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812666c8e6
Introduce xmalloc and xrealloc to die gracefully with a descriptive message when out of memory, rather than taking a SIGSEGV. Signed-off-by: Christopher Li<chrislgit@chrisli.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
46 lines
1,006 B
C
46 lines
1,006 B
C
/*
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* GIT - The information manager from hell
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*
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* Copyright (C) Linus Torvalds, 2005
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*/
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#include "cache.h"
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void safe_create_dir(char *dir)
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{
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if (mkdir(dir, 0755) < 0) {
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if (errno != EEXIST) {
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perror(dir);
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exit(1);
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}
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}
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}
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/*
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* If you want to, you can share the DB area with any number of branches.
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* That has advantages: you can save space by sharing all the SHA1 objects.
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* On the other hand, it might just make lookup slower and messier. You
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* be the judge. The default case is to have one DB per managed directory.
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*/
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int main(int argc, char **argv)
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{
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char *sha1_dir, *path;
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int len, i;
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safe_create_dir(".git");
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sha1_dir = getenv(DB_ENVIRONMENT);
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if (!sha1_dir) {
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sha1_dir = DEFAULT_DB_ENVIRONMENT;
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fprintf(stderr, "defaulting to local storage area\n");
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}
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len = strlen(sha1_dir);
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path = xmalloc(len + 40);
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memcpy(path, sha1_dir, len);
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safe_create_dir(sha1_dir);
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for (i = 0; i < 256; i++) {
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sprintf(path+len, "/%02x", i);
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safe_create_dir(path);
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}
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return 0;
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}
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