1 /* 2 * parse_qtype.c 3 */ 4 5 #include "config.h" 6 #include <sys/types.h> 7 #include <sys/stat.h> 8 #include <unistd.h> 9 #include <errno.h> 10 #include <string.h> 11 #include <fcntl.h> 12 13 #include "quotaio.h" 14 15 #define PARSE_DELIM ":," 16 17 int parse_quota_types(const char *in_str, unsigned int *qtype_bits, 18 char **err_token) 19 { 20 char *buf, *token, *next, *tmp; 21 unsigned int qtype = *qtype_bits; 22 int len, ret = 0; 23 24 if (!in_str) 25 return 0; 26 27 len = strlen(in_str); 28 buf = malloc(len + 1); 29 if (!buf) 30 return ENOMEM; 31 strcpy(buf, in_str); 32 33 for (token = buf, next = strtok_r(buf, PARSE_DELIM, &tmp); 34 token && *token; token = next) { 35 int not = 0; 36 char *p = token; 37 38 if (*p == '^') { 39 not = 1; 40 p++; 41 } 42 if (!strcmp(p, "usr") || !strcmp(p, "usrquota")) { 43 if (not) 44 qtype &= ~QUOTA_USR_BIT; 45 else 46 qtype |= QUOTA_USR_BIT; 47 } else if (!strcmp(p, "grp") || !strcmp(p, "grpquota")) { 48 if (not) 49 qtype &= ~QUOTA_GRP_BIT; 50 else 51 qtype |= QUOTA_GRP_BIT; 52 } else if (!strcmp(p, "prj") || !strcmp(p, "prjquota")) { 53 if (not) 54 qtype &= ~QUOTA_PRJ_BIT; 55 else 56 qtype |= QUOTA_PRJ_BIT; 57 } else { 58 if (err_token) { 59 *err_token = malloc(strlen(token) + 1); 60 if (*err_token) 61 strcpy(*err_token, token); 62 } 63 ret = EINVAL; 64 goto errout; 65 } 66 #ifdef DEBUG_PROGRAM 67 printf("word: %s\n", token); 68 #endif 69 next = strtok_r(NULL, PARSE_DELIM, &tmp); 70 } 71 *qtype_bits = qtype; 72 errout: 73 free(buf); 74 return ret; 75 } 76 77 #ifdef DEBUG_PROGRAM 78 int main(int argc, char **argv) 79 { 80 unsigned int qtype_bits = 0; 81 int ret; 82 char *err_token = 0; 83 84 ret = parse_quota_types(argv[1], &qtype_bits, &err_token); 85 printf("parse_quota_types returns %d, %d\n", ret, qtype_bits); 86 if (err_token) 87 printf("err_token is %s\n", err_token); 88 return 0; 89 } 90 #endif 91
