helper.c (2670B)
1 /* 2 * Copyright (c) 2014 Mohamed Aslan <maslan@sce.carleton.ca> 3 * 4 * Permission to use, copy, modify, and distribute this software for any 5 * purpose with or without fee is hereby granted, provided that the above 6 * copyright notice and this permission notice appear in all copies. 7 * 8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15 */ 16 17 #include <stdio.h> 18 #include <stdlib.h> 19 #include <string.h> 20 #include <sys/stat.h> 21 22 #include "helper.h" 23 #include "config.h" 24 25 /* TODO: add support for multiple parents */ 26 struct commit * 27 baseline_helper_commit_build(struct dircache_ctx *dc_ctx, const char *dir_id, const char *parent_head, const char *msg_file) 28 { 29 char *line = NULL; 30 const char *user_name, *user_email; 31 size_t size = 0; 32 struct stat s; 33 struct commit *comm; 34 FILE *mfp; 35 36 comm = baseline_commit_new(); 37 if ((user_name = baseline_config_get_val("username")) == NULL) 38 return NULL; 39 if ((user_email = baseline_config_get_val("useremail")) == NULL) 40 return NULL; 41 if (msg_file == NULL) 42 return NULL; 43 if (stat(msg_file, &s) == -1) 44 return NULL; 45 comm->dir = strdup(dir_id); 46 comm->author.name = strdup(user_name); 47 comm->author.email = strdup(user_email); 48 if ((comm->author.timestamp = time(NULL)) == (time_t)-1) 49 return NULL; 50 comm->committer.name = strdup(user_name); 51 comm->committer.email = strdup(user_email); 52 if ((comm->committer.timestamp = time(NULL)) == (time_t)-1) 53 return NULL; 54 if (parent_head != NULL) { 55 comm->parents[0] = strdup(parent_head); 56 comm->n_parents = 1; 57 } 58 else { 59 comm->n_parents = 0; 60 } 61 /* commit message */ 62 if ((mfp = fopen(msg_file, "r")) == NULL) 63 return NULL; 64 /* FIXME: loading the whole message file in memory */ 65 /* use calloc() so that we can safely call strlcat() afterwards */ 66 if ((comm->message = (char *)calloc(1, s.st_size)) == NULL) 67 return NULL; 68 while (getline(&line, &size, mfp) != -1) 69 strlcat(comm->message, line, s.st_size); 70 fclose(mfp); 71 return comm; 72 } 73