/* minigzip.c -- simulate gzip using the zlib compression library
- * Copyright (C) 1995-2006, 2010, 2011 Jean-loup Gailly.
+ * Copyright (C) 1995-2006, 2010, 2011, 2016 Jean-loup Gailly
* For conditions of distribution and use, see copyright notice in zlib.h
*/
# define SET_BINARY_MODE(file)
#endif
+#if defined(_MSC_VER) && _MSC_VER < 1900
+# define snprintf _snprintf
+#endif
+
#ifdef VMS
# define unlink delete
# define GZ_SUFFIX "-gz"
void *q;
unsigned n, m;
{
- q = Z_NULL;
+ (void)q;
return calloc(n, m);
}
void myfree(q, p)
void *q, *p;
{
- q = Z_NULL;
+ (void)q;
free(p);
}
gzFile gz;
int ret;
- gz = malloc(sizeof(gzFile));
+ gz = malloc(sizeof(struct gzFile_s));
if (gz == NULL)
return NULL;
gz->write = strchr(mode, 'w') != NULL;
#endif
-char *prog;
+static char *prog;
void error OF((const char *msg));
void gz_compress OF((FILE *in, gzFile out));
exit(1);
}
+#if !defined(NO_snprintf) && !defined(NO_vsnprintf)
+ snprintf(outfile, sizeof(outfile), "%s%s", file, GZ_SUFFIX);
+#else
strcpy(outfile, file);
strcat(outfile, GZ_SUFFIX);
+#endif
in = fopen(file, "rb");
if (in == NULL) {
char *infile, *outfile;
FILE *out;
gzFile in;
- size_t len = strlen(file);
+ unsigned len = strlen(file);
if (len + strlen(GZ_SUFFIX) >= sizeof(buf)) {
fprintf(stderr, "%s: filename too long\n", prog);
exit(1);
}
+#if !defined(NO_snprintf) && !defined(NO_vsnprintf)
+ snprintf(buf, sizeof(buf), "%s", file);
+#else
strcpy(buf, file);
+#endif
if (len > SUFFIX_LEN && strcmp(file+len-SUFFIX_LEN, GZ_SUFFIX) == 0) {
infile = file;
} else {
outfile = file;
infile = buf;
+#if !defined(NO_snprintf) && !defined(NO_vsnprintf)
+ snprintf(buf + len, sizeof(buf) - len, "%s", GZ_SUFFIX);
+#else
strcat(infile, GZ_SUFFIX);
+#endif
}
in = gzopen(infile, "rb");
if (in == NULL) {
gzFile file;
char *bname, outmode[20];
+#if !defined(NO_snprintf) && !defined(NO_vsnprintf)
+ snprintf(outmode, sizeof(outmode), "%s", "wb6 ");
+#else
strcpy(outmode, "wb6 ");
+#endif
prog = argv[0];
bname = strrchr(argv[0], '/');