/[jscoverage]/trunk/util.c
ViewVC logotype

Diff of /trunk/util.c

Parent Directory Parent Directory | Revision Log Revision Log | View Patch Patch

revision 125 by siliconforks, Mon Jun 2 17:52:38 2008 UTC revision 450 by siliconforks, Tue Aug 11 18:39:03 2009 UTC
# Line 1  Line 1 
1  /*  /*
2      util.c - general purpose utility routines      util.c - general purpose utility routines
3      Copyright (C) 2007, 2008 siliconforks.com      Copyright (C) 2007, 2008, 2009 siliconforks.com
4    
5      This program is free software; you can redistribute it and/or modify      This program is free software; you can redistribute it and/or modify
6      it under the terms of the GNU General Public License as published by      it under the terms of the GNU General Public License as published by
# Line 47  Line 47 
47    vfprintf(stderr, format, ap);    vfprintf(stderr, format, ap);
48    va_end(ap);    va_end(ap);
49    fputc('\n', stderr);    fputc('\n', stderr);
50      exit(EXIT_FAILURE);
51    }
52    
53    void fatal_command_line(const char * format, ...) {
54      fprintf(stderr, "%s: ", program);
55      va_list ap;
56      va_start(ap, format);
57      vfprintf(stderr, format, ap);
58      va_end(ap);
59      fputc('\n', stderr);
60    fprintf(stderr, "Try `%s --help' for more information.\n", program);    fprintf(stderr, "Try `%s --help' for more information.\n", program);
61    exit(EXIT_FAILURE);    exit(EXIT_FAILURE);
62  }  }
63    
64    void fatal_source(const char * source_file, unsigned int line_number, const char * format, ...) {
65      fprintf(stderr, "%s:%s:%u: ", program, source_file, line_number);
66      va_list ap;
67      va_start(ap, format);
68      vfprintf(stderr, format, ap);
69      va_end(ap);
70      fputc('\n', stderr);
71      exit(EXIT_FAILURE);
72    }
73    
74    void warn_source(const char * source_file, unsigned int line_number, const char * format, ...) {
75      fprintf(stderr, "%s:%s:%u: ", program, source_file, line_number);
76      va_list ap;
77      va_start(ap, format);
78      vfprintf(stderr, format, ap);
79      va_end(ap);
80      fputc('\n', stderr);
81    }
82    
83    void version(void) {
84      printf("%s %s\n", program, VERSION);
85      printf("Character encoding support: ");
86    #if HAVE_ICONV
87      printf("iconv\n");
88    #elif HAVE_MULTIBYTETOWIDECHAR
89      printf("MultiByteToWideChar\n");
90    #else
91      printf("none\n");
92    #endif
93      printf("Copyright (C) 2009 siliconforks.com\n");
94      printf("License GPLv2+: GNU GPL version 2 or later <http://siliconforks.com/jscoverage/license.html>\n");
95      printf("This is free software: you are free to change and redistribute it.\n");
96      printf("There is NO WARRANTY, to the extent permitted by law.\n");
97      exit(EXIT_SUCCESS);
98    }
99    
100  size_t addst(size_t x, size_t y) {  size_t addst(size_t x, size_t y) {
101    if (SIZE_MAX - x < y) {    if (SIZE_MAX - x < y) {
102      fatal("integer overflow");      fatal("integer overflow");
# Line 224  Line 270 
270    return strcmp(string + string_length - suffix_length, suffix) == 0;    return strcmp(string + string_length - suffix_length, suffix) == 0;
271  }  }
272    
273    static int is_slash(char c) {
274    #ifdef _WIN32
275      return c == '/' || c == '\\';
276    #else
277      return c == '/';
278    #endif
279    }
280    
281  char * make_path(const char * parent, const char * relative_path) {  char * make_path(const char * parent, const char * relative_path) {
282    size_t parent_length = strlen(parent);    size_t parent_length = strlen(parent);
283    size_t relative_path_length = strlen(relative_path);    size_t relative_path_length = strlen(relative_path);
284    size_t result_length = addst(parent_length, relative_path_length);    size_t result_length = addst(parent_length, relative_path_length);
285    result_length = addst(result_length, 2);    int parent_ends_with_slash = parent_length > 0 && is_slash(parent[parent_length - 1]);
286      if (parent_ends_with_slash) {
287        result_length = addst(result_length, 1);
288      }
289      else {
290        result_length = addst(result_length, 2);
291      }
292    char * result = xmalloc(result_length);    char * result = xmalloc(result_length);
293    strcpy(result, parent);    strcpy(result, parent);
294    result[parent_length] = '/';    char * p = result + parent_length;
295    strcpy(result + parent_length + 1, relative_path);    if (! parent_ends_with_slash) {
296        *p = '/';
297        ++p;
298      }
299      strcpy(p, relative_path);
300    return result;    return result;
301  }  }
302    
# Line 352  Line 416 
416    
417    copy_stream(source, destination);    copy_stream(source, destination);
418    
419    #ifndef _WIN32
420      /* copy permissions */
421      struct stat buf;
422      if (fstat(fileno(source), &buf) == -1) {
423        fatal("cannot stat file: %s", source_file);
424      }
425      fchmod(fileno(destination), buf.st_mode);
426    #endif
427    
428    fclose(source);    fclose(source);
429    fclose(destination);    fclose(destination);
430  }  }
# Line 394  Line 467 
467        head = recursive_dir_list(root, entry_wrt_root, head);        head = recursive_dir_list(root, entry_wrt_root, head);
468        free(entry_wrt_root);        free(entry_wrt_root);
469      }      }
470    #ifndef _WIN32
471        else if (S_ISLNK(buf.st_mode)) {
472          /* check what it points to */
473          xstat(entry, &buf);
474          if (S_ISREG(buf.st_mode)) {
475            struct DirListEntry * p = xmalloc(sizeof(struct DirListEntry));
476            p->name = entry_wrt_root;
477            p->next = head;
478            head = p;
479          }
480          else {
481            fatal("refusing to follow symbolic link: %s", entry);
482          }
483        }
484    #endif
485      else {      else {
486        fatal("unknown file type: %s", entry);        fatal("unknown file type: %s", entry);
487      }      }

Legend:
Removed from v.125  
changed lines
  Added in v.450

  ViewVC Help
Powered by ViewVC 1.1.24