From 56f8c953dd609bc5c94011fe4acdd9ef6b875747 Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Sat, 19 Jun 2004 01:01:09 +0000 Subject: some more work on the cli git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@24 fefdeb5f-60dc-0310-8127-8f9354f1896f --- src/dynarray.c | 73 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 73 insertions(+) create mode 100644 src/dynarray.c (limited to 'src/dynarray.c') diff --git a/src/dynarray.c b/src/dynarray.c new file mode 100644 index 00000000..9a7060ee --- /dev/null +++ b/src/dynarray.c @@ -0,0 +1,73 @@ +#include +#include +#include + +#include "dynarray.h" + +struct dynarray { + void **data; + unsigned n_allocated, n_entries; +}; + +struct dynarray* dynarray_new(void) { + struct dynarray *a; + a = malloc(sizeof(struct dynarray)); + assert(a); + a->data = NULL; + a->n_entries = 0; + a->n_allocated = 0; + return a; +} + +void dynarray_free(struct dynarray* a, void (*func)(void *p, void *userdata), void *userdata) { + unsigned i; + assert(a); + + if (func) + for (i = 0; i < a->n_entries; i++) + if (a->data[i]) + func(a->data[i], userdata); + + free(a->data); + free(a); +} + +void dynarray_put(struct dynarray*a, unsigned i, void *p) { + assert(a); + + if (i >= a->n_allocated) { + unsigned n; + + if (!p) + return; + + n = i+100; + a->data = realloc(a->data, sizeof(void*)*n); + memset(a->data+a->n_allocated, 0, sizeof(void*)*(n-a->n_allocated)); + a->n_allocated = n; + } + + a->data[i] = p; + + if (i >= a->n_entries) + a->n_entries = i+1; +} + +unsigned dynarray_append(struct dynarray*a, void *p) { + unsigned i = a->n_entries; + dynarray_put(a, i, p); + return i; +} + +void *dynarray_get(struct dynarray*a, unsigned i) { + assert(a); + if (i >= a->n_allocated) + return NULL; + assert(a->data); + return a->data[i]; +} + +unsigned dynarray_ncontents(struct dynarray*a) { + assert(a); + return a->n_entries; +} -- cgit