[libvirt] [PATCH] Create file in virFileWriteStr() if it doesn't exist

This patch adds a virFileWriteStrEx() function with a third parameter to set the created file permissions. virFileWriteStr() calls this new function with a default value for the mode parameter. --- src/util/util.c | 11 ++++++++--- src/util/util.h | 1 + 2 files changed, 9 insertions(+), 3 deletions(-) diff --git a/src/util/util.c b/src/util/util.c index a2582aa..82ca9b3 100644 --- a/src/util/util.c +++ b/src/util/util.c @@ -1123,14 +1123,19 @@ int virFileReadAll(const char *path, int maxlen, char **buf) return len; } -/* Truncate @path and write @str to it. +int virFileWriteStr(const char *path, const char *str) +{ + return virFileWriteStrEx(path, str, S_IRUSR|S_IWUSR); +} + +/* Truncate or create @path and write @str to it. Return 0 for success, nonzero for failure. Be careful to preserve any errno value upon failure. */ -int virFileWriteStr(const char *path, const char *str) +int virFileWriteStrEx(const char *path, const char *str, mode_t mode) { int fd; - if ((fd = open(path, O_WRONLY|O_TRUNC)) == -1) + if ((fd = open(path, O_WRONLY|O_TRUNC|O_CREAT, mode)) == -1) return -1; if (safewrite(fd, str, strlen(str)) < 0) { diff --git a/src/util/util.h b/src/util/util.h index a240d87..18ef693 100644 --- a/src/util/util.h +++ b/src/util/util.h @@ -96,6 +96,7 @@ int virFileReadLimFD(int fd, int maxlen, char **buf) ATTRIBUTE_RETURN_CHECK; int virFileReadAll(const char *path, int maxlen, char **buf) ATTRIBUTE_RETURN_CHECK; +int virFileWriteStrEx(const char *path, const char *str, mode_t mode) ATTRIBUTE_RETURN_CHECK; int virFileWriteStr(const char *path, const char *str) ATTRIBUTE_RETURN_CHECK; int virFileMatchesNameSuffix(const char *file, -- 1.7.0.4