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authorsinanmohd <sinan@sinanmohd.com>2024-08-26 12:23:53 +0530
committersinanmohd <sinan@sinanmohd.com>2024-08-26 12:23:53 +0530
commit5971b69dd93b62d8e52f7a9b2b6abb1f124417e8 (patch)
treeefadb7e2c75d836e2e2bafc17341eb137b74e7ba /src
parentf0f6eae05e2916a6f39de829c5913cd331cfa794 (diff)
jobs/drv_to_pname: init
Diffstat (limited to 'src')
-rw-r--r--src/jobs.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/src/jobs.c b/src/jobs.c
index 6e05b8f..5c5be38 100644
--- a/src/jobs.c
+++ b/src/jobs.c
@@ -3,6 +3,7 @@
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
+#include <regex.h>
#include <cjson/cJSON.h>
#include <sqlite3.h>
@@ -29,6 +30,7 @@ static int job_read_outputs(struct job *job, cJSON *outputs);
static int job_deps_list_insert(struct job *job, struct job *dep);
static int job_output_list_insert(struct job *job, struct output *output);
static char *drv_path_to_pname(char *drv_path);
+static int drv_to_pname(char *drv_path, char **pname);
static void output_free(struct output *output)
{
@@ -41,6 +43,68 @@ static void output_free(struct output *output)
free(output);
}
+static int drv_to_pname(char *drv_path, char **pname)
+{
+ regmatch_t pmatch[2];
+ FILE *drv_file;
+ size_t drv_len;
+ regex_t regex;
+ char *ret_pname;
+ int ret;
+
+ char *drv_string = NULL;
+ char *pattern = "\\(\"pname\",\"([^\"]*)";
+
+ drv_file = fopen(drv_path, "r");
+ if (drv_file == NULL) {
+ print_err("%s", strerror(errno));
+ return -errno;
+ }
+
+ ret = getline(&drv_string, &drv_len, drv_file);
+ if (ret < 0) {
+ print_err("%s", strerror(errno));
+ ret = -errno;
+ goto out_close_drv_file;
+ }
+
+ ret = regcomp(&regex, pattern, REG_EXTENDED);
+ if (ret != 0) {
+ print_err("%s", "Failed to compile regex");
+ ret = -EPERM;
+ goto out_close_drv_file;
+ }
+
+ ret = regexec(&regex, drv_string, 2, pmatch, 0);
+ if (ret != 0) {
+ print_err("%s", "Failed to exec regex");
+ ret = -EPERM;
+ goto out_free_regex;
+ } else if (pmatch[1].rm_so == -1) {
+ print_err("%s", "Failed to match subexpression");
+ ret = -EPERM;
+ goto out_free_regex;
+ }
+
+ ret_pname = strndup(drv_string + pmatch[1].rm_so,
+ pmatch[1].rm_eo - pmatch[1].rm_so);
+ if (ret_pname == NULL) {
+ print_err("%s", strerror(errno));
+ ret = -errno;
+ goto out_close_drv_file;
+ }
+ *pname = ret_pname;
+
+out_free_regex:
+ regfree(&regex);
+out_close_drv_file:
+ if (fclose(drv_file) != 0)
+ print_err("%s", strerror(errno));
+ free(drv_string);
+
+ return ret;
+}
+
static char *drv_path_to_pname(char *drv_path)
{
char *pname, *p;