b7b8a0efc1
add a few buffer_init*_forread variants to pretend we have type safety make sure buffer_init_staticcontents handles flushing attempts
52 lines
1.0 KiB
C
52 lines
1.0 KiB
C
#include <libowfat/buffer.h>
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#include <errno.h>
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static ssize_t op(int fd,const void* buf,size_t l) {
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(void)fd;
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(void)buf;
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(void)l;
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errno=ENOENT;
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return 0;
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}
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void buffer_init_staticcontents(buffer* b, char* y, size_t len) {
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b->x=y;
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b->p=0; b->a=len; b->n=0;
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b->fd=-1;
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b->op.wop=op;
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b->deinit=0;
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}
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void buffer_init_staticcontents_forread(buffer* b, const char* y, size_t len) {
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b->x=(char*)y;
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b->p=0;
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b->a=b->n=len;
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b->fd=-1;
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b->op.wop=op;
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b->deinit=0;
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}
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#ifdef UNITTEST
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#include <assert.h>
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#undef UNITTEST
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#include "byte/byte_copy.c"
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#include "buffer/buffer_get.c"
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#include "buffer/buffer_put.c"
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#include "buffer/buffer_stubborn.c"
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#include "buffer/buffer_stubborn2.c"
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#include "buffer/buffer_flush.c"
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#include "buffer/buffer_feed.c"
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int main() {
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buffer b;
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buffer_init_staticcontents_forread(&b, "fnord", 5);
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char tmp[6];
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assert(buffer_get(&b, tmp, 6) == 5);
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assert(!memcmp(tmp,"fnord",5));
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buffer_init_staticcontents(&b, tmp, sizeof tmp);
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buffer_puts(&b, "foo\n");
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assert(!memcmp(tmp, "foo\n", 4));
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}
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#endif
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