43 lines
762 B
C
43 lines
762 B
C
#include <ivy/file.h>
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#include <stdlib.h>
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#include <string.h>
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static enum ivy_status file_readline(
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struct ivy_line_source *src, char *buf, size_t count, size_t *nr_read,
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const char *prompt)
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{
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if (!count) {
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*nr_read = 0;
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return IVY_OK;
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}
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struct ivy_file *f = (struct ivy_file *)src;
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if (!fgets(buf, (int)count, f->f_fp)) {
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return feof(f->f_fp) ? IVY_ERR_EOF : IVY_ERR_IO_FAILURE;
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}
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*nr_read = strlen(buf);
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return IVY_OK;
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}
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struct ivy_file *ivy_file_from_fp(FILE *fp)
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{
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struct ivy_file *file = malloc(sizeof *file);
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if (!file) {
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return NULL;
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}
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memset(file, 0x0, sizeof *file);
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file->f_fp = fp;
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file->f_base.s_readline = file_readline;
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return file;
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}
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void ivy_file_close(struct ivy_file *file)
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{
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fclose(file->f_fp);
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free(file);
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}
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