X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fbasic%2Ffileio.c;h=f666380a414e8f5554c9f2511d932aca3c5519bd;hp=db2c46cfb1d8e76dca4f599d44e41aac42f2143f;hb=21ecddbbb2c9e06d080b2526a870898a8b90f52a;hpb=54ce5835917e44761df5c7071fa9111f5be4008a;ds=sidebyside diff --git a/src/basic/fileio.c b/src/basic/fileio.c index db2c46cfb..f666380a4 100644 --- a/src/basic/fileio.c +++ b/src/basic/fileio.c @@ -28,21 +28,15 @@ #include "fileio.h" int write_string_stream(FILE *f, const char *line, bool enforce_newline) { + assert(f); assert(line); - errno = 0; - fputs(line, f); if (enforce_newline && !endswith(line, "\n")) fputc('\n', f); - fflush(f); - - if (ferror(f)) - return errno ? -errno : -EIO; - - return 0; + return fflush_and_check(f); } static int write_string_file_atomic(const char *fn, const char *line, bool enforce_newline) { @@ -795,7 +789,7 @@ int executable_is_script(const char *path, char **interpreter) { */ int get_status_field(const char *filename, const char *pattern, char **field) { _cleanup_free_ char *status = NULL; - char *t; + char *t, *f; size_t len; int r; @@ -829,9 +823,10 @@ int get_status_field(const char *filename, const char *pattern, char **field) { len = strcspn(t, WHITESPACE); - *field = strndup(t, len); - if (!*field) + f = strndup(t, len); + if (!f) return -ENOMEM; + *field = f; return 0; }