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a bit more error message

This commit is contained in:
Heng Li 2013-02-23 16:44:02 -05:00
parent ee4540c394
commit 33236de32e
1 changed files with 6 additions and 3 deletions
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9
bwa.c
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@ -212,17 +212,20 @@ char *bwa_set_rg(const char *s)
{
char *p, *q, *r, *rg_line = 0;
memset(bwa_rg_id, 0, 256);
if (strstr(s, "@RG") != s) return 0;
if (strstr(s, "@RG") != s) {
if (bwa_verbose >= 1) fprintf(stderr, "[E::%s] the read group line is not started with @RG\n", __func__);
goto err_set_rg;
}
rg_line = strdup(s);
bwa_escape(rg_line);
if ((p = strstr(rg_line, "\tID:")) == 0) {
if (bwa_verbose >= 1) fprintf(stderr, "[E::%s] no ID in the @RG line\n", __func__);
if (bwa_verbose >= 1) fprintf(stderr, "[E::%s] no ID at the read group line\n", __func__);
goto err_set_rg;
}
p += 4;
for (q = p; *q && *q != '\t' && *q != '\n'; ++q);
if (q - p + 1 > 256) {
if (bwa_verbose >= 1) fprintf(stderr, "[E::%s] RG:ID is longer than 255 characters\n", __func__);
if (bwa_verbose >= 1) fprintf(stderr, "[E::%s] @RG:ID is longer than 255 characters\n", __func__);
goto err_set_rg;
}
for (q = p, r = bwa_rg_id; *q && *q != '\t' && *q != '\n'; ++q)