Mercurial > hg > th-libs

comparison th_ioctx.c @ 204:55f429dff750

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Add th_io_fopen() helper function.
author Matti Hamalainen <ccr@tnsp.org>
date Thu, 11 Feb 2016 23:14:54 +0200
parents b392293047da
children c2193323736d
comparison
equal deleted inserted replaced
203:7acdd3ab6900 204:55f429dff750
26 int th_io_open(th_ioctx *ctx, const char *filename, const char *mode) 26 int th_io_open(th_ioctx *ctx, const char *filename, const char *mode)
27 { 27 {
28 if (ctx == NULL) 28 if (ctx == NULL)
29 return THERR_NULLPTR; 29 return THERR_NULLPTR;
30 30
31 th_free_r(&ctx->filename);
32 th_free_r(&ctx->mode);
33
34 ctx->filename = th_strdup(filename); 31 ctx->filename = th_strdup(filename);
35 ctx->mode = th_strdup(mode); 32 ctx->mode = th_strdup(mode);
36 33
37 if (ctx->fops->fopen != NULL) 34 if (ctx->fops->fopen != NULL)
38 ctx->errno = ctx->fops->fopen(ctx); 35 ctx->errno = ctx->fops->fopen(ctx);
39 36
40 return ctx->errno; 37 return ctx->errno;
38 }
39
40
41 th_ioctx * th_io_fopen(const th_ioctx_ops *fops, const char *filename, const char *mode)
42 {
43 th_ioctx *ctx = th_io_new(fops);
44 if (ctx == NULL)
45 return NULL;
46
47 if (th_io_open(ctx, filename, mode) != THERR_OK)
48 {
49 th_io_free(ctx);
50 return NULL;
51 }
52
53 return ctx;
41 } 54 }
42 55
43 56
44 void th_io_close(th_ioctx *ctx) 57 void th_io_close(th_ioctx *ctx)
45 { 58 {
285 298
286 static int th_stdio_fopen(th_ioctx *ctx) 299 static int th_stdio_fopen(th_ioctx *ctx)
287 { 300 {
288 ctx->data = (void *) fopen(ctx->filename, ctx->mode); 301 ctx->data = (void *) fopen(ctx->filename, ctx->mode);
289 ctx->errno = th_get_error(); 302 ctx->errno = th_get_error();
290 return (CTX_FH != NULL) ? THERR_OK : THERR_FOPEN; 303 return (ctx->data != NULL) ? THERR_OK : THERR_FOPEN;
291 } 304 }
292 305
293 306
294 static void th_stdio_fclose(th_ioctx *ctx) 307 static void th_stdio_fclose(th_ioctx *ctx)
295 { 308 {