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don't use str{cpy,cat} in mruby and mrbc

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The length of each string is known. It should be used.
This commit is contained in:
Cremno
2013-08-07 19:58:06 +02:00
parent 1f5c91d68d
commit ba027d7806
2 changed files with 21 additions and 9 deletions
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mrbgems/mruby-bin-mruby/tools/mruby/mruby.c
+13 -5
View File
@@ -91,16 +91,24 @@ parse_args(mrb_state *mrb, int argc, char **argv, struct _args *args)
item = argv[0];
append_cmdline:
if (!args->cmdline) {
size_t buflen;
char *buf;
buf = (char *)mrb_malloc(mrb, strlen(item)+1);
strcpy(buf, item);
buflen = strlen(item) + 1;
buf = (char *)mrb_malloc(mrb, buflen);
memcpy(buf, item, buflen);
args->cmdline = buf;
}
else {
args->cmdline = (char *)mrb_realloc(mrb, args->cmdline, strlen(args->cmdline)+strlen(item)+2);
strcat(args->cmdline, "\n");
strcat(args->cmdline, item);
size_t cmdlinelen;
size_t itemlen;
cmdlinelen = strlen(args->cmdline);
itemlen = strlen(item);
args->cmdline =
(char *)mrb_realloc(mrb, args->cmdline, cmdlinelen + itemlen + 2);
args->cmdline[cmdlinelen] = '\n';
memcpy(args->cmdline + cmdlinelen + 1, item, itemlen + 1);
}
}
else {
tools/mrbc/mrbc.c
+8 -4
View File
@@ -51,15 +51,19 @@ usage(const char *name)
static char *
get_outfilename(mrb_state *mrb, char *infile, char *ext)
{
size_t infilelen;
size_t extlen;
char *outfile;
char *p;
outfile = (char*)mrb_malloc(mrb, strlen(infile) + strlen(ext) + 1);
strcpy(outfile, infile);
infilelen = strlen(infile);
extlen = strlen(ext);
outfile = (char*)mrb_malloc(mrb, infilelen + extlen + 1);
memcpy(outfile, infile, infilelen + 1);
if (*ext) {
if ((p = strrchr(outfile, '.')) == NULL)
p = &outfile[strlen(outfile)];
strcpy(p, ext);
p = outfile + infilelen;
memcpy(p, ext, extlen + 1);
}
return outfile;