wsfalloc.c File Reference

#include "wsint.h"

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Functions
WsFastMalloc *	ws_f_create (size_t block_size)
void	ws_f_destroy (WsFastMalloc *pool)
void *	ws_f_malloc (WsFastMalloc *pool, size_t size)
void *	ws_f_calloc (WsFastMalloc *pool, size_t num, size_t size)
void *	ws_f_memdup (WsFastMalloc *pool, const void *ptr, size_t size)
void *	ws_f_strdup (WsFastMalloc *pool, const char *str)

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Function Documentation

void* ws_f_calloc (  WsFastMalloc *  pool, size_t  num, size_t  size )

Definition at line 150 of file wsfalloc.c. References size, ws_f_malloc(), and WsFastMalloc. Referenced by expr_alloc(), stmt_alloc(), ws_list_append(), ws_list_new(), and ws_stmt_linearize(). { void *p = ws_f_malloc(pool, num * size); if (p == NULL) return p; memset(p, 0, num * size); return p; }

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WsFastMalloc* ws_f_create (  size_t  block_size  )

Definition at line 74 of file wsfalloc.c. References WsFastMallocRec::block_size, ws_calloc(), and WsFastMalloc. Referenced by compile_stream(). { WsFastMalloc *pool = ws_calloc(1, sizeof(WsFastMalloc)); if (pool == NULL) return NULL; pool->block_size = block_size; return pool; }

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void ws_f_destroy (  WsFastMalloc *  pool  )

Definition at line 87 of file wsfalloc.c. References WsFastMallocRec::blocks, WsFastMallocBlockRec::next, ws_free(), WsFastMalloc, and WsFastMallocBlock. Referenced by compile_stream(). { WsFastMallocBlock *b, *bnext; if (pool == NULL) return; for (b = pool->blocks; b; b = bnext) { bnext = b->next; ws_free(b); } ws_free(pool); }

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void* ws_f_malloc (  WsFastMalloc *  pool, size_t  size )

Definition at line 102 of file wsfalloc.c. References WsFastMallocRec::block_size, WsFastMallocRec::blocks, WsFastMallocBlockRec::next, WsFastMallocRec::ptr, result, size, WsFastMallocRec::size, WsFastMallocRec::user_bytes_allocated, ws_malloc(), WsFastMalloc, and WsFastMallocBlock. Referenced by ws_f_calloc(), ws_f_memdup(), ws_f_strdup(), ws_formal_parameter(), and ws_variable_declaration(). { unsigned char *result; /* Keep the blocks aligned, because this function is used to allocate * space for structures containing longs and such. */ if (size % sizeof(long) != 0) { size += sizeof(long) - (size % sizeof(long)); } if (pool->size < size) { size_t alloc_size; WsFastMallocBlock *b; /* Must allocate a fresh block. */ alloc_size = pool->block_size; if (alloc_size < size) alloc_size = size; /* Allocate the block and remember to add the header size. */ b = ws_malloc(alloc_size + sizeof(WsFastMallocBlock)); if (b == NULL) /* No memory available. */ return NULL; /* Add this block to the memory pool. */ b->next = pool->blocks; pool->blocks = b; pool->ptr = ((unsigned char *) b) + sizeof(WsFastMallocBlock); pool->size = alloc_size; } /* Now we can allocate `size' bytes of data from this pool. */ result = pool->ptr; pool->ptr += size; pool->size -= size; pool->user_bytes_allocated += size; return result; }

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void* ws_f_memdup (  WsFastMalloc *  pool, const void *  ptr, size_t  size )

Definition at line 163 of file wsfalloc.c. References d, size, ws_f_malloc(), and WsFastMalloc. Referenced by ws_expr_const_string(). { unsigned char *d = ws_f_malloc(pool, size + 1); if (d == NULL) return NULL; memcpy(d, ptr, size); d[size] = '\0'; return d; }

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void* ws_f_strdup (  WsFastMalloc *  pool, const char *  str )

Definition at line 177 of file wsfalloc.c. References ws_f_malloc(), and WsFastMalloc. Referenced by ws_expr_assign(), ws_expr_call(), ws_expr_postfix_var(), ws_expr_symbol(), ws_expr_unary_var(), and yyparse(). { size_t len; char *s; if (str == NULL) return NULL; len = strlen(str) + 1; s = ws_f_malloc(pool, len); if (s == NULL) return NULL; memcpy(s, str, len); return s; }

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