diff options
author | sinanmohd <sinan@sinanmohd.com> | 2024-08-26 12:23:53 +0530 |
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committer | sinanmohd <sinan@sinanmohd.com> | 2024-08-26 12:23:53 +0530 |
commit | 5971b69dd93b62d8e52f7a9b2b6abb1f124417e8 (patch) | |
tree | efadb7e2c75d836e2e2bafc17341eb137b74e7ba /src | |
parent | f0f6eae05e2916a6f39de829c5913cd331cfa794 (diff) |
jobs/drv_to_pname: init
Diffstat (limited to 'src')
-rw-r--r-- | src/jobs.c | 64 |
1 files changed, 64 insertions, 0 deletions
@@ -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(®ex, pattern, REG_EXTENDED); + if (ret != 0) { + print_err("%s", "Failed to compile regex"); + ret = -EPERM; + goto out_close_drv_file; + } + + ret = regexec(®ex, 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(®ex); +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; |