Hello Anil J,
Le 2013-04-16 07:17, Anil J a écrit :
Can you please let me know what's wrong with the program I've written.
See my comments below...
char *buffer;
char buf[9];
buf[] should be at least 10 char long, you do a snprint(buf,10...)
char contentLen[100];
if (argc < 2) {
printf("Not enough arumen spsecified. Please specify the URL\n");
return 0;
}
/* Read the image file, and post it to the Servlet for processing. */
fp = fopen(filename, "rb");
if(fp == NULL) {
printf("file not found!\n");
} else {
fseek(fp,0L,SEEK_END);
fileLen = ftell(fp);
printf("the file's length is %1d Bytes\n",fileLen);
fclose(fp);
Why do you close the fp here? You need it later to actually read the
data. If the file is not found, you should abort the operation (do a
return).
}
/* Prepare the buffer to send to the server.*/
buffer = (char *)malloc(fileLen + 1);
if (!buffer) {
fprintf(stderr, "Memory error!");
fclose(fp);
return;
}
//Read file contents into buffer
fread(buffer, fileLen, 1, fp);
fclose(fp);
snprintf(buf, 10,"%d",fileLen);
strcpy(contentLen, "Content-Length: ");
strcpy(contentLen, buf);
Second strcpy: should be strcat. Or better yet, do a
snprintf(contentLen, sizeof(contentLen), "Content-Length: %d", fileLen).
It would replace both buf and strcpy.
Maxime
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