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Code

Use _cleanup_ when reading config files

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This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2013-03-24 21:06:27 -04:00
parent c84a948831
commit 245802dd89
2 changed files with 14 additions and 34 deletions
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4
src/core/main.c
View File

@ -704,7 +704,7 @@ static int parse_config_file(void) {
{ NULL, NULL, NULL, 0, NULL }
};
FILE *f;
FILE _cleanup_fclose_ *f;
const char *fn;
int r;
@ -722,8 +722,6 @@ static int parse_config_file(void) {
if (r < 0)
log_warning("Failed to parse configuration file: %s", strerror(-r));
fclose(f);
return 0;
}

44
src/shared/conf-parser.c
View File

@ -262,23 +262,19 @@ int config_parse(
void *userdata) {
unsigned line = 0;
char *section = NULL;
char _cleanup_free_ *section = NULL, *continuation = NULL;
FILE _cleanup_fclose_ *ours = NULL;
int r;
bool ours = false;
char *continuation = NULL;
assert(filename);
assert(lookup);
if (!f) {
f = fopen(filename, "re");
f = ours = fopen(filename, "re");
if (!f) {
r = -errno;
log_error("Failed to open configuration file '%s': %s", filename, strerror(-r));
goto finish;
log_error("Failed to open configuration file '%s': %m", filename);
return -errno;
}
ours = true;
}
while (!feof(f)) {
@ -289,19 +285,16 @@ int config_parse(
if (feof(f))
break;
r = -errno;
log_error("Failed to read configuration file '%s': %s", filename, strerror(-r));
goto finish;
log_error("Failed to read configuration file '%s': %m", filename);
return -errno;
}
truncate_nl(l);
if (continuation) {
c = strappend(continuation, l);
if (!c) {
r = -ENOMEM;
goto finish;
}
if (!c)
return -ENOMEM;
free(continuation);
continuation = NULL;
@ -323,10 +316,8 @@ int config_parse(
continuation = c;
else {
continuation = strdup(l);
if (!continuation) {
r = -ENOMEM;
goto finish;
}
if (!continuation)
return -ENOMEM;
}
continue;
@ -344,19 +335,10 @@ int config_parse(
free(c);
if (r < 0)
goto finish;
return r;
}
r = 0;
finish:
free(section);
free(continuation);
if (f && ours)
fclose(f);
return r;
return 0;
}
int config_parse_int(