diff options
Diffstat (limited to 'libgomp/env.c')
| -rw-r--r-- | libgomp/env.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/libgomp/env.c b/libgomp/env.c index 0a80b87c5f5..af7e0c5c813 100644 --- a/libgomp/env.c +++ b/libgomp/env.c @@ -49,6 +49,7 @@ static void parse_schedule (void) { char *env, *end; + unsigned long value; env = getenv ("OMP_SCHEDULE"); if (env == NULL) @@ -85,11 +86,17 @@ parse_schedule (void) if (*env == '\0') goto invalid; - gomp_run_sched_chunk = strtoul (env, &end, 10); + errno = 0; + value = strtoul (env, &end, 10); + if (errno) + goto invalid; + while (isspace ((unsigned char) *end)) ++end; if (*end != '\0') goto invalid; + + gomp_run_sched_chunk = value; return; unknown: @@ -99,7 +106,6 @@ parse_schedule (void) invalid: gomp_error ("Invalid value for chunk size in " "environment variable OMP_SCHEDULE"); - gomp_run_sched_chunk = 1; return; } @@ -121,7 +127,11 @@ parse_unsigned_long (const char *name, unsigned long *pvalue) if (*env == '\0') goto invalid; + errno = 0; value = strtoul (env, &end, 10); + if (errno || (long) value <= 0) + goto invalid; + while (isspace ((unsigned char) *end)) ++end; if (*end != '\0') |