diff options
| author | Lennart Poettering <lennart@poettering.net> | 2013-02-11 05:09:29 +0100 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2013-02-11 05:09:29 +0100 |
| commit | f74e605fc06c1c23e968dc4c26045eb746791706 (patch) | |
| tree | ecb00153e01723b375283c1444c69bebdba890f0 /src/shared/util.h | |
| parent | 9b5d6bd909855543cba75a4469bff6f82845cf0d (diff) | |
util: introduce FOREACH_LINE for iterating through files
Diffstat (limited to 'src/shared/util.h')
| -rw-r--r-- | src/shared/util.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/shared/util.h b/src/shared/util.h index 18494f14f2..d926b01919 100644 --- a/src/shared/util.h +++ b/src/shared/util.h @@ -567,3 +567,12 @@ char *strreplace(const char *text, const char *old_string, const char *new_strin char *strip_tab_ansi(char **p, size_t *l); int on_ac_power(void); + +#define FOREACH_LINE(f, line, on_error) \ + for (char line[LINE_MAX]; !feof(f); ) \ + if (!fgets(line, sizeof(line), f)) { \ + if (ferror(f)) { \ + on_error; \ + } \ + break; \ + } else |