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Issue #9, fixed a compiler warning and bug

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The warning was that 'fd' could be used uninitialised in rhizome_store_file(),
and it was true!
This commit is contained in:
Andrew Bettison 2012-10-04 11:42:13 +09:30
parent f527ae9425
commit 37d4b4fa3a
1 changed files with 6 additions and 4 deletions
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10
rhizome_database.c
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@ -856,6 +856,8 @@ int rhizome_store_file(rhizome_manifest *m,const unsigned char *key)
if (!m->fileHashedP)
return WHY("Cannot store bundle file until it has been hashed");
int fd = -1;
/* See if the file is already stored, and if so, don't bother storing it again.
Do this check BEFORE trying to open the associated file, because if the caller
has received a manifest and checked that it exists in the database, it may
@ -881,16 +883,16 @@ int rhizome_store_file(rhizome_manifest *m,const unsigned char *key)
return 0;
}
int fd=open(file,O_RDONLY);
fd = open(file, O_RDONLY);
if (fd == -1) {
WHY_perror("open");
WHYF_perror("open(%s)", alloca_str_toprint(file));
WHY("Could not open associated file");
goto error;
}
struct stat stat;
if (fstat(fd, &stat)) {
WHY_perror("fstat");
WHYF_perror("fstat(%d)", fd);
WHY("Could not stat() associated file");
goto error;
}
@ -908,7 +910,7 @@ int rhizome_store_file(rhizome_manifest *m,const unsigned char *key)
unsigned char *addr = mmap(NULL, m->fileLength, PROT_READ, MAP_SHARED, fd, 0);
if (addr==MAP_FAILED) {
WHY_perror("mmap");
WHYF_perror("mmap(NULL, %lld, PROT_READ, MAP_SHARED, %d, 0)", (long long) m->fileLength, fd);
WHY("mmap() of associated file failed.");
goto error;
}