluation. */ + int argc, /* Number of arguments. */ + CONST char *argv[]) /* String values of arguments. */ { if (argc != 2) { Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], - " fileName\"", (char *) NULL); + " fileName\"", NULL); return TCL_ERROR; } tclMemDumpFileName = dumpFile; @@ -982,14 +981,13 @@ CheckmemCmd(clientData, interp, argc, argv) */ void -Tcl_InitMemory(interp) - Tcl_Interp *interp; /* Interpreter in which commands should be added */ +Tcl_InitMemory( + Tcl_Interp *interp) /* Interpreter in which commands should be + * added */ { TclInitDbCkalloc(); - Tcl_CreateCommand(interp, "memory", MemoryCmd, (ClientData) NULL, - (Tcl_CmdDeleteProc *) NULL); - Tcl_CreateCommand(interp, "checkmem", CheckmemCmd, (ClientData) 0, - (Tcl_CmdDeleteProc *) NULL); + Tcl_CreateCommand(interp, "memory", MemoryCmd, (ClientData) NULL, NULL); + Tcl_CreateCommand(interp, "checkmem", CheckmemCmd, (ClientData) 0, NULL); } @@ -1014,8 +1012,8 @@ Tcl_InitMemory(interp) */ char * -Tcl_Alloc(size) - unsigned int size; +Tcl_Alloc( + unsigned int size) { char *result; @@ -1023,7 +1021,7 @@ Tcl_Alloc(size) /* * Most systems will not alloc(0), instead bumping it to one so that NULL - * isn't returned. Some systems (AIX, Tru64) will alloc(0) by returning + * isn't returned. Some systems (AIX, Tru64) will alloc(0) by returning * NULL, so we have to check that the NULL we get is not in response to * alloc(0). * @@ -1038,10 +1036,10 @@ Tcl_Alloc(size) } char * -Tcl_DbCkalloc(size, file, line) - unsigned int size; - CONST char *file; - int line; +Tcl_DbCkalloc( + unsigned int size, + CONST char *file, + int line) { char *result; @@ -1066,8 +1064,8 @@ Tcl_DbCkalloc(size, file, line) */ char * -Tcl_AttemptAlloc(size) - unsigned int size; +Tcl_AttemptAlloc( + unsigned int size) { char *result; @@ -1076,10 +1074,10 @@ Tcl_AttemptAlloc(size) } char * -Tcl_AttemptDbCkalloc(size, file, line) - unsigned int size; - CONST char *file; - int line; +Tcl_AttemptDbCkalloc( + unsigned int size, + CONST char *file, + int line) { char *result; @@ -1099,9 +1097,9 @@ Tcl_AttemptDbCkalloc(size, file, line) */ char * -Tcl_Realloc(ptr, size) - char *ptr; - unsigned int size; +Tcl_Realloc( + char *ptr, + unsigned int size) { char *result; @@ -1114,11 +1112,11 @@ Tcl_Realloc(ptr, size) } char * -Tcl_DbCkrealloc(ptr, size, file, line) - char *ptr; - unsigned int size; - CONST char *file; - int line; +Tcl_DbCkrealloc( + char *ptr, + unsigned int size, + CONST char *file, + int line) { char *result; @@ -1143,9 +1141,9 @@ Tcl_DbCkrealloc(ptr, size, file, line) */ char * -Tcl_AttemptRealloc(ptr, size) - char *ptr; - unsigned int size; +Tcl_AttemptRealloc( + char *ptr, + unsigned int size) { char *result; @@ -1154,11 +1152,11 @@ Tcl_AttemptRealloc(ptr, size) } char * -Tcl_AttemptDbCkrealloc(ptr, size, file, line) - char *ptr; - unsigned int size; - CONST char *file; - int line; +Tcl_AttemptDbCkrealloc( + char *ptr, + unsigned int size, + CONST char *file, + int line) { char *result; @@ -1179,17 +1177,17 @@ Tcl_AttemptDbCkrealloc(ptr, size, file, line) */ void -Tcl_Free(ptr) - char *ptr; +Tcl_Free( + char *ptr) { TclpFree(ptr); } int -Tcl_DbCkfree(ptr, file, line) - char *ptr; - CONST char *file; - int line; +Tcl_DbCkfree( + char *ptr, + CONST char *file, + int line) { TclpFree(ptr); return 0; @@ -1207,28 +1205,28 @@ Tcl_DbCkfree(ptr, file, line) */ /* ARGSUSED */ void -Tcl_InitMemory(interp) - Tcl_Interp *interp; +Tcl_InitMemory( + Tcl_Interp *interp) { } int -Tcl_DumpActiveMemory(fileName) - CONST char *fileName; +Tcl_DumpActiveMemory( + CONST char *fileName) { return TCL_OK; } void -Tcl_ValidateAllMemory(file, line) - CONST char *file; - int line; +Tcl_ValidateAllMemory( + CONST char *file, + int line) { } void -TclDumpMemoryInfo(outFile) - FILE *outFile; +TclDumpMemoryInfo( + FILE *outFile) { } @@ -1254,7 +1252,7 @@ TclDumpMemoryInfo(outFile) */ void -TclFinalizeMemorySubsystem() +TclFinalizeMemorySubsystem(void) { #ifdef TCL_MEM_DEBUG if (tclMemDumpFileName != NULL) { |