diff options
| -rw-r--r-- | e-util/e-xml-utils.c | 67 | ||||
| -rw-r--r-- | e-util/e-xml-utils.h | 2 |
2 files changed, 65 insertions, 4 deletions
diff --git a/e-util/e-xml-utils.c b/e-util/e-xml-utils.c index 4bc1b9e7d7..b33fb74ca5 100644 --- a/e-util/e-xml-utils.c +++ b/e-util/e-xml-utils.c @@ -26,10 +26,6 @@ #include <config.h> #endif -#ifdef HAVE_ALLOCA_H -#include <alloca.h> -#endif - #include "e-xml-utils.h" #include <stdio.h> @@ -441,3 +437,66 @@ e_xml_get_translated_string_prop_by_name (const xmlNode *parent, const xmlChar * } +int +e_xml_save_file (const char *filename, xmlDocPtr doc) +{ + char *filesave, *slash, *xmlbuf; + size_t n, written = 0; + int ret, fd, size; + int errnosave; + ssize_t w; + + filesave = alloca (strlen (filename) + 5); + slash = strrchr (filename, '/'); + if (slash) + sprintf (filesave, "%.*s.#%s", slash - filename + 1, filename, slash + 1); + else + sprintf (filesave, ".#%s", filename); + + fd = open (filesave, O_WRONLY | O_CREAT | O_TRUNC, 0600); + if (fd == -1) + return -1; + + xmlDocDumpMemory (doc, (xmlChar **) &xmlbuf, &size); + if (size <= 0) { + close (fd); + unlink (filesave); + errno = ENOMEM; + return -1; + } + + n = (size_t) size; + do { + do { + w = write (fd, xmlbuf + written, n - written); + } while (w == -1 && errno == EINTR); + + if (w > 0) + written += w; + } while (w != -1 && written < n); + + xmlFree (xmlbuf); + + if (written < n || fsync (fd) == -1) { + errnosave = errno; + close (fd); + unlink (filesave); + errno = errnosave; + return -1; + } + + while ((ret = close (fd)) == -1 && errno == EINTR) + ; + + if (ret == -1) + return -1; + + if (rename (filesave, filename) == -1) { + errnosave = errno; + unlink (filesave); + errno = errnosave; + return -1; + } + + return 0; +} diff --git a/e-util/e-xml-utils.h b/e-util/e-xml-utils.h index ad16b10ea6..6c39ee6f79 100644 --- a/e-util/e-xml-utils.h +++ b/e-util/e-xml-utils.h @@ -94,6 +94,8 @@ void e_xml_set_string_prop_by_name (xmlNode *parent, gchar *e_xml_get_translated_string_prop_by_name (const xmlNode *parent, const xmlChar *prop_name); +int e_xml_save_file (const char *filename, xmlDocPtr doc); + G_END_DECLS #endif /* __E_XML_UTILS__ */ |