/* * Find all symbols in filename that are exported with EXPORT_SYMBOL & * EXPORT_SYMBOL_GPL (& EXPORT_SYMBOL_GPL_FUTURE implicitly). * All symbols located are stored in symfilelist. */ static void find_export_symbols(char * filename) { FILE * fp; struct symfile *sym; char line[MAXLINESZ]; if (filename_exist(filename) == NULL) { char real_filename[PATH_MAX + 1]; memset(real_filename, 0, sizeof(real_filename)); strncat(real_filename, srctree, PATH_MAX); strncat(real_filename, "/", PATH_MAX - strlen(real_filename)); strncat(real_filename, filename, PATH_MAX - strlen(real_filename)); sym = add_new_file(filename); fp = fopen(real_filename, "r"); if (fp == NULL) { fprintf(stderr, "docproc: "); perror(real_filename); exit(1); } while (fgets(line, MAXLINESZ, fp)) { char *p; char *e; if (((p = strstr(line, "EXPORT_SYMBOL_GPL")) != NULL) || ((p = strstr(line, "EXPORT_SYMBOL")) != NULL)) { /* Skip EXPORT_SYMBOL{_GPL} */ while (isalnum(*p) || *p == '_') p++; /* Remove parentheses & additional whitespace */ while (isspace(*p)) p++; if (*p != '(') continue; /* Syntax error? */ else p++; while (isspace(*p)) p++; e = p; while (isalnum(*e) || *e == '_') e++; *e = '\0'; add_new_symbol(sym, p); } } fclose(fp); } }
/* * Find all symbols exported with EXPORT_SYMBOL and EXPORT_SYMBOL_GPL * in filename. * All symbols located are stored in symfilelist. */ void find_export_symbols(char * filename) { FILE * fp; struct symfile *sym; char line[MAXLINESZ]; if (filename_exist(filename) == NULL) { int rflen = strlen(getenv("SRCTREE")) + strlen(filename); char *real_filename = alloca(rflen + 1); strcpy(real_filename, getenv("SRCTREE")); strcat(real_filename, filename); sym = add_new_file(filename); fp = fopen(real_filename, "r"); if (fp == NULL) { fprintf(stderr, "docproc: "); perror(real_filename); } while (fgets(line, MAXLINESZ, fp)) { char *p; char *e; if (((p = strstr(line, "EXPORT_SYMBOL_GPL")) != 0) || ((p = strstr(line, "EXPORT_SYMBOL")) != 0)) { /* Skip EXPORT_SYMBOL{_GPL} */ while (isalnum(*p) || *p == '_') p++; /* Remove paranteses and additional ws */ while (isspace(*p)) p++; if (*p != '(') continue; /* Syntax error? */ else p++; while (isspace(*p)) p++; e = p; while (isalnum(*e) || *e == '_') e++; *e = '\0'; add_new_symbol(sym, p); } } fclose(fp); } }